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ipos_hctu - An Introductory Overview of Packet over SONET...

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Shaheedul Huq Page 1 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration An Introductory Overview of Packet over SONET Technologies and Optical Internet Shaheedul Huq Optical Networks Data Integration
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Shaheedul Huq Page 2 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration Contents Contents OSI Model Packet over SONET Growth of Internet Nortel PoS Projects Dakota, IP-MUX, ??? Optical Internet CANARIE, CA*net 3 Avici TSR
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Shaheedul Huq Page 3 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration The 7 layers of Networking 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 4 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration Protocol Stack Analogy Protocol Stack Analogy Bulky Items Brochures Letters Boxes Envelopes Mail Bag Airplanes Mail Trucks Layer 1 Layer 2 Layer 4 Layer 3 Higher Layers
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Shaheedul Huq Page 5 Date: October 23, 1998 Subject: IP over SONET and Optical Internet 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 TCP/IP in OSI model
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Shaheedul Huq Page 6 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration Packet over SONET Packet over SONET Packet-Over-SONET is the serial transmission of data over SONET frames through the use of Point-to-Point Protocol (PPP). RFC 1619, “PPP over SONET/SDH” RFC 1662, “PPP in HDLC-like Framing” a high-speed WAN transport that leaves LAN traffic in its native format
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Shaheedul Huq Page 7 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration Internet Growth Internet Growth Internet hosts growing exponentially Web users expected to reach 160M by 2000 TCP-WWW now accounts for 75% of traffic Traffic type changing rapidly from text to image to video World Wide Web Users (Millions) 0 100 200 1996 1997 1998 1999 2000 150 50 Data Sizes (kbytes) 0 100 10000 E-mail Image Hi Res Image Movie 1000 10 File 250 200 150 100 50 1997 1998 1999 2000 Traffic Projections for Voice & Data Rel. Bit Volume Voice Data (IP)
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Shaheedul Huq Page 8 Date: October 23, 1998 Subject: IP over SONET and Optical Internet Optical Networks Data Integration Paradigm shift Paradigm shift 20% 80% Workgroup Workgroup 20% 20% 80% Backbone New 80-20 Rule SONET Transport IP Transport IP-based full service network taking advantage of natural IP capabilities: simplicity, scalability, multicasting IP layer three Quality of Service (QoS) Network Traffic Pattern Turning Upside Down!
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