Re: [ietf-smtp] Mail Transfer Protocol over ACP 142

Alexey Melnikov <alexey.melnikov@isode.com> Sun, 13 August 2017 13:02 UTC

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To: dcrocker@bbiw.net
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From: Alexey Melnikov <alexey.melnikov@isode.com>
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Date: Sun, 13 Aug 2017 14:02:20 +0100
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Subject: Re: [ietf-smtp] Mail Transfer Protocol over ACP 142
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Hi Dave,


On 11/08/2017 18:08, Dave Crocker wrote:
> On 8/11/2017 9:30 AM, Alexey Melnikov wrote:
>> Hi,
>>
>> Based on some work that Isode is doing with gatewaying Internet email 
>> to ACP 142 (*) environments, I wrote a draft 
>> <https://datatracker.ietf.org/doc/draft-melnikov-email-over-pmul/?include_text=1>. 
>> If people can review and provide feedback, that would be much 
>> appreciated.
> ...
>> (*) - ACP 142 defines a transport protocol for reliable multicast in 
>> bandwidth constrained and delayed acknowledgement environments
>
> The draft does not provide a usable citation to 142.  Online search 
> doesn't either.  The best I can find is:
>
>    jcs.dtic.mil/j6/cceb/acps/acp123/ACP123B2014.pdf
One can access ACPs here 
<https://wss.apan.org/s/CCEB/public/Forms/acps.aspx>. One would have to 
create an account, but access is otherwise free. I don't think I can 
post ACP 142 here.

>
> but it produces a failure sequence that displays a yahoo search page.
>
>
> Although the document asserts delays in responses, it doesn't seem to 
> have any discussion about how that affects overall message transfer 
> interactions between client MTAs and server MTAs.  So the document 
> provide necessary 'syntax' for the configuration but seems not to 
> provide a complete 'system' specification that adequately explains 
> overall transaction flow.
>
> d/
>
>