This video is a complete guide to understanding FDDI network architecture.
In this video you're going to show you:
What is Fiber Distributed Data Interface? 0:12
FDDI Transmission Media 0:58
Why is Fiber better than Copper?
Single Mode Fiber / Multimode Fiber 2:05
FDDI Specifications 3:35
Media Access Control (MAC) 4:21
Physical Layer Protocol (PHY) 4:37
Physical Medium Dependent (PMD) 4:44
Station Management (SMT) 4:58
FDDI Station-Attachment Types 5:35
Single-attachment station (SAS)
Dual-attachment station (DAS)
Single-attached concentrator (SAC)
Dual-attached concentrator (DAC)
FDDI Fault Tolerance 6:59
Dual Ring 7:18
Optical Bypass Switch 8:31
Dual Homing 9:20
FDDI Frame Format 10:00
FDDI Frame Fields:
Preamble 10:25
Start delimiter 10:31
Frame control 10:40
Destination address 10:50
Source address 11:03
Data 11:15
Frame check sequence (FCS) 11:23
End delimiter 11:44
Frame status 11:52
CDDI - Copper Distributed Data Interface 12:05
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References:
Internetworking Technologies Handbook by CISCO https://amzn.to/3gAytCl