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Cisco's Enhanced Interior Gateway Routing Protocol (EIGRP) (RFC7868)

IP.com Disclosure Number: IPCOM000246740D
Original Publication Date: 2016-May-01
Included in the Prior Art Database: 2016-Jun-29

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Savage: AUTHOR [+6]

Abstract

This document describes the Enhanced Interior Gateway Routing Protocol (EIGRP), a routing protocol designed and developed by Cisco Systems, Inc. DUAL, the algorithm used to converge the control plane to a single set of loop-free paths is based on research conducted at SRI International [3]. The Diffusing Update Algorithm (DUAL) is the algorithm used to obtain loop freedom at every instant throughout a route computation [2]. This allows all routers involved in a topology change to synchronize at the same time; the routers not affected by topology changes are not involved in the recalculation. This document describes the protocol that implements these functions.

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Independent Submission                                         D. Savage Request for Comments: 7868                                         J. Ng Category: Informational                                         S. Moore ISSN: 2070-1721                                            Cisco Systems                                                                 D. Slice                                                         Cumulus Networks                                                                P. Paluch                                                     University of Zilina                                                                 R. White                                                                 LinkedIn                                                                 May 2016

        Cisco's Enhanced Interior Gateway Routing Protocol (EIGRP)

Abstract

   This document describes the protocol design and architecture for    Enhanced Interior Gateway Routing Protocol (EIGRP).  EIGRP is a    routing protocol based on Distance Vector technology.  The specific    algorithm used is called "DUAL", a Diffusing Update Algorithm as    referenced in "Loop-Free Routing Using Diffusing Computations"    (Garcia-Luna-Aceves 1993).  The algorithm and procedures were    researched, developed, and simulated by SRI International.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This is a contribution to the RFC Series, independently of any other    RFC stream.  The RFC Editor has chosen to publish this document at    its discretion and makes no statement about its value for    implementation or deployment.  Documents approved for publication by    the RFC Editor 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/rfc7868.

Savage, et al.                Informational                     [Page 1]
 RFC 7868                      Cisco's EIGRP                     May 2016

 Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the   ...