2002 - cesnet

communication. In 2002, we began to offer this service for routine operation,including calls to the public telephony network for reasonable rates.The research part of the project focuses on new technologies and solutions inthis area. We have focussed particularly on the search for a suitable platformfor the operation of a wider network of IP phones and on experiments with theSIP signalling protocol. We have also been developing our own application forthe registration and billing of calls in the IP telephony network.As regards the research into the Quality of Services in High-speed Networks, wehave focused in particular on the research of mechanisms for QoS. We measuredthe real parameters of several available solutions. In addition, we turnedto simulating the behaviour of the TCP protocol and the possibilities of its optimisationin high-speed networks.We have also become involved in the preparation of the European activitytitled Performance Response Team, proposing a presentation of an End-to-endperformance cookbook. We are now working on its content.2.3 International ProjectsSince 2001, we have been involved in the solution of the 5 th EU Framework program,DataGrid, oriented on the creation of an extensive computing and datainfrastructure. CESNET has taken care of the logging and security services.Last year’s work concerning the logging service was split into two parts. In onepart, we maintained and developed version 1, extended by the project managementto February 2003. In the other part, we were developing version 2 of thisservice, which will offer a range of new properties.We became involved in the preparation of the continuation of our project withinthe 6 th EU Framework Program. Together with our colleagues from Poland,Slovakia, Hungary and Austria, we decided to set up the Central European GridConsortium, with the objective of strengthening our position in the project.SCAMPI is one of the projects of the 5 th EU Framework Program. The basic objectiveis to monitor high-speed networks and develop monitoring tools. Theproject was launched on 1 April 2002. We have participated primarily in a taskaiming at verifications – experiments and facility testing. CESNET is the leaderof this partial task.Concerning the fact that the project has been left by a Greek supplier whowas to develop a card for network monitoring, the researchers of the SCAMPIproject expressed their interest in the COMBO6 card, developed in our IPv6project. We are therefore considering the development of a special version ofthis card, adjusted for the needs of monitoring and measurement.14 High-speed National Research Network and its New Applications 2002