Re: [p2pi] Charter and problem statement

[stefano previdi <sprevidi at cisco.com>]

> From: Laird Popkin <laird at pando.com>
> 
> Stefano,
> 
>    Yes, I am suggesting that ALTO should make cache entities explicit to ALTO
> clients. And the means of doing so should be standardized so that there is
> interoperability. It could be expressed in the ALTO specification itself, or
> via the extension mechanism, of course.

now we'll have to explore what kind of cache-specific bits we want to
standardize in the ALTO protocol... I have the feeling is going to be quite
vast...

My point was to keep the ALTO protocol agnostic enough in order to provide a
generic protocol between ALTO providers/consumers. Having some bits in the
request/response related to a cache entity/object, it's fine but I'm not
sure how far we can go without significantly impacting the protocol engine.

s.
 
> 
> - Laird Popkin, CTO, Pando Networks
>   mobile: 646/465-0570
> 
> ----- Original Message -----
> From: "Stanislav Shalunov" <shalunov at shlang.com>
> To: "stefano previdi" <sprevidi at cisco.com>, "Laird Popkin" <laird at pando.com>,
> "Enrico Marocco" <enrico.marocco at telecomitalia.it>
> Cc: p2pi at ietf.org
> Sent: Tuesday, July 15, 2008 7:36:34 PM (GMT-0500) America/New_York
> Subject: RE: [p2pi] Charter and problem statement
> 
> The information conveyed to the client needs to enable the client to find a
> nearby cache (or three).  Whether this information blob can be called opaque
> then is a semantic question, but to me, calling it opaque is misleading.
> 
> Anything opaque is transparent to something higher up the stack. For example,
> should we use DNS to find the cache, the information is opaque on DNS layer.
> It is no longer opaque when it is used.
> 
> If it is to allow any client to find the cache, it's not opaque to ALTO.
> 
> 
> 
> -----Original Message-----
> From: "stefano previdi" <sprevidi at cisco.com>
> To: "Laird Popkin" <laird at pando.com>; "Enrico Marocco"
> <enrico.marocco at telecomitalia.it>
> Cc: p2pi at ietf.org
> Sent: 7/15/08 6:41 AM
> Subject: Re: [p2pi] Charter and problem statement
> 
> Laird,
> 
> do you suggest to make the cache entity explicit in the ALTO protocol
> semantic ? 
> 
> Or is it just part of the opaque protocol data the algorithm (not under
> standardization at this point) will work with ?
> 
> I'd vote for the latter...
> 


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