[AFS3-std] Fwd: I-D Action: draft-keiser-afs3-xdr-union-06.txt

[Jeffrey Altman]

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-------- Original Message --------
Subject: I-D Action: draft-keiser-afs3-xdr-union-06.txt
Date: Mon, 10 Sep 2012 20:15:38 -0700
From: internet-drafts@ietf.org
Reply-To: internet-drafts@ietf.org
To: i-d-announce@ietf.org


A New Internet-Draft is available from the on-line Internet-Drafts
directories.


	Title           : Extensible XDR Discriminated Union Primitive Type
	Author(s)       : Thomas Keiser
                          Andrew Deason
	Filename        : draft-keiser-afs3-xdr-union-06.txt
	Pages           : 11
	Date            : 2012-09-10

Abstract:
   AFS-3 relies upon XDR to carry Rx RPC call payloads.  XDR
   discriminated unions are ill-suited to cases where the protocol needs
   to evolve without inventing new RPCs, i.e., unknown discriminant
   values cause the entire XDR payload to fail the decoding step.  While
   this can be circumvented through the use of opaque payloads (and
   recursive XDR invocations), such solutions are inelegant and
   difficult to implement.  This memo defines a new XDR primitive type,
   "ext-union", which is derived from the XDR discriminated union
   primitive type, but with two key variations: 1) each leg contains a
   length field, and 2) no default leg is supported.

Internet Draft Comments

   Comments regarding this draft are solicited.  Please include the
   AFS-3 protocol standardization mailing list
   (afs3-standardization@openafs.org) as a recipient of any comments.

AFS-3 Document State

   This document is in state "draft", as per the document state
   definitions set forth in [I-D.wilkinson-afs3-standardisation].


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-keiser-afs3-xdr-union

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-keiser-afs3-xdr-union-06

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-keiser-afs3-xdr-union-06


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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