draft-ietf-idr-bgp-ls-segment-routing-msd-07.txt | draft-ietf-idr-bgp-ls-segment-routing-msd-08.txt | |||
---|---|---|---|---|
IDR Working Group J. Tantsura | IDR Working Group J. Tantsura | |||
Internet-Draft Apstra, Inc. | Internet-Draft Apstra, Inc. | |||
Intended status: Standards Track U. Chunduri | Intended status: Standards Track U. Chunduri | |||
Expires: March 14, 2020 Futurewei Technologies | Expires: March 19, 2020 Futurewei Technologies | |||
K. Talaulikar | K. Talaulikar | |||
Cisco Systems | Cisco Systems | |||
G. Mirsky | G. Mirsky | |||
ZTE Corp. | ZTE Corp. | |||
N. Triantafillis | N. Triantafillis | |||
Apstra, Inc. | Apstra, Inc. | |||
September 11, 2019 | September 16, 2019 | |||
Signaling MSD (Maximum SID Depth) using Border Gateway Protocol Link- | Signaling MSD (Maximum SID Depth) using Border Gateway Protocol Link- | |||
State | State | |||
draft-ietf-idr-bgp-ls-segment-routing-msd-07 | draft-ietf-idr-bgp-ls-segment-routing-msd-08 | |||
Abstract | Abstract | |||
This document defines a way for a Border Gateway Protocol Link-State | This document defines a way for a Border Gateway Protocol Link-State | |||
(BGP-LS) speaker to advertise multiple types of supported Maximum SID | (BGP-LS) speaker to advertise multiple types of supported Maximum SID | |||
Depths (MSDs) at node and/or link granularity. | Depths (MSDs) at node and/or link granularity. | |||
Such advertisements allow entities (e.g., centralized controllers) to | Such advertisements allow entities (e.g., centralized controllers) to | |||
determine whether a particular Segment Identifier (SID) stack can be | determine whether a particular Segment Identifier (SID) stack can be | |||
supported in a given network. | supported in a given network. | |||
skipping to change at page 1, line 44 ¶ | skipping to change at page 1, line 44 ¶ | |||
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 March 14, 2020. | This Internet-Draft will expire on March 19, 2020. | |||
Copyright Notice | Copyright Notice | |||
Copyright (c) 2019 IETF Trust and the persons identified as the | Copyright (c) 2019 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 | |||
skipping to change at page 4, line 5 ¶ | skipping to change at page 4, line 5 ¶ | |||
SR: Segment routing | SR: Segment routing | |||
Label Imposition: Imposition is the act of modifying and/or adding | Label Imposition: Imposition is the act of modifying and/or adding | |||
labels to the outgoing label stack associated with a packet. This | labels to the outgoing label stack associated with a packet. This | |||
includes: | includes: | |||
o replacing the label at the top of the label stack with a new | o replacing the label at the top of the label stack with a new | |||
label. | label. | |||
o pushing one or more new labels onto the label stack The number of | o pushing one or more new labels onto the label stack. The number | |||
labels imposed is then the sum of the number of labels that are | 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] | replaced and the number of labels that are pushed. See [RFC3031] | |||
for further details. | for further details. | |||
1.1.2. Requirements Language | 1.1.2. Requirements Language | |||
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", | The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", | |||
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and | "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and | |||
"OPTIONAL" in this document are to be interpreted as described in BCP | "OPTIONAL" in this document are to be interpreted as described in BCP | |||
14 [RFC2119] [RFC8174] when, and only when, they appear in all | 14 [RFC2119] [RFC8174] when, and only when, they appear in all | |||
capitals, as shown here . | capitals, as shown here . | |||
End of changes. 5 change blocks. | ||||
6 lines changed or deleted | 6 lines changed or added | |||
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