Make up a fictious Organization, Setup the infrastructure for various departments, Pick business cases for different departments, Install servers for the departments, Have some ESBs in place for some departments, ServiceMIX, Synapse/WO2, Mule, Operating Systems, Already done, Solaris, CentOS Linux 4.4, Windows, Fedora Linux 7, Others, UBuntu, Mac, FreeBSD, Unix, Web service stacks, Axis2, JaxWS/Glassfish, Geronimo/CFX, Development work, Create simple applications for the departments, Expose services, Decide on 3-4 departments, Finance, HR, A name for the organization?
Probably have a external organisation to deal with
Use some external services also like Google, Amazon
Enable interaction between the departments
Make cross department running workflows
Expose service outside organization