Subject: [midcom] Semantics #1: PRR behaviour

From: Martin Stiemerling <[email-masked]>
Date: Wed, 20 Nov 2002 00:54:44 +0100

The semantics propose currently that PRR does

- outside address/port allocation for a traditional NAT
- outside and inside address/port allocation for a twice NAT.

But it is really needed to allocate both sides of a twice NAT during a 
PRR transaction or is it sufficient enough to just allocate the outside 
address/port?

The semantics could be simplified if only the outside address/port  is 
allocated (indepent of middlebox type). Or do you see a scenario where 
both sides must be allocated during the PRR transaction?

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