Between
application and transport
nLibraries to provide advanced functionality
nHide communication
Applications
nResource Discovery
nRemote Procedure Calls
nSecurity
nInteroperability (e.g., since Real-Time Corba)
nScheduling, resource management, performance
analysis
nMulticast
Software
development
nSimpler, faster
nState-of-the-art functionality
Middleware over
IP
nWealth of libraries for IP
nCritical
advantage of the Internet Protocol