Hardware is the term given to the computer machinery and the various individual pieces of the computer. It refers to the physical devices of the computer system. The same hardware can be loaded with different software to make a computer system perform different types of jobs to produce useful outputs. In a computer system hardware and [...]

1 IntroductionAd hoc networks are a new paradigm of wireless communication for mobile hosts (which we call nodes). In an ad hoc network, there is no fixed infrastructure such as base stations or mobile switching centers. Mobile nodes that are within each other’s radio range communicate directly via wireless links, while those that are far [...]

OverviewThe network planning and design methodology describes a process with 9 specific steps and a sequence for those activities. As mentioned it is an engineering life cycle that supports technical initiatives such as Windows  migration, IP telephony and wireless design to name a few examples. The methodology begins with examining company business requirements. It is absolutely [...]

Network management may mean different things to different people. To some network management may be a solitary network consultant monitoring network activity with an outdated protocol analyzer, to others network management may be about distributed database, high-end workstations generating and traffic. Speaking generally, network management is a service, which uses a wide range of devices, [...]

In a poll of 455 IT executives in US SMBs, 42% said their networks were not secure even though 96% and 93% of respondents respectively said they had anti-virus and a firewall installed. 80% said they also used spam filtering. This may indicate that small and medium sized businesses are starting to doubt the effectiveness [...]