two-tier architecture

Discussion in 'Java' started by gk, Sep 10, 2010.

  1. gk

    gk Guest

    In three-tier architecture we know we have 3 tiers , presentation
    layer ,business(logic) layer, database(data) layer.

    In two-tier architecture , what are the two layers ? which layer will
    be missed here ? or we can count any two layer from the above ?
     
    gk, Sep 10, 2010
    #1
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  2. gk

    Hole Guest

    On Sep 10, 1:27 pm, gk <> wrote:
    > In three-tier architecture  we know we have 3 tiers , presentation
    > layer ,business(logic) layer, database(data) layer.
    >
    > In two-tier architecture , what are the two layers ? which layer will
    > be missed here ? or we can count any two layer from the above ?


    In the two-tier architecture, presentation and business logic are in
    the same tier.
    (That doesn't mean that the two are strongly coupled...look for the
    difference between tier and layer definitions).
     
    Hole, Sep 10, 2010
    #2
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