Site icon Eogogics

SONET/SDH Technology & Design

  • SONET Technology and Terminology
    • SONET digital hierarchy
    • Comparison with the Plesiochronous Digital Hierarchy (PDH)
    • SONET equipment types
    • STS-1 frame format
  • SONET Headers
    • Section Overhead (SOH)
    • Line Overhead (LOH)
    • Path Overhead (POH)
    • Floating payload: SONET pointers
    • Synchronization and accommodating jitter
  • Virtual Tributaries (Containers)
    • VT groups
    • Virtual tributaries pointers
    • SONET VT multiframe
    • SONET mapping of asynchronous DS-1, byte-synchronous DS-1, asynchronous DS-3, and asynchronous DS-4
  • STS-N Frame Format
    • STS-N frame structure
    • Concatenated STS-Nc frame format
    • STS-Nc frame structure.
  • SDH versus SONET
    • SONET vs SDH frame structure
    • STM-1 frame
    • Overhead bytes and their function
    • SDH layers
    • Mapping in SDH: C4 mapping and C-3 mapping examples
    • Hierarchical multiplexing structure
  • SONET/SDH Networking
    • Network survivability architectures
    • Protection topologies: Linear
    • Protection topologies: Ring
    • protection topologies: Mesh
    • Topologies: Rings, # fibers, directionality
    • SONET: Automatic Protection Switching (APS)
    • SONET linear APS
    • Add-Drop Multiplexing (ADM)
    • Digital Cross-Connects (DCC)
  • Current Architectures: Ring Protection
    • Unidirectional Path Switched Ring (UPSR)
    • Bidirectional Line Switched Ring (BLSR/2)
    • Bi-directional Line Switched Ring (BLSR/4)
    • Mesh restoration versus ring/linear protection
  • IP over SONET
    • IP+SONET vs. IP+ATM+SONET
    • IP over Optical Networks (IPO)
    • Packets over SONET (POS)
    • Point-to-Point Protocol (PPP) – RFC1661
  • SONET/SDH Limitations
  • Next Generation SONET/SDH
    • Virtual Concatenation: VCAT
    • SONET channelization and concatenation
    • Virtual concatenation group
    • Link Capacity Adjustment Scheme: LCAS
    • LCAS architecture
  • Generic Framing Procedure (GFP)
    • GFP client signal adaptation
    • GFP frame format
    • Adding GFP on SONET
    • Ethernet over SONET
    • Virtual concatenation for Ethernet
  • Optical Transport Network
    • OTN hierarchical overview
    • Basic transport structure of an OTN
    • OTN transmitter and receiver
    • OTN layer structure
    • OTN interface classes
  • Next Generation Network (NGN)
    • Merging the voice and data worlds
    • Vision of ITU-T NGN
    • Structure of ITU NGN Focus Group (FGNGN)

 

Exit mobile version