A Usage for Shared Resources in RELOAD (ShaRe)
draft-knauf-p2psip-share-02

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Last updated 2011-10-24 (latest revision 2011-07-11)
Replaced by draft-ietf-p2psip-share, rfc8076
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P2PSIP Working Group                                            A. Knauf
Internet-Draft                                                   G. Hege
Intended status: Standards Track                            T C. Schmidt
Expires: April 26, 2012                                      HAW Hamburg
                                                            M. Waehlisch
                                                    link-lab & FU Berlin
                                                        October 24, 2011

             A Usage for Shared Resources in RELOAD (ShaRe)
                      draft-knauf-p2psip-share-02

Abstract

   This document defines a RELOAD Usage for managing shared write access
   to RELOAD Resources.  Shared Resources in RELOAD (ShaRe) form a basic
   primitive for enabling various coordination and notification schemes
   among distributed peers.  Access in ShaRe is controlled by a
   hierarchical trust delegation scheme maintained within an access
   list.  A new USER-CHAIN-ACL access policy allows authorized peers to
   write a Shared Resource without owning its corresponding certificate.
   This specification also adds mechanisms to store Resources with a
   variable name which is useful whenever peer-independent rendezvous
   processes are required.

Status of this Memo

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Copyright Notice

   Copyright (c) 2011 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

Knauf, et al.            Expires April 26, 2012                 [Page 1]
Internet-Draft                    ShaRe                     October 2011

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Shared Resources in RELOAD . . . . . . . . . . . . . . . . . .  5
     3.1.  Mechanisms for Isolating Stored Data . . . . . . . . . . .  6
   4.  Access Control List Definition . . . . . . . . . . . . . . . .  7
     4.1.  Overview . . . . . . . . . . . . . . . . . . . . . . . . .  7
     4.2.  Data Structure . . . . . . . . . . . . . . . . . . . . . .  8
   5.  Extension for Variable Resource Names  . . . . . . . . . . . . 10
     5.1.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . 10
     5.2.  Data Structure . . . . . . . . . . . . . . . . . . . . . . 10
     5.3.  Overlay Configuration Document Extension . . . . . . . . . 11
   6.  Access Control to Shared Resources . . . . . . . . . . . . . . 13
     6.1.  Granting Write Access  . . . . . . . . . . . . . . . . . . 13
     6.2.  Revoking Write Access  . . . . . . . . . . . . . . . . . . 14
     6.3.  Validating Write Access through an ACL . . . . . . . . . . 14
     6.4.  Operations of Storing Peers  . . . . . . . . . . . . . . . 15
     6.5.  Operations of Accessing Peers  . . . . . . . . . . . . . . 15
     6.6.  USER-CHAIN-ACL Access Policy . . . . . . . . . . . . . . . 15
   7.  ACL Kind Definition  . . . . . . . . . . . . . . . . . . . . . 17
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 18
     8.1.  Resource Exhaustion  . . . . . . . . . . . . . . . . . . . 18
     8.2.  Malicious or Misbehaving Storing Peer  . . . . . . . . . . 18
     8.3.  Privacy Issues . . . . . . . . . . . . . . . . . . . . . . 18
   9.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 19
   10. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 20
   11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 21
     11.1. Normative References . . . . . . . . . . . . . . . . . . . 21
     11.2. Informative References . . . . . . . . . . . . . . . . . . 21
   Appendix A.  Change Log  . . . . . . . . . . . . . . . . . . . . . 22
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