Patent ID: 9112736
Filing Date: 2015-08-18
Classification: G06F,H04L

Abstract:
1. A data transfer apparatus that performs data transfer using a packet having a header field and a data field including data, the header field including a plurality of pieces of attribute information that indicate types of the data transfer, the apparatus comprising: storing means for prioritizing and storing a combination of attribute information having a high frequency of appearance in a first bus wherein the combination of attribute information and an identifier are associated with each other, and the combination of the attribute information is a combination of at least two of a request type, cache information, security information, data width information, and exclusive access information; receiving means for receiving a packet including a plurality of pieces of attribute information from the first bus; and transmitting means for, in the case where the plurality of pieces combination of attribute information included in the packet received by the receiving means match a certain combination of attribute information stored in the storing means, transmitting a packet including the identifier corresponding to the certain combination of attribute information instead of the plurality of pieces of attribute information.