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C2DN - How to Harness Erasure Codes at the Edge for Efficient Content Delivery
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- 1 Intro
- 2 Content Delivery Networks CD
- 3 Cache misses are expensive
- 4 Unavailabilities at the edge are co
- 5 Bucket-based routing coarser load ba
- 6 State-of-the-art solution
- 7 The problem: write load imbalan
- 8 Quick primer on erasure coding: efficient fault
- 9 Use erasure coding in CDN clusters
- 10 Naive use of erasure coding is insuf chunks are evicted at different times
- 11 Goal: rebalance the load
- 12 Parity assignment problem
- 13 Evaluation setup
- 14 No more miss ratio spike
- 15 Reducing normal case miss rat
- 16 Near-perfect write load balancir
- 17 In the paper
- 18 Summary
