Slide List

• Web Cache Coherence
• The Caching Tradeoff
• How Distributed File Systems Maintain Coherence
• Staleness
• Http headers used to maintain coherence
• Existing Mechanisms
• Problems of Expiration-Based Coherence
• New Coherence Mechanisms
• Returning a stream of documents for each request
• Browser changes needed to work well with version streams
• More speculative cache coherence techniques
• 2. Replication
• A proposed mechanism for replication
• Conclusion