Alcatel Lucent upgrades Velocix CDN
Michelle Clancy
| 11 September 2014
Alcatel-Lucent has announced new features to its Velocix Content Delivery Network (CDN) solution, to enable pay-TV operators to take advantage of virtualisation, as well as tighter integration with IP infrastructure to accelerate the adoption of cloud networking for IP video services.

The Velocix Virtual CDN decouples the software that controls and routes traffic on a network from the physical infrastructure that provides compute and storage resources. Thus, the time needed to install or expand the CDN is reduced; virtualisation also allows operators to create a new CDN cache in case of a hardware failure.

The Velocix Virtual CDN will also use automatic resource allocation to create an 'elastic CDN' capable of adjusting capacity to both planned and unexpected changes in demand, for example during a popular sporting event or due to a viral video. After the peak, computing resource can be released for other applications.

The Velocix Virtual CDN joins the Alcatel-Lucent network functions virtualisation (NFV) portfolio announced earlier this year to enable network automation and efficient use of resources for rapid scaling up and down of services.

Also in the upgrade, the reporting capability of the Velocix CDN has been extended to give operators greater visibility of the traffic flowing through the network, to measure the quality of video streamed to customers without the need for network probes or for installing software on customers' devices.

Integration with the network routing control plane enables the CDN to learn automatically from changes in the IP infrastructure and optimise the cache selection accordingly. For example, when a new IP address is assigned to a user, the CDN adapts dynamically.

The Velocix Universal Network Application Programming Interface (UNAPI) also enables unprecedented integration with external systems to develop customised applications for network configuration, content management and reporting.

And finally, Velocix Proxy Language provides a powerful way to dynamically control how content is cached and processed. Using an industry standard programming language (LUA), a pay-TV provider can modify how a request is treated depending, for example, on a user's location or device. This opens up a wealth of personalisation opportunities to improve the customer experience or traffic management on the network. It also allows a service provider to bring the Web traffic for their pay-TV service onto the same CDN as the video traffic.