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Re: [6tisch-security] [6tisch] IP-IP-IP example?

Göran Selander <goran.selander@ericsson.com> Fri, 31 March 2017 04:45 UTC

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From: Göran Selander <goran.selander@ericsson.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: Thomas Watteyne <thomas.watteyne@inria.fr>, "6tisch@ietf.org" <6tisch@ietf.org>, "6tisch-security@ietf.org" <6tisch-security@ietf.org>
Thread-Topic: [6tisch] [6tisch-security] IP-IP-IP example?
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Date: Fri, 31 Mar 2017 04:45:09 +0000
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Subject: Re: [6tisch-security] [6tisch] IP-IP-IP example?
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Hi Michael,


> On 30 Mar 2017, at 22:17, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> 
> 
> Thomas, here is an example of a join message header, as seen on the join
> side between pledge and Join Proxy.  Please let me know how I can make this
> more complete for your code. If you want hex dump, I'll do that, but I'll
> have to create a full topology with some addresses.
> 
> Let me do a second email for CoAP proxy example, once you are happy
> with this presentation. I don't have a good idea for size of OSCOAP pieces, I
> will pull those out.

There is a new draft with message overhead calculations for CoAP security protocols (DTLS/TLS/OSCOAP). 

https://tools.ietf.org/html/draft-mattsson-core-security-overhead-00

See Figure 1 at the end of the document for a compilation of the results. 

It wasn't presented in the CoRE WG on Tuesday out of lack of time, so I think it is first on the agenda for the Friday meeting. 

Göran

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