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Saturday, May 3, 2008

Wireless ADHOC Networks

Why and when would you want to install a wireless adhoc network? Well you would want to install a wireless Ad HoC network when you do not have the equipment for a wired network; you lack a wireless router and want to share an internet connection, or a temporary meeting place where you need to share information.

The first type of set up will be if you do have an internet connection but you lack a wireless access point or a wireless router to share that connection. This could be a very common scenario at a business meeting or during a classroom study session.

First, each computer will need a wireless adapter. Next click the advance tab near the bottom right and click (computer to computer ad-hoc networks only). Second you will need to add your ad-hoc wireless network so click add. Fill in the network name (SSID) and choose WEP encryption. You will want to use WEP if are using older adapters and use WPA if you are sure all the computers on the ad-hoc wireless network can handle it. It is not a requirement to use encryption but just remember that anyone will be able to join your network.

Because we will want everyone to share our wired Ethernet connection you will need to enable ICS (Internet Connection Sharing) on the wired network adapter not the wireless adapter. This seems like common sense but I have seen many people trying to setup ICS on their wireless adapter. Just go to your network connections and right click the Ethernet connections and press the advanced tab. Check the box that says enable ICS. Once you have setup your ICS, go to every computer and configure their wireless adapter like you did the first one.

ICS will act as a DHCP server and assign private TCP/IP address to your ad-wireless network clients. Each computer will receive a TCP/IP address from 192.168.0.1 to 192.168.0.254. ICS will also tell the computers on the network the location of their default gateway which is the computer you set up ICS on.

Trouble shooting a wireless ad-hoc network can be a head ache. Make sure you set up the ICS computer and one client computer. You will want to check to make sure that the first client computer has the correct IP address so type CMD into the run box to bring up the command line. Next, type in ipconfig, you should see a number of 192.168.0.2 or something similar. Next type ping 192.168.0.1 or the number of your default gateway. If you can ping it you should see four reply messages.

Once you have the first two computers connected correctly, just go to all the other computers and configure the wireless adapters the same way. Other common mistakes are: leaving the firewalls on, wrong encryption and just general typos.

In my next article I will describe how to set up a wireless ad-hoc network with-out a wired LAN internet connection.

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Profitable Review For Xbox 360 Vs PlayStation 3 Today

The PlayStation or the Xbox: which will win? It is one of the greatest rivalries of the gaming world, and the latest round - Playstation 3 vs. Xbox 360 - will soon be upon us. The PlayStation 3 will start launching this November nationally at US territories and some other countries, some months after the Xbox. The advantage on that front goes to the Xbox.

But the PlayStation 3 has a lot going for it, and the buzz it has been building up is outstanding. Sony is already shipping hundreds of thousands of units - an initial release of 400,000, with more than twice that number by the end of the year. It is very likely that all of these will sell out, as everybody scrambles to see what they can do with the PlayStation 3. Meanwhile, the Xbox 360 has a head start of almost a year, and has built up an impressive line of games.

The advantage on games does not go entirely to the Xbox, though. Sony already has a stunning line-up of PlayStation 3 games - at least 27 of them are in the works, and many of these will be available from the launch date. Games for the PlayStation 3 include Need for speed: Carbon, Resistance: Fall of Man, Ridge Racer 7, and Fatal Inertia. Even before its release, the PlayStation 3 triumphed at the Tokyo Game Show, as several PlayStation 3 games were given awards. In addition, the PlayStation 3 will be able to run all games built for the PlayStation 2.

The PlayStation 3 has another trick up its sleeve - what is being described as user created content. That is, the PlayStation 3 promises to bring some gamers out of their passivity, and empower them to add new features to the coming console. This should appeal to PC Gamers, who are used to the joys of mudding, and creating new levels and environments for games. Sony hopes that they will transfer their talents and enthusiasm to the PlayStation 3. Microsoft typically takes a much less enthusiastic view of user-created content, and the Xbox has very limited capacity in that regard- at least in our many of our reviews.

The Xbox and the PlayStation 3 both have online services, but these are quite different in style. With the Xbox, everything is tied closely into the Microsoft empire through the medium of Xbox live. Sony has taken a more hands-off approach, and it seems there will be the option for gamers to choose one of several online services. It will be possible to play tournaments online through the PlayStation 3.

Who will win this battle? In the short term, the PlayStation 3 will likely win the Christmas sales battle - provided Sony can ship enough units to keep up with demand. But that is simply because they are the new kid on the block. In the longer term, expect sales of the two consoles to be fairly similar - and impressively high in both cases, perhaps between 20 million and 30 million each over the next few years. And whoever claims triumph in the console battle, the gamers will win, being able to play the two most advanced consoles ever created. In the battle of the Xbox vs. the PlayStation 3, we all win.

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