Happy birthday Argentina!

Today Argentina celebrates 200 years of the revolution that led to independence. Happy birthday from province 25th 🙂 Note: Argentina has 23 provinces and an autonomous city (Buenos Aires). “Province 25th” refers to all of us living abroad.

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Windows Azure Architecture Guide – Part 2 – TailSpin Surveys – AuthN and AuthZ

Tailspin Surveys is a multitenant, SaaS solution, targeting many different customers. Some of these customers might be “enterprise” with “Big-IT” and are likely to demand advanced integration capabilities for identity (e.g. identity federation). Others, potentially smaller, are likely to not require these. Even smaller companies (e.g. someone working from home) might even want to reuse…

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Windows Azure Guidance – Yet another way of writing records to store and dealing with failures

These series of posts dealt with various aspects of dealing with failures while saving information on Windows Azure Storage: Windows Azure Guidance – Additional notes on failure recovery on Windows Azure Windows Azure Guidance – Failure recovery and data consistency – Part II Windows Azure Guidance – Failure recovery – Part III (Small tweak, great…

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Windows Azure Architecture Guide – Part 1 – Release Candidate Documents updated

I just uploaded new versions of the docs that make up our guide. No major changes, but some wordsmithing and professional graphics. I do enjoy doing the whiteboard like graphics, and we have kept that spirit in the guide, but we have them redone professionally by a graphics designer. So you will see this:  …

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Windows Azure Guidance – Failure recovery – Part III (Small tweak, great benefits)

In the previous post, my question was about a small change in the code that would yield a big improvement. The answer is:   What changed? No try / catch We reversed the order of writes: first we write the details, then we write the “header” or “master” record for the expense. If the last…

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Windows Azure Guidance – Failure recovery and data consistency – Part II

I had some great answers on my previous post question, like Simone’s. Some where closer than others, but in general you got it right, Thanks! The recovery strategy depicted there assumes that all failures are external. That is, writing to a table fails, for example, and you have a chance to run the clean up…

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