A Generic Autonomic Signaling Protocol (GRASP)
draft-ietf-anima-grasp-03

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Replaces draft-carpenter-anima-gdn-protocol
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Network Working Group                                         C. Bormann
Internet-Draft                                   Universitaet Bremen TZI
Intended status: Standards Track                       B. Carpenter, Ed.
Expires: August 27, 2016                               Univ. of Auckland
                                                             B. Liu, Ed.
                                            Huawei Technologies Co., Ltd
                                                       February 24, 2016

             A Generic Autonomic Signaling Protocol (GRASP)
                       draft-ietf-anima-grasp-03

Abstract

   This document establishes requirements for a signaling protocol that
   enables autonomic devices and autonomic service agents to dynamically
   discover peers, to synchronize state with them, and to negotiate
   parameter settings mutually with them.  The document then defines a
   general protocol for discovery, synchronization and negotiation,
   while the technical objectives for specific scenarios are to be
   described in separate documents.  An Appendix briefly discusses
   existing protocols with comparable features.

Status of This Memo

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   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (http://trustee.ietf.org/license-info) in effect on the date of

Bormann, et al.          Expires August 27, 2016                [Page 1]
Internet-Draft                    GRASP                    February 2016

   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Requirement Analysis of Discovery, Synchronization and
       Negotiation . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Requirements for Discovery  . . . . . . . . . . . . . . .   4
     2.2.  Requirements for Synchronization and Negotiation
           Capability  . . . . . . . . . . . . . . . . . . . . . . .   6
     2.3.  Specific Technical Requirements . . . . . . . . . . . . .   8
   3.  GRASP Protocol Overview . . . . . . . . . . . . . . . . . . .  10
     3.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .  10
     3.2.  High-Level Design Choices . . . . . . . . . . . . . . . .  11
     3.3.  GRASP Protocol Basic Properties and Mechanisms  . . . . .  15
       3.3.1.  Required External Security Mechanism  . . . . . . . .  15
       3.3.2.  Transport Layer Usage . . . . . . . . . . . . . . . .  16
       3.3.3.  Discovery Mechanism and Procedures  . . . . . . . . .  16
       3.3.4.  Negotiation Procedures  . . . . . . . . . . . . . . .  19
       3.3.5.  Synchronization and Flooding Procedure  . . . . . . .  20
     3.4.  High Level Deployment Model . . . . . . . . . . . . . . .  21
     3.5.  GRASP Constants . . . . . . . . . . . . . . . . . . . . .  22
     3.6.  Session Identifier (Session ID) . . . . . . . . . . . . .  22
     3.7.  GRASP Messages  . . . . . . . . . . . . . . . . . . . . .  23
       3.7.1.  Message Overview  . . . . . . . . . . . . . . . . . .  23
       3.7.2.  GRASP Message Format  . . . . . . . . . . . . . . . .  23
       3.7.3.  Discovery Message . . . . . . . . . . . . . . . . . .  24
       3.7.4.  Discovery Response Message  . . . . . . . . . . . . .  25
       3.7.5.  Request Messages  . . . . . . . . . . . . . . . . . .  25
       3.7.6.  Negotiation Message . . . . . . . . . . . . . . . . .  26
       3.7.7.  Negotiation End Message . . . . . . . . . . . . . . .  26
       3.7.8.  Confirm Waiting     Message . . . . . . . . . . . . .  27
       3.7.9.  Synchronization Message . . . . . . . . . . . . . . .  27
       3.7.10. Flood Synchronization Message . . . . . . . . . . . .  27
       3.7.11. No Operation Message  . . . . . . . . . . . . . . . .  28
     3.8.  GRASP Options . . . . . . . . . . . . . . . . . . . . . .  28
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