CMPUT429/CMPE382 Winter 2001
I/O to External Devices and Other Computers
Networks
Example Major Networks
Interconnections (Networks)
More Network Background
ABCs of Networks
A Simple Example
Questions About Simple Example
A Simple Example Revisted
Software to Send and Receive
Network Performance Measures
Universal Performance Metrics
Example Performance Measures
Total Latency Example
Simplified Latency Model
Overhead, BW, Size
Measurement: Sizes of Message for NFS
Impact of Overhead on Delivered BW
HW Interface Issues
SW Interface Issues
CM-5 Software Interface
Network Media
Costs of Network Media (1995)
Connecting Multiple Computers
Example Interconnects
Switch Topology
Important Topologies
Topologies (cont)
Butterfly
Summary: Interconnections
Review: Performance Metrics
Connection-Based vs. Connectionless
Routing Messages
Deterministic Routing Examples
Store and Forward vs. Cut-Through
Congestion Control
Congestion Control (cont.)
Practical Issues for Inteconnection Networks
Practical Issues
Cross-Cutting Issues for Networking
Protocols: HW/SW Interface
Protocol
TCP/IP packet
Example Networks
Connecting Networks
Example Networks (cont’d)
Examples: Interface to Processor
Packet Formats
Example Switched LAN Performance
Networking Summary
Email: amaral@cs.ualberta.ca
Home Page: www.cs.ualberta.ca
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