RPC, RMI and CORBA
RPC, RMI and CORBA
RPC, RMI and CORBA
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Remote Method Semantics• in creating implementation, must underst<strong>and</strong>delivery guarantee provided by system• relies on request-reply protocol (client-server lecture)• at-least-once• succeeded or failed, may have been executed multipletimes• at-most-once (Java <strong>RMI</strong>, <strong>CORBA</strong>)• if succeeded, executed exactly once• if failed, executed either zero or one times