Network Working Group T. Li Internet-Draft Z. Chen Intended status: Standards Track Huawei Expires: November 20, 2020 May 19, 2020 SRv6 SID MPLS draft-li-chen-srv6-00 Abstract Segment Routing is good. Requirements Language The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED","MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here. 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 working documents as Internet-Drafts. The list of current Internet- Drafts is at https://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 20, 2020. Copyright Notice Copyright (c) 2020 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 (https://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 Li & Chen Expires November 20, 2020 [Page 1] Internet-Draft SID SRv6 May 2020 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 . . . . . . . . . . . . . . . . . . . . . . . . 2 2. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 2 3. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 2 4. Normative References . . . . . . . . . . . . . . . . . . . . 2 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction Segment Routing. 2. IANA Considerations IANA is requested to allocated one bit in Segment Routing Header Flags to indicate that the SRH contains SSID and the node should conduct the corresponding operations with SSRH. 3. Acknowledgements TBD. 4. Normative References [I-D.draft-ietf-spring-srv6-network-programming] Filsfils, C., Camarillo, P., Leddy, J., Voyer, D., Matsushima, S., and Z. Li, "SRv6 Network Programming", draft-ietf-spring-srv6-network-programming-15 (work in prograss) , March 2020. [I-D.draft-li-spring-compressed-srv6-np] Li, Z., Li, C., Xie, C., LEE, K., Tian, H., Zhao, F., Guichard, J., Li, C., and S. Peng, "Compressed SRv6 Network Programming", draft-li-spring-compressed- SRv6-np-02 (work in prograss) , February 2020. [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, . Li & Chen Expires November 20, 2020 [Page 2] Internet-Draft SID SRv6 May 2020 [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174, May 2017, . [RFC8200] Deering, S. and R. Hinden, "Internet Protocol, Version 6 (IPv6) Spectification", RFC 8200 , July 2017. [RFC8402] Filsfils, C., Previdi, S., Ginsberg, L., Decraene, B., Litkowski, S., and R. Shakir, "Segment Routing Architecture", RFC 8402 , July 2018. [RFC8754] Filsfils, C., Dukes, D., Previdi, S., Leddy, J., Matsushima, S., and D. Voyer, "IPv6 Segment Routing Header (SRH)", RFC 8754 , March 2020. Authors' Addresses Taixin Li Huawei No. 156 Beiqing Rd Beijing 100095 China Email: litaixin@huawei.com Zhe Chen Huawei No. 156 Beiqing Rd Beijing 100095 China Email: chenzhe17@huawei.com Li & Chen Expires November 20, 2020 [Page 3]