Data transmission system, storage medium and data transmission program

摘要

A system has a processor configured to be capable of read and write to a main memory, a storage configured to transmit stored data per block on an I/O bus, and a protocol processing apparatus connected to the I/O bus and configured to perform a communication protocol process on behalf of the processor. The processor includes a specifying part configured to specify data per block to be transmitted from the storage, and an indicating part configured to indicate data transfer from the storage to the protocol processing apparatus by specifying address information of the protocol processing apparatus. The protocol processing apparatus includes a receiving part configured to directly receive data transferred per block from the storage to the I/O bus, without relaying the main memory, and a network processing part configured to transmit the data received per block by the receiving part over a network per packet.

主权项

1. A data transmission system comprising:
a processor configured to be capable of read and write to a main memory device; a data storage apparatus configured to transmit stored data per block; and a protocol processing apparatus configured to perform a specific communication protocol process on behalf of the processor, wherein the processor further comprises: a data specifying part configured to specify data per block to be transmitted from the data storage apparatus; and a transfer indicating part configured to indicate data transfer from the data storage apparatus to the protocol processing apparatus, a file-system processing part configured to specify a group of data per block corresponding to a file and a location of valid data in the group of data, based on a file system in the data storage apparatus; and an valid-data-location notifying part configured to notify the protocol processing part of location information of the valid data, the protocol processing apparatus comprises a data receiving part configured to directly receive data transferred per block from the data storage apparatus, without relaying the main memory device; a network processing part configured to transmit the data received per block by the data receiving part over a network; a data extracting part configured to extract the valid data based on data per block received by the data receiving part and the location information of the valid data, wherein the network processing part transmits the valid data extracted by the data extracting part over the network.