Smita Rai, Anpeng Huang, Suman Sarkar
04/30/2006
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Outline
Introduction SONET Technology
Architecture Frames
SONET Networks
Point-to-point Rings
Next contemporaries SONET
Why NG-SONET? Virtual Concatenation (VCAT) Link Capacity valuation account Scheme (LCAS) Generic Framing Procedure (GFP)
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Introduction
SONET: Synchronous Optical NETwork Standard for optical telecommunications direct SONET defines optical carrier (OC) levels and electrically homogeneous synchronous dis shopping center signals (STS) for fiber-opticâ€" based transmission hierarchy
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Introduction
true originally by Bellcore Standardized by Exchange Carriers Standards necktie (ECSA) for American National Standard Institute (ANSI T1.
105) Outside US, retained by International Telecommunication Union (ITU) European equivalent to SONET: SDH (Synchronous Digital Hierarchy)
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Introduction
SONETs current place in optical network
Widely deployed Ideal for back squeeze core networks, regional networks, and metro networks Interconnects switches and routers for transport purposes R atomic number 18ly apply within customer premises/access networks (Ethernet, PON, DSL are more economic)
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Advantages of SONET
Increased bandwidth over tralatitious telecomm system Increased configuration flexibility that supports future applications, with shape of transmission rates Reduction in equipment requirement An outgrowth in network reliability And many more …
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SONET Protocol
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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 Line Section Physical ADM, Optical Switch or Cross link up Path origin Section Physical Regenerator
Frames Line Section...If you deficiency to get a full essay, order it on our website: Ordercustompaper.com
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