Mobile/Cellular Network Operators

Bequant has helped us to save in national roaming costs and at the same time improve our customers’ quality of experience. We have had a very fast return on our investment.

Overview

Bequant helps mobile operators in two main ways:

  • The Bequant TCP Acceleration (BTA) overcomes TCP performance issues in 3G/4G networks to significantly increase the network speed experienced by users. This improves the quality of experience (QoE), the customer satisfaction and loyalty and reduces sooprt costs, yielding higher profits.
  • The Bequant Bandwidth Management (BBM) can control the speed of certain services, identified by the Bequant DPI functionality, which will reduce the traffic volume of the network. If the access network cost is based on traffic volumes (often the case for full MVNOs with a national roaming agreement) this traffic reduction is directly translated into cost savings. The Bequant Traffic Compression (BTC) will also aid in reducing the traffic volumes by compressing HTTP contents.

Acceleration Results

This section shows the quality of experience improvement with live traffic in a 4G mobile operator in production. During several days, two MEDUX probes from CaseOnIt generated browsing, download and video traffic and measured several indicators of QoE. The two probes were at the same place and coverage conditions, one was accelerated by the BTA and the other was simply forwarded. Additionaly, you can also look at our Netflix results in different kinds of ISPs.

This chart shows page loading time in seconds (the smaller the better) for the most popular web sites, along with the time reduction achieved by the acceleration.

This chart shows average download and uploads speeds (the bigger the better), along with the improvement obtained. The download was a 2.4MB file and the upload was a 5MB file, both using commercial CDNs.

This chart depicts the number of stalling events per video session and the time to start viewing a video after clicking start (the smaller the better). The reduction percentages are also included.

Bandwidth Savings Results

The following graph shows the results of limiting streaming video speed to 2 Mbps per user in a cellular mobile network. The 2 Mbps limitation was enforced during even hours of the day, while no limitation was set on odd hours of the day, and the total volume of traffic sent every hour, for the whole network, was measured for four days. It can be seen that the overall volume of traffic was significantly lower (around 15% lower), and that the peaks in traffic were also lower when limiting to 2 Mbps. Moreover, there were no customer complaints due to quality. The 15% reduction in overall volume of traffic results in an obvious business case, with a very rapid return of investment.

In addition to the savings provided by BBM, the BTC functionality helps in reducing bandwidth by compressing unencrypted images and uncompressed web contents. While unencrypted traffic is progessively diminishing, the savings obtained by BTC make a very interesting business for Virtual Mobile Operators, that often have to pay for access traffic by volume.

The BTA functionality is also interesting from a traffic saving point of view, since it resolves retransmitted traffic locally and reduces interconnection costs.

Deployment

Bequant software runs on Bequant Nodes (BQN), which are transparently deployed in the Gi interface as a bump-in-the-wire between the access gateways (e.g. PDN-GW, GGSN) and the next router towards the Internet. Normally, one BQN node of the required capacity is collocated per access gateway.

The BQN only needs to be on the path of the traffic to optimize and it is compatible with other network elements such as traffic policers or shapers. Note that a BQN deployment can support both TCP acceleration (BTA) and web compression (BTC) simultaneously in the same node.