2002 - cesnet

Table of Contents1 Introduction 92 Brief Summary 112.1 Operation of CESNET2 Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112.2 Strategic Projects. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122.3 International Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.4 Other Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Operation of CESNET2 173.1 GÉANT – European Backbone Network . . . . . . . . . . . . . . . . . . . . . . . 173.2 Current Situation concerning CESNET2 and its Development in 2002193.3 Distribution of MBone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213.4 Planned Changes in Backbone Network Topology and Services . . 233.5 Backbone Network Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283.6 Statistical Traffic Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293.6.1 Average Long-term Utilization of Backbone Network Core . 293.6.2 Utilization of Backbone Lines . . . . . . . . . . . . . . . . . . . . . . . . . 293.6.3 Development Tendencies in the Operation of Backbone Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303.6.4 Utilization of External Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . 313.6.5 Development of Tools for Long-term Infrastructure Monitoring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32I Strategic Projects 374 Optical Networks and their Development 394.1 International Collaboration and Global Lambda Network . . . . . . . . 404.1.1 Preparation of the ASTON Project. . . . . . . . . . . . . . . . . . . . . . 414.2 Optical National Research and Education Network – CESNET2 . . . 424.2.1 Generic Network Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . 444.2.2 User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454.2.3 Changes in Generic Structure . . . . . . . . . . . . . . . . . . . . . . . . . 454.2.4 Application of R&D Results . . . . . . . . . . . . . . . . . . . . . . . . . . . 454.3 Deployment of Generic Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454.4 Transition of CESNET2 to Optical Fibres . . . . . . . . . . . . . . . . . . . . . . 464.5 First Mile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494.6 Microwave Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534.6.1 First Mile according to IEEE 802.11a . . . . . . . . . . . . . . . . . . . . 544.7 Optical Devices for CESNET2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56High-speed National Research Network and its New Applications 20023