Web Services Tutorials - WebServicesPro.com

[2007-06-28] Speed up Web Services with the SoapDocumentMethod Attribute
I've done a lot of web services during the last couple of years and I simply love Service Oriented Architecture using SOAP.

[2007-06-06] Optimize HTTP Requests & Web Service Calls
ASP.NET has an outgoing connection limit which is set to 2 connections by default.