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Windows Azure Storage at 23rd ACM SOSP – Paper, Video, and Presentation Slides

SOSP (ACM Symposium on Operating Systems Principles)The Windows Azure team published a paper describing the internal details of Windows Azure Storage at the 23rd ACM Symposium on Operating Systems Principles (SOSP).

“The paper describes how we provision and scale out capacity within and across data centers via storage stamps, and how the storage location service is used to manage our stamps and storage accounts,” revealed Brad Calder.

Adding, “Then it focuses on the details for the three different layers of our architecture within a stamp (front-end layer, partition layer and stream layer), why we’ve these layers, what their functionality is, how they work, and the two replication engines (intra-stamp and inter-stamp). In addition, the paper summarizes some of the design decisions/tradeoffs we have made as well as lessons learned from building this large scale distributed system,” he said.

In this short “conference talk we try to touch on the key details of how the partition layer provides an automatically load balanced object index that is scalable to 100s of billions of objects per storage stamp, how the stream layer performs its intra-stamp replication and deals with failures, and how the two layers are co-designed to provide consistency, availability, and partition tolerant for node and rack level network partitioning and failures,” added Calder.

You can download the paper here, and the presentation slides of the talk here.

Below, we’ve embedded a video of the talk, as well as read-only copy of the paper and the slides:

Here is the paper:

And, the slides:

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