Allot MobileTrends Report Shows Significant 73% Growth in Global Mobile Data Bandwidth Usage in H2, 2010

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Boston, MA - February 8, 2011 - Allot Communications
Ltd.<http://www.allot.com/> (NASDAQ:
ALLT<http://www.irconnect.com/allt/pages/stock-quote.html>), a leading
supplier of service optimization and revenue generation solutions for fixed
and mobile broadband service providers worldwide, announced today that its
Allot MobileTrends
Report<http://www.allot.com/MobileTrends_Report_H2_2010.html> shows that
mobile data bandwidth usage continued its phenomenal rise with 73% growth
during the second half (H2) of 2010.  Video streaming continues to drive
this growth as it remains the fastest growing application type, accounting
for 37% of mobile bandwidth. Allot will be exhibiting at Mobile World
Congress from 14-17 February, in hall 2, booth B53.



The H2 2010 MobileTrends Report reveals that YouTube is responsible for a
tremendous 17% of mobile data bandwidth usage and continues as the single
most significant website for video streaming, accounting for 45% of total
video streaming traffic. The report also shows the continued exponential
growth experienced by social networking applications such as Twitter and
Facebook, which grew by 378% and 267%, respectively, underlining the natural
synergy that exists between social media and the mobile Internet.  The use
of VoIP and IM applications also continued to grow rapidly with an 87%
increase, demonstrating their ongoing appeal for subscribers.



This Allot MobileTrends Report also reveals that Google's Android Market
lags far behind Apple's App Store with only 9% of the overall app store
download traffic.  However, its rapid 177% growth rate may influence this
balance in the near future.



"Our MobileTrends findings demonstrate that mobile operators must understand
the value that over-the-top applications provide to users rather than just
focus on the amount of bandwidth they consume," said Rami Hadar, President
and CEO of Allot Communications.  "As networks move towards 4G/LTET and
convergence, understanding this value is likely to become even more critical
as operators will be expected to provide a more enriched and personalized
experience for their users."



Findings from the Allot MobileTrends Report also include:

.         YouTube remains one of the single most popular mobile Internet
destinations, accounting for 17% of mobile data bandwidth.

.         File sharing represents a significant 30% of mobile bandwidth.

 *   Apple's App Store is responsible for 89% and Google's Android Market
is responsible for 9% of overall app store download traffic.

.         Skype continues as the undisputed VoIP market leader, accounting
for 87% of mobile VoIP bandwidth.


The Allot MobileTrends Report data was collected from July 1 to December 31,
2010 from leading mobile operators worldwide with a combined user base of
210 million subscribers. Allot gathered the data using the long term
reporting capabilities of Allot
NetXplorer<http://www.allot.com/NetXplorer.html>, Allot's centralized
management and reporting system. The length of the collection period allows
accurate identification of usage trends and patterns, reducing the influence
of temporary events in the monitored networks.



The full Allot MobileTrends Report (complete with graphics) can be found on
www.allot.com/MobileTrends_Report_H2_2010.html<http://www.allot.com/MobileTr
ends_Report_H2_2010.html
>

www.allot.com/MobileTrends_Report_H2_2010.html



About Allot Communications

Allot Communications Ltd. (NASDAQ: ALLT) is a leading provider of
intelligent IP service optimization and revenue generation solutions for
fixed and mobile broadband operators and large enterprises. Allot's rich
portfolio of solutions leverages Dynamic Actionable Recognition
Technology<http://www.allot.com/Dynamic_Actionable_Recognition_Technology.ht
ml
> (DART) to transform pipes into smart networks that can rapidly and
efficiently deploy value added Internet services. Allot's scalable,
carrier-grade solutions provide the visibility, topology awareness,
security, application control and subscriber management that are vital to
managing Internet service delivery, enhancing user experience, containing
operating costs, and maximizing revenue in broadband networks.