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What are the High Availability feature and what are the protocols that rely on this feature? ماهي خاصية High Availability وماهي بروتكولاتها

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Question added by abdalrahman mohmmad , IT Engineer , mixfm
Date Posted: 2013/09/20
Mostafa Abdo
by Mostafa Abdo , Senior Infrastructure and Security Architect , Devoteam

High availability is a system design approach and associated service implementation that ensures a prearranged level of operational performance will be met during a contractual measurement period.

Availability refers to the ability of the user community to obtain a service or good, access the system, whether to submit new work, update or alter existing work, or collect the results of previous work. If a user cannot access the system, it is said to be unavailable.Generally, the term downtime is used to refer to periods when a system is unavailable.

and if you mean High Availability Protocols in Netwrok and Routers; there is two main famous protocols; VRRP HSRP.

abdalrahman mohmmad
by abdalrahman mohmmad , IT Engineer , mixfm

 uses Protocols HSRP, VRRP, GLBP 

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