Today Amazon announced the public beta of Amazon CloudFront, their AWS service for content delivery. This is the service that many users of Amazon S3 (Simple Storage Service) have been waiting for a long time. Even if S3 was never a ‘real’ CDN (content delivery network) it was used by many sites to serve static content. The main limitation of this approach was that it had no geographical awareness as content delivery networks usually have; the fact that S3 is highly scalable and well priced made this solution acceptable on S3.

CloudFront is the answer to all users’ requests about using S3 as a CDN, delivering the content using a global network of 14 edge locations. CloudFront uses S3 to store the original file, and caches copies of the content close to end users locations, lowering latency when they download the objects.

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Rackspace announced today that it has agreed to buy Slicehost and Jungle Disk for a total of $18 million. This move is supposed to improve its Mosso cloud offerings to better compete with Amazon Web Services.

Slicehost is a leader in Xen-based virtual machine hosting with more than 15,000 “slices” online today. Jungle Disk offers reliable cloud storage solutions that allow users to easily share an unlimited amount of cloud storage between multiple users through a secure, mountable network drive and automatic backup.

http://ir.rackspace.com/phoenix.zhtml?c=221673&p=irol-newsArticle&ID=1215812&highlight=