Patent ID: 7660907
Filing Date: 2010-02-09
Classification: H04N

Abstract:
1. A communication method of performing multiple functions using transmission packets, in which selected operations are performed between a client and a server using the transmission packets, the transmission packets providing for at least K (K≧1) operations including scanning, and being transmitted in order to achieve communications between at least one of N (N≧1) servers shared by M (M≧1) clients, the method comprising: broadcasting a transmission packet requesting a server of the at least one of N servers capable of performing the selected operations, the broadcasted transmission packet including required server attributes relating to printing, scanning and facsimile operations; discovering the server, by receiving a response transmission packet from the at least one of N servers, indicating that the server has the required server attributes and thus is capable of performing the selected operations; checking a current status of the server discovered; selecting the server discovered, to be a server capable of receiving information based on the current status checked of the server discovered; transmitting a request to require the server selected to asynchronously notify an event; and performing the selected operations by the server according to another transmission packet that performs at least K operations including scanning, wherein all of the transmission packets sent and received between the client and the server of the at least one of N servers comprise a same packet field format and comprise: an operation form display field having operation form display information that represents a form of an operation using a transmission packet among the K operations; and an attribute group field having first information associated with an attribute of the K operations and/or a data group field having second information associated with data regarding the K operations.