Re: [MMUSIC] late dtls-id request

Christer Holmberg <christer.holmberg@ericsson.com> Thu, 09 March 2017 12:39 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Martin Thomson <martin.thomson@gmail.com>
Thread-Topic: [MMUSIC] late dtls-id request
Thread-Index: AQHSmJL+8NznZvzlM0+mOBw/rTGY+6GMHceAgAAHeYD//+KZgIAAfOIA
Date: Thu, 9 Mar 2017 12:39:16 +0000
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] late dtls-id request
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Hi,

>>But, I assume we can make that assumption also with 255.
>
>For that, 20 would be plenty.
>
>Note that you only require 32 bits of randomness (which fits in the
>minimum of 6 characters), which is not quite enough to provide
>global-scale uniqueness.  20 pretty much is going to do that (assuming
>6 bits per character, which base64 would allow).
>
>FWIW, I would be happier if you moved the 32 bit requirement to 120
>and raised the minimum to 20, but that's a much bigger change.

If people think such change would be useful I personally have no problem
implementing it.

But, I¹d like to hear what Roman & others think.

Regards,

Christer