Table of Contents
2.5 ISDN & ATM
Integrated Services Digital Networks - ISDN
Principles & Goals of ISDN - late 1950s early 60s
The User / Customer Interface
ISDN User Interface Standards - Architecture
ISDN Channel Structures
Broadband ISDN & ATM
B-ISDN Transmission Services
B-ISDN & ATM Protocol Architecture
ATM Network Interfaces
Asynchronous Transfer Mode
ATM Multiplexing
ATM Cells vs Frames
The ATM Cell Structure
Classes of Services (AALs)
ATM Adaptation Layer-AAL => class of service
ATM Layers
Physical Layers
Access Control & Policing
Virtual Paths & Virtual Circuits
Virtual Circuits & Virtual Paths
ATM Switching
ATM Switch Requirements
SONET Optical Channel Rates
OC-3 SONET Frames = 2430 bytes at 155 Mb/ s
OC-N SONET Frames = N * 51.84 Mb/ s
DS3 Frame ~ 44 Mb/s
Cellular Radio
Personal Communications Services (PCS)
Satellite Communications
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Author: Brian Unger
Email: unger@c3.ca
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