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Amazon Simple Queue Service
(Amazon SQS)
•On-demand message queues in the cloud
•Access control and message locking
•Messages kept for up to 15 days; the system automatically deletes older messages
•Pricing (pay for what you use):
–Messages: $0.10 / 1000 messages
–Transfer: $0.18 / GB
Processing pipelines—typical architecture we see uses SQS to tie together workflow of the application.   Smugmug use case---all companies have processing pipelines—set of data sits in S3, EC2 apps that need to do some processcing on that data (image manipulation, transcoding)…work items get queued up in SQS and EC2 get spun up to pick the items off the queue and do the work—then store the results back in S3.