ip_sonet - IP over SONET IP over SONET An Introductory...

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Shaheedul Huq Page 1 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration IP over SONET An Introductory Overview of Packet over SONET Technologies Shaheedul Huq Optical Networks Data Integration
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Shaheedul Huq Page 2 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration Contents SONET, IP, and ATM OSI Model IP/ATM over SONET Implementation of IP over SONET Why is Internet growing Paradigm shift in Traffic Pattern NSP Backbone choice Nortel IP over SONET Projects Dakota IP-MUX Avici TSR Future Networks
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Shaheedul Huq Page 3 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration Basic Building Blocks SONET, ATM, and IP SONET - Well-defined, standard way of transmitting information over fiber-optic systems. It is physical layer transport mechanism and considered the most efficient carrier of the signals ATM- Multiplexing and switching standard designed to organize voice, data, and video information into 53 byte cells. Five byte of each fixed- legth cell contain the ATM overhead - critical information about how that cell is to be handled in the network. IP- Internet Protocol is the packet-based routing system used in Internet, Intranet, Extranet communications. IP over SONET- is an application, and it will have usage at the edge of the networks.
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Shaheedul Huq Page 4 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration The 7 layers of Networking Application Presentation Session Transport - TCP, TP4, UDP etc Network - IP, X.25, Appletalk, etc Data Link - Ethernet, Token ring, FDDI, PPP, ISDN, Frame Relay, etc Physical - SONET/SDH, Fiber, WDM, COAX, etc
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Shaheedul Huq Page 5 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration Protocol Stack Analogy Bulky Items Brochures Letters Boxes Envelopes Mail Bag Airplanes Mail Trucks L a y e r 1 2 4 3 H i g h s
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Shaheedul Huq Page 6 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration Physical Network Data Link Transport Session Presentation Application TCP, TP4 IP routing Ethernet, FR ATM, PPP SONET, DSx IP Layers routing switching TCP/IP in OSI model
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Shaheedul Huq Page 7 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration What’s good about IP over ATM • Fast Switching implementation in hardware • Provides multicasting to send signal to multiple points • Can create virtual paths/channels - can carry multiple customers traffic without security concerns • Easier to create a virtual private network
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Shaheedul Huq Page 8 Date: 08/13/98 Version: 0.4 Subject: IP over SONET Optical Networks Data Integration IP/ATM over SONET IP ATM SONET Is “ATM” layer really necessary?
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ip_sonet - IP over SONET IP over SONET An Introductory...

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