Diameter & Mobile IPv6

A new version of the Diameter Mobile IPv6: Support for Network Access Server to Diameter Server Interaction document has been submitted. This document provides the backend infrastructure support for Mobile IPv6 bootstrapping for the integrated scenario. There is another, related document that provides support for Mobile IPv6 bootstrapping in split scenario


NSIS and RSVP are protocols providing path-coupled signaling to interact with middleboxes along the path of a data flow. They follow the route of the data packets but do not influence routing of packets. NSIS was started as a follow-up activity of RSVP since the latter protocol suffers from a

New IETF Journal available now

The new issue of the IETF Journal – Volume 3, Issue 1 – is now available on http://ietfjournal.isoc.org This journal is quite valuable for those who would like to learn more about the current activities within the IETF. The most recent volume reports about “Routing and Addressing” at IETF#68.

DTNRG Meeting in Dublin

The DTNRG met on May 21st and 22nd 2007 in Dublin, Ireland.  A report was published and it contained a lot of security related information. In 2005 I attended a Dagstuhl workshop and shared my thoughts about security with the group.

New Media Security Requirements Document

We are getting close to the end with the media security requirements document. We have just published another version. The changes are small, namely: R27:   If SRTP keying is performed over the media path, the keying            packets MUST NOT pass the RTP validity check defined in           


RSVP is a path-coupled QoS signaling protocol. NSIS defines a follow-up version of RSVP offering more functionality, as described in a previous blog posting. At an IETF meeting I walked along the streets and found something really interesting — RSVP (Retired Senior Volunteer Patrol):

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