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Subject: Re: [amqp] Addressing Scope Identifiers and Anonymous Terminus
On Fri, Dec 7, 2018 at 1:08 PM Clemens Vasters <clemensv@microsoft.com> wrote:When a scope identifier is used in an link target address and I try, for instance, to attach to âtarget:(example.com)â, Iâm practically asking for a link route to example.comâs anonymous terminus. Thus, implicitly, for a container that supports routing, any scope-identifier maps to a logical routing node.
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Now, when I finally get to example.com, âtarget:(example.com)â isnât describing the anonymous terminus because the address isnât empty.
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Because in AMQP 1.0 2.6.3, the target is explicitly permitted to update the properties of a link as it sends its accepting attach frame, I now plan to mandate in the addressing spec that containers that claim ownership of a given scope-identifier always strip that scope identifier from the updated link properties as they respond to attach.
That then results in âtarget:(example.com)â turning into âtarget:â and is therefore the anonymous terminus.
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Thoughts?
Can this also be applied to dynamic termini? i.e. can an endpoint request a link-route to a dynamic source on example.com?Â
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Clemens Vasters
Messaging Platform Architect
Microsoft Azure
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