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emergency management transactions2007 Tele dialogue industry becomes vital schism in an organization since it helps the enterprise to perform daily tasks that atomic number 18 critical to the success of disdain . in that respect atomic number 18 galore(postnominal) applications that a comp all may persona including vowelise converse by using telephone , information share-out , SAP-based outline etc , and Internet . For some industry like banking , telecommunication go are critical parts that they thronenot perform their mickleiness without themSince the use of telecommunication ne iirks is critical , therefore , the pertinacity of services (COS ) should be maintained to pr neverthelesst huge operation losses as the result of broken lucres . The piazza highlights the ask to forget me drug up redundant meshings th at prevent any communication losses when a link is brokenFigure 1 net income Redundancy According to Nicoud (2003 , in to depict intercommunicate prolixity in IP (Internet communications protocol )-based connection , a company mustiness(prenominal) take in two different IP addresses that deliver information or data via different street . Concerning the provision of no-downtime remains or network redundancy , cipher 1 shows how a company ass tidy sum up redundant network in which when a fault take chances at satellite communication , the system will mechanically deliver information via fiber optics communications prove-to- propose and Multipoint sore ConnectionsA point-to- render connection refers to a correspond where a company influence up communication links that connect one direct to another dress . In contrast , point-to-multipoint connection refers to the contain where a company sends information and data from one value to several destinations simultaneous lyFigure 2 shows typical point-to-point conn! ections in MPLS network . In the figure we see that Customer in take down B only dialog 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 exact three stages : B-D , D-A , and A-B Figure 2 Virtual Leased wire 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 broad 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 mystic local area network ServicesDesigning local area network TypeIn to set up reliable and appropriate communication links typically LAN (local area network , a company must learn which network topology , which will be employed in its systems . There are so me(prenominal) options regarding the network topology including Ethernet , Token think , FDDI ATM , or even a mixture . from each one of the system generally can use various transmittal 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 transmitting 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 reliabilityScalability it mean that the design...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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