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"High-ish" availability cross-region architectures

TL;DRThe architectures of a cross-region highly available (HA) application vs a single region application are often seen as quite distinct. This post will show it doesn't have to be that clear cut, with a few small changes we can cost effectively deal with a region outage quicker and without the same expense as running redundant copies of our solution.IntroductionHigh Availability concepts and architecture is a big topic but I wanted to cover a specific aspect of HA with regards to configuring architectures across datacentre regions. This post doesn't cover other important aspects of HA and re…

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Australia Azure regions are now open to non residents

Shortly after the GA of the Australian Azure regions I was bitterly disappointed to discover that these regions were only open to users who have a Aus/NZ presence. It was tricky to get a handle on the nature of the restriction, was is due to limited capacity? or perhaps local tax laws?. After months of trying to get a concise answer the consensus appeared to be that the local tax requirements in Australia were the root cause. Restriction lifted Well approximately one year later I'm really pleased to hear that this limitation has been lifted as of the 3rd October 2016 and you are free to use th…

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Azure Australia region off limits to most of the world

All of the Azure documentation and marketing materials rightly proclaim the vast global footprint of Azure datacentres. However as it turns out its not always so easy to use this global footprint if you want to host your SaaS product in a region closest to your users. About a year ago the company I worked for kicked off a new project with an Australian based company and we were delighted to hear the announcement of two new Azure DCs in Australia. This was perfect as it would allow us to host our SaaS solution in the same region as our users (infact the same city). As soon as the DCs were publi…

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