In-situ Flow Information Telemetry Framework
draft-song-opsawg-ifit-framework-04

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Last updated 2019-09-06
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OPSAWG                                                      H. Song, Ed.
Internet-Draft                                                 Futurewei
Intended status: Informational                                     Z. Li
Expires: March 9, 2020                                           T. Zhou
                                                                  Huawei
                                                                  F. Qin
                                                            China Mobile
                                                                 J. Shin
                                                              SK Telecom
                                                                  J. Jin
                                                                   LG U+
                                                       September 6, 2019

              In-situ Flow Information Telemetry Framework
                  draft-song-opsawg-ifit-framework-04

Abstract

   Unlike the existing active and passive OAM techniques, the emerging
   on-path flow telemetry techniques provide unmatched visibility into
   user traffic, showing great application potential not only for
   today's network OAM but also for future's automatic network
   operation.  Summarizing the current industry practices that addresses
   the deployment challenges and application requirements, we provide a
   closed-loop framework, named In-situ Flow Information Telemetry
   (iFIT), for efficiently applying a family of underlying on-path flow
   telemetry techniques in various network environments.  The framework
   enumerates several key architectural components and describes how
   these components are assembled together to achieve a complete and
   closed-loop working solution for on-path flow telemetry.  Following
   such a framework allows better scalability, fosters application
   innovations, and promotes both vertical and horizontal
   interoperability.

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.

Status of This Memo

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

Song, et al.              Expires March 9, 2020                 [Page 1]
Internet-Draft               iFIT Framework               September 2019

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Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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   described in the Simplified BSD License.

Table of Contents

   1.  Requirements and Challenges . . . . . . . . . . . . . . . . .   3
   2.  iFIT Framework Overview . . . . . . . . . . . . . . . . . . .   4
   3.  Smart Flow and Data Selection . . . . . . . . . . . . . . . .   6
   4.  Export Data Reduction . . . . . . . . . . . . . . . . . . . .   6
   5.  Dynamic Network Probe . . . . . . . . . . . . . . . . . . . .   7
   6.  Encapsulation and Tunnel Modes  . . . . . . . . . . . . . . .   7
   7.  On-demand Technique Selection and Integration . . . . . . . .   8
   8.  Summary and Future Work . . . . . . . . . . . . . . . . . . .   8
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   11. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .   9
   12. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   9
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     13.1.  Normative References . . . . . . . . . . . . . . . . . .   9
     13.2.  Informative References . . . . . . . . . . . . . . . . .   9
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