Hello, dear members of the ITG Working Groups 521 and 524, of the Extended Executive Committee of KUVS, of the Members of the Interest Group MMB, of the Institute IKR,

the International Teletraffic Congress (ITC) is by far the most experienced scientific and engineering conference dealing with performance modelling, traffic measurements and quality of service engineering. for telecommunications and computer networks. I am proud of having chaired the Int. Advisory Council (IAC) of the ITC for 16 years; since 2007 the new chairman/co-chairman are Prosper Chemoul/Professor Tran-Gia of Orange-FT-Group and the University of Wuerzburg, respectively.

I contact you to draw your attention to two conference programs of the ITC in 2009:

1. 21st ITC World Congress Paris, France, September 15 - 17, 2009 Web: http://www.i-teletraffic.org/itc21/call-for-papers/ Submission Deadline: February 1st, 2009

2. 20th ITC Specialist Seminar on "Network Virtualization - Concepts and Performance Aspects" Hoi An, Viet Nam, May 18- 20, 2009 Web: http://www.itcspecialistseminar.com/itcss20/ Submission Deadline: January 12, 2009

You can find more details about these conferences at the websites.

I would like to encourage you and members of your team to submit papers to these conferences or to solicit papers of experts in your community. German experts have formed traditionally a strong group in the ITC; the ITG Working Groups 521 and 524 as well as the GI/ITG Joint Working Groups on Communications and Distributed Systems(KUVS) and on Measuring, Modelling and Evaluation of Computer and Communication Systems (MMB) reflect the high engagement of German experts from academia, equipment vendor industries and network operators in the related topics of performance modelling and engineering. During the last 8 years a new international conference series has been established, the Polish-German Teletraffic Symposium aiming at similar topics as the ITC. Several research teams from Germany participate in the Network of Excellence and other Research Programs of the European Union, dealing with the Next Generation Internet and Communication networks. The new Excellence Initiative of the DFG and German Government led to the foundation of Excellence Clusters dealing with topics of advanced research on mobile communications, simulation technologies and information technologies. So I think there is a graet potential for possible contributions from these communities to ITC events.

Thank you very much for your cooperation !

Best regards,

Paul J. Kuehn Chairman Emeritus of IAC of ITC