Router Server

The Internet is growing very fast pace, only to get it better every day. Is, all devices connected to the Internet (some high-end Web servers, VoIP switch that let you PC, device or other I fell in love you could imagine a new sleeky iPhone's) unique ID number is required. Device to communicate with or without the identity of the receiver can not All communication. That your home address or phone number you probably - believes that your colleagues and friends at this unique and used to reach you. In Internet terms, this unique address, also known For the IP address.

The current IP address system is about 220 3300000000 may have a unique address. However, when you connect the device with the rapid growth of the Internet To do this, there is only address that can be used to assign all of the unique is not enough. Now, it's a problem! Nevertheless, the solution of all problems, or so, and are not good. So, Solution to the problem of scarce IP address? - NAT's.

NAT has a unique IP address to get the mechanism of the device and shared pool. You despair, "etc. Thats Share The address of my house with someone else! ", Or" like to share with other people my phone number Someone Thats! "Well, in a sense, but something that is not bad. Imagine Your job, not a place, everyone is unique / desk phone number directly. If the extension you have employees and primary phone number. Your extension 1001, could, his friends Tom, Dick Harry can have a 1002,1003,1004 respectively. Is important to note that one would be unfamiliar with the extension office in the next several unique, not your global extension 1001, many strangers, you can have the same extension number in many parts of the world (eg :212-777-3456 ext: a pair of the company's main telephone number using your extension 1001) The same pair have the same time you where in the world and everyone's unique.

Similarly, most Internet users / devices, usually belonging to the private sector Pool / Create a group - for example, your workplace, too many universities only have the IP address Since few, we give an extension to the user. In Internet terms, this extension is known as private IP address Address. Your organization (in most cases is called a public IP address), will have a unique IP address within the organization through their private IP address will be. It all makes sense It is called the public what has been published on the Internet, any group, called the private is not private. A lot of other people, parts of the world, the same private IP address can be used As yourself, like a cell phone / extension and analogy, the public and private IP addresses to form a unique pair together.

Cases, to identify how the private IP address if you have Or public IP address? It is very easy. If the start of this address or 10.xxx IP address (172.16.xx of upto 172.31.xx) or 192.168.xx is that it has a private address.

Online phone system / in your office PBX system to remember your desk, your extensions, and to send a call like that is, a device, installed in the organization / network are that In general as a router, private IP address, public IP to take care of the bridge.

Therefore, in its most basic form, NAT is just one single unique public IP address is a mechanism for taking Sharing, and bridge / client with multiple pairing / devices, to manage the private IP address.

However, NAT is a workaround IP as fascinating to address shortage problem, sound Has its own limitations and problems. In the context of NAT on VoIP, and its related problems and more advanced explanation, please specifically. In this article, Knowledge Calls from the Base network RedVoIP. As more knowledge about, please drop by.

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