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By Alex Homer, Masashi Narumoto, John Sharp, Hanzhong Zhang, Scott Densmore
The IT has been evolving at a swift speed; and with the arrival of cloud computing the speed of evolution is accelerating considerably. although, such a lot companies nonetheless have loads of IT resources working in on-premises datacenters.
We are in the midst of a transition among working every little thing on-premises and web hosting every thing within the cloud. Hybrid is a time period that represents the appliance that positions its structure someplace alongside this continuum. Hybrid purposes span the on-premises and cloud divide, and produce with them a distinct set of challenges.
This consultant addresses those demanding situations via mapping home windows Azure good points to express situations encountered within the hybrid program layout and improvement. A case examine of a fictitious corporation named Trey study explains the demanding situations encountered in a hybrid software, and describes options utilizing home windows Azure beneficial properties similar to carrier Bus, Caching, site visitors supervisor, Azure attach, SQL Azure information Sync, ACS, and more.
The consultant is split into major sections. the 1st describes the explicit layout judgements Trey learn made while designing their software. the second one offers normal suggestions on ordinary eventualities and use situations encountered in all the problem parts. jointly they're going to assist you to discover suggestions for the demanding situations you'll meet while constructing your personal hybrid applications.
This consultant is meant for architects, builders, and data know-how (IT) execs who layout, construct, or function functions and providers that run on or have interaction with the cloud. even though functions would not have to be in keeping with the home windows working method to function in home windows Azure, this booklet is written for those that paintings with Windows-based structures. you have to be conversant in the.NET Framework, visible Studio , ASP.NET MVC, and visible C#.
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Extra resources for Building Hybrid Applications in the Cloud on Windows Azure
Sample text
The Orders Application Trey Research’s Orders application enables visitors to place orders for products. It is a web application that has evolved over time to take advantage of the benefits of cloud-based deployment in multiple datacenters in different geographical locations, while maintaining some essential services and applications within the on-premises corporate infrastructure. This is a common scenario for many organizations, and it means that solutions must be found to a variety of challenges.
2 Deploying the Orders Application and Data in the Cloud The first stage in moving parts of the Orders system to the cloud as elements of a hybrid application required the designers at Trey Research to consider how to deploy these pieces in Windows Azure™ technology platform. Windows Azure offers several options for deployment of application functionality, and a wide range of associated services that Trey Research can take advantage of when designing and building hybrid applications. In this chapter, you will see how Trey Research addressed the challenges associated with deploying the key elements of the Orders application to the cloud, and how the designers integrated the application with the services provided by Windows Azure and the SQL Azure™ technology platform.
23 24 ch a pter t wo Synchronizing Data across Cloud and On-Premises Locations The architecture Trey Research chose for the Orders application has some data located in the cloud in SQL Azure, and some data located on-premises. This means that the designers at Trey Research must consider how to synchronize data across these locations to ensure it is consistent. Choosing a Data Synchronization Solution The choice of data synchronization solution depends on both the type of data stores that hold the data and the requirements for consistency.