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- Physical layer
- various transmission media
- kilobits per second to gigabits per second
- ATM Layer
- short fixed-length cells (53 bytes - 48 bytes payload)
- multiplex logical channels within a physical channel
- fixed length cells
very-high-speed switching hardware
- problems with traffic management
- ATM adaptation layer
- AAL 1 - constant bit rate services
- AAL 2 - variable bit rate services
- AAL 3/4 - connectionless services/data protocols
- AAL 5 - Simple and Efficient (SEAL) data protocol
Mahesh Subramanyan, Northeast Parallel Architectures Center at Syracuse University, mahesh@npac.syr.edu