CLIENT-SERVER ARCHITECHTURE(CSA)

CLIENT-SERVER ARCHITECHTURE(CSA):

CLIENT-SERVER ARCHITECHTURE(CSA) By NAJARIN

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Client-server architecture(CSA) CSA is distributed,cooperative,processing environment where by the entire task of processing is dividend in such manner that there is a demand on the system through a client and there is a server in the system to serve this demand.

Client-server architecture Model client-server architecture model:

Client-server architecture Model client-server architecture model Server Application server Logic Database Lan or Wan Netware Server Client p PC Application client Logic Client p PC Application client Logic Client p PC Application client Logic

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Client-server architecture Model mainframe- model (one tier model) Terminal Terminal Terminal Terminal Host computer entire application

Client-server architecture Model pc-centric client-server model(2 tier model):

Client-server architecture Model pc-centric client-server model(2 tier model) Server Database Entire processing Logic Sits on PC-client. The processing is distributed PC PC PC PC Workstation Tier 1 Tier 2

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Client-server architecture Model Client-server three tier model Database server PC PC PC PC Application server Transaction processing Application server Transaction processing Clients Clients Tier 1 Tier 3 Tier 2

Client-Server Implementation Strategies:

Client-Server Implementation Strategies Setting the goal, time frame to cover the scope. Forming a project group of experts supported by consultants. Discussing the requirements of information in terms of definition,scope,content,number of users and so on. Making a broad classification of applications as critical & non critical, transaction intensive &data intensive.

Contd….. :

Contd….. Deliberating and deciding hardware,software,operating system needs and configuring each of them based on load, nature of load,user,reporting needs & so on. Making plan of a networking platforms with infrastructural details namely servers, routers, gateways. Assessing the needs of hardware and software of all kinds in terms of users, capacity, capabilities and quantity.

Contd……:

Contd…… Finalising the number of servers, client and hardware components in network with clear role identification as data servers, application server and clients. Focusing on long term requirements.

Thank You…:

Thank You…