Acceleration & Compression

Thanks to satellite communications, people all over the world can have access to the Internet. Unfortunately the Internet's most common communication protocols (TCP and HTTP) have been designed for terrestrial networks. They show a very poor performance over satellite networks. As a result the user experiences slow download speeds and web surfing performance. Moreover valuable satellite capacity is not used in the most efficient way.

The ideal solution to overcome such drawbacks is Newtec’s Acceleration & Compression technology. Because of a combined set of traffic enhancement technologies that speed up underlying communication protocols (TCP and HTTP), the user will have a better quality of experience (QoE) using Internet or Enterprise applications.

The TCP/IP optimization protocol stack (Enhanced TCP) enables the full usage of the available satellite capacity instantly and at any time, even if the effective bandwidth changes dynamically as a result of Cross-Layer-Optimization. At the same time, the download speeds increase up to the possible maximum throughput in accordance to the user’s SLA. The HTTP acceleration speeds up the end-user’s web application experience by up to 60%. This is achieved by combining interception, caching, scheduling and prefetching techniques at the same time. Even if several IP services – be it a file download and web browsing – share the same virtual circuit, the web surfing is fast and the download uses the remaining capacity.

In addition, a set of various Compression techniques results in bandwidth savings up to 20% on the forward and up to 90% on the return link. The integrated Payload Compression compresses and decompresses the TCP data on-the-fly if it is compressible. The lightweight ETCP protocol headers save about 50% of bandwidth compared to TCP protocol headers. Finally, the aggregation of ETCP control data reduces the bandwidth need by up to 99% if compared to TCP or SCPS/TP control data.

Equipment with this technology


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