Fiber Distributed Data Interface (5)

• FDDI Specifications

  • FDDI specifies the physical and the media-access portion of the OSI RM
  • FDDI is a collection of 4 specifications:
    • Media Access Control (MAC) - defines frame format, token handling, addressing, error recovery mechanisms, CRC algorithms
    • Physical Layer Protocol (PHY) -defines data encoding/decoding, clocking requirements, framing
    • Physical Medium Dependent (PMD) - defines optical components, bit-error rates, connectors
    • Station Management (SMT) -defines station configuration, ring configuration, ring control features, scheduling, station removal and insertion, statistics collection

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