Interconnecting Millions Of Endpoints With Segment Routing
draft-filsfils-spring-large-scale-interconnect-06

Document Type Active Internet-Draft (candidate for spring WG)
Last updated 2017-05-29
Stream IETF
Intended RFC status (None)
Formats plain text pdf html bibtex
Stream WG state Call For Adoption By WG Issued
Document shepherd Martin Vigoureux
IESG IESG state I-D Exists
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to "Martin Vigoureux" <martin.vigoureux@nokia.com>
Network Working Group                                   C. Filsfils, Ed.
Internet-Draft                                                    D. Cai
Intended status: Informational                           S. Previdi, Ed.
Expires: November 30, 2017                           Cisco Systems, Inc.
                                                           W. Henderickx
                                                                   Nokia
                                                               D. Cooper
                                                                 Level 3
                                                              T. Laberge
                                                     Cisco Systems, Inc.
                                                                  S. Lin
                                                              Individual
                                                             B. Decraene
                                                                  Orange
                                                                L. Jalil
                                                                 Verizon
                                                             J. Tantsura
                                                              Individual
                                                               R. Shakir
                                                                  Google
                                                            May 29, 2017

       Interconnecting Millions Of Endpoints With Segment Routing
           draft-filsfils-spring-large-scale-interconnect-06

Abstract

   This document describes an application of Segment Routing to scale
   the network to support hundreds of thousands of network nodes, and
   tens of millions of physical underlay endpoints.  This use-case can
   be applied to the interconnection of massive-scale DC's and/or large
   aggregation networks.  Forwarding tables of midpoint and leaf nodes
   only require a few tens of thousands of entries.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute

Filsfils, et al.        Expires November 30, 2017               [Page 1]
Internet-Draft         Large Scale Segment Routing              May 2017

   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on November 30, 2017.

Copyright Notice

   Copyright (c) 2017 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.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Reference Design  . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Control Plane . . . . . . . . . . . . . . . . . . . . . . . .   4
   5.  Illustration of the scale . . . . . . . . . . . . . . . . . .   5
   6.  Design Options  . . . . . . . . . . . . . . . . . . . . . . .   6
     6.1.  SRGB Size . . . . . . . . . . . . . . . . . . . . . . . .   6
     6.2.  Redistribution of Agg nodes routes  . . . . . . . . . . .   6
     6.3.  Sizing and hierarchy  . . . . . . . . . . . . . . . . . .   7
     6.4.  Local Segments to Hosts/Servers . . . . . . . . . . . . .   7
     6.5.  Compressed SRTE policies  . . . . . . . . . . . . . . . .   7
   7.  Deployment Model  . . . . . . . . . . . . . . . . . . . . . .   8
Show full document text