From Shrubbery

[edit] "My Application is 100% Buzzword Compliant"

Buzzword	Hype Level	Real Definition
SOA	Extreme	Service Oriented Architecture is basically the idea of providing pluggable, relatively stateless libraries for applications to use. Really it's about a return to making libraries of functions (even if they are invoked remotely). Service Oriented Architecture The real meaning of SOA
REST	High	wikipedia - REST