What type of computer network does your organisation need?
Deciding what type of computer network your organisation needs will depend on a number of different factors such as how many computers and network devices, such as printers, you have? What types of applications do you want to run across the network? How easy is it to run cables from point A to point B? Do you want to create a network within a single building or across multiple sites? A local area network (LAN) or wireless local area network (WLAN) is designed to connect computer systems across an office or single building. A wide area network (WAN) connects one office or building to its parent network and onto the Internet.
The data centre is the brains of the business
A data centre is a dedicated space, sometimes referred to as a server room. A data centre houses computer systems, telecommunications and storage. This often includes a certain level of redundancy or backup capacity. The data centre usually has an independent power supply, environmental controls, fire suppression and security safeguards to ensure its continued operation, even during a crisis. Some organisations prefer to have their own data centre onsite while others rent space in an offsite, third party facility (colocation). Typically, servers within a data centre will be running an organisations critical applications and systems.
The benefits of Cloud hosting
Cloud servers or Cloud hosting is different from the traditional data centre model. Instead of purchasing or renting space on physical hardware, you rent space on a virtual server. Cloud hosting offers a number of benefits, such as being quick and easy to scale-up and reduce capacity dependent on fluctuating demand. Cloud servers also offer good redundancy. If one server fails, another will immediately take its place.
Switches and routers
An organisation’s frontline PCs and mobile devices are connected to its servers through a series of switches and routers to form a network. A switch connects multiple devices on the same network with the data centre. A router connects multiple networks together. Your network server, for example, will use a router to connect to the Internet. The most common forms of IT network include the LAN (local area network), WAN (wide area network) and WLAN (wireless local area network).
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