Breaking Down Microsoft Azure: Security with Geo Redundancy


When entire Azure regions or data centers experience downtime, it is critical for compute to continue processing in a different region. Geo redundancy signifies a computer system operating at two or more geographical locations as duplication in case the primary system fails due to any reason.

Azure Functions run in a specific region. To get higher availability, you can deploy the same functions to multiple regions. When in multiple regions you can have your functions running in the active/active pattern or active/passive go

  • Active/active. Both regions are active and receiving events (duplicate or rotational). Active/active is recommended for HTTPs functions in combination with Azure Front Door.
  • Active/passive. One region is active and receiving events, while a secondary is idle. When failover is required, the secondary region is activated and takes over processing. This is recommended for non-HTTP functions like Service Bus and Event Hubs.

Geo redundant storage (GRS) is designed to provide at least 99.99% durability of objects over a given year by replicating your data to a secondary region that is hundreds of miles away from the primary region. If your storage account has GRS enabled, then your data is durable even in the case of a complete regional outage or a disaster in which the primary region is not recoverable. For a storage account with GRS enabled, an update is first committed to the primary region. Then the updated is replicated asynchronously to the secondary region, where it is also replicated.

2W Tech is a Microsoft Gold Partner, as well as an Epicor Gold Partner. We can help manage your Epicor ERP system on the Azure cloud, so contact us today to learn more about making the switch to this solution. We also can help you run other applications on the Azure cloud as well.

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