Patent ID: 6154156
Filing Date: 2000-11-28
Classification: H04L,Y10S

Abstract:
A message processing device for sending and receiving a message composed of one or more elements between different kinds of devices, comprising:parse tree holding means having a function of holding a parse tree generated from syntax descriptions defining structure of a message sent or received;parse tree scanning means connected to said parse tree holding means and having a function of, as message data to be processed is applied, scanning said parse tree to encode and decode a value and outputting encoded and decoded values;preamble processing means connected to said parse tree scanning means and having a function of processing a preamble field of a message for use in indicating whether an element exists or not in message data sent or received; andindex processing means connected to said parse tree scanning means and having a function of processing an index field of a message for use in indicating what number of element is selected in message data whose one of a plurality of elements is selected to be sent or received.