Microsoft have written another post on their Windows 8 development blog.

This one deals with process of efficiently updating live tiles.

You can read it in full here.

Microsoft’s problem is that if you add a large number of ‘always on’ applications that interact with data taken from the Internet to your mobile computer, it will potentially negatively impact the battery life of the device.

Windows 8 obviously cannot afford to have low battery life or run inefficiently.

Their goal, according to the post, is to “allow hundreds of live tiles without degrading performance,” while “achieving real-time delivery so delivering ‘instant messages’ is instant.”

Here’s what Microsoft is doing about it:

Our solution was to build a data-driven model. This means that a developer can express their tile using a set of predefined properties and templates, in this case, using an XML schema. The XML tile data is then sent to the Windows Push Notification Service (WNS) via a simple HTTP POST and then we take care of the rest. All the code for connecting, retrying, authentication, caching, rendering, error handling, etc. is done in a uniform and power-efficient way.

In order to handle the push notifications that Windows 8 has to handle, Microsoft built something called the ‘Windows Push Notification Service (WNS)’ .

Microsoft has tapped the Live Messenger architecture for WNS.

They discuss performance enhancements in full in the post and it’s a fascinating read.

Let’s hope it’s as good as they say it will be.

About the Author

Onuora Amobi is the Founder and VP of Digital Marketing at Learn About The Web Inc. Onuora has more than a decade of information security, project management and management consulting experience. He has specialized in the management and deployment of large scale ERP client/server systems.

In addition to being a former Microsoft MVP and the founder and editor of, he is the CEO of a Pasadena based online marketing education startup - Learn About The Web Inc. ( and The Redmond Cloud (

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