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How does NAT allow private addresses to communicate over the internet?
Wiki User
∙ 11y ago
NAT or Network Address Translation actually comes in several flavors. Simply NAT and NAT PT (Port Translation) are available in both IPv4 and IPv6.
NAT uses a router or Integrated Service Router to translate your private IP address to a public routable address. Most home DSL or cable modems provide NAT services. 192.168.0.0 through 192.168.255.255 are defined as private addresses or "Not routed over the internet" addresses. There are other ranges such as 10. which won't be not routed over the public Internet
What NAT does is translate your private addresses to a public address or list of possible public addresses. PT which is sometimes referred to as port overload will send request using the same public address by associating the private address with a specific port.
Simply this means that even if only one public address is available many private requests can be serviced by assigning and then tracking a port assignment at the NAT point of service.
So if two NAT/PT serviced hosts both request different HTTP page downloads on the same public address each is assigned a different TCP port. When the request return they are routed to each private address based on the port number. Cool how it works.
This is not the same as proxies so don't get confused.
Wiki User
∙ 11y ago
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Give 2 reasons why NAT was developed?
i only know of one reason so youre internet runs faster The main reason for the development of NAT was to extend the life of IPv4 until a long term solution (IPv6) to dwindling number of IPv4 addresses could be provided. Another possible reason is the ability to allow multiple computers to connect to an external network (e.g. the Internet) through a single external IP address thus reducing the cost for connecting to the Internet. NAT's main use is to translate private ip addresses to public address so they can have access without revealing the private address NAT helps prevent overload on the router
Is there a software or a program that will allow you to type in several addresses and will plot them on a map for you?
yes its called software that will allow you to type in several addresses and will plot them on a map for you
My phone company says we are Dynamic and can not set up a static IP is this true?
It is a decision made by the ISP whether or not to allow static IP addresses. Most ISPs, in your case the phone company, do have static IP addresses available for an extra charge. Static IP addresses often require a business internet account.
