Re: [tsv-area] TSVAREA presentation slots for Stockholm

[Lloyd Wood <[e-mail]>]

On 5 Jun 2009, at 18:23, Joe Touch wrote:
> Lloyd Wood wrote:
>>
>> On 5 Jun 2009, at 17:28, Joe Touch wrote:
>>> Lloyd Wood wrote:
>>>>
>>>> On 5 Jun 2009, at 15:54, Joe Touch wrote:
>>>>> Lloyd Wood wrote:
>>>>> ...
>>>>>> Do the internals of TCP change when it's running over IPv4 vs  
>>>>>> IPv6?
>>>>>> Does the interface to upper layers change?
>>>>>
>>>>> Actually, yes - the pseudoheader over which the checksum is  
>>>>> computed
>>>>> channges. So too does ICMP signalling, setting of the DF bit for
>>>>> fragmentation discovery (clearing it doesn't have the same  
>>>>> effect in v6
>>>>> as in v4), etc.
>>>>
>>>> ...so, by analogy, there's likely a need to describe HTTP over  
>>>> different
>>>> transports, what is different, and what changes.
>>>
>>> Yes - I thought that's where they were going with the SCTP stuff.
>>
>> Right. But are there more general 'HTTP over transport X' rules or
>> conventions that need to be described?
>
> I'd hope that a general decoupling would be useful, then a set of
> mappings, one for each transport. That sort of regularity hasn't been
> common - either in the IETF as a whole or in the past evolution of  
> HTTP,
> though ;-)
>
> Are we trying to encourage them to do that, or just overseeing how it
> evolves?

Neither. We're interested in using the result, even if we have
to describe it ourselves.

http://tools.ietf.org/html/draft-wood-dtnrg-http-dtn-delivery
http://tools.ietf.org/html/draft-wood-tae-specifying-uri-transports
http://personal.ee.surrey.ac.uk/Personal/L.Wood/publications/internet-drafts/draft-wood-dtnrg-http-dtn-delivery/lloyd-wood-http-dtn-delivery-ietf-71-dtnrg-session.pdf

DTN work: http://info.ee.surrey.ac.uk/Personal/L.Wood/saratoga/

<http://info.surrey.ac.uk/Personal/L.Wood/><[e-mail]>