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Given two computers attached to the Internet that know nothing about each other before hand, is it possible for one computer to be able to broadcast a message so that the second computer could receive it and respond?
I know UDP broadcast exsits, but I believe that those are generally filtered by the ISP before it reaches the true Internet. Is this true?
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Using the Internet, computers connect and communicate with one another, primarily using the TCP/IP (Transmission Control Protocol / Internet Protocol).
Step 1: Connect two Computers using an ethernet cable. Step 2: Click on Start->Control Panel->Network and Internet->Network and Sharing Center. Step 3: Click on option Change Advanced Sharing Settings in the upper-left side of the window. Step 4: Turn on file sharing.
When two or more computers are connected together so they can communicate with one another, they form a network. When two or more computers are connected together so they can communicate with one another, they form a network. The largest computer network in the world in the Internet. Was this answer helpful?
Restart your computer, open the Network and check if nearby Windows computers are displayed. If these tips did not help, and the computers in the workgroup are still not displayed, try to reset the network settings (Settings -> Network and Internet -> Status -> Network Reset). Then you need to reboot the computer.
The current best way to achieve a multinode network without centralized coordination is through the use of Distributed Hash Tables. That link explains a bit and links to various implementations you can leverage.
That said, you still need each machine to coordinate with at least some peers. It's just that you don't need it to coordinate with a central server. A solution using a central server that know both (all) participating machines will also work, but imposes further restrictions on anonymity and scalability, just remember what happened to Napster.
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