Internet DRAFT - draft-toutain-schc-sid-allocation
draft-toutain-schc-sid-allocation
schc Working Group A. Minaburo
Internet-Draft Acklio
Intended status: Standards Track L. Toutain
Expires: 1 October 2023 Institut MINES TELECOM; IMT Atlantique
30 March 2023
SCHC Sid Allocation
draft-toutain-schc-sid-allocation-00
Abstract
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Status of This Memo
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This Internet-Draft will expire on 1 October 2023.
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document authors. All rights reserved.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. SCHC YANG Data Model . . . . . . . . . . . . . . . . . . . . 2
2.1. Example . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Recommendation for SID values . . . . . . . . . . . . . . . . 4
4. SID value impact . . . . . . . . . . . . . . . . . . . . . . 4
4.1. Administrative process . . . . . . . . . . . . . . . . . 7
5. Normative References . . . . . . . . . . . . . . . . . . . . 7
Appendix A. Set of Rules . . . . . . . . . . . . . . . . . . . . 8
Appendix B. SID Allocation . . . . . . . . . . . . . . . . . . . 19
Appendix C. Security Considerations . . . . . . . . . . . . . . 27
Appendix D. IANA Considerations . . . . . . . . . . . . . . . . 27
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 27
1. Introduction
RFC9363 defines a YANG Data Model for SCHC rules.
[I-D.ietf-core-sid] specifies the process for SID allocation and
management. This document discuss of the SID allocation for RFC9363.
2. SCHC YANG Data Model
The version @2023-01-18 of the SCHC YANG Data Model published in the
RFC 9363 contains 136 SIDs (92 for identities, 2 for features and 42
for data). [I-D.ietf-core-sid] indicates that the SID range for the
YANG Data Model specified in RFC is between 1000 and 59 000 and that
the maximum request pool SHOULD NOT exceed 1000. The draft also
gives some pre allocated values.
Since SIDs will be used either to represent unique identity contained
in the data model and also leaves (data) forming this data model, it
could be wise to distinguish between identifiers and data.
Data structures are delta encoded and included as a CBOR element, the
size depends on the value. Deltas between -24 and +23 are encoded on
a single byte. Deltas between -256 and +255 use 2 bytes and larger
values corresponding to the RFC SID range will be encoded into 3
bytes. To optimize the CORECONF representation delta should be
smaller as possible for the more frequent leaves.
On the other hand identities are included in the CORECONF
representation and for the RFC SID range the size is constant and
equal to 3 bytes.
2.1. Example
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CORECONF
{5095: {1: [{4:
[{1: 5015,
5: 5018,
6: 5068,
7: 4,
8: 1,
9: 5083,
13: [{1: 0, 2: h'06'}]},
{1: 5015,
5: 5018,
6: 2000003,
7: 8,
8: 1,
9: 5083,
13: [{1: 0, 2: h'00'}]}]
}]}
}
RESTCONF
{"ietf-schc:schc": {"rule": [{"entry":
[{"comp-decomp-action": "ietf-schc:cda-not-sent",
"direction-indicator": "ietf-schc:di-bidirectional",
"field-id": "ietf-schc:fid-ipv6-version",
"field-length": 4,
"field-position": 1,
"matching-operator": "ietf-schc:mo-equal",
"target-value": [{"index": 0, "value": "Bg=="}]},
{"comp-decomp-action": "ietf-schc:cda-not-sent",
"direction-indicator": "ietf-schc:di-bidirectional",
"field-id": "ietf-schc-oam:fid-icmpv6-type",
"field-length": 8,
"field-position": 1,
"matching-operator": "ietf-schc:mo-equal",
"target-value": [{"index": 0, "value": "gA=="}]} ]
}]}
}
Figure 1
The example in Figure 1 gives a CORECONF structure transposed the
CBOR diagnostic notation and its equivalent in RESTCONF with JSON.
For readability and compactness, this example is edited and do not
encode a full rule as defined in RFC9363.
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The default SID numbering produced by pyang is used, starting from
5000 for SCHC Data Model defined in RFC9363 and 2000000 for an
experimental module for OAM.
We can see the delta encoding. The first SID 5095 represents "ietf-
schc:schc". "/ietf-schc:schc/rule" which is coded with a +1 since SID
5096 has been assigned. "/ietf-schc:schc/rule/entry" is coded with a
delta of 4. Then a list of Field Description follows. +1 represents
the leaf "ietf-schc:schc/rule/entry/comp-decomp-action" and the value
assigned to that key contains the SID of "ietf-schc:cda-not-sent"
identity.
Note that the second element contains a "field-id" belonging to the
"ietf-schc-oam" module and the associate SID is 2000003.
3. Recommendation for SID values
The SCHC YANG Data Model defined in RFC 9363 will probably be
augmented, to include for instance access control data. To keep a
compact representation, delta values must be kept as small as
possible. The LPWAN working group should not use the automatic SID
numbering and provide a more optimal allocation scheme for
augmentation of the SCHC YANG Data Model.
A first recommendation is to avoid merging data and identity in order
to limit the delta encoding. The distance between these two sections
can be 255 SID to allow deltas on 2 bytes.
The second recommendation is to leave some unused SID around SCHC
rules to allow augmentation.
4. SID value impact
To study the impact of SIDs size and delta size, we will take three
scenarii, which cover the original Data Model defined in [RFC9363]
and some augmentations, rules regarding these scenarii are listed in
the annex:
* sor-9363 contains only parameters defined in [RFC9363] with IPv6,
UDP and CoAP fields. This is a set of 7 rules: 2 for compression
and 5 for fragmentation.
* sor-oam adds to the previous set of rules, a compression rule for
ICMP messages. This add new identities for ICMPv6 fields, but the
rule structure is not modified.
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* sor-oam+ac augments to the previous set of rule with access
control nodes. This requires an augmentation with Access Control
DM and includes new nodes in the rule Data Model.
For this three group of Set of Rule, we applied four different
allocation methods for the SIDs:
* SIDs are located in the million range for the 3 YANG modules (1000
000 for basic model based on RFC9363, 2 000 000 for OAM and 3 000
000 for Access Control),
* SIDs are located in the IETF range (5000:500, 5500:50, 6000:50)
and in the alphabetical order,
* SIDs are manually allocated regarding their frequency occurrences
in the rule,
* tens of the main used SID for RFC9363 are allocated in the IESG
range (CDA: compute, LSB, Match Mapping, not sent, value-send, MO:
equal, ignore, match, MSB, and bidirectional).
The following table shows the results:
+------------+------------+------------+------------+------------+--------+
| | million | IETF | IETF | IESG | JSON |
| | | separate | grouped | (dream) | |
+------------+------------+------------+------------+------------+--------+
| sor-9363 | 2194 | 1740 (-454)| 1721 (-19) | 1586 (-135)| 15388 |
+------------+------------+------------+------------+------------+--------+
| sor-oam | 2841 | 2265 (-576)| 2243 (-22) | 2064 (-179)| 19871 |
+------------+------------+------------+------------+------------+--------+
| sor-oam+ac | 2925 | 2321 (-604)| 2271 (-50) | 2092 (-179)| 20686 |’
+------------+------------+------------+------------+------------+--------+
Figure 2: Size in Bytes SID allocations strategies
The most important result, is the factor 10 between CBOR and JSON
(without indentation) size which proves the efficiency of encoding. 2
kilo-byte of information to represent 8 rules (3 compression and 5
fragmentation rules).
The IETF-grouped has a impact on the rule size, even when no
augmentation is perform. This is the case for rfc9363 compatible
rules and OAM addition. Figure Figure 3 shows the alphabetical order
allocation with pyang.
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5095 data /ietf-schc:schc
5096 data /ietf-schc:schc/rule
5097 data /ietf-schc:schc/rule/ack-behavior
5098 data /ietf-schc:schc/rule/direction
5099 data /ietf-schc:schc/rule/dtag-size
5100 data /ietf-schc:schc/rule/entry
5101 data /ietf-schc:schc/rule/entry/comp-decomp-action
5102 data /ietf-schc:schc/rule/entry/comp-decomp-action-value
5103 data /ietf-schc:schc/rule/entry/comp-decomp-action-value/index
5104 data /ietf-schc:schc/rule/entry/comp-decomp-action-value/value
5105 data /ietf-schc:schc/rule/entry/direction-indicator
5106 data /ietf-schc:schc/rule/entry/field-id
5107 data /ietf-schc:schc/rule/entry/field-length
5108 data /ietf-schc:schc/rule/entry/field-position
5109 data /ietf-schc:schc/rule/entry/matching-operator
5110 data /ietf-schc:schc/rule/entry/matching-operator-value
5111 data /ietf-schc:schc/rule/entry/matching-operator-value/index
5112 data /ietf-schc:schc/rule/entry/matching-operator-value/value
5113 data /ietf-schc:schc/rule/entry/target-value
5114 data /ietf-schc:schc/rule/entry/target-value/index
5115 data /ietf-schc:schc/rule/entry/target-value/value
5116 data /ietf-schc:schc/rule/fcn-size
5117 data /ietf-schc:schc/rule/fragmentation-mode
5118 data /ietf-schc:schc/rule/inactivity-timer
------ 23 delta limit
5119 data /ietf-schc:schc/rule/inactivity-timer/ticks-duration
5120 data /ietf-schc:schc/rule/inactivity-timer/ticks-numbers
5121 data /ietf-schc:schc/rule/l2-word-size
5122 data /ietf-schc:schc/rule/max-ack-requests
5123 data /ietf-schc:schc/rule/max-interleaved-frames
5124 data /ietf-schc:schc/rule/maximum-packet-size
5125 data /ietf-schc:schc/rule/rcs-algorithm
5126 data /ietf-schc:schc/rule/retransmission-timer
5127 data /ietf-schc:schc/rule/retransmission-timer/ticks-duration
5128 data /ietf-schc:schc/rule/retransmission-timer/ticks-numbers
5129 data /ietf-schc:schc/rule/rule-id-length
5130 data /ietf-schc:schc/rule/rule-id-value
5131 data /ietf-schc:schc/rule/rule-nature
5132 data /ietf-schc:schc/rule/tile-in-all-1
5133 data /ietf-schc:schc/rule/tile-size
5134 data /ietf-schc:schc/rule/w-size
5135 data /ietf-schc:schc/rule/window-size
Figure 3: Alphabetical order of SIDs
"Rule-id-value", "rule-id-length", "rule-nature" present in all rules
have a delta higher than 23. On the other hand, other elements such
are matching-operator-value or comp-decomp-action-value which are not
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present in all rules have a smaller delta. Figure {#Allocation}
gives the manual SID allocation used in this document. This lead to
a reduction of about 20 bytes (a mean of 5 bytes for the 8 rules in
the example) when no augmentation is perform. In case of
augmentation with the last example including access control, this
leads to 50 bytes.
Manual allocation allows also to use some other space, the last
scenario takes 10 values (1%) from the IESG space for the most
frequent identity.
4.1. Administrative process
The allocation process proposed in [I-D.ietf-core-sid] is slightly
enhanced:
* the SCHC WG requests IANA for a larger pool of SIDs than
originally needed for a single Data Model (for instance 500 SIDs)
* the SCHC WG MAY request IESG review for a small amount of SIDs
* the WG manages the space as presented in Appendix B.
* If a module is validated by the WG and request a WG allocation,
the SID are allocated in the space and a sid file is issue for
this module.
The result is a better allocation of the space, [I-D.ietf-core-sid]
proposes a minimum of 50 SIDs per module, but looking at the existing
models, the effective number is smaller. Using a common pool, allows
a better utilization.
5. Normative References
[I-D.ietf-core-sid]
Veillette, M., Pelov, A., Petrov, I., Bormann, C., and M.
Richardson, "YANG Schema Item iDentifier (YANG SID)", Work
in Progress, Internet-Draft, draft-ietf-core-sid-20, 1
March 2023, <https://datatracker.ietf.org/doc/html/draft-
ietf-core-sid-20>.
[I-D.ietf-lpwan-schc-compound-ack]
Zúñiga, J. C., Gomez, C., Aguilar, S., Toutain, L.,
Cespedes, S., and D. S. W. L. Torre, "SCHC Compound ACK",
Work in Progress, Internet-Draft, draft-ietf-lpwan-schc-
compound-ack-16, 28 March 2023,
<https://datatracker.ietf.org/doc/html/draft-ietf-lpwan-
schc-compound-ack-16>.
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[I-D.ietf-lpwan-schc-yang-data-model]
Minaburo, A. and L. Toutain, "A YANG Data Model for Static
Context Header Compression (SCHC)", Work in Progress,
Internet-Draft, draft-ietf-lpwan-schc-yang-data-model-21,
9 October 2022, <https://datatracker.ietf.org/doc/html/
draft-ietf-lpwan-schc-yang-data-model-21>.
[I-D.toutain-lpwan-access-control]
Minaburo, A., Toutain, L., and I. Martinez, "SCHC Rule
Access Control", Work in Progress, Internet-Draft, draft-
toutain-lpwan-access-control-01, 20 February 2023,
<https://datatracker.ietf.org/doc/html/draft-toutain-
lpwan-access-control-01>.
[RFC8341] Bierman, A. and M. Bjorklund, "Network Configuration
Access Control Model", STD 91, RFC 8341,
DOI 10.17487/RFC8341, March 2018,
<https://www.rfc-editor.org/rfc/rfc8341>.
[RFC8824] Minaburo, A., Toutain, L., and R. Andreasen, "Static
Context Header Compression (SCHC) for the Constrained
Application Protocol (CoAP)", RFC 8824,
DOI 10.17487/RFC8824, June 2021,
<https://www.rfc-editor.org/rfc/rfc8824>.
[RFC9363] Minaburo, A. and L. Toutain, "A YANG Data Model for Static
Context Header Compression (SCHC)", RFC 9363,
DOI 10.17487/RFC9363, March 2023,
<https://www.rfc-editor.org/rfc/rfc9363>.
Appendix A. Set of Rules
[
{
"RuleID": 5,
"RuleIDLength": 3,
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "ignore", "CDA": "value-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": ["2001:db8::/64",
"fe80::/64",
"2001:0420:c0dc:1002::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::1","MO": "equal","CDA": "DEVIID"},
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{"FID": "IPV6.APP_PREFIX","TV": [ "2001:db8:1::/64",
"fe80::/64",
"2404:6800:4004:818::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.APP_IID", "TV": 2,"MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA": "LSB"},
{"FID": "UDP.APP_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA" : "LSB"},
{"FID": "UDP.LEN", "TV": 0, "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "TV": 0, "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TKL", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.CODE", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.MID", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TOKEN", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 1, "DI": "UP", "TV": "foo","MO": "equal","CDA": "not-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 2, "DI": "UP", "TV": ["bar", "toto"] ,"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 3, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 4, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Query", "FL": "var", "FP": 1, "DI": "UP", "TV":"k=", "MO": "MSB", "MO.VAL": 16, "CDA": "LSB"},
{"FID": "COAP.Content-Format", "DI": "DW", "TV": 30, "MO": "equal", "CDA": "not-sent"}
]
},{
"RuleID": 1,
"RuleIDLength": 3,
"Fragmentation" : {
"FRMode": "AckOnError",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 17,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 2,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckOnError",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
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"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 16,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 3,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8
}
}
},{
"RuleID": 4,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3
}
}
},{
"RuleID": 7,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckAlways",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"WSize" : 1,
"maxRetry" : 4
}
}
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},{
"RuleID": 100,
"RuleIDLength": 8,
"Description": "for CORECONF Traffic, FETCH/iPATCH query from core to device: Query and Answer",
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore", "CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::2","MO": "equal","CDA": "not-sent"},
{"FID": "IPV6.APP_PREFIX", "TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.APP_IID", "TV": "::1","MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5683,"MO": "equal", "CDA": "not-sent"},
{"FID": "UDP.APP_PORT", "TV": 105683,"MO": "equal", "CDA": "not-sent"},
{"FID": "UDP.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "DI": "DW", "TV": 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "DI": "UP", "TV": 69, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TKL", "TV" : 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.CODE", "DI": "UP", "TV": [5, 7], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.CODE", "DI": "DW", "TV": [68, 69], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.MID", "TV": 0, "MO": "MSB", "MO.VAL": 9, "CDA": "LSB"},
{"FID": "COAP.Uri-Path", "FL": 8, "FP": 1, "DI": "DW", "TV": "c","MO": "equal","CDA": "not-sent"},
{"FID": "COAP.Content-Format", "DI": "BI", "TV": 140, "MO": "equal", "CDA": "not-sent"}
]
}
]
Figure 4: SoR only referenced by RFC9363
[
{
"RuleID": 5,
"RuleIDLength": 3,
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "ignore", "CDA": "value-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": ["2001:db8::/64",
"fe80::/64",
"2001:0420:c0dc:1002::/64" ],
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"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::1","MO": "equal","CDA": "DEVIID"},
{"FID": "IPV6.APP_PREFIX","TV": [ "2001:db8:1::/64",
"fe80::/64",
"2404:6800:4004:818::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.APP_IID", "TV": 2,"MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA": "LSB"},
{"FID": "UDP.APP_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA" : "LSB"},
{"FID": "UDP.LEN", "TV": 0, "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "TV": 0, "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TKL", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.CODE", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.MID", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TOKEN", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 1, "DI": "UP", "TV": "foo","MO": "equal","CDA": "not-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 2, "DI": "UP", "TV": ["bar", "toto"] ,"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 3, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 4, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Query", "FL": "var", "FP": 1, "DI": "UP", "TV":"k=", "MO": "MSB", "MO.VAL": 16, "CDA": "LSB"},
{"FID": "COAP.Content-Format", "DI": "DW", "TV": 30, "MO": "equal", "CDA": "not-sent"}
]
},{
"RuleID": 6,
"RuleIDLength": 3,
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 0, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 0, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 58, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": ["2001:db8::/64",
"fe80::/64",
"2001:0420:c0dc:1002::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::79","MO": "equal","CDA": "DEVIID"},
{"FID": "IPV6.APP_PREFIX","TV": [ "2001:db8:1::/64",
"fe80::/64",
"2404:6800:4004:818::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.APP_IID", "TV": 2004,"MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.TYPE", "TV": 128,"MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.CODE", "TV": 0, "MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.CKSUM", "TV": 0, "MO": "ignore","CDA": "compute-checksum"},
{"FID": "ICMPV6.IDENT", "TV": 0,"MO": "ignore","CDA": "value-sent"},
Minaburo & Toutain Expires 1 October 2023 [Page 12]
Internet-Draft SCHC Sid Allocation March 2023
{"FID": "ICMPV6.SEQNO", "TV": 0,"MO": "ignore","CDA": "value-sent"}
]
},{
"RuleID": 1,
"RuleIDLength": 3,
"Fragmentation" : {
"FRMode": "AckOnError",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 17,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 2,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckOnError",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 16,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 3,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"MICAlgorithm": "RCS_RFC8724",
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Internet-Draft SCHC Sid Allocation March 2023
"MICWordSize": 8,
"L2WordSize": 8
}
}
},{
"RuleID": 4,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3
}
}
},{
"RuleID": 7,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckAlways",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"WSize" : 1,
"maxRetry" : 4
}
}
},{
"RuleID": 100,
"RuleIDLength": 8,
"Description": "for CORECONF Traffic, FETCH/iPATCH query from core to device: Query and Answer",
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore", "CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::2","MO": "equal","CDA": "not-sent"},
{"FID": "IPV6.APP_PREFIX", "TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.APP_IID", "TV": "::1","MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5683,"MO": "equal", "CDA": "not-sent"},
{"FID": "UDP.APP_PORT", "TV": 105683,"MO": "equal", "CDA": "not-sent"},
{"FID": "UDP.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
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Internet-Draft SCHC Sid Allocation March 2023
{"FID": "COAP.TYPE", "DI": "DW", "TV": 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "DI": "UP", "TV": 69, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TKL", "TV" : 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.CODE", "DI": "UP", "TV": [5, 7], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.CODE", "DI": "DW", "TV": [68, 69], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.MID", "TV": 0, "MO": "MSB", "MO.VAL": 9, "CDA": "LSB"},
{"FID": "COAP.Uri-Path", "FL": 8, "FP": 1, "DI": "DW", "TV": "c","MO": "equal","CDA": "not-sent"},
{"FID": "COAP.Content-Format", "DI": "BI", "TV": 140, "MO": "equal", "CDA": "not-sent"}
]
}
]
Figure 5: SoR including OAM compression
[
{"access-right" : "modify-existing-element"},
{
"RuleID": 5,
"RuleIDLength": 3,
"access-right" : "modify-existing-element",
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent",
"access-right" : "change-tv"},
{"FID": "IPV6.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "ignore", "CDA": "value-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": ["2001:db8::/64",
"fe80::/64",
"2001:0420:c0dc:1002::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::1","MO": "equal","CDA": "DEVIID"},
{"FID": "IPV6.APP_PREFIX","TV": [ "2001:db8:1::/64",
"fe80::/64",
"2404:6800:4004:818::/64" ],
"MO": "match-mapping","CDA": "mapping-sent",
"access-right" : "change-tv"},
{"FID": "IPV6.APP_IID", "TV": 2,"MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA": "LSB",
"access-right" : "change-tv"},
{"FID": "UDP.APP_PORT", "TV": 5680,"MO": "MSB", "MO.VAL": 12, "CDA" : "LSB"},
{"FID": "UDP.LEN", "TV": 0, "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "TV": 0, "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TKL", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.CODE", "MO": "ignore","CDA": "value-sent"},
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Internet-Draft SCHC Sid Allocation March 2023
{"FID": "COAP.MID", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.TOKEN", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 1, "DI": "UP", "TV": "foo","MO": "equal","CDA": "not-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 2, "DI": "UP", "TV": ["bar", "toto"] ,"MO": "match-mapping","CDA": "mapping-sent",
"access-right" : "change-tv"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 3, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Path", "FL": "var", "FP": 4, "DI": "UP", "MO": "ignore","CDA": "value-sent"},
{"FID": "COAP.Uri-Query", "FL": "var", "FP": 1, "DI": "UP", "TV":"k=", "MO": "MSB", "MO.VAL": 16, "CDA": "LSB"},
{"FID": "COAP.Content-Format", "DI": "DW", "TV": 30, "MO": "equal", "CDA": "not-sent"}
]
},{
"RuleID": 6,
"RuleIDLength": 3,
"access-right" : "modify-existing-element",
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 0, "MO": "equal", "CDA": "not-sent",
"access-right" : "change-tv"},
{"FID": "IPV6.FL", "TV": 0, "MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 58, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": ["2001:db8::/64",
"fe80::/64",
"2001:0420:c0dc:1002::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::79","MO": "equal","CDA": "DEVIID"},
{"FID": "IPV6.APP_PREFIX","TV": [ "2001:db8:1::/64",
"fe80::/64",
"2404:6800:4004:818::/64" ],
"MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "IPV6.APP_IID", "TV": 2004,"MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.TYPE", "TV": 128,"MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.CODE", "TV": 0, "MO": "equal","CDA": "not-sent"},
{"FID": "ICMPV6.CKSUM", "TV": 0, "MO": "ignore","CDA": "compute-checksum"},
{"FID": "ICMPV6.IDENT", "TV": 0,"MO": "ignore","CDA": "value-sent",
"access-right" : "change-tv"},
{"FID": "ICMPV6.SEQNO", "TV": 0,"MO": "ignore","CDA": "value-sent"}
]
},{
"RuleID": 1,
"RuleIDLength": 3,
"access-right" : "change-tv",
"Fragmentation" : {
"FRMode": "AckOnError",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
Minaburo & Toutain Expires 1 October 2023 [Page 16]
Internet-Draft SCHC Sid Allocation March 2023
"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 17,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 2,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckOnError",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"WSize": 7,
"FCNSize": 3,
"ackBehavior": "afterAll1",
"tileSize": 16,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8,
"lastTileInAll1": false
}
}
},{
"RuleID": 3,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "DW",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"MICAlgorithm": "RCS_RFC8724",
"MICWordSize": 8,
"L2WordSize": 8
}
}
},{
"RuleID": 4,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "NoAck",
"FRDirection" : "UP",
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Internet-Draft SCHC Sid Allocation March 2023
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3
}
}
},{
"RuleID": 7,
"RuleIDLength": 3,
"Fragmentation": {
"FRMode": "AckAlways",
"FRDirection" : "UP",
"FRModeProfile": {
"dtagSize": 2,
"FCNSize": 3,
"WSize" : 1,
"maxRetry" : 4
}
}
},{
"RuleID": 100,
"RuleIDLength": 8,
"Description": "for CORECONF Traffic, FETCH/iPATCH query from core to device: Query and Answer",
"access-right" : "change-tv",
"Compression": [
{"FID": "IPV6.VER", "TV": 6, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.TC", "TV": 1, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.FL", "TV": 144470, "MO": "ignore","CDA": "not-sent",
"access-right" : "change-tv"},
{"FID": "IPV6.LEN", "MO": "ignore", "CDA": "compute-length"},
{"FID": "IPV6.NXT", "TV": 17, "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.HOP_LMT", "TV" : 255,"MO": "ignore","CDA": "not-sent"},
{"FID": "IPV6.DEV_PREFIX","TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.DEV_IID", "TV": "::2","MO": "equal","CDA": "not-sent"},
{"FID": "IPV6.APP_PREFIX", "TV": "fe80::/64", "MO": "equal", "CDA": "not-sent"},
{"FID": "IPV6.APP_IID", "TV": "::1","MO": "equal","CDA": "not-sent"},
{"FID": "UDP.DEV_PORT", "TV": 5683,"MO": "equal", "CDA": "not-sent",
"access-right" : "change-tv"},
{"FID": "UDP.APP_PORT", "TV": 105683,"MO": "equal", "CDA": "not-sent"},
{"FID": "UDP.LEN", "MO": "ignore","CDA": "compute-length"},
{"FID": "UDP.CKSUM", "MO": "ignore","CDA": "compute-checksum"},
{"FID": "COAP.VER", "TV": 1, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "DI": "DW", "TV": 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TYPE", "DI": "UP", "TV": 69, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.TKL", "TV" : 0, "MO": "equal","CDA": "not-sent"},
{"FID": "COAP.CODE", "DI": "UP", "TV": [5, 7], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.CODE", "DI": "DW", "TV": [68, 69], "MO": "match-mapping","CDA": "mapping-sent"},
{"FID": "COAP.MID", "TV": 0, "MO": "MSB", "MO.VAL": 9, "CDA": "LSB"},
{"FID": "COAP.Uri-Path", "FL": 8, "FP": 1, "DI": "DW", "TV": "c","MO": "equal","CDA": "not-sent",
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Internet-Draft SCHC Sid Allocation March 2023
"access-right" : "change-tv"},
{"FID": "COAP.Content-Format", "DI": "BI", "TV": 140, "MO": "equal", "CDA": "not-sent"}
]
}
]
Figure 6: SoR including Access Control
Appendix B. SID Allocation
5000,
5001,
5002,
5003,
5004,
5005,
5006,
5007,
5008,
5009,
5010,
5011,
5012,
5013,
5014,
5015,
5016,
5017,
5018,
5019,
5020,
5021,
5022,module,ietf-schc-access-control
5023,module,ietf-schc
5024,data,/ietf-schc:schc
5025,
5026,
5027,
5028,
5029,
5030,
5031,
5032,
5033,
5034,
5035,
5036,
5037,
Minaburo & Toutain Expires 1 October 2023 [Page 19]
Internet-Draft SCHC Sid Allocation March 2023
5038,
5039,
5040,
5041,
5042,data,/ietf-schc:schc/ietf-schc-access-control:ac-modify-set-of-rules
5043,data,/ietf-schc:schc/rule/fcn-size
5044,data,/ietf-schc:schc/rule/w-size
5045,data,/ietf-schc:schc/rule/direction
5046,data,/ietf-schc:schc/rule/fragmentation-mode
5047,data,/ietf-schc:schc/rule
5048,data,/ietf-schc:schc/rule/rule-id-length
5049,data,/ietf-schc:schc/rule/rule-id-value
5050,data,/ietf-schc:schc/rule/rule-nature
5051,data,/ietf-schc:schc/rule/ietf-schc-access-control:ac-modify-rule
5052,
5053,
5054,
5055,
5056,
5057,
5058,
5059,
5060,
5061,
5062,
5063,
5064,
5065,
5066,
5067,
5068,
5069,data,/ietf-schc:schc/rule/entry/ietf-schc-access-control:ac-modify-field
5070,data,/ietf-schc:schc/rule/entry
5071,data,/ietf-schc:schc/rule/entry/comp-decomp-action
5072,data,/ietf-schc:schc/rule/entry/comp-decomp-action-value
5073,data,/ietf-schc:schc/rule/entry/comp-decomp-action-value/index
5074,data,/ietf-schc:schc/rule/entry/comp-decomp-action-value/value
5075,data,/ietf-schc:schc/rule/entry/direction-indicator
5076,data,/ietf-schc:schc/rule/entry/field-id
5077,data,/ietf-schc:schc/rule/entry/field-length
5078,data,/ietf-schc:schc/rule/entry/field-position
5079,data,/ietf-schc:schc/rule/entry/matching-operator
5080,data,/ietf-schc:schc/rule/entry/matching-operator-value
5081,data,/ietf-schc:schc/rule/entry/matching-operator-value/index
5082,data,/ietf-schc:schc/rule/entry/matching-operator-value/value
5083,data,/ietf-schc:schc/rule/entry/target-value
5084,data,/ietf-schc:schc/rule/entry/target-value/index
5085,data,/ietf-schc:schc/rule/entry/target-value/value
Minaburo & Toutain Expires 1 October 2023 [Page 20]
Internet-Draft SCHC Sid Allocation March 2023
5086,
5087,
5088,
5089,
5090,
5091,
5092,
5093,
5094,data,/ietf-schc:schc/rule/ack-behavior
5095,
5096,data,/ietf-schc:schc/rule/dtag-size
5097,
5098,
5099,data,/ietf-schc:schc/rule/inactivity-timer
5100,data,/ietf-schc:schc/rule/inactivity-timer/ticks-duration
5101,data,/ietf-schc:schc/rule/inactivity-timer/ticks-numbers
5102,data,/ietf-schc:schc/rule/l2-word-size
5103,data,/ietf-schc:schc/rule/max-ack-requests
5104,data,/ietf-schc:schc/rule/max-interleaved-frames
5105,data,/ietf-schc:schc/rule/maximum-packet-size
5106,data,/ietf-schc:schc/rule/rcs-algorithm
5107,data,/ietf-schc:schc/rule/retransmission-timer
5108,data,/ietf-schc:schc/rule/retransmission-timer/ticks-duration
5109,data,/ietf-schc:schc/rule/retransmission-timer/ticks-numbers
5110,data,/ietf-schc:schc/rule/ietf-schc-oam:proxy-behavior
5111,
5112,
5113,
5114,
5115,
5116,data,/ietf-schc:schc/rule/tile-in-all-1
5117,data,/ietf-schc:schc/rule/tile-size
5118,
5119,data,/ietf-schc:schc/rule/window-size
5120,
5121,
5122,
5123,
5124,
5125,
5126,
5127,
5128,
5129,
5130,
5131,
5132,
5133,
Minaburo & Toutain Expires 1 October 2023 [Page 21]
Internet-Draft SCHC Sid Allocation March 2023
5134,
5135,
5136,
5137,
5138,
5139,
5140,
5141,
5142,
5143,
5144,
5145,
5146,
5147,
5148,
5149,
5150,
5151,
5152,
5153,
5154,
5155,
5156,
5157,
5158,
5159,
5160,
5161,
5162,
5163,
5164,
5165,
5166,
5167,
5168,
5169,
5170,
5171,
5172,
5173,
5174,
5175,
5176,
5177,
5178,
5179,
5180,
5181,
Minaburo & Toutain Expires 1 October 2023 [Page 22]
Internet-Draft SCHC Sid Allocation March 2023
5182,
5183,
5184,
5185,
5186,
5187,
5188,
5189,
5190,
5191,
5192,
5193,
5194,
5195,
5196,
5197,
5198,
5199,
5200,
5201,
5202,
5203,
5204,
5205,
5206,
5207,
5208,
5209,
5210,
5211,
5212,
5213,
5214,
5215,
5216,
5217,
5218,
5219,
5220,
5221,
5222,
5223,
5224,
5225,
5226,
5227,
5228,
5229,
Minaburo & Toutain Expires 1 October 2023 [Page 23]
Internet-Draft SCHC Sid Allocation March 2023
5230,
5231,
5232,
5233,
5234,
5235,
5236,
5237,
5238,
5239,
5240,
5241,
5242,
5243,
5244,
5245,
5246,
5247,
5248,
5249,
5250,
5251,
5252,
5253,
5254,
5255,
5256,
5257,
5258,
5259,
5260,
5261,
5262,
5263,
5264,
5265,
5266,
5267,
5268,
5269,
5270,
5271,
5272,
5273,
5274,
5275,
5276,
5277,
Minaburo & Toutain Expires 1 October 2023 [Page 24]
Internet-Draft SCHC Sid Allocation March 2023
5278,
5279,
5280,
5281,
5282,
5283,
5284,
5285,
5286,
5287,
5288,
5289,
5290,
5291,
5292,
5293,
5294,
5295,
5296,
5297,
5298,
5299,
5300,identity,ack-behavior-after-all-0
5301,identity,ack-behavior-after-all-1
5302,identity,ack-behavior-base-type
5303,identity,ack-behavior-by-layer2
5304,identity,all-1-data-base-type
5305,identity,all-1-data-no
5306,identity,all-1-data-sender-choice
5307,identity,all-1-data-yes
5308,identity,cda-appiid
5309,identity,cda-base-type
5310,identity,cda-compute
5311,identity,cda-deviid
5312,identity,cda-lsb
5313,identity,cda-mapping-sent
5314,identity,cda-not-sent
5315,identity,cda-value-sent
5316,identity,di-base-type
5317,identity,di-bidirectional
5318,identity,di-down
5319,identity,di-up
5320,identity,fid-base-type
5321,identity,fid-coap-base-type
5322,identity,fid-coap-code
5323,identity,fid-coap-code-class
5324,identity,fid-coap-code-detail
5325,identity,fid-coap-mid
Minaburo & Toutain Expires 1 October 2023 [Page 25]
Internet-Draft SCHC Sid Allocation March 2023
5326,identity,fid-coap-option
5327,identity,fid-coap-option-accept
5328,identity,fid-coap-option-block1
5329,identity,fid-coap-option-block2
5330,identity,fid-coap-option-content-format
5331,identity,fid-coap-option-etag
5332,identity,fid-coap-option-if-match
5333,identity,fid-coap-option-if-none-match
5334,identity,fid-coap-option-location-path
5335,identity,fid-coap-option-location-query
5336,identity,fid-coap-option-max-age
5337,identity,fid-coap-option-no-response
5338,identity,fid-coap-option-observe
5339,identity,fid-coap-option-oscore-flags
5340,identity,fid-coap-option-oscore-kid
5341,identity,fid-coap-option-oscore-kidctx
5342,identity,fid-coap-option-oscore-piv
5343,identity,fid-coap-option-proxy-scheme
5344,identity,fid-coap-option-proxy-uri
5345,identity,fid-coap-option-size1
5346,identity,fid-coap-option-size2
5347,identity,fid-coap-option-uri-host
5348,identity,fid-coap-option-uri-path
5349,identity,fid-coap-option-uri-port
5350,identity,fid-coap-option-uri-query
5351,identity,fid-coap-tkl
5352,identity,fid-coap-token
5353,identity,fid-coap-type
5354,identity,fid-coap-version
5355,identity,fid-ipv6-appiid
5356,identity,fid-ipv6-appprefix
5357,identity,fid-ipv6-base-type
5358,identity,fid-ipv6-deviid
5359,identity,fid-ipv6-devprefix
5360,identity,fid-ipv6-flowlabel
5361,identity,fid-ipv6-hoplimit
5362,identity,fid-ipv6-nextheader
5363,identity,fid-ipv6-payload-length
5364,identity,fid-ipv6-trafficclass
5365,identity,fid-ipv6-trafficclass-ds
5366,identity,fid-ipv6-trafficclass-ecn
5367,identity,fid-ipv6-version
5368,identity,fid-oscore-base-type
5369,identity,fid-udp-app-port
5370,identity,fid-udp-base-type
5371,identity,fid-udp-checksum
5372,identity,fid-udp-dev-port
5373,identity,fid-udp-length
Minaburo & Toutain Expires 1 October 2023 [Page 26]
Internet-Draft SCHC Sid Allocation March 2023
5374,identity,fl-base-type
5375,identity,fl-token-length
5376,identity,fl-variable
5377,identity,fragmentation-mode-ack-always
5378,identity,fragmentation-mode-ack-on-error
5379,identity,fragmentation-mode-base-type
5380,identity,fragmentation-mode-no-ack
5381,identity,mo-base-type
5382,identity,mo-equal
5383,identity,mo-ignore
5384,identity,mo-match-mapping
5385,identity,mo-msb
5386,identity,nature-base-type
5387,identity,nature-compression
5388,identity,nature-fragmentation
5389,identity,nature-no-compression
5390,identity,rcs-algorithm-base-type
5391,identity,rcs-crc32
5392,feature,compression
5393,feature,fragmentation
5394,module,ietf-schc-oam
5395,identity,fid-icmpv6-base-type
5396,identity,fid-icmpv6-checksum
5397,identity,fid-icmpv6-code
5398,identity,fid-icmpv6-identifier
5399,identity,fid-icmpv6-sequence
5400,identity,fid-icmpv6-type
5401,identity,proxy-none
5402,identity,proxy-pingv6
5403,identity,proxy-schc-message
Figure 7: Manual SID allocation
Appendix C. Security Considerations
TBD
Appendix D. IANA Considerations
TBD
Authors' Addresses
Ana Minaburo
Acklio
1137A avenue des Champs Blancs
35510 Cesson-Sevigne Cedex
France
Minaburo & Toutain Expires 1 October 2023 [Page 27]
Internet-Draft SCHC Sid Allocation March 2023
Email: ana@ackl.io
Laurent Toutain
Institut MINES TELECOM; IMT Atlantique
2 rue de la Chataigneraie
CS 17607
35576 Cesson-Sevigne Cedex
France
Email: Laurent.Toutain@imt-atlantique.fr
Minaburo & Toutain Expires 1 October 2023 [Page 28]
