![](/images/backgrounds/125427/bg4b.png)
49
FDDINetwork Architecture 6This chapter provides a brief introduction to the Fiber Distributed Data
Interface (FDDI), and the network architecture described by the following
specifications:
•ANSI/FDDI Physical Media Dependent (PMD) X3.166-1990
•ANSI/FDDI Physical Layer (PHY) X3.148-1988
•ANSI/FDDI Medium Access Control (MAC) X.3.139-1987
•ANSI/FDDI Station Management (SMT) X3.299 R7.3 (formally R7.2.99)
FDDI Network Model page50
FDDI Network Architecture page55
FDDI Failure Recovery page60
FDDI Ring Operation page65
FDDI Performance page66