A Set of Possible Requirements for a Future Routing Architecture
RFC 5772

Document Type RFC - Historic (February 2010; No errata)
Last updated 2015-10-14
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Internet Research Task Force (IRTF)                             A. Doria
Request for Comments: 5772                                           LTU
Category: Historic                                             E. Davies
ISSN: 2070-1721                                         Folly Consulting
                                                           F. Kastenholz
                                                        BBN Technologies
                                                           February 2010

    A Set of Possible Requirements for a Future Routing Architecture

Abstract

   The requirements for routing architectures described in this document
   were produced by two sub-groups under the IRTF Routing Research Group
   (RRG) in 2001, with some editorial updates up to 2006.  The two sub-
   groups worked independently, and the resulting requirements represent
   two separate views of the problem and of what is required to fix the
   problem.  This document may usefully serve as part of the recommended
   reading for anyone who works on routing architecture designs for the
   Internet in the future.

   The document is published with the support of the IRTF RRG as a
   record of the work completed at that time, but with the understanding
   that it does not necessarily represent either the latest technical
   understanding or the technical consensus of the research group at the
   date of publication.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for the historical record.

   This document defines a Historic Document for the Internet community.
   This document is a product of the Internet Research Task Force
   (IRTF).  The IRTF publishes the results of Internet-related research
   and development activities.  These results might not be suitable for
   deployment.  This RFC represents the individual opinion(s) of one or
   more members of the Routing Research Group of the Internet Research
   Task Force (IRTF).  Documents approved for publication by the IRSG
   are not a candidate for any level of Internet Standard; see Section 2
   of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc5772.

Doria, et al.                   Historic                        [Page 1]
RFC 5772                IRTF Routing Requirements          February 2010

Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.

Table of Contents

   1. Background ......................................................4
   2. Results from Group A ............................................5
      2.1. Group A - Requirements for a Next Generation Routing and
           Addressing Architecture ....................................5
           2.1.1. Architecture ........................................6
           2.1.2. Separable Components ................................6
           2.1.3. Scalable ............................................7
           2.1.4. Lots of Interconnectivity ..........................10
           2.1.5. Random Structure ...................................10
           2.1.6. Multi-Homing .......................................11
           2.1.7. Multi-Path .........................................11
           2.1.8. Convergence ........................................12
           2.1.9. Routing System Security ............................14
           2.1.10. End Host Security .................................16
           2.1.11. Rich Policy .......................................16
           2.1.12. Incremental Deployment ............................19
           2.1.13. Mobility ..........................................19
           2.1.14. Address Portability ...............................20
           2.1.15. Multi-Protocol ....................................20
           2.1.16. Abstraction .......................................20
           2.1.17. Simplicity ........................................21
           2.1.18. Robustness ........................................21
           2.1.19. Media Independence ................................22
           2.1.20. Stand-Alone .......................................22
           2.1.21. Safety of Configuration ...........................23
           2.1.22. Renumbering .......................................23
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