1. Advanced Operating Systems - Spring 2009 Lecture 23 – Monday April 13st, 2009
Dan C. Marinescu
Office: HEC 439 B.
Office hours: M, Wd 3 – 4:30 PM.
TA: Chen Yu
Office: HEC 354.
Office hours: M, Wd – 3:00 PM.

2. Last, Current, Next Lecture
Last time:
Andrew File System
Network and Distributed Operating Systems
Multiple Access Networks
Today
Communication Networks. Local and Wide area Networks
Local Area Networks. Multiple access algorithms
Scheduled and non-scheduled access for Multiple Access Channels.
Aloha.
Random tree algorithm of Capetanakis.
The FCFS.
The stack algorithm.
A splitting algorithm for communication with timing constraints.
Token passing rings.
Next time:
Communication Networks