Clemens Vaster, “SOA” doesn't really exist, does it?:

In the past months I've been throwing ideas back and forth with some of my friends and we're slowly realizing that “Service Oriented Architecture” doesn't really exist.

Yaron Goland, What is SOA? What isn't SOA?:

Yaron's Definition of Service Oriented Architecture (SOA): Networked code is good. The rest, as they say, is just commentary.

Mark Nottingham, REST vs..?:

SOAP can do this because its native architectural style, SOA, is a very low-level one (often summed up as “messaging is good”) [...]

I'm really getting excited by the progress in the world of SOA.