Work Finished:
   1.Basic learning of SOA,ESB,MDA in RSA.
   2.Gathering lots of integration related materials to study.
   3.Learn a bunch of BPEL samples.
   4.Discussion of overall system architecture and technologies to use.
   5.Disucssion of basic system requiements.
   6.Basic design of service architecture.

Work ToDO:
   1.Continue learning
   2.Study integratioin cases
   3.Continue discuss of system and requiements.
   4.Refine design of service architecture.