Communication between Windows Azure Roles

When building Windows Azure application you may have a collection of multiple web & worker role and depend on your application architecture you would need to establish a secure communication between your roles. For example I will use the following image from MSDN article (http://msdn.microsoft.com/en-us/library/gg433033.aspx):   The very first rule of Connectivity: Only role instances…

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How to upgrade only one specific role from your Windows Azure Application

If you have more than one role in your Windows Azure application, and you decide to update only one role you sure can do that. To do that you will still need to build your full Azure application (included all role) and then only update the specific role via Windows Azure Portal. Here is what…

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Whats new in Windows Azure SDK 1.5 – Packages are no longer encrypted

In Windows Azure SDK 1.5 the packages are no longer encrypted since they are always transferred between the development machine and Windows Azure Portal over https.   Up to Windows Azure SDK 1.4 when you generate Service Package (CSPKG) file then file was encrypted using a certificate included Windows Azure SDK. There used to be…

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Windows Azure AppFabric ServiceBus Relay Load Balancing (Scale & Availability Feature)

As of today, Windows Azure AppFabric Service Bus Relay Service capabilities includes include load balancing feature. With this addition, you can have up to 25 listeners registered to one single service endpoint. Scale and Availability Feature (aka Load balancing) Main Features: The key goal of the feature is to provide a capability for two separate listeners…

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Windows HPC with Windows Azure burst training kit version 1.6

Windows HPC Server with Burst to Azure is ideal for compute intensive applications that demand 1000s of Cores. The HPC/Azure hybrid solution allows both novice users and skilled developers to quickly deploy their existing windows binary executable, HPC SOA code, or MPI-based HPC code.   The HPC job scheduler automatically batch scales your code by allowing cloud nodes to be added…

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Reading configuration entries using System.Configuration.ConfigurationManager class in a Windows Azure Application

With Windows Azure application you can use ServiceConfiguration.cscfg to include any item-value pair and then in your role code you can read these settings directly however if you would want to read configuration entries using System.Configuration.ConfigurationManager class in an Azure application then you would need to use little different method to get it done. The…

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SQL Azure Management Portal returns error as An exception occurred while executing the Transact-SQL statement

While creating a new Table in SQL Azure using SQL Azure Management Portal, you might see the following error: While collecting this error details you will see the following crucial information: An error was encountered while applying the changes. An exception occurred while executing the Transact-SQL statement: DECLARE @PageSize float SET @PageSize= 8.0; use [master]…

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Windows Azure Toolkit for Windows Phone (V1.3.1) is released

The Windows Azure Toolkit for Windows Phone is designed to make it easier for you to build mobile applications that leverage cloud services running in Windows Azure.  The toolkit includes Visual Studio project templates for Windows Phone and Windows Azure, class libraries optimized for use on the phone, sample applications, and documentation.  All this content is designed…

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Retrieving partition key range in Windows Azure Table Storage

While working on Windows Azure Table Storage, I had to retrieve partition key range so I look around if there is an API to get the list of all partition keys for my whole table, unfortunately I could not find an API to ease my job. I was really looking for an efficient way to…

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Windows Azure: Startup task or OnStart(), which to choose?

As you may know that both “Startup task” and OnStart() function, are executed before your Role, Run function is called. You might have a question in your mind, if there any advantage of using startup task over executing the installation code in OnStart()?   For starters: Startup task is something you define in  CSDEF (Service…

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