N-GEN
Communications Web-based Seminars ©NGCS
Seminar - An Overview of Communications Technologies
Seminar - An Overview of Communications Technologies
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Module 2 - Data Communications Basics and Legacy Technologies Slide 42 of 45 _________________ __________
Next-Generation Networks - Offering Solution
_________________ __________ The convergence of audio, video and data in enterprise networks has made Ethernet LAN technology evolve from 10 M bps to 100 and 1000 M bps. The Plain Old Telephone Switching network is evolving to accommodate the Internet (voice, video and data) traffic. The next-generation cable networks are aiming for interactive games and entertainment. The next-generation Internet initiatives are being taken for giga bps connections. 100 M and 1000 M bps Ethernet LAN - This technology is available off-the-shelf from Cisco and 3Com. Next-Generation PSTN - Nortel Networks and Lucent Technologies have developed switches to replace class 5 switches in the PSTN to accommodate the Internet traffic. Next-Generation Cable Networks - Optical and SONET have been introduced in the network to accommodate HDTV channels. VOIP and Cable Modem to provide Voice over IP and high speed Internet access. Next-Generation Internet Network - Canada has taken CA*net4 initiative while the Americans have Next Generation Internet (NGI) and Internet 2 initiatives. Internet 2 is an initiative to connect existing high speed networks such as Abiline, vBNS, Internet2 and ARENA (Advanced Research and Education Network Atlas). Internet 2 also has links to international networks such as CA*net3, DREN, Esnet and NREN.
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100 M and 1000 M bps Ethernet LAN
