Implementation Aspects To Secure Criticaldatain Public Cloud Network Using Opnet Simulator

publictoaccesstheseapplication,software and PlatformatlowcostwithoutanySecurityMechanism, but insidethisdeployment Cloudsometimecriticaldatarequired privacyfromglobaluserand   atnowonlyexistingfirewall mechanism usedtoprotectthecriticaldatafromattackers by creatingVirtualprivatenetworkwhichiscostlymechanism forshort period. This paper describes thePublic Cloud Networks,Criticaldata, existingmechanismand proposed Architecturewithimplementationtool