What is H-Cura? About H-Cura Why H-Cura Product Content Other Features
H-Cura Architectural Advantages   Security and Backup   Advantages of Three-Tiers Architecture Thin Clients The Application/Business logic resides on the middle tier and thin clients can be used which just have a web Browser Installed on it. Isolation of Concerns Database manipulation facilities is clearly separated from the front-end clients. Enabling Database Migration Database restructuring, upgrades migration or other changes can be performed without substantially affecting the client programs. Front-end Modifications Similarly, new front-end clients can be introduced or old ones removed without any need to modify the database or provide new access mechanisms. Reduced Database Loading The database machine benefits from fewer connections. Moreover, there is reduction in the potential for conflict on any hot spots in the data. Easy Interfacing Connectivity to other systems/applications is easily possible since the entire business logic resides on a central machine. Scalability Scalability is much more easier in 3-tier architecture. This means to accommodate more client machines in future, we can just increase the number of application servers, instead of replacing the entire server with a higher configuration server. Platform Independence The client machines can be on different platforms. So it is not required to have a platform specific version of software at every client. Implementation and customization is much easier as it is not required to be done at each client machine. Updation is only required to be done at the Application server level. So the Future customizations can also be very easily carried out.
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