Network Technologies Presentation

16 Oct No Comments

Network Technologies Presentation

CMGT/554

Local, Metropolitan, Wide Area Networks

Global Enterprise NetworksProvides the availability and integration of networks around the world. Must evaluate overall needs of the entire organizational networkFactors include Data Rates, Costs, and ReliabilityWhile some services include lower costs they may not provide reliabilityMay provide intercity communications, country-wide communications, and even communication between countriesProvides a means for organizations to operate both domestically and throughout the world simultaneously via one network.

LANAdditional users may slow networks (bottlenecks)Server and circuit capacityServer performance, operating systems, computer speeds, etc. MetropolitanUpgrading equipment, circuits and backbone can increase performanceDemand may be higher in some locations Dynamic routingPacket-Switched servicesMay add additional circuits to increase performanceWANAcquisition of backbone servicesModerate costs for services, excluding SONET servicesCan increase circuit speeds, routing, and upgrades to increase performance

Local, Metropolitan, Wide Area Networks

Elements of Risk Assessment & Mitigation

Assess information and infrastructure assets Identify threats Estimate the impact Determine the risk Plan the controls

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}FeatureFiber Distributed Data Interface (FDDI)Asynchronous Transfer Mode (ATM)Multiprotocol Label Switching (MPLS)Traffic SupportedDataData, Video, VoiceData, VoiceTechnology UsedShared-mediumCell-switchingShared-mediumSpeeds100 MbpsObtains full bandwidth accessOnly limited by connectionSpecial featuresDual ring LAN. Provides fault toleranceEnables devices to operate at different ratesNetworking in the cloud. Uses MPLS provider.

Reference

FitzGerald, J., Dennis, A., & Durcikova, A. (2015). Business Data Communications and Networking (12th ed.). Hoboken, New Jersey: John Wiley & Sons, Inc.http://www.etherspeak.com/blog/what-is-mpls-and-its-benefits/https://technet.microsoft.com/en-us/library/bb962019.aspxhttp://www.cisco.com/cpress/cc/td/cpress/fund/ith2nd/it2408.htm




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