IGP-TE Extensions for DetNet Information Distribution
draft-geng-detnet-info-distribution-03

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Last updated 2018-10-22
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Interdomain Routing Working Group                                X. Geng
Internet-Draft                                                   M. Chen
Intended status: Standards Track                                  Huawei
Expires: April 25, 2019                                            Z. Li
                                                            China Mobile
                                                        October 22, 2018

         IGP-TE Extensions for DetNet Information Distribution
                 draft-geng-detnet-info-distribution-03

Abstract

   This document extends the IGP-TE, including OSPF-TE and ISIS-TE, to
   support DetNet by specifying new information that can be placed in
   Link State Protocol Data Units (LSP).  This information describes
   additional details regarding the state of the network that are useful
   for DetNet computations.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on April 25, 2019.

Copyright Notice

   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Geng, et al.             Expires April 25, 2019                 [Page 1]
Internet-Draft          DetNet Info Distribution            October 2018

   This document is subject to BCP 78 and the IETF Trust's Legal
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   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  DetNet Extensions to OSPF TE  . . . . . . . . . . . . . . . .   4
     3.1.  DetNet Node Attributes Advertisement  . . . . . . . . . .   4
       3.1.1.  Packet Processing Delay Sub-TLV . . . . . . . . . . .   4
       3.1.2.  PREOF Capability Sub-TLV  . . . . . . . . . . . . . .   5
     3.2.  DetNet Link Attributtes Advertisement . . . . . . . . . .   6
       3.2.1.  Max DetNet Reservable Bandwidth Sub-TLV . . . . . . .   7
       3.2.2.  DetNet Available Bandwidth Sub-TLV  . . . . . . . . .   7
       3.2.3.  PREOF Capability Sub-TLV  . . . . . . . . . . . . . .   8
       3.2.4.  Queuing Algorithm Capability Sub-TLV  . . . . . . . .   9
       3.2.5.  DetNet Queue Sub-TLV  . . . . . . . . . . . . . . . .  10
   4.  DetNet Extensions to ISIS TE  . . . . . . . . . . . . . . . .  12
     4.1.  DetNet Node Attributes Advertisement  . . . . . . . . . .  12
       4.1.1.  DetNet Processing Delay Sub-TLV . . . . . . . . . . .  12
       4.1.2.  PREOF Capability Sub-TLV  . . . . . . . . . . . . . .  13
     4.2.  DetNet Link Attributes Advertisement  . . . . . . . . . .  14
       4.2.1.  Max DetNet Reservable Bandwidth Sub-TLV . . . . . . .  14
       4.2.2.  DetNet Available Bandwidth Sub-TLV  . . . . . . . . .  15
       4.2.3.  PREOF Capability Sub-TLV  . . . . . . . . . . . . . .  16
       4.2.4.  Queuing Algorithm Capability Sub-TLV  . . . . . . . .  16
       4.2.5.  DetNet Queue Sub-TLV  . . . . . . . . . . . . . . . .  17
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  19
     5.1.  Sub-TLVs for OSPF Node Attribute TLV  . . . . . . . . . .  19
     5.2.  Sub-TLVs for OSPF Link TLV  . . . . . . . . . . . . . . .  19
     5.3.  Sub-TLVs for ISIS Router Capability TLV . . . . . . . . .  20
     5.4.  Sub-TLVs for  IS-IS TLVs 22, 23, 141, 222, and 223  . . .  20
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  20
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  20
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  20
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  21
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