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A Word About Wifi or Wifi Technology

 

WiFi is the other name for wireless internet or wireless network, this name is mainly utilized by none technical users who just knows how to gain access to internet wirelessly, they know more or less nothing beyond that. WiFi is actually short form for wireless fidelity. However many advance users are not well aware with this terminology either, it's ,more known with a name of Wifi. WiFi term is written in lots of ways which are, Wifi, WiFi, WIFI, Wi-Fi fiwi etc.




Wi-Fi was introduced by Wi-Fi alliance in 1985 it had been the full time when it wasn't used as commercially but were just set to certain organizations for testing purposes. Wi-Fi Alliance is pioneer in developing WiFi technology and most of the hardware related to Wifi is mainly certified by Wifi Alliance compliance. Wifi later developed properly and than eventually lunched for public use within USA in 90's, gradually wifi become standards for most of the computer communications in countless organizations all over the world

There was a time when cables were used to network many computers together. Hardware like routers, hubs, switches etc were necessary for communication between computers, but Wifi brought high tech change in communication of computers by giving wireless connectivity features. It just keeps things quite simple without much hassle and networks may be made much more easily. No wires are required. Wireless network keeps environment very neat and clean. There are lots of other options that come with Wireless LANs like top speed connectivity. Wifi provides high speed connectivity and faster communication where cables aren't feasible to install for example in remote areas. The list of the Wifi features is long various other major features included Site survey, enterprise grade equipment, Scalable systems, VPN Compatibility, flexible authentication methods, Guest satisfaction, End user mobility and quick access through Hotspots.

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WiFi supports two different types of modes; they are known to be infrastructure and another one is ad hoc. In Ad hoc Wireless connections could be made without central device called router or access point. Most network administrators prefer ad hoc over infrastructure mode. Ad hoc how ever have issues also. Wifi devices connected using Ad hoc mode offers less security against unauthorized users. Ad hoc mode configured devices cannot disable SSID broadcast on the other hand to infrastructure mode, this brings hackers into play, and using ad hoc mode it is not very hard to prevail into the wireless network. You will find two major differences between these two modes that is the rate at that they transfer data. Wife network standard 802.11g requires Ad hoc mode of communication to guide 11Mbps bandwidth on the other hand to it 54Mbps data transfer is supported using infrastructure mode. Hence Ad hoc mode is known as much slower than Infrastructure mode.

Wireless based networks are increasing every-where; every organization is installing it when it wasn't utilizing it before. Some cities have actually provided the entire city a wifi and turn the city into hotspot, big example before us is Chicago. Chicago have installed huge transmitter in form of big size dish of Wifi which broadcast Wireless LAN radio signals during the city. It gives top speed internet connectivity very cheaply. Laptops, desktop computers, PDAs and other Wireless LAN card installed devices can access the network and get high speed connectivity on move. WiFi users increasing daily therefore its hardware manufacturers are manufacturing these products on huge scale. These products are readily available in market with reasonable cost. Laptops, PDAs, mother boards of latest computer are mostly have build in wireless LAN cards. When it is not installed already in your laptop one can buy PCMCI slot wifi card to install for accessing wireless network. Wifi PCI cards will also be widely for sale in market. Now USB wifi may also be available for short range but nevertheless works good.

Intelligent routers can be found in market which works for connecting different devices to wireless network. These routers may be configured with or without PC. All is needed to plug internet cable in Ethernet or USB port to router's appropriate port. When internet can be acquired to routers it may be configured having its control panel using IP 192.168.1.1. That's where we can enable SSID broadcasting or disable it and perform other functions. PCs may also be attached with routers for more advance management which routers can't performs. PCs are mostly required to be properly used where network is huge and keeping and maintaining its integrity and stability is quite important.

In this modern era everybody wants every thing wireless, Wifi belongs to wireless technology family. There are so a number of other wireless technologies which may have evolved around enough time and Wifi has become taken for granted and world is now speaing frankly about much advanced and enhanced wireless network regarded as WiMax. WiMax beats Wifi technology on many bases which include Speed at which data rate is transferred, range with which connection is made and so much more. We have now to see in how much time WiMax will dominate WiFi, and which technology will ultimately dominate WiMax. A very important factor is for sure latest technologies in wireless technology will keep coming and will keep getting over looked by new ones.

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