Network Working S.E. Hardcastle-Kille Group ISODE Consortium INTERNET-DRAFT November 1992 Expires: June 1993 A simple profile for MHS use of Directory Status of this Memo This document is an Internet Draft. Internet Drafts are working documents of the Internet Engineering Task Force (IETF), its Areas, and its Working Groups. Note that other groups may also distribute working documents as Internet Drafts. Internet Drafts are draft documents valid for a maximum of six months. Internet Drafts may be updated, replaced, or obsoleted by other documents at any time. It is not appropriate to use Internet Drafts as reference material or to cite them other than as a "working draft" or "work in progress." Please check the I-D abstract listing contained in each Internet Draft directory to learn the current status of this or any other Internet Draft. Abstract The document ``MHS Use of Directory to support MHS Routing'' describes a comprehensive approach to MHS use of directory to support routing [HK92]. This document defines a strict subset of this document, which is intended to solve the most pressing problems. It also defines a practical first step for implementation, such that this subset can be deployed prior to fuller implementation. This document does not repeat information in the other document. Duplication would only lead to the possibility of inconsistency. WARNING: This document must be read in the contex of the document it profiles. It is meaningless as a standalone document. This draft document will be submitted to the RFC editor as a protocol standard. Distribution of this memo is unlimited. Please send comments to the author or to the discussion group . INTERNET--DRAFT Profile for MHS use of Directory November 1992 1 Service Goals The following goals are identified: o No routing table configuration for simple MTAs in a PRMD (WEPs and gateways may do manual things). o Single entry configuration for most sites. o Do not replace function that is working reasonably well using existing approaches. o Ignore issues which are not yet operational concerns. These can be handled by the full specification in due course. 2 Approach The approach to routing is to use the single routing tree associated with the open community. MTAs will reference this tree. Simple MTAs need only do this, plus ad hoc configuration to route to a suitable MTA with a fuller manual configuration (e.g., a WEP). This document goes through section by section, referencing the full document, noting what support is needed. 3 Profile 3.1 General Table Handling Support for subtrees, but not flat tables is needed. 3.2 O/R Address Hierarchy Support for all attributes is needed, except: mHSX121 mHSDomainDefinedAttribute Hardcastle-Kille Expires: June 1993 Page 1 INTERNET--DRAFT Profile for MHS use of Directory November 1992 3.3 Local Addresses This is supported. 3.4 MTA Naming All MTAs are named within the O/R Address tree. The attributes which must be supported are: responderAuthenticationRequirements transportCommunity remotePresentationAddress 3.5 Routing Trees Only the single open community routing tree must be used. A variant on this profile might relax this restriction, perhaps to support a small number of routing trees. This relaxation should be noted in any statment referencing this specification. 3.6 Routing Information The following attributes are used: o authoritativeAddress o mTAInfo Routing action is always the default. 3.7 Indirect Connectivity This is not used. Hardcastle-Kille Expires: June 1993 Page 2 INTERNET--DRAFT Profile for MHS use of Directory November 1992 3.8 Protocol Mismatches The transport community approach is used. 3.9 Supported Protocols This approach is used, but only P1(88) and P1(84) are considered. 3.10 Capability Restrictions These are not handled. 3.11 Pulling Messages This is not done. 3.12 Authentication For 1988 usage, the distinguished name is used to identify the remote MTA. Authentication will be by network address. Password will always be ASN.1 NULL. For 1984 usage, no authentication is done. The attribute must be supported, but only the responderAuthenticationRequirements attribute is used. For MTAs following this specification, the following values must be set if bilateral-agreement-needed is false. mta-name-present true aet-present true aet-valid true network-address true simple-authentication false strong-authentication false Hardcastle-Kille Expires: June 1993 Page 3 INTERNET--DRAFT Profile for MHS use of Directory November 1992 If bilateral-agreement-needed is true, there are no restrictions on value. Where a WEP uses this scheme, information on the bilateral agreement will be determined locally (by private means). The remotePresentationAddress attribute will always be present. 3.13 Policy Policy will not be used. 3.14 Protocol Extensions These will not be used. 3.15 Format Conversion All issues relating to format conversion will be ignored. 3.16 RFC 822 Support There is no support for RFC 822 or RFC 822/X.400 mappings by use of directory. 3.17 Distribution Lists This will not be supported. 3.18 Redirects Not supported. 3.19 Bad Addresses The mechanisms will not be supported. Hardcastle-Kille Expires: June 1993 Page 4 INTERNET--DRAFT Profile for MHS use of Directory November 1992 References [HK92] S.E. Hardcastle-Kille. MHS use of the directory to support MHS routing, April 1992. Internet Draft. 4 Security Considerations Security considerations are not discussed in this INTERNET--DRAFT . 5 Author's Address Steve Hardcastle-Kille ISODE Consortium PO Box 505 London SW11 1DX England Phone: +44-71-223-4062 EMail: S.Kille@ISODE.COM DN: CN=Steve Hardcastle-Kille, O=ISODE Consortium, C=GB UFN: S. Hardcastle-Kille, ISODE Consortium, GB Hardcastle-Kille Expires: June 1993 Page 5