QoS-level aware Transmission Protocol (QTP) for virtual networks
draft-lan-nvo3-qtp-09

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INTERNET-DRAFT                                                  J. Lan
Intended Status: Proposed Standard                           D. Cheng
Expires: September 19, 2019                                          Y. Hu
                                                                G. Cheng
                                                                T. Duan
         National Digital Switching System Engineering and Technological
                                              Research Center, P.R.China
                                                        March 24, 2019

    QoS-level aware Transmission Protocol (QTP) for virtual networks
                         draft-lan-nvo3-qtp-09

Abstract

   This document provides a QoS-level aware Transmission Protocol (QTP)
   for virtual networks.

Status of this Memo

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   provisions of BCP 78 and BCP 79.

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Copyright and License Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors. All rights reserved.

 

Lan, et al.             Expires September 19, 2019                   [Page 1]
INTERNET DRAFT   QoS-level aware Transmission Protocol      March 24, 2019

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Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1  Motivation and background . . . . . . . . . . . . . . . . .  4
     1.2  QTP-path  . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.3  QTP Overview  . . . . . . . . . . . . . . . . . . . . . . .  4
     1.4  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.5  Acronyms and Abbreviations  . . . . . . . . . . . . . . . .  5
   2  QTP Data Encapsulation Specification  . . . . . . . . . . . . .  5
     2.1  QTP Header Specification  . . . . . . . . . . . . . . . . .  5
     2.2  QTP Data Encapsulation  . . . . . . . . . . . . . . . . . .  6
   3  QTP Message Specification . . . . . . . . . . . . . . . . . . .  7
     3.1 Destination Prefix and Node Identifiers  . . . . . . . . . .  8
       3.1.1 Destination Prefix (DestPrefix)  . . . . . . . . . . . .  8
       3.1.2 Node Identifiers . . . . . . . . . . . . . . . . . . . .  8
     3.2  QTP PDU . . . . . . . . . . . . . . . . . . . . . . . . . .  8
     3.3 TLV Encoding . . . . . . . . . . . . . . . . . . . . . . . .  9
       3.3.1 DestPrefix TLV . . . . . . . . . . . . . . . . . . . . . 11
       3.3.2 PID TLV  . . . . . . . . . . . . . . . . . . . . . . . . 12
       3.3.3 ToP TLV  . . . . . . . . . . . . . . . . . . . . . . . . 13
       3.3.4 Status TLV . . . . . . . . . . . . . . . . . . . . . . . 13
     3.4 QTP messages . . . . . . . . . . . . . . . . . . . . . . . . 14
       3.4.1 Notification Message . . . . . . . . . . . . . . . . . . 16
         3.4.1.1 Notification Message Procedures  . . . . . . . . . . 17
         3.4.1.2 Events Signaled by Notification Messages . . . . . . 17
       3.4.2 KeepAlive Message  . . . . . . . . . . . . . . . . . . . 19
         3.4.2.1 KeepAlive Message Procedures . . . . . . . . . . . . 19
       3.4.3 PID Request Message  . . . . . . . . . . . . . . . . . . 19
         3.4.3.1 PID Request Message Procedures . . . . . . . . . . . 20
       3.4.4 PID Response Message . . . . . . . . . . . . . . . . . . 21
         3.4.4.1 PID Response Message Procedures  . . . . . . . . . . 22
       3.4.5 PID Release Message  . . . . . . . . . . . . . . . . . . 22
         3.4.5.1 PID Release Message Procedures . . . . . . . . . . . 23
     3.5 Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . 24
       3.5.1  Message Summary . . . . . . . . . . . . . . . . . . . . 24