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Understanding Network Structures: Peer to Peer Networks, Topologies, and Packets, Slides of Information and Computer Technology

Ankit Institute of Technology and Science Information and Computer Technology

An overview of various network structures, including peer to peer networks, network topologies, and packets. Topics covered include the logical layout of wires and equipment, advantages and disadvantages of different topologies, and the role of packets in data transmission. Peer to peer networks are discussed, with a focus on their equal node structure and resource access. Network topologies are explained, with a focus on bus, star, ring, and mesh topologies, as well as their advantages and disadvantages. Packets are defined, and their creation, transmission, and error control are discussed.

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Uploaded on 07/30/2012

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Download Understanding Network Structures: Peer to Peer Networks, Topologies, and Packets and more Slides Information and Computer Technology in PDF only on Docsity! How Networks Are Structured • Peer to peer networks (P2PN) – All nodes are equal – Nodes access resources on other nodes – Each node controls its own resources – Most modern OS allow P2PN – Distributing computing is a form docsity.com 5. Network Topologies • Topology – Logical layout of wires and equipment – Choice affects • Network performance • Network size • Network collision detection – Several different types docsity.com Network Topologies • Star topology – All nodes connect to a hub • Packets sent to hub • Hub sends packet to destination – Advantages • Easy to setup • One cable can not crash network – Disadvantages • One hub crashing downs entire network • Uses lots of cable – Most common topology docsity.com Star Topology http://www.teach- ict.com/as_a2/topics/networks/pages/chap5_files/star.gif docsity.com Network Topologies • Ring topology – Nodes connected in a circle – Tokens used to transmit data • Nodes must wait for token to send – Advantages • Time to send data is known • No data collisions – Disadvantages • Slow • Lots of cable http://ucan.us/doyetech/images/ringtop.jpg docsity.com

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