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Auth Header Length

To: ipsec@ans.net
Subject: Auth Header Length
From: "William Allen Simpson" <Bill.Simpson@um.cc.umich.edu>
Date: Mon, 20 Mar 95 09:55:12 GMT

I have been thinking that it would be a minor simplification of my
header processing to have the header length as the first byte, instead
of the second.

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |     Length    |  Next Header  |           Reserved            |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                        Parameter Index                        |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                                                               |
   ~                      Authentication Data                      ~
   |                                                               |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

This allows Header Compression to be somewhat simpler.

Any objections?

Bill.Simpson@um.cc.umich.edu

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