NG SDH Forum

Forum about current activities in Next Generation SDH (NG SDH / NG SONET)

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It is currently Wed Mar 17, 2010 7:11 am

  • Upcomming Standards
    Currently discussed changes / ammendments to existing standard documents OR suggestions for future developments in the SDH/SONET family
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  • Trends in Line Speed and Media
    News about speed increments (including allowed media, allowed distances etc.)
    1 Topics
    1 Posts
    Last post by knoll View the latest post
    Thu May 11, 2006 12:17 am
  • Contiguous concatenation (CCAT)
    Contiguous concatenation (CCAT) is a mechanism, which allows container concatenation by means of invers multiplex of STS / VC containers.
    1 Topics
    1 Posts
    Last post by Guest View the latest post
    Sun Oct 08, 2006 1:07 am
  • Virtual Concatenation (VCAT)
    Virtual Concatenation (VCAT) is a mechanism, which allows virtual container concatenation of arbitrary size by means of X.86 or Generic Framing Procedure (GFP) protocols in order to map payloads of arbitrary bandwidth into the virtually concatenated container.
    1 Topics
    1 Posts
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  • Link Capacity Adjustment Scheme (LCAS)
    Link Capacity Adjustment Scheme (LCAS) is a dynamic concatenation scheme for virtually concatenated containers. Its dynamic character allows for adjustment to short-term bandwidth needs of network.
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  • Generic Framing Procedure (GFP)
    Generic Framing Procedure (GFP) is the upcomming protocol for asyncronous data packet transport over any media (including dark fibre).
    1 Topics
    1 Posts
    Last post by knoll View the latest post
    Wed May 10, 2006 5:11 pm
  • G.711 / PCM Basics
    Traditional uncompressed voice coding is standardized in G.711 (Pulse-Code Modulation - PCM). This forum discusses such PCm-related issues
    1 Topics
    1 Posts
    Last post by knoll View the latest post
    Tue Jun 13, 2006 11:49 am
  • PDH Basics
    Forum on basic details for Plesiochronous Digital Hierarchy (PDH) networks. (bit stuffing etc.)
    1 Topics
    1 Posts
    Last post by knoll View the latest post
    Tue Jun 27, 2006 7:49 pm
  • SONET / SDH Basics
    Forum on basic details for Synchronous optical networks (SONET) and Synchronous Digital Hierarchy (SDH) networks. (byte-aligned multiplex, pointer technique etc.)
    1 Topics
    1 Posts
    Last post by fixcomm View the latest post
    Tue Jul 14, 2009 8:28 am
  • Chips for Next Generation SDH / SONET
    SDH concatenation mechanisms (such as VCAT, GFP and LCAS) calls for new chips and chipsets supporting VC mapping etc.
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  • Network equipment for Next Generation SDH / SONET
    Network equipment (Transport Equipment, Digital Cross-Connects, Digital Loop Carriers, and Associated Modules) supporting Next Generation SDH / SONET functionality such as VCAT, GFP etc.
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