Internet DRAFT - draft-g-698-2-lmp
draft-g-698-2-lmp
Internet Engineering Task Force D. Hiremagalur, Ed.
Internet-Draft G. Grammel, Ed.
Intended status: Standards Track J. Drake, Ed.
Expires: September 28, 2012 Juniper
G. Galimberti, Ed.
Cisco
R. Kunze, Ed.
Deutsche Telekom
March 27, 2012
Extension to the Link Management Protocol (LMP/DWDM -rfc4209) for Dense
Wavelength Division Multiplexing (DWDM) Optical Line Systems to manage
black-link optical interface parameters of DWDM application
draft-g-698-2-lmp-00
Abstract
This memo defines extensions to LMP(rfc4209) for managing Optical
parameters associated with Wavelength Division Multiplexing (WDM)
systems or characterized by the Optical Transport Network (OTN) in
accordance with the Black-Link approach defined in ITU-T
Recommendation G.698.2[ITU.G698.2].[ITU.G698.2]
Copyright Notice
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Copyright Notice
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Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Extensions to LMP-WDM Protocol . . . . . . . . . . . . . . . . 3
3. BLack Link General Parameters - BL_Capability . . . . . . . . . 4
4. BLack Link - BL_OXC_Status . . . . . . . . . . . . . . . . . . 6
5. BLack Link - BL_OLS_Status . . . . . . . . . . . . . . . . . . 7
6. Security Considerations . . . . . . . . . . . . . . . . . . . . 7
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 7
8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8.1. Normative References . . . . . . . . . . . . . . . . . . . 8
8.2. Informative References . . . . . . . . . . . . . . . . . . 8
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 8
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1. Introduction
This extension is based on "draft-galimbe-kunze-g-698-2-snmp-mib-02"
and "draft-kunze-g-698-2-management-control-framework-02, for the
relevant parameters specified in G.698.2 [ITU.G698.2]
Figure 1 Extended LMP Model ( from [RFC4209] )
+------+ +------+ +------+ +------+
| | ----- | | | | ----- | |
| OXC1 | ----- | OLS1 | ===== | OLS2 | ----- | OXC2 |
| | ----- | | | | ----- | |
+------+ +------+ +------+ +------+
^ ^ ^ ^ ^ ^
| | | | | |
| +-----LMP-----+ +-----LMP-----+ |
| |
+----------------------LMP-----------------------+
Figure 1: Extended LMP Model
2. Extensions to LMP-WDM Protocol
This document defines extensions to [RFC4209] to allow the Black Link
(BL) parameters of G.698.2, as described in the draft
draft-kunze-g-698-2-management-control-framework-02 , to be exchanged
between a router or optical switch and the optical line system to
which it is attached. In particular, this document defines
additional Data Link sub-objects to be carried in the LinkSummary
message defined in [RFC4204]. The OXC and OLS systems may be managed
by different Network management systems and hence may not know the
capability and status of their peer. The intent of this draft is to
enable the OXC and OLS systems to exchange this information. These
messages and their usage are defined in subsequent sections of this
document.
The following new messages are defined for the Black Link:
- BL_Capability (sub-object Type = TBA)
- BL_OXC_Status (sub-object Type = TBA)
- BL_OLS_Status (sub-object Type = TBA)
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3. BLack Link General Parameters - BL_Capability
These are the BL parameters as described in [G698.2]. Please refer
to the "draft-kunze-g-698-2-management-control-framework-02." for
more details about these parameters. The parameters relevant to each
system are exchanged between the OXC and OLS. 1. Wavelength (in
hertz) 2. Wavelength Range - Min and Max wavelengths
supported(Hertz) 3. Channel Spacing (hertz) 4. Wavelenth
Availability bits - variable bits depending on the no of wavelengths
available (For eg 80 bits for C-band 25GHz, allocation is in
multiples of 1byte - 96 bits - 10bytes) 0 - wavelength is available,
1 - used Reference - draft-ietf-ccamp-rwa-wson-encode-13.txt 5.
Vendor Transceiver Class -- 32 bytes 6. Single-channel application
codes -- 32 bytes 7. Minimum Mean Channel Output Power (0.1 dbm) 8.
Maximum Mean Channel Output Power (0.1 dbm) 9. Minimum Central
Frequency (0.01 THz) 10. Maximum Central Frequency (0.01 THz) 11.
Maximum Spectral Excursion "0.1 GHz" 12. Maximum Tx Dispersion OSNR
Penalty (0.1 dbm) 13. Minimum Mean Input Power (0.1dbm) 14. Maximum
Mean Input Power (0.1dbm) 15. Minimum OSNR (0.01Thz) 16. OSNR
Tolerance (0.1GHz)
Figure 2The format of the this sub-object (Type = TBA, Length = TBA)
is as follows:
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0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Reserved | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Wavelength |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Wavelength |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Min Wavelength |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Max Wavelength |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Length | Wavelength Availability Map |
| Wavelength | |
| map | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Vendor Transceiver Class |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Single-channel Application Code |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Minimum Mean Channel Output Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Mean Channel Output Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Minimum Central Frequency |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Central Frequency |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Spectral Excursion |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Tx Dispersion OSNR Penalty |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Minimum Mean Input Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Mean Input Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Minimum OSNR |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| OSNR Tolerance |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 2: BL_Capability
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4. BLack Link - BL_OXC_Status
This message is used to convey the status of the link at the OXC to
the OLS. This message can be either sent when there is a change in
the value or at predefined intervals. These parameters will give the
current status of the link at the OXC. 1. Current Output Power (0.1
dbm) 2. Current Input Power (0.1 dbm) 3. Threshold for the input
power at OXC (0.1 dbm) - This is the power level above which the OLS
will not function. 4. Current Chromatic Dispersion (ps/nm) 5.
Current OSNR (0.1 dbm) 6. Maximum Tx Dispersion OSNR Penalty (0.1
dbm) 7. Current Output Power 8. Status of TX - Status of the
Transmit link at OXC 9. Status of Rx link at OXC - Status of the
Receive link at the OXC 10. Admin Status 11. Operation Status
Figure 3 The format of the Black link sub-object (Type = TBA, Length
= TBA) is as follows:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Reserved | (Reserved) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Output Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Input Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Threshold for the input power at OXC |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Chromatic Dispersion |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current OSNR |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Tx Dispersion OSNR Penalty |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Output Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Status of TX | Status of RX |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Admin Status | Operation Status |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 3: OTN Layers for OPS and OCh
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5. BLack Link - BL_OLS_Status
Figure 4 The format of the Black Link/OLS Sink sub-object (Type =
TBA, Length = TBA) is as follows:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Reserved | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Wavelength |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Length | Wavelength Availability Map |
| Wavelength | |
| map | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Input Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Threshold of the input power at OLS |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Current Output Power |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Status of RX at OLS | Status of TX at OLS |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Admin Status | Operation Status |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 4: OTN Layers for OPS and OCh
6. Security Considerations
LMP message security uses IPsec, as described in [RFC4204]. This
document only defines new LMP objects that are carried in existing
LMP messages, similar to the LMP objects in [RFC:4209]. This
document does not introduce new security considerations.
7. IANA Considerations
LMP [RFC4204] defines the following name spaces and the ways in which
IANA can make assignments to these namespaces: - LMP Message Type -
LMP Object Class - LMP Object Class type (C-Type) unique within the
Object Class - LMP Sub-object Class type (Type) unique within the
Object Class This memo introduces the following new assignments: LMP
Sub-Object Class names: o under DATA_LINK Class name (as defined in
[RFC4204]) - BL_Capability (sub-object Type = TBA) - BL_OXC_Status
(sub-object Type = TBA) - BL_OLS_Status (sub-object Type = TBA)
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8. References
8.1. Normative References
[RFC4204] Lang, J., "Link Management Protocol (LMP)", RFC 4204,
October 2005.
[RFC4209] Fredette, A. and J. Lang, "Link Management Protocol (LMP)
for Dense Wavelength Division Multiplexing (DWDM) Optical
Line Systems", RFC 4209, October 2005.
[ITU.G698.2]
International Telecommunications Union, "Amplified
multichannel dense wavelength division multiplexing
applications with single channel optical interfaces", ITU-
T Recommendation G.698.2, November 2009.
[ITU.G709]
International Telecommunications Union, "Interface for the
Optical Transport Network (OTN)", ITU-T Recommendation
G.709, March 2003.
[ITU.G872]
International Telecommunications Union, "Architecture of
optical transport networks", ITU-T Recommendation G.872,
November 2001.
8.2. Informative References
[I-D.kunze-g-698-2-management-control-framework]
Kunze, R., "A framework for Management and Control of
optical interfaces supporting G.698.2",
draft-kunze-g-698-2-management-control-framework-00 (work
in progress), July 2011.
Authors' Addresses
Dharini Hiremagalur (editor)
Juniper
1194 N Mathilda Avenue
Sunnyvale - 94089 California
USA
Phone: +1408
Email: dharinih@juniper.net
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Gert Grammel (editor)
Juniper
1194 N Mathilda Avenue
Sunnyvale - 94089 California
USA
Phone: +1408
Email: ggrammel@juniper.net
John E. Drake (editor)
Juniper
1194 N Mathilda Avenue
HW-US,Pennsylvania
USA
Phone: +1408
Email: jdrake@juniper.net
Gabriele Galimberti (editor)
Cisco
Via Philips,12
20052 - Monza
Italy
Phone: +390392091462
Email: ggalimbe@cisco.com
Ruediger Kunze (editor)
Deutsche Telekom
Dddd, xx
Berlin
Germany
Phone: +49xxxxxxxxxx
Email: RKunze@telekom.de
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