| When to use WLAN? Why to use wireless? I will | | | | 1) Mobility and Availability To hook up to the |
| find answers on all these questions. | | | | network, you only need to open your laptop and |
| World has become increasingly mobile. Mobile | | | | push button to enable wireless network. That's all. |
| phones have changed our word. But this is not | | | | You don't have to worry about cable length or |
| enough. | | | | finding a plug. You just take your laptop no |
| We want to use much bigger bandwidth that | | | | matter you go, living room in a sofa, working |
| mobile networks are offering. We want mobility | | | | table, or toilet... |
| and availability for our PCs also! | | | | 2) Cheaper and quicker deployment Adding users |
| WLAN networks are offering bandwidth of | | | | is matter of configuration. It doesn’t involve |
| 54Mbps. New standard 802.11n will offer us | | | | making physical connections. You don’t have |
| maximum of 540Mbps. I said “will” | | | | running cables, punching down terminals, patching |
| because standard isn’t released yet, but on | | | | new jacks. Wireless technology saves significant |
| market you can already find it. | | | | amount of money on cabling cost and labour. |
| With wireless connectivity you don’t have | | | | 3) Increasing productivity Result of researches |
| any restrictions, you can move freely in a range | | | | show that wireless technologies have direct |
| of wireless network. With laptops, palms and iPods | | | | impact on productivity. |
| you can enjoy full benefits of wireless technology. | | | | But you also have to be aware of : |
| You just have to find Hotspot, and today, for | | | | 1) Limited number of users and lower bandwidth. |
| sure, it isn’t problem. | | | | Wireless transmission is slower, less efficient and |
| If you want to implement network in your home | | | | less reliable comparing to wired. Backbone is in |
| or office, WLAN is great choice. You don’t | | | | most cased wired. |
| have to demolish your walls for network jack. | | | | 2) Less security Wireless is more vulnerable for |
| You don’t need to have cables all over your | | | | malicious attacks. So you need to use extra |
| floor. For meeting rooms and conference rooms, | | | | security. |
| wireless is also an ideal choice. | | | | 3) Interference and lost of signal Wireless |
| Imagine your favorite coffee house, drinking | | | | network could interference with other wireless |
| coffee, checking mail and read news on internet. | | | | networks in the building and interference with |
| What about airports, train stations? Perfect places | | | | other radio signals. It could cause to lower |
| for Hotspots! | | | | bandwidth or even to no connection - black spots. |
| What are WLAN advantages comparing to | | | | The reason for this is steel reinforcing materials. |
| traditional wired networks? | | | | |