Abstract: A method for processing multiple requests using a dataset transfer protocol is disclosed. The method includes generating a dataset transfer protocol and transmitting the dataset transfer protocol to a Web Application Server (WAS) by a client. The dataset transfer protocol includes at least one contract dataset including information about a sequence number of a contract generated according to a processing request and information about a requested task, at least one reference dataset referred to for processing the processing request, at least one datamap dataset including type information indicating a type of the reference dataset referred to in relation to the contract and mapping information about the reference dataset, and at least one header including information about a name of the contract dataset and information about a name of the mapping information dataset.