1. CSSE 492 Final Review
Dr. Yingwu Zhu
Spring 2008

2. Overview
Web caching
CDN
Web search
P2P networks

3. Web Caching (1) Why?  Benefits How? Web caching problems
Various caching types
Pros and Cons
Web caching problems
Data freshness
Dynamic content
Privacy and security

4. Web Caching (2) Caching cooperation Proxy cache implementation ICP
Summary cache
Proxy cache implementation
Cache replacement
And so on…

5. CDN What is CDN? Why CDN? How? Redirection mechanisms
Example: AKAMAI, ESI technologies

6. Web Search Web Search engines Three components Google Web Spamming
Crawlers
Indexing
Ranking
Google
PageRank
Web Spamming

7. P2P Networks Different form C/S models Unstructured P2P Structured P2P
Napster, Gnutella, Kazza
Gia
Freenet
BitTorrent, BitTyrant
Structured P2P
What?
Chord, how?