Extensible Markup Language (XML) is a simple, very flexible text format derived from SGML (ISO 8879), which is a well defined, public standard. It uses plain text to encode a hierarchical set of information using verbose tags to allow the XML document to be understood without any special reader. The use of schemas in XML also allows a well defined contract describing what a single XML document means. The self-contained nature of XML and the strong contract provided by its schemas makes it useful as an archival storage format and as a means of communicating across system or organizational boundaries. As such XML is being increasingly used by businesses throughout the world. These businesses use XML as a means of storing, transmitting and (with the use of style sheets) displaying information.
The simple, well defined structure of XML does present some problems when it is used by businesses and similar organizations. As it is an open, plain text based standard care must be taken when looking at security. The use of plain text with verbose tags also results in XML documents that are far larger than other means of storing the same information.
This thesis focuses on the affect of the large size of XML when it is used to communicate across a network. This large size can often increase the time taken to transmit the document and we were interested to see how it could be minimized. we investigated the ways that are used to control the size of XML documents and how they are transmitted.
We carefully investigated by implementing solutions on how to transmit the XML document. We then first presented a new method, called dynamic adaptive threshold transmission (DATT), in comparisons with other existing similar methods, which, under the discussed conditions, offers significant improvements in transmission times and network transmission efficiencies.
| Identifer | oai:union.ndltd.org:ADTP/219573 |
| Date | January 2007 |
| Creators | Ridgewell, Alexander Graham, n/a |
| Publisher | University of Canberra. School of Information Sciences & Engineering |
| Source Sets | Australiasian Digital Theses Program |
| Language | English |
| Detected Language | English |
| Rights | ), Copyright Alexander Graham Ridgewell |
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