[Sipping] Discussion on draft-vanelburg-sipping-private-network-indication-01
"Hans Erik van Elburg" <hanserik.van.elburg@ericsson.com> Wed, 12 March 2008 10:22 UTC
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Thread-Topic: Discussion on draft-vanelburg-sipping-private-network-indication-01
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From: Hans Erik van Elburg <hanserik.van.elburg@ericsson.com>
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Subject: [Sipping] Discussion on draft-vanelburg-sipping-private-network-indication-01
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Having gone through the comments raised in the meeting, i have to conclude that in some twisted way they tell me that what we are trying to do has to be done as a P- header. (So we might have answered the question on the final slide without having had the chance to present it.) Following observations might lead to that conclusion: - This is not an end to end header to be inserted by end user devices. I think that should address the "this smells like a service identifier" comment. It is not a service identifier, period. It has nothing to do with services provided to an end user. This is explained in the draft, and is why the P-Asserted-Service header field can not be used. - In setups that are using it, it shall never be accepted from an entity outside the trustdomain. This in itself indicates that we are talking about some form of closed network and hence a P- header seems more appropriate. Then there where concerns on the use of the term private network traffic as being inappropriate or undefined, the draft does define the term though: 3.2. Private network traffic Traffic sent to or received from a public telecommunication network for processing according to an agreed set of rules specific to an enterprise or a community of closely related enterprises. My question is given this rather clear definition does this concern still hold? Any suggestion as to what needs to be clarified/reworded? Then there where questions on what makes an entity/proxy decide to insert such an indication. We will add some examples. However noting that we can not specify this behaviour in detail as it depends heavily on the business agreements/arrangement in a particular deployment. /Hans Erik
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- [Sipping] Discussion on draft-vanelburg-sipping-p… Hans Erik van Elburg