Category: network

UDP is a relatively simple protocol compared with something like TCP for one simple reason – it has none of the fields that ensure reliable delivery of information.  With …

Resolving names can often lead to performance issues on busy networks.  For instance in most large networks internet access is handled through central proxies, mainly for security reasons.  Organisations …

Authentication is one of the most important parts of any computer system, application or network.  Without an adequate authentication method a network operating system will quickly become overloaded and …

There is one factor which is crucial when we are considering capacity planning for a proxy server and that is the ‘peak load’.  This point will vary greatly between …

On a network both physical and logical addresses play a role in communication.   The use of logical addresses allows for the communication between more than one single network …

This is the 2nd article in our series on troubleshooting network performance problems, in it we are going to look at another area which will help this function. Retransmissions …

Over the years I’ve worked in IT, this is probably the most common and frustrating issue I’ve seen in corporate networks. It’s often extremely hard to solve and often …

The subject of proxy servers and other web related caching issues may not be of interest to a wide audience, but that’s starting to change.  Years ago, only enthusiasts …

With new technologies comes of course great opportunities for developing most businesses especially those that function online.  However it also brings increasing risks, the internet has always developed ahead …

Proxies used to be relatively straightforward. They used to sit in the IT server room, pretty much forgotten for the majority of time. Not because they weren’t used much, …