Inband Flow Analyzer
draft-kumar-ippm-ifa-00

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Last updated 2018-10-18
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INTERNET-DRAFT                                                  J. Kumar
Intended Status: Experimental                                 S. Anubolu
                                                                J. Lemon
                                                           Broadcom Inc.
                                                             H. Holbrook
                                                         Arista Networks
                                                             A. Ghanwani
                                                                Dell EMC
                                                                  D. Cai
                                                                   H. OU
                                                            AliBaba Inc.
                                                                   Y. Li
                                                                  Huawei
Expires: April 21, 2019                                 October 18, 2018

                          Inband Flow Analyzer
                        draft-kumar-ippm-ifa-00

Abstract

   Inband Flow Analyzer (IFA) records flow specific information from an
   end station and/or switches across a network.  This document
   discusses the method to collect data on a per hop basis across a
   network and perform localized or end to end analytics operations on
   the data.  This document also describes a transport-agnostic header
   definition that may be used for tunneled and non-tunneled flows
   alike.

Status of this Memo

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Kumar, et al.                                                   [Page 1]
INTERNET DRAFT                    IFA                   October 18, 2018

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Copyright and License Notice

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

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.2 Scope  . . . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.3 Applicability  . . . . . . . . . . . . . . . . . . . . . . .  4
     1.4 Motivation . . . . . . . . . . . . . . . . . . . . . . . . .  5
   2. Requirements  . . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.1 Encapsulation Requirements . . . . . . . . . . . . . . . . .  5
     2.2 Operational Requirements . . . . . . . . . . . . . . . . . .  5
     2.3 Cost and Performance Requirements  . . . . . . . . . . . . .  6
   3. IFA Operations  . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.1 IFA Zones  . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.2 IFA Function Nodes . . . . . . . . . . . . . . . . . . . . .  7
       3.2.1 Initiating Function Node . . . . . . . . . . . . . . . .  8
       3.2.2. Transit Function Node . . . . . . . . . . . . . . . . .  8
       3.2.3. Terminating Function Node . . . . . . . . . . . . . . .  8
     3.3 IFA Cloning, Truncation, and Drop  . . . . . . . . . . . . .  8
     3.4 IFA Header . . . . . . . . . . . . . . . . . . . . . . . . .  8
       3.4.1 IFA Option 1 Header  . . . . . . . . . . . . . . . . . . 10
       3.4.2 IFA Option 2 Header  . . . . . . . . . . . . . . . . . . 11
     3.5 IFA Metadata . . . . . . . . . . . . . . . . . . . . . . . . 11
       3.5.1 Global Name Space (GNS) Identifier . . . . . . . . . . . 12
       3.5.2 Local Name Space (LNS) Identifier  . . . . . . . . . . . 12
       3.5.3 Device ID  . . . . . . . . . . . . . . . . . . . . . . . 13
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