Client Server Architecture | MSA Technosoft

Client-Server Architecture | Types Of Client Server Architecture

Client-Server Architecture

Client-Server Architecture is a distributed system architecture where the workload of client server are separated. Clients are those who request for the services or resources and Server means the resource provider. The server host several programs at its end for sharing resources to its clients whenever requested. Client and server can be on the same system or may be in a network. Client Server architecture is centralised resource system where Server contain all the resources. The server is highly secured and scalable to respond clients. Client/Server Architecture is Service Oriented Architecture that means client service will never be disrupted. Client/Server Architecture reduced network traffic by responding to the queries of the clients instead of complete file transfer. It replaced the file server with database server. RDBMS is used by the server to answer client’s request directly.

Client Server Architecture | MSA Technosoft

Types of Client Server Architecture :

  • 1 tier architecture
  • 2 tier architecture
  • 3 tier architecture

1 tier architecture :

1 tier Client Server Architecture | MSA Technosoft

In this type of client server environment the user interface, business logic & data logic are present in same system. This kind of client server service is cheapest but it is difficult to handle because of data inconsistency that allows repetition of work.

2 tier architecture :

2 tier Client Server Architecture | MSA Technosoft

In this type of client server environment user interface is stored at client machine and database are stored on server. Database logic & business logic are stored at either client or server but it must be unchanged. If Business Logic & Data Logic are stored at client side, it is called fat client thin server architecture. If Business Logic & Data Logic are stored on server, it is called thin client fat server architecture. This kind of architecture are affordable and comparatively better.

3 tier architecture :

3 tier Client Server Architecture | MSA Technosoft

In this kind of client server environment an additional middleware is used that means client request goes to server through that middle layer and the response of server is firstly accepted by middleware then to client. This architecture overcomes all the drawbacks of 2-tier architecture and gives best performance. It is costly and easy to handle. The middleware stores all the business logic and data access logic. If there are multiple Business Logic & Data Logic, it is called n-tier architecture. The purpose of middleware is to database staging, queuing, application execution, scheduling etc. middleware can be file server, message server, application server, transaction processing monitor etc. It improves flexibility and gives best performance.

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