The performance, power, energy consumption and useful life of routers are all measurable factors in product testing. The data, however, depend on the conditions under which manufacturers carry out the tests. Transparency is vital! After 10 years and more than 400,000 km, it is finally time to say goodbye to my little Citroen Xsara. Who brought up planned obsolescence? It is with a degree of...
The Firewall is the quintessential element providing network security when you need to interconnect with other networks, allowing outgoing traffic and blocking unsolicited incoming traffic. The Firewall is a necessary element, although it is insufficient for security purposes since some threats are hidden from network firewalls within legitimate-appearing traffic, thus resulting in the need for...
In essence a Virtual Private Network (VPN) consists in using a normally public network (IP) but at such a level of abstraction the said network is only used as a transport mechanism between two ends over which a private network has been constructed. The inherent fact of using a public network requires security, up to the point where both concepts, VPN and security, become one, independently of...
It is quite obvious to say that corporate communications have evolved. Not so long ago, a few decades ago, “dumb” terminals were connected to a mainframe. A significant evolution followed with the introduction of X25, Frame Relay and ISDN. We could say it had the same level of importance to corporate communications, as the discovery of fire had within prehistoric man. However, more recently,...
Categories
