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A High-Performance Evolved Packet Core is Essential to Handle Mobile Data Demand

By Mae Kowalke, TMCnet Contributor

The glass can be half empty or half full when it comes to mobile broadband.

On the one hand, data usage is growing at exponential rates, and seems to be no end in sight. In fact, it is projected that by 2017, the monthly mobile broadband usage of the average subscriber will reach 5 GB, according to research from Alcatel-Lucent Bell Labs.

On the other hand, the emergence of LTE enables operators to more cost-effectively monetize this traffic demand by rolling out quality-of-service (QoS) guarantees for sensitive data traffic such as voice-over-LTE (VoLTE), as well as other data service packages that until recently did not make sense.

Finding the glass half full from the emerging data storm requires some planning when rolling out LTE, however. Network optimization is not a given. While LTE flattens IP traffic and enables new business models it also introduces new problems. Chief among them is increased network signaling rates.

Facebook's Signaling Chatter Grows Louder

By Lindsay Newell, VP, Marketing Networks & Platforms Group, Alcatel-Lucent

Our last few blog posts on mobile intelligence focused on how changes to devices and their operating systems can affect both the user experience and the network in positive and negative ways as detected using the 9900 Wireless Network Guardian. Today we will explore the impact of changes introduced by a new version of a popular application.

Last year, Facebook released new versions of their mobile app for Android and iOS. Prior to the new release, Facebook signaling and airtime already accounted for 10% and 15% of the overall load on 2G/3G networks, respectively.  As users around the world updated and started to use this new version, we quickly noticed a dramatic increase of almost 60% in the signaling load and 25% in the airtime consumed by the Facebook application.  During the same period, the number of Facebook users increased by only 4%.   Clearly, it is not the swelling of Facebook’s community that intensified the load, but rather the introduction of new Facebook features for mobile users and underlying platform changes.

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