Re: PROs/CONs of SIP/PIP/TUBA

Tony Whyman <whyman@mwassocs.demon.co.uk> Tue, 18 May 1993 09:56 UTC

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Date: Tue, 18 May 93 08:29:45 BST
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From: Tony Whyman <whyman@mwassocs.demon.co.uk>
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To: Day@bbn.com
Cc: pip <@caldera.usc.edu:pip@thumper.bellcore.com.sip>, tuba@lanl.gov
Reply-To: whyman@mwassocs.demon.co.uk
Subject: Re: PROs/CONs of SIP/PIP/TUBA
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John,

In your reply to Eric Fleischman, there's a point which I think should be 
developed further:


> >                                 SIP Con
> >
> >1)  Since hierarchical addresses tend to be deployed in a "sparse" manner,
> >it unclear whether a 64 bit address space will adequately scale to meet
> >every conceivable future addressing scenario.
> 
> It is pretty clear that any fixed length will never be enough.

This is a very significant issue as regards IPng selection and should be taken 
up on the "criteria" list. Built-in obsolescence should no longer be an 
acceptable feature of a communications protocol.




-- 
Tony Whyman             McCallum Whyman Associates Ltd  Tel +44 962 735580
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