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model 2 architecture in struts

model 2 architecture in struts  controlling  logic is completely secerated  from presentation logic  .
 
model 2 architecture controller part can be implemented  using servlet

model 2 architecture view  part can be implemented  using  jsp

model 2 architecture model  part can be implemented  using ejb3 or spring

 in the model 2 architecture servlet is providing single entry point to all of the client .
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