What does packet mode computer networks mean?
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I am doing a research paper on internet routers and I wanted to explain how routers work by explaining data packets first. But every where I look I see explanations for data packets like "In computer networking, a packet is a formatted unit of data carried by a packet mode computer network". What does that sentence mean, what doest packet mode computer networks mean in plain english??? Please, help me explain in human language what that sentence means and also, if you have great places where I can get further information about internet routers in regards to their history and how they work - in plain english - I would greatly appreciate it.
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Answer:
Packet mode is just another term for packet switching. Packets are a file or any information for this matter, "smashed into bits" (or packaged into smaller pieces for a simpler term) and sent over the wire at the speed of light from router to router. Each packet has a header, destination, etc. Packet switching can explain this: http://en.wikipedia.org/wiki/Packet_mode
gelila b at Yahoo! Answers Visit the source
Other answers
ok so lets start.... data packet...> suppose you are making a phone call over your PSTN line..you talk with continuous analogue signal and a end to end (your side to to whom uou are talking to ) channel assigned to you and keeps open till you end your call and every intermediate device in between your way to ypur destination assign a channel for you permanently. and every signal bit of your voice follow the same path.. this is circuit mode.. now suppose you are talking to some one over internet... your voice is digitized data stream........ this stream converted to little little data chunks called packet... these packet sent to near by router ... that router decide path for that particular packet and forward accordingly.... next packet of your same stream may or may not go via that router.. this is called packet mode... generally data network are all packet network... additionally read TCP/IP for the same..... :)
Saurabh s
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