Mechanisms for Directory Assisting RBridge
draft-dunbar-trill-scheme-for-directory-assist-01

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TRILL Working Group                                        L. Dunbar
Internet Draft                                           D. Eastlake
Intended status: Standard Track                               Huawei
Expires: February 2013                                 Radia Perlman
                                                                Intel
                                                      Igor Gashinsky
                                                                Yahoo
                                                          YiZhou Li
                                                             Huawei
                                                      August 29, 2012

                Mechanisms for Directory Assisting RBridge
           draft-dunbar-trill-scheme-for-directory-assist-01.txt

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
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   This Internet-Draft will expire on February 29, 2009.

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   Copyright (c) 2012 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
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   document must include Simplified BSD License text as described in

                     Expires February 29, 2013               [Page 1]
Internet-Draft  Scheme for Directory assisted RBridge

   Section 4.e of the Trust Legal Provisions and are provided without
   warranty as described in the Simplified BSD License.

Abstract

   This draft describes the mechanisms of using directory server(s) to
   assist RBridge edge in data center environment.

Conventions used in this document

   The term ''Subnet'' and ''VLAN'' are used interchangeably in this
   document because it is common to map one subnet to one VLAN. The
   term ''TRILL'' and ''RBridge'' are used interchangeably in this
   document.

   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 Error!
   Reference source not found..

Table of Contents

   1. Introduction ................................................ 2
   2. Terminology ................................................. 3
   3. Push Model of Directory Assisted RBridge Edge in DC Environment3
      3.1. Minimize the mapping entries maintained by RBridge Edge.. 4
      3.2. Aggregated entries to push down ......................... 4
      3.3. Messages to trigger pushing from directory .............. 5
   4. Pull model of Directory Assisted RBridge Edge in DC Environment5
   5. Push-Pull Hybrid Model....................................... 7
   6. To be continued ............................................. 7
   7. Manageability Considerations................................. 7
   8. Security Considerations...................................... 7
   9. IANA Considerations ......................................... 8
   10. Acknowledgments ............................................ 8
   11. References ................................................. 8
   Authors' Addresses ............................................. 9
   Intellectual Property Statement................................. 9
   Disclaimer of Validity ........................................ 10

1. Introduction

   [Directory-Assisted-RBridge] describes the framework of using
   directory to assist TRILL edge nodes to improve TRILL network

Dunbar                Expires February 29, 2013               [Page 2]
Internet-Draft  Scheme for Directory assisted RBridge

   scalability in data center environment. This draft describes
   mechanisms of using directory to assist RBridge edge nodes in data
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