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Re: [Insipid] Pre-WGLC INSIPID Session-ID Review Comments

Christer Holmberg <christer.holmberg@ericsson.com> Fri, 12 September 2014 20:26 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: "Paul E. Jones" <paulej@packetizer.com>, "Adam Gensler (agensler)" <agensler@cisco.com>
Thread-Topic: [Insipid] Pre-WGLC INSIPID Session-ID Review Comments
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Date: Fri, 12 Sep 2014 20:26:34 +0000
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Subject: Re: [Insipid] Pre-WGLC INSIPID Session-ID Review Comments
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Hi Paul,

>>You need to give people technical reasons why they reasons they modify 
>>Call-ID don't apply to Session-ID. "Because the draft says so" is not 
>>such reason :)
>
>How about we modify the first paragraph of Section 7 to read this way:
>
>"In order to ensure the integrity of the end-to-end session identifier, intermediaries, such as proxies >or session border controllers, MUST NOT alter the UUID values found in the Session-ID header, >except as described in this section."
>
>Would that help or do you think we need something else?

Unfortunately I don't think it will help.

No matter what the spec says, intermediaries will modify the header field if they see a need to do so. You need to describe why such need does not occur for the Session-ID header field.

Regards,

Christer

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