Patent ID: 8867535
Filing Date: 2014-10-21
Classification: H04L

Abstract:
1. A relay apparatus connected to external apparatuses for transmitting and receiving data containing numerical information and identification information of the numerical information, thereby relaying transmission and reception of data among external apparatuses, comprising: a data receiving section that receives data from at least one of the external apparatuses; a data storing section that stores data in a database; a data transmitting section that transmits data read from the database to at least one of the external apparatuses; a creating section that creates a data frame in which a plurality of pieces of numerical information on a plurality of pieces of data received from at least one of the external apparatuses are contained and a plurality of pieces of identification information corresponding to each of the plurality of pieces of the numerical information are omitted; a data frame transmitting section that transmits the data frame created by the creating section to another relay apparatus; a data frame receiving section that receives a data frame from another relay apparatus; a reading section that reads, in the case that the data frame receiving section received a data frame, a plurality of pieces of numerical information contained in the received data frame; and a renewing section that renews a plurality of pieces of numerical information on a plurality of pieces of data in the database according to the plurality of pieces of the numerical information read by the reading section.