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NETWORKING

:roup Members :roup Members:232 Fanoos:232 Fanoos:233 Sameer Mahajan:233 Sameer Mahajan:234 Saima Khan:234 Saima Khan:235 Sumit Mathew:235 Sumit Mathew

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O V E R V IE

W

NTRODUCTION TO NETWORKING ENEFITS OF NETWORKING OPOLOGIES OF NETWORKS

,TAR BUS AND RING EOGRAPHIC NETWORKS

OCAL NETWORKS RIVATE BRANCH EXCHANGES OCAL AREA NETWORK IDE AREA NETWORK

ERVICES PROVIDED ALUE ADDED NETWORKS ( )SYNCHRONOUS TRANSFER MODULES ATM ( )NTEGRATED SERVICES DIGITAL NETWORK ISDN ( )IGITAL SUBSCRIBER LINE DSL

ETWORK CONVERGENCE

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NTRODUCTION TO NETWORKINGof interconnected systems sharing resources and interactin, .odem Service eg email system

>>same programs Limited Resourcesr document storagefilestrategy thorized users to access.osts eg printer

)urce( )Transmission Medium( )ommunicate Protocols

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.eiving data.ion of datan computer acknowledges receipt of required data

.ning the origin and destination of a piece of information.or assigning network addresses

.ying each other across the networkd method for identifying and verifying devices connected t>>ct on users they need not know what applications run lo

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odes are homogeneous or heterogeneous in nature?the physical arrangement of participating computers in the, .ltipoint or broadcast type, .error rate redundancy and recovery procedures: ,ween nodes are to be routed through Deterministic Stochasti, , ,al models queuing models simulation models measurement and he communication lines connecting nodes?- -etwork is direct access or through a sub network?rmats are to be followed while establishing communication be

, , .nect resource utilization etced control or hierarchical control

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ETWORKING TOPOLOGIES>> verall layout or topologyified by the way they are physically connected is the overal( )he arrangement of the connective medium such as wires on, &AR RING BUS

.central host computer All communications between network device

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, each network device has a cable that connects between thetch which acts as the traffic controller for all the compon

( ) ,ilure of one computer connected to the hub wont affect etwork will continue to function

cellent point for centralized administrationsources are managed from one locationrformance of administrative tasks are easier

sier to troubleshoot

ilure hub results in the network going downires more cable than BUS topology

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osed loop in a manner that passes data in one direction from on

.nected in a continuous circle of cable There are no ends to terng topology is not a passive topologyal is boosted along the cable when it passes through the computch computer in the network can communicate directly with any otch processes its own applications independently

,e connecting wire cable or optical fiber forms a closed loop,one computer fails it can affect the entire network

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, , -ingle circuit made of twisted wire coaxial cable or fiber optic

( nding data to a specific address on the network a device s addre

bly the most used form of networks .are broadcast in both directions to the entire network .ponent doesn t affect the functioning of the networka time can transmit data on a Bus network or signals will colli,evices only listen for data being transmitted they do not move