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Re: R806 - targetting intermediaries

From: Mark Nottingham <mnot@akamai.com>
Date: Wed, 15 Nov 2000 14:52:44 -0800
To: Lucas Gonze <lucas@worldos.com>
Cc: xml-dist-app@w3.org
Message-ID: <20001115145239.Q21040@akamai.com>


Lucas,

I don't disagree with what you're saying, but it strikes me that this may be
too specific for the the requirements document. Anyone else care to comment?

In any case, I think that this will be considered in the specification; I
just don't know that we're ready to make this call now.



On Wed, Nov 15, 2000 at 11:11:18AM -0500, Lucas Gonze wrote:
> R806
> Targeting - XML Protocol must define mechanisms to enable determination of which
> message components are eligible for processing by a particular processing
> intermediary. Message components must be able to be targeted at one or more
> processing intermediaries.
> 
> This is murky about whether the targetting is generic to intermediaries, or an
> intermediary instruction must be shared among multiple intermediaries, or
> whether intermediaries must make themselves known such that they can be
> targeted.
> 
> If I understand this right, and I am not sure that I do, some suggested
> alternate language:
> 
> "In cases where intermediaries within a chain are known by a message sender, it
> must be possible to target message components at distinct intermediaries within
> a chain.  Whether or not intermediaries are known, it must be possible to target
> message components at intermediaries rather than endpoints."
> 
> There may be intermediaries between the originator and the target intermediary
> that have legitimate reasons to hide the target intermediary from the message
> originator.  To address this problem I would add:
> 
> "In cases where intermediaries within a chain are known by a message sender, and
> where intermediaries want to cooperate, it must be possible to target message
> components at distinct intermediaries.  Whether or not intermediaries are known,
> it must be possible to target message components at intermediaries rather than
> endpoints."
> 
> One last point: this full definition may be very difficult to implement well.
> It may be wise to leave this for a second generation of the spec.
> 
> _________
> Lucas Gonze
> WorldOS Corporation
> 109 Ainslie Street
> Brooklyn, NY 11211
> (917) 805-4391
> lucas@worldos.com
> www.worldos.com
> 

-- 
Mark Nottingham, Research Scientist
Akamai Technologies (San Mateo, CA)
Received on Wednesday, 15 November 2000 17:53:17 GMT

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