High availability application architecture
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In information technology, high availability application architecture is a process followed when implementing a new application into an existing business-wide computer system or ERP while minimizing downtime.
In the above definition, high availability is "a design and implementation that ensures a certain degree of operational continuity", and application architecture refers to the actual concept and design of implementing a new configuration into the particular system.
In the IT world minimizing downtime is very important, and in order to implement a new configuration into an existing computer system one must follow strict architectural guidelines before releasing the new configuration into production. Following the application architecture guidelines will greatly reduce the potential downtime when implementing a new configuration into an existing system.
Stages of architecture
There are three stages that an application must go through before it "goes live." Each of these stages must pass through the transport directory before going on to the next stage.
The final stage that the application enters is the production stage, which entails the actual system that a company runs its business on.
The transport directory serves as a compiler for all of the changes to the application that occur through the stages. This component is the mechanism that allows the changes to be tracked from stage to stage. When the application is released for production, it will be delivered out of the transport directory.