A message represents a concept as defined in the WSDL (Web Services Description Language) specification; that is, it's a container for actual data which has meaning to the service and the consumer.

A new sorting method, the method of transfer sort for special distributed data is presented. Its algorithm description, time complexity and experimental results in assembler language are given.

Snort rule is a simple and lightweight description language which can detect the data package for intrusion in the network. It provides a simple and flexible method to describe intrusion activity.