< draft-xu-idr-neighbor-autodiscovery-06.txt   draft-xu-idr-neighbor-autodiscovery-07.txt >
Network Working Group X. Xu Network Working Group X. Xu
Internet-Draft Alibaba Inc Internet-Draft Alibaba Inc
Intended status: Standards Track K. Bi Intended status: Standards Track K. Bi
Expires: October 24, 2018 Huawei Expires: November 16, 2018 Huawei
J. Tantsura J. Tantsura
Nuage Networks Nuage Networks
N. Triantafillis N. Triantafillis
LinkedIn LinkedIn
K. Talaulikar K. Talaulikar
Cisco Cisco
April 22, 2018 May 15, 2018
BGP Neighbor Autodiscovery BGP Neighbor Autodiscovery
draft-xu-idr-neighbor-autodiscovery-06 draft-xu-idr-neighbor-autodiscovery-07
Abstract Abstract
BGP has been used as the underlay routing protocol in many hyper- BGP has been used as the underlay routing protocol in many hyper-
scale data centers. This document proposes a BGP neighbor scale data centers. This document proposes a BGP neighbor
autodiscovery mechanism that greatly simplifies BGP deployments. autodiscovery mechanism that greatly simplifies BGP deployments.
This mechanism is very useful for those hyper-scale data centers This mechanism is very useful for those hyper-scale data centers
where BGP is used as the underlay routing protocol. where BGP is used as the underlay routing protocol.
Requirements Language Requirements Language
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 24, 2018. This Internet-Draft will expire on November 16, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. BGP Hello Message Format . . . . . . . . . . . . . . . . . . 3 3. BGP Hello Message Format . . . . . . . . . . . . . . . . . . 3
4. Hello Message Procedure . . . . . . . . . . . . . . . . . . . 10 4. Hello Message Procedure . . . . . . . . . . . . . . . . . . . 10
5. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 11 5. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 11
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 11 6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 11
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11 7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11
7.1. BGP Hello Message . . . . . . . . . . . . . . . . . . . . 11 7.1. BGP Hello Message . . . . . . . . . . . . . . . . . . . . 11
7.2. TLVs of BGP Hello Message . . . . . . . . . . . . . . . . 12 7.2. TLVs of BGP Hello Message . . . . . . . . . . . . . . . . 12
8. Security Considerations . . . . . . . . . . . . . . . . . . . 12 8. Security Considerations . . . . . . . . . . . . . . . . . . . 12
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 12 9. References . . . . . . . . . . . . . . . . . . . . . . . . . 13
9.1. Normative References . . . . . . . . . . . . . . . . . . 12 9.1. Normative References . . . . . . . . . . . . . . . . . . 13
9.2. Informative References . . . . . . . . . . . . . . . . . 13 9.2. Informative References . . . . . . . . . . . . . . . . . 13
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 13 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 13
1. Introduction 1. Introduction
BGP has been used as the underlay routing protocol instead of IGP in BGP has been used as the underlay routing protocol instead of IGP in
many hyper-scale data centers [RFC7938]. Furthermore, there is an many hyper-scale data centers [RFC7938]. Furthermore, there is an
ongoing effort to leverage BGP link-state distribution mechanism to ongoing effort to leverage BGP link-state distribution mechanism to
achieve BGP-SPF [I-D.keyupate-lsvr-bgp-spf]. However, BGP is not achieve BGP-SPF [I-D.keyupate-lsvr-bgp-spf]. However, BGP is not
good as an IGP from the perspective of deployment automation and good as an IGP from the perspective of deployment automation and
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5. Contributors 5. Contributors
Satya Mohanty Satya Mohanty
Cisco Cisco
Email: satyamoh@cisco.com Email: satyamoh@cisco.com
Shunwan Zhuang Shunwan Zhuang
Huawei Huawei
Email: zhuangshunwan@huawei.com Email: zhuangshunwan@huawei.com
Chao Huang
Alibaba Inc
Email: jingtan.hc@alibaba-inc.com
Guixin Bao
Alibaba Inc
Email: guixin.bgx@alibaba-inc.com
Jinghui Liu
Ruijie Networks
Email: liujh@ruijie.com.cn
6. Acknowledgements 6. Acknowledgements
The authors would like to thank Enke Chen for his valuable comments The authors would like to thank Enke Chen for his valuable comments
and suggestions on this document. and suggestions on this document.
7. IANA Considerations 7. IANA Considerations
7.1. BGP Hello Message 7.1. BGP Hello Message
This document requests IANA to allocate a new UDP port (179 is the This document requests IANA to allocate a new UDP port (179 is the
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