--- 1/draft-ietf-idr-bgp-ls-segment-routing-msd-07.txt 2019-09-17 14:13:12.179767528 -0700 +++ 2/draft-ietf-idr-bgp-ls-segment-routing-msd-08.txt 2019-09-17 14:13:12.203768135 -0700 @@ -1,26 +1,26 @@ IDR Working Group J. Tantsura Internet-Draft Apstra, Inc. Intended status: Standards Track U. Chunduri -Expires: March 14, 2020 Futurewei Technologies +Expires: March 19, 2020 Futurewei Technologies K. Talaulikar Cisco Systems G. Mirsky ZTE Corp. N. Triantafillis Apstra, Inc. - September 11, 2019 + September 16, 2019 Signaling MSD (Maximum SID Depth) using Border Gateway Protocol Link- State - draft-ietf-idr-bgp-ls-segment-routing-msd-07 + draft-ietf-idr-bgp-ls-segment-routing-msd-08 Abstract This document defines a way for a Border Gateway Protocol Link-State (BGP-LS) speaker to advertise multiple types of supported Maximum SID Depths (MSDs) at node and/or link granularity. Such advertisements allow entities (e.g., centralized controllers) to determine whether a particular Segment Identifier (SID) stack can be supported in a given network. @@ -33,21 +33,21 @@ 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 March 14, 2020. + This Internet-Draft will expire on March 19, 2020. Copyright Notice Copyright (c) 2019 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 @@ -130,22 +130,22 @@ SR: Segment routing Label Imposition: Imposition is the act of modifying and/or adding labels to the outgoing label stack associated with a packet. This includes: o replacing the label at the top of the label stack with a new label. - o pushing one or more new labels onto the label stack The number of - labels imposed is then the sum of the number of labels that are + o pushing one or more new labels onto the label stack. The number + of labels imposed is then the sum of the number of labels that are replaced and the number of labels that are pushed. See [RFC3031] for further details. 1.1.2. 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 .