NTL's proposed £8.2bn acquisition of Cable & Wireless (C&W) Communication's residential unit is to go before the UK's Competition Commission. Stephen Byers, secretary of state for the Department of Trade and Industry, said last week that it...
If all packets are sent using IP, the shortest points between popular destinations can become bottlenecks making the possibility of providing time-delay sensitive services - such as video or voice - difficult.
According to the paradox, the packets of information would simply hop from one path to another - much like drivers switching lanes in a traffic jam - actually slowing down all the other packets traveling on those pathways.
Instead of a known and dedicated connection, each packet may arrive by a vastly different routing. For non-real time applications such as email and delayed voice and video we can use packet switching where the digital information is broken up into...
Futurity Media's Anthony Plewes investigates. Interestingly, this timeframe for HSUPA puts it in the same window of opportunity as the mobile version of WiMax based on IEEE 802.16e. HSDPA has been so widely anticipated in the operator community...
Because the range of a wi-fi link is limited to a few hundred meters, every vehicle also serves as a router, allowing messages to be sent via a multi-hop process to vehicles farther away, otherwise known as mesh networking.