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Availability & Consistency
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by Werner Vogels on Aug 07, 2007 | NOTICE: The next QCon is in New York Jun 10-14, Join us!

Summary
When we move to distributed architectures for scalability and/or fault-tolerance reasons we are also introducing additional complexities. Amazon CTO Werner Vogels dives into the different parameters that play in the tension between availability and consistency and presents a generalized model that we can use to reason about the trade-offs between different solutions.

Bio

Dr. Werner Vogels is VP & CTO at Amazon.com where he is responsible for driving the technology vision to continuously enhance the innovation on behalf of Amazon's customers at a global scale. Werner also blogs at <a href="http://www.allthingsdistributed.com/" target="_blank">All things Distribtued</a>.

QCon runs Nov 7-9 in San Francisco and also every March in London. QCon is InfoQ's conference, designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers. QCon focuses on Architecture, Java, .NET, Ruby, SOA, and Agile.

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Community comments

See more Architecture Qualities Sessions at QCon SF Nov 7-9 by Floyd Marinescu

FYI, we are also running another architecture qualities track (where this video was recorded) at QCon San Francisco Nov 7-9, check it out!

incomplete? by Zubin Wadia

Floyd,

Is there going to be more to this webinar? It cut off at a critical juncture :).

Cheers,

Zubin.

Re: incomplete? by Floyd Marinescu

Hi Zubin, the sessions at QCon were only 60 min long and this video has 52 min, which including all the editing already done is likely to actually be the whole presenation minus one or two minutes which for some reason were missed. I'll have this looked into, but unfortunately it may not be resolved quickly.

Re: incomplete? by ARI ZILKA

Yes.

I was there @ QCon, London. Werner gave an amazing talk but he ran out of time. Definitely frustrating.

Is it possible to download this Presentation? by hower eisen

Hi Floyd! The presentation system DOSE NOT works smoothly in my laptop with my ASL about 2M brandwidth. Is it possible to let us to watch InfoQ's presentation in off-portal style?

Re: Is it possible to download this Presentation? by Floyd Marinescu

Unfortunately not. We are planning a move away from flash streaming eventually which should hopefully help.

Re: Is it possible to download this Presentation? by ARI ZILKA

Unfortunately not. We are planning a move away from flash streaming eventually which should hopefully help.


AHHH!

Terracotta is working with Red5 on clustered scalable streaming flash servers in OSS. You should TOTALLY wait!

Re: Is it possible to download this Presentation? by Brian Edwards

I like the flash as opposed to some other technology like Real or quicktime. Why not just partner/or use YouTube? YouTube is proven and works across most platforms. There seems to be a problem with resuming the stream with the current player which has always annoyed me. Also why is there always that white pixel in the upper-left quadrant?

Re: Is it possible to download this Presentation? by Floyd Marinescu

I would love to but I youtube doesn't seem to have any solution for securing our videos so that they can only be seen on InfoQ. We don't want these accessible at any URL other than one on InfoQ, or else we don't benefit from the investment of filming and distributing them.

Re: Is it possible to download this Presentation? by Floyd Marinescu

Just to clarify, we are looking to move from flash streaming to flash progressive download with seek support (like google video).

Blog post containing a summary by Chris Loosley

I found this presentation so stimulating that I spent a day writing up a detailed summary of it, as part of a series I am writing on system performance and asynchronous architecture. See Asynchronous Architectures [4].

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