data

IntroductionDataProtocols & StandardsNetworkData CommunicationDefinitionDefinitionRequirementsEffectivenessComponentsData FlowExchange of DataTwo devicesTransmission mediumDCSHardwareSoftwareLocalRemoteDeliveryAccuracyTimelinessJitterTypesDuplexHalf-DuplexFull-DuplexProtocolsStandardsRules governing data communicationKey elementsWhat is communicatedHow it is communicatedWhen it is communicatedSyntaxSemanticsTimingStructure of format of the dataMeaning of each section of bitsWhen data should be sentHow fast they can be sentGuidlines for manufacturersData communicationDe factoBy fact/by conventionDe jureBy law/by regulationSet of devices connected by communication linksDistributed processCriteriaSecurityPerformanceReliabilityMeasuredEvaluatedTransit timeResponse timeThroughputDelayMeasuredAccuracy of deliveryFrequency of failureTime to recover rom failureNetwork's robustness ostustrpheFire, earthquake,theftProtectionBackup,network,Software etcPhysical structurePhysical topologyCategoriesIntranertworkInternetLinkTypes of connectionsCommunication pathway that transfers data from one device to anotherPoint to pointDedicated link between two devicesMultipointSingle link can be shared by more than twoSpaciously shared connectionTimeshared connectionPhysical layout of the networkTypesMeshStarBusRingLANMANWANPrivately owned and links a single office's devicesSize is within few kilometeresResources are sharedArea of a town or cityHigh end connectivity and have endpoints spreadLong distance transmission over large geographical areasSwitched WANPoint to pont WANTwo or more networks connectedConnected using routers/gateway
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