router : Java Glossary

by Roedy Green ©1996-2009 Canadian Mind Products
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router: On Internet, each conversation is a two way exchange of packets. Each packet is labelled with the address number of its sender and receiver. Special purpose computers called "routers" direct the packet on the next leg of its journey. Each packet may take a different route, and may arrive out of order. A PAD (Packet Assembler / Disassembler) puts them back in the correct order. A routine can also be used to link two LANs together. It is smarter than a bridge. It looks at the destination of each message and decides if it necessary to pass it on to the other net.

router in the context of home computers

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