Data Communications -- Networking

Assignment 2 set-back we charter (WAN ) ne twainrkThe analysis situs use of goods and services in this net profit is (BusNetwork topology )this type of topologies connects apiece(prenominal)(prenominal) entropy mainframe (nodes to a single division trunk (a communication harvesting line , typically palaver cable that is referred to as the slew . The forecast travels from bingle end of the carriage to the opposite . A eradicator is involve at each to absorb the symbol so as it does non ricochet back across the coach-and-four . A media access manner called CSMA /MA is used to dispense the smasher that occur when two br signals placed on the electrify at the homogeneous time . The bus topology is passive . In former(a) words , the computers on the bus plainly listen for a signal they ar not creditworthy for pitiable the signal along and it has an important advantage that the visitation of wiz of the station does not affect othersIn each branch there is (local area networkS ) computer network with it s own and separate entropybase , so we sine qua non two (LANs ) networks and scarcely sensation (WAN networkThe first beau monde affiliated with the second ships company via frame relay with opposite speeds correspond to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies burn down committed each other with a router resided in one of them ( main(prenominal) companyEach sub-networks in the network provoke connected via switchesWe also need main router to connect two (LANs ) networksWe moldiness use (TCPIP ) protocol . TCP /IP assigns a unique derive to any workstation in the conception . This IP number is a quad byte value that , by convention , is expressed by converting each byte into a decimal fraction number (0 to 255 ) and separating the bytes with a dot . For case , the PC lube and Tune server is one hundred thirty .132 .59 .

234Three pieces of randomness must be requiredThe IP cite designate to each personal computerThe department of the IP address (the subnet dissemble ) that distinguishes other machines on the uniform LAN (messages undersurface be move to them directly ) from machines in other departments or elsewhere in the world (which are sent to a router machineThe IP address of the router machine that connects this LAN to the rest of the world ( HYPERLINK http / meshing .yale .edu /pclt /AUTHOR .HTM H gibibyte ,2004The required bandwidth for this network must beDial-up modem : 56Kbps or ADSL 256KbpsISDN : 128KbpsT-1 : 1 .54MbpsEthernet : 10Mbps fast(a) Ethernet : 100MbpsGigabit Ethernet : 1000MbpsEthernet , Fast Ethernet , and Gigabit Ethernet familiaritys are Full convert apartment . This means they can send AND receive data at the listed speed at the same time . So in ingenuousness you could depute 20Mbps of data utilize a 10Mbps internet connection if you were move and receiving at richly capacity (Jon Daniels ,2005All servers must be connected in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet union (used for employees data backupBackup server (used as a failover server via CA spunky availability software program for the main...If you want to get a full essay, order it on our website: Ordercustompaper.com

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