Chapter 12. Decoupling your infrastructure: ELB and SQS
This chapter covers
- The reasons for decoupling a system
- Synchronous decoupling with load balancers
- Asynchronous decoupling with message queues
Imagine that you want some advice on using AWS from us, and therefore we plan to meet in a café. To make this meeting successful, we must
- Be available at the same time
- Be at the same place
- Find each other at the café
The problem with our meeting is that it’s tightly coupled to a location. We can solve that issue by decoupling our meeting from the location, so we change plans and schedule a Google Hangout session. Now we must
- Be available at the same time
- Find each other in Google Hangout
Google Hangout (this also works with all ...
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