Sonet

SONET/SDH Smita Rai, Anpeng Huang, Suman Sarkar 04/30/2006 rapscallion 1 Outline opening SONET technology Architecture Frames SONET Networks Point-to-point Rings Next contemporaries SONET Why NG-SONET? practical(prenominal) Concatenation (VCAT) Link Capacity valuation account intent (LCAS) Generic Framing Procedure (GFP) 04/30/2006 Page 2 1 Introduction SONET: Synchronous Optical NETwork measuring for optical telecommunications direct SONET defines optical carrier (OC) levels and electrically similar synchronous dis shopping center signals (STS) for fiber-optic based transmittance hierarchy 04/30/2006 Page 3 Introduction authoritative originally by Bellcore Standardized by Exchange Carriers Standards linkup (ECSA) for American National Standard Institute (ANSI T1.105) Outside US, contain by International Telecommunication Union (ITU) European tantamount(predicate) to SONET: SDH (Synchronous Digital Hie rarchy) 04/30/2006 Page 4 2 Introduction SONETs current place in optical internet Widely deployed Ideal for back squeeze core networks, regional networks, and metro networks Interconnects switches and routers for transport purposes R atomic number 18ly get into within customer premises/access networks (Ethernet, PON, DSL be much economic) 04/30/2006 Page 5 Advantages of SONET Increased bandwidth everywhere tralatitious telecomm system Increased configuration flexibility that supports prospective applications, with shape of transmission rates Reduction in equipment urgency An outgrowth in network reliability And many more 04/30/2006 Page 6 3 SONET Protocol 04/30/2006 Page 7 SONET: A layered Architecture SONETs layered architecture includes a physical (optical) layer, section layer, a line layer, and a path layer. Path Layer literary argument Layer subsection layer Path SONET Layers describe Section animal(prenominal) ADM, Optical Switch or botch link up Path ! origin Section Physical Regenerator Frames Line Section...If you deficiency to get a full essay, consecrate it on our website: OrderCustomPaper.com

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