When the public switched telephone network (PSTN) was initially constructed, voice communication was the primary goal. However, as data communications such as fax, modem, and text became more ...

VPN (Virtual Private Network) is a technology that provides secure communication through an insecure and untrusted network (like the Internet). Usually, it achieves this by authentication, encryption, ...

To design communications systems, an engineer may have to juggle several protocols running across a backplane. There are several common strategies to handling the interface for those protocols.

Momentum around the PCI Express specification is building in the communication sector. From broadband to wireless to networking applications, designers across the board are looking to implement these ...

A major security flaw in an IPsec protocol has been reported by the UK's National Infrastructure Security Co-ordination Centre (NISCC). According to NISCC, it is possible for an attacker to intercept ...