Re: Port numbers and IPv6 (was: I-D ACTION:draft-klensin-iana-reg-policy-00.txt)

[Iljitsch van Beijnum <iljitsch at muada.com>]

On 15-jul-2005, at 3:25, Ned Freed wrote:

> > It would not make much sense, between 2 hosts you can already have
> > 65536*65536 possible connections*, which should be more than
> > enough(tm) ;) I wonder if there are any hosts actually using more  
> > than
> > 65536 connections at the same time.

> True enough, however, you can only have 65536 connections to a  
> single service
> on a given port.

Sounds like an implementation limitation to me.

Demultiplexing should happen on source and destination IP addresses  
and source and destination port numbers. Assuming the server's IP  
address and port number are given, that allows for a 65536 sessions  
towards each possible IP address connected to the network. That  
should be enough, I'd think.

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