Service Primitives for Internet Scale Apps Improve Performance
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A general framework to describe internet scale applications and characterize the functional properties that can be traded away to improve the following operational metrics: * Throughput (how many user requests/sec?) * Interactivity (latency, how fast user requests finish?) * Availability (% of time user perceives service as up), including fast recovery to improve availability * TCO (Total Cost of Ownership)
![Interactive Internet-Scale Application? ,[object Object],Global LB Local LB Presentation Servers + $ LB Application Servers + $ Fail over State Replica Local LB Presentation Servers + $ Presentation Servers + $ Application Servers + $ Application Servers + $ Data Center State PS + $ LB AS + $ Fail over Local LB State PS + $ LB AS + $ Fail over](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Service Primitives for Internet Scale Apps Improve Performance
- 1. Service Primitives for Internet Scale Applications Amr Awadallah, Armando Fox, Ben Ling Computer Systems Lab Stanford University
- 11. Architectural Primitives Interactiveness, Graceful Degradation Weak Consistency Lossy/Sampled Aggregation Interactiveness, Graceful Degradation Entity Visibility Partitioning Interactiveness, Availability, Throughput Eventual Consistency Caching, Replication Gains Trades Primitives