Requirements for Metro Ethernet Forum (MEF) Ethernet-Tree (E-Tree) Support in Layer 2 Virtual Private Network (L2VPN)
RFC 7152
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RFC - Informational
(March 2014; No errata)
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Last updated |
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2015-10-14
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IETF
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Submitted to IESG for Publication
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Nabil Bitar
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(last changed 2013-10-24)
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RFC 7152 (Informational)
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Yes
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Adrian Farrel
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Internet Engineering Task Force (IETF) R. Key, Ed.
Request for Comments: 7152 S. Delord
Category: Informational Telstra
ISSN: 2070-1721 F. Jounay
Orange CH
L. Huang
China Mobile
Z. Liu
China Telecom
M. Paul
Deutsche Telekom
March 2014
Requirements for Metro Ethernet Forum (MEF) Ethernet-Tree (E-Tree)
Support in Layer 2 Virtual Private Network (L2VPN)
Abstract
This document provides functional requirements for the support of
Metro Ethernet Forum (MEF) Ethernet Tree (E-Tree) in multipoint Layer
2 Virtual Private Network solutions (referred to as simply "L2VPN").
It is intended that potential solutions will use these requirements
as guidelines.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Not all documents
approved by the IESG are 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/rfc7152.
Key, et al. Informational [Page 1]
RFC 7152 Requirement E-Tree in L2VPN March 2014
Copyright Notice
Copyright (c) 2014 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
1.1. Conventions Used in This Document ..........................3
2. IETF Multipoint Ethernet L2VPN Services .........................3
2.1. VPLS .......................................................3
2.2. Ethernet Virtual Private Network (E-VPN) ...................3
3. MEF Multipoint Ethernet Services ................................4
3.1. Similarities between E-LAN and E-Tree ......................4
3.2. Differences between E-LAN and E-Tree .......................4
3.3. E-Tree Use Cases ...........................................5
3.4. Generic E-Tree Service .....................................6
4. Problem Statement ...............................................6
4.1. Motivation .................................................6
4.2. Leaf-to-Leaf Communication Restriction .....................6
5. Requirements ....................................................7
5.1. Functional Requirements ....................................7
5.2. Applicability ..............................................8
5.3. Backward Compatibility .....................................8
5.4. External Network Network Interface (ENNI) ..................8
6. Security Considerations .........................................8
7. Contributors ....................................................8
8. Acknowledgements ................................................9
9. References ......................................................9
9.1. Normative References .......................................9
9.2. Informative References ....................................10
Appendix A. Frequently Asked Question .............................11
A.1. Are E-Tree Requirements Addressed in the Virtual
Private Multicast Service (VPMS) Requirements? ...............11
Key, et al. Informational [Page 2]
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