Patent ID: 7231658
Filing Date: 2007-06-12
Classification: H04L

Abstract:
1. A data transmission system comprising: an information processing apparatus connected to a network, for managing data transmission from a transmitter to a receiver; a first relaying apparatus connected to the network and the transmitter, for relaying the data transmission from the transmitter; and a second relaying apparatus connected to the network and the receiver, for relaying the data transmission to the receiver, the information processing apparatus including: authentication means for authenticating a user of the transmitter; search means for searching user email address information related to the second relaying apparatus; and query means for querying the second relaying apparatus whether the second relaying apparatus can receive data transmitted from the transmitter authenticated by the authentication means, the first relaying apparatus including: first acquisition means for acquiring data to be transmitted from the transmitter; and first retaining means for retaining the data acquired by the first acquisition means; and first supply means for supplying the data retained by the first retaining means to the second relaying apparatus, in accordance with the result of the query performed by the query means of the information processing apparatus, the second relaying apparatus including: determination means for, in response to the query issued by the query means of the information processing apparatus, determining whether the receiver can receive the data, the determination being based on at least adequate storage capacity to store the data and made prior to the data being received by the receiver; second acquisition means for acquiring the data from the first relaying apparatus; second retaining means for retaining the data acquired by the second acquisition means; and second supply means for supplying the data retained by the second retaining means to the receiver.