Articles by Jimmy Zhang

SOA with Document-Centric XML Processing

Sun, 14 Sep 2008 23:00:00 EDT

This article introduces the concept of document-centric XML processing and a set of emerging document-centric capabilities such as cutting, splitting, and splicing documents at the byte level. It also explains how it solves one of the most fundamental technical issues hampering enterprise SOA and XML application development: the redundant serialization and de-serialization of object-oriented XML processing models such as DOM.

i-Technology Viewpoint: The Performance Woe of Binary XML

Tue, 05 Aug 2008 06:40:00 EDT

Since its inception, XML has been criticized for the overhead it introduces into the enterprise infrastructure. Business data encoded in XML takes five to 10 times more bandwidth to transmit in the network and proportionally more disk space to store.

Index XML Documents with VTD-XML

Wed, 20 Feb 2008 14:15:00 EST

Traditionally DOM or SAX-based enterprise applications have to repeat CPU-intensive XML parsing when accessing the same documents multiple times. VTD-XML 2.0 introduces a simple general-purpose XML index called VTD+XML (http://vtd-xml.sourceforge.net/persistence.html) that eliminates the need for repetitive parsing of those applications.

Process SOAP with VTD-XML

Fri, 18 Mar 2005 00:00:00 EST

SOAP is an XML based data protocol standardized by W3C for the purpose of enabling inter-application data exchange over the Internet. In a typical Web Services scenario, a SOAP message delivered via HTTP needs to be parsed before anything else can happen. As two popular SOAP processing methods, DOM and SAX/Pull force application developers to choose between performance/memory efficiency and ease of use.