A Virtual Private Network (VPN) connecting healthcare sites in north-west England is set to double in size three years after the scheme was launched. The problem is that NHSNet is based on x400, while everything else is TCP/IP," said Brown.
Connecting these local networks are backbone connections between hubs that hold the data and transmit it between the local networks (such as a high-power transmitter on the orbiting probe that sends the data back to Earth when it can).
Typically, when first connecting to another computer, a device on the internet will use a lower window size - say, 1,024 bytes. The window size is a parameter used by TCP/IP networks to specify the amount of data, in bytes, that devices can send...
SSL has become a popular alternative to VPNs that use IPsec encryption and tunneling for connecting remote workers to corporate networks. Aventail and Juniper also said customers are much more concerned about integrated security features that...
Transmission control protocol (TCP) arranges them in the right order. This is particularly pronounced when the voice traffic traverses the internet. The problems of packet loss, delay and jitter are exacerbated when voice traffic intermingles with...
Ericsson will supply control systems for 21CN, while Ciena and Huawei will supply the optical electronics that will convert the signals carried at high capacity over the cables connecting the metro and core nodes.