Represents the length of each entry in the SID List. Represents the zero-based index of the last element of the Segment List. | Next Header | Hdr Ext Len | Routing Type | Segments Left |įigure 1: Compressed Routing Header (CRH)įigure 1 depicts the CRH. 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 when, and only when, they appear in all capitals, as shown here. SRv6+ nodes use the CRH to steer packets from segment to segment along SRv6+ paths.įor details regarding SRv6+ paths, segments, Segment Identifiers (SIDs) and instructions, see. This document defines a new IPv6 Routing header type, called the Compressed Routing Header (CRH). Loose Source Routing Preserving The First SID Segment Forwarding Information Base (SFIB) 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. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents () in effect on the date of publication of this document. Copyright NoticeĬopyright (c) 2019 IETF Trust and the persons identified as the document authors. This Internet-Draft will expire on January 6, 2020. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as 'work in progress.' 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.

The list of current Internet-Drafts is at. Note that other groups may also distribute working documents as Internet-Drafts.

Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. SRv6+ nodes use the CRH to steer packets from segment to segment along SRv6+ paths.

The IPv6 Compressed Routing Header (CRH) 6manĭraft-bonica-6man-comp-rtg-hdr-05 Abstract

Two rules of ipv6 compression