I have been tasked with writing a How To document for my organization. I have
written web services before but am undertaking this endeavor. I have started
with a priliminary list of what I think should be involved in this document.
Can anyone think of anything I missed?

what do we need to do with interoperability
doctypes,encoding,literal as opposed to RPC
WS* standards
transactions
versioning of messages
security
interface definitions
management
goverance
entitlement integration/authorization
naming
asynchronus communication
web service routing
chaining web services
business process language
transports
building .NET web services
request structures
response structure
soap headers
Types of authentication
-brokered authentication
directory services
managing state
RPC vs document messaging
routing
transormations