Re: [p2pi] Information in an ALTO protocol

[David R Oran <[e-mail]>]

On Aug 27, 2008, at 12:51 PM, Lisa Dusseault wrote:

>
> On Aug 25, 2008, at 12:25 PM, David R Oran wrote:
>>
>> Many client/server protocols are were initially designed to be
>> strictly two party, with no architectural support for proxies or  
>> other
>> stateful intermediaries (HTTP and RTSP come to mind...there are  
>> likely
>> many others).
>>
>> It may behoove us to build proxy capability into ALTO from day 1,
>> since it will almost inevitably have to be added later at some level
>> of pain, perhaps large, and almost assuredly some undesirable  
>> security
>> tradeoffs.
>
> You're making the assumption now, that ALTO will need to add proxies  
> or intermediaries ("will almost inevitability").  I don't really  
> have evidence that you're wrong about that, but I also don't see the  
> use cases right now.  Do you have anything specific in mind?
>
Yeah:
1. my ISP runs a redirector to their "transparent" ALTO server so I  
can't get directly to the one I want to get to.
2. My P2P "community" wants to cache and do lookaside stuff to provide  
more globally optimized swarm spreading. So, I use their Alto "proxy"  
and let them help decide who needs to be asked for what.


>>
>>
>> This probably involves at least the following:
>> - separating our end-to-end from ho--by hop (transport layer?)  
>> security
>> - clear data model separation between things used to "route" requests
>> and things used to interpret queries.
>> - a flexible addressing model
>> - a way to aggregate and summarize in responses
>
> These are good architectural principles to remember while writing  
> and reviewing drafts, assuming they can be followed without falling  
> into the trap of designing the be-all and end-all system.
>
> -- Lisa
>
>>
>>
>> and likely a bunch of other considerations I'm missing in the above.
>>
>> DaveO.
>>
>>> Thanks,
>>>
>>> - vijay
>>> -- 
>>> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
>>> 2701 Lucent Lane, Rm. 9F-546, Lisle, Illinois 60532 (USA)
>>> Email: vkg@{alcatel-lucent.com,bell-labs.com,acm.org}
>>> WWW:   http://www.alcatel-lucent.com/bell-labs
>>> _______________________________________________
>>> p2pi mailing list
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>>> https://www.ietf.org/mailman/listinfo/p2pi
>>
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>

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