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Delivering A Better User Experience For Customers Across The World

Your customers demand that your website is up and running 24×7. And with Global Server Load Balancing (GSLB) now configurable on F5 devices at Rackspace, you can offer your customers a better, more personalized online experience with improved resiliency.

Today the GSLB feature is available on F5 Application Delivery Controllers and Load Balancers at Rackspace and backed by our trademark Fanatical Support.

GSLB offers you several options to best route your incoming traffic. Customized polices can be put in place to provide specific content based on origination location; the best user experience based on current utilization; and to route traffic to provide resiliency to your applications. You can make these policies as basic or granular as you need to.

Here are a few scenarios where GSLB features come in handy:

Do you have customers who would like a catered experience based on their geographic location? You can use the GSLB feature for geo-location and provide a unique, localized experience to inbound requests. This will route those requests to a specific data canter based on where the request originated. Say someone logging in from Texas, they would be routed to a specific data center and their content could be catered to include cowboy hats, horses or the Texas state flag. It could also include promotional advertising based on where your customers live.

GSLB also lets you create policies that route traffic to the least congested infrastructure for the best possible experience. Imagine there are two data centers that can support traffic to a specific site or application. If the first data center gets a spike of traffic due to a current promotion or other high traffic event, you can leverage GSLB features to point additional incoming requests to another data center that is not currently under heavy traffic conditions, ultimately providing the end user a better experience.

And leveraging GLSB can also improve resiliency. If you can plan in advance — for a maintenance window or an upcoming weather incident, for example — you can route traffic to a server(s) that will not be part of that maintenance or event. If Site A will be down for maintenance at Friday starting a 5 p.m., DNS requests can be sent to Site B. Once the maintenance is complete at Site A, traffic can be normalized based on you policies. If you cannot plan in advance due to a power outage, cyber-attack or other unforeseen occurrence, you can adjust the policies on the fly to meet current demands. For example, if Site A has some servers that were just infected with a virus and have to be taken out of rotation and Site B has all servers up and running, you can instruct incoming new requests to Site B.

Those are just some of the possible use cases for GSLB. If you have more, leave a comment below or contact me at phil.sprofera@rackspace.com. And for more information on Networking Devices at Rackspace, check out http://www.rackspace.com/managed_hosting/.

About the Author

This is a post written and contributed by Phil Sprofera.

Phil is a Product Manager focusing on our networking solution line for our Global Enterprise Services Product Organization. He joined Rackspace in November 2007 as a Product Engineer. Phil has been in IT for over 12 years and has specialized in networking for the past 8 years. Phil completed his Associates of Applied Science in Server Administration and Networking with Honors in May of 2012 through a Rackspace sponsored degree program.


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