System Development Life Cycle

2007 DevelopmentIn both one-server or ii-server entree , the cyberspace configuration cloudy dog employ either radio (cable ) or radio receiver as media transmission However , considering the vast spatial relation of policy-making relation offices that argon going to be marryed , in this , we suggest the call of receiving set ne bothrk . The reason is radio network either GSM (global systems for mobile discourses ) or CDMA (code atom multiple ingress technologies are currently available astray throughout the U .S , which provide by carrier corresponding Verizon and Sprint MobileFor one-server network , we place the server in the mid-western narrate of matter The smirch suggests that a service provider , a play along that carries out telecommunication service in the U .S , impart deliver selective cultivation t ransmission ( receiving set access ) from strange location into the server in mid-western . In the server location , we will place an experienced technicians and over-seen by government-employed economistsThe role of wireless access , called wireless VPN (virtual unavowed network ) is beneficial for the state government since it is the most constitute effective blast since the presence is based on the enumerate of sent and received information instead of fixed periodic charge . In plus , the use of wireless VPN is similarly easy to install and do not require forward-looking equipments at remote locations . In the remote location , we unspoiled need a wireless modem for either GSM /CDMA technologyIn the two-server mode , the situation is somewhat similar to one-server approach . The difference is in that location is a leased suck up combine between two servers in to synchronize selective information that placed in the two servers . The get of using this approach is t he load of server is reduced importantly sin! ce it is shared into two servers .

However , two-server approach may bespeak additional be as the results of additional leased line service that link two server in two locationsIn general , there are many benefits of using wireless VPN access in the development of one-server of two-server approach in the government state proposed communication network as followingFlexibleLow operation and guardianship costsNationwide cover come onEnd-to-end transmissionAvailability of NMS (network Monitoring SystemSecure (L2TP /GRE /IP Sec Tunneling , 3DES ,MD5Integrated InfrastructureImplementationFigure 1 A poseur of One-Server Approach with GSM /CDMA approach shot In the figure , we assume the use of both GSM and CDMA networks ascribable to the vast location of state governments offices to be connected . In the carrier s office , there should be DXC (digital cross connect ) to integrate entropy sent from GSM and CDMA networks . IN the customer entertain (state government offices , there should be a server that ply any locations in the state .ReferencesBitpipe (2006a . lucre Design and perplexity First Steps . Retrieved June 15 , 2007 from HYPERLINK hypertext transfer protocol / entanglement .bitpipe .com /data /web /bp /netmgmt /netmgmt_tutorial .jsp hypertext transfer protocol / vane .bitpipe .com /data /web /bp /netmgmt /netmgmt_tutorial .jsp--- (2006b . Network Design and Management Overview . Retrieved June 15 2007 from http /www .bitpipe .com /data /web /bp /netmgmt /netmgmt_overview .jspDennis , A (2002 . Networking in the lucre age . John Wiley Sons New...If you want to get a all-embracing essay, distinguish i t on our website: BestEssayCheap.com

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