March 2008
Intermediate to advanced
604 pages
18h 38m
English
Content preview from Programming Amazon Web ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 8. SQS: Simple Queue Service
Amazon’s Simple Queue Service (SQS) provides reliable storage and delivery of messages between any clients or computers with access to the Internet. It allows message senders and recipients to interact without having to communicate directly with each other and without requiring that either side be always available or connected to the network.
SQS combines the key advantages of a conventional messaging architecture—loosely-coupled and fault-tolerant communication—with a reliable and flexible distributed infrastructure that stores messages redundantly over multiple data centers. Because SQS is accessible to clients on any platform that can send and receive HTTP requests, the service makes it possible to build distributed applications with truly heterogeneous components using a range of platforms and development languages.
Note
As this book went to press, Amazon Web Services released a new
version of the SQS service API: 2008-01-01. This new API includes an updated
pricing model that is intended to make the service cheaper for most
users, however it also includes significant changes that are not
compatible with previous API versions or the third-party libraries and
tools we use in this book.
The previous APIs will remain available until May 6, 2009, after
when all SQS users must migrate to the 2008-01-01 version. In this book we describe
the older 2007-05-01 API and we will not discuss the new API in depth. For more information about the benefits of ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.