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emergency management works2007 Tele dialogue industry becomes vital stock split in an organization since it helps the enterprise to perform daily tasks that atomic number 18 critical to the success of vocation . on that point atomic number 18 galore(postnominal) applications that a comp either may persona including fathom converse by using telephone , information sharing , SAP-based outline etc , and Internet . For some industry like banking , telecommunication go are critical parts that they thronenot perform their moundiness without themSince the use of telecommunication ne iirks is critical , therefore , the persistence of services (COS ) should be maintained to pr neverthelesst huge operation losses as the result of broken lucres . The piazza highlights the need to forget me drug up redundant meshings that p revent any communication losses when a link is brokenFigure 1 interlock Redundancy According to Nicoud (2003 , in to depict net profit redundance in IP (Internet communications protocol )-based connection , a company moldiness(prenominal) take in two different IP addresses that deliver information or data via different pathway . Concerning the provision of no-downtime remains or network redundancy , bode 1 shows how a company ass stick up redundant network in which when a fault progress at satellite communication , the system will mechanically deliver information via fiber optics communications prove-to- propose and Multipoint pallid ConnectionsA point-to- headway connection refers to a correspond where a company get up up communication links that connect one assign to another dress . In contrast , point-to-multipoint connection refers to the check up on where a company sends information and data from one maneuver to several destinations simultaneouslyFigure 2 sh ows typical point-to-point connections in MP! LS network .

In the figure we see that Customer in pass B only duologue or connects with Point D and Customers in Point C only talks to customers in Point A Therefore if a customer in Point B wants to talk with their counterparts in points C , the routing will beat three stages : B-D , D-A , and A-B Figure 2 Virtual Leased stemma system or Ethernet Leased LineMeanwhile , figure 3 shows the point-to-multipoint connections in which customers in Point C can directly talks with their counterparts in Point C without the need to undergo pertinacious paths . The situation suggests that point to multipoint is better in terms of network habit since it is more efficient that point-to-point connections .Figure 3 Virtual sequestered local area network ServicesDesigning local area network TypeIn to set up reliable and appropriate communication links typically LAN (local area network , a company must settle down which network topology , which will be employed in its systems . There are some(prenominal) options regarding the network topology including Ethernet , Token hoop , FDDI ATM , or even a mixture . each of the system generally can use various contagion media such as radio connections and fiber optic communicationsPrior to the set up of LAN communications , a company must consider comprehensive factors including topology (star , mesh , or bus contagious disease media ( cableless or wire line /cable , transmission speed (bit rate ) and many other . Whatever the options are , LAN design must adopt four elements as followingFunctionality LAN must provide users with acceptable speed and reliab ilityScalability it essence that the design...If you! want to get a full essay, order it on our website: OrderCustomPaper.com

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