Introduction

Westminster Digital operates in the private and public sector and has a wealth of experience dealing with the issues affecting delivery of content over a wide range of networks. The most common problems encountered by clients are security and bandwidth related.

The greatest challenge to webcasting is how to overcome the issue of restricted bandwidth. Each time a user watches a video, a section of the 'bandwidth pie' is eaten, meaning there is less bandwidth pie for the rest of the audience. Video compression technologies attempt to overcome this issue, but in reality, as CODECS improve, users opt for better quality video rather then more video. In order to understand this in more depth, it is important to understand to the difference between Unicasting and Multicasting.