Timothy Ewald
Tim Ewald is a Principal Scientist at DevelopMentor. He specializes in the effective application of cutting-edge component technologies to the production of scalable distributed systems. Tim has worked extensively with COM, MTS and COM+ and also with CORBA and Java. His current work focuses on XML and .NET. He is a member of the W3C XML Schema working group. He is also the author of Transactional COM+: Building Scalable Applications and a coauthor of Effective COM.Articles by this author:
Web Service SublimationThis month's Endpoints column examines the characteristics of Web Service applications, including typing and message coupling. [Mar. 20, 2002]
SOAP Encodings, WSDL, and XML Schema Types
In this month's XML Endpoints column, the fine points of WSDL, XML messages, SOAP Encodings, and XML Schema Types are discussed. [Feb. 20, 2002]
The IDL That Isn't
In this month's Endpoints column, Ewald and Gudgin explain why web services won't fully interoperate until WSDL improves. [Jan. 16, 2002]
All We Want For Christmas is a WSDL Working Group Our web services columnists reckon the WSDL interface language needs more work and try to engage the assistance of Santa Claus in their quest. [Dec. 19, 2001]
Data Encoding or Data 'n Coding?
How should XML types and programming language types be related? This month's XML Endpoints column offers a clear discussion of the relevant positions. [Nov. 21, 2001]
The Slippery Soap This month's Endpoints column describes SOAP 1.1, its header extensibility mechanism, and possible changes in SOAP 1.2. [Oct. 17, 2001]
Pork Barrel Protocols XML.com's newest column, XML Endpoints, which is devoted to exploring web services, debuts by asking what a web service really is and what it shouldn't be. [Sep. 12, 2001]
