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Re: [Int-area] IP Protocol number allocation request for Transparent Inter Process Communication (TIPC) protocol

Joseph Touch <touch@strayalpha.com> Mon, 23 March 2020 19:23 UTC

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From: Joseph Touch <touch@strayalpha.com>
In-Reply-To: <e3ce1ee0-d862-dd3e-2dc6-8b2bbf92e1b4@redhat.com>
Date: Mon, 23 Mar 2020 12:23:39 -0700
Cc: int-area <int-area@ietf.org>, Suresh Krishnan <suresh@kaloom.com>
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To: Jon Maloy <jmaloy@redhat.com>
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Subject: Re: [Int-area] IP Protocol number allocation request for Transparent Inter Process Communication (TIPC) protocol
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> On Mar 23, 2020, at 11:40 AM, Jon Maloy <jmaloy@redhat.com> wrote:
> 
>>> At the socket level we are using TIPC service addresses for this, i.e., a {service type, service instance} tuple, each element being a 32-bit integer.
>> 
>> That, IMO, is an ID that belongs *inside* UDP port TIPC. That is YOUR service type/instance, not the Internet’s. The Internet should consider this all a single TIPC service.
> 
> Yes. That why we are asking for a protocol number.

That’s what the Internet calls a UDP port number, not an IP protocol number.

There’s no reason why running over UDP should affect your performance per se.

Finally, if you want to be able to switch IP addresses in the middle of things, you should consider MP-TCP - whether you run over it or emulate how it works.

Joe

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