Patent ID: 6119142
Filing Date: 2000-09-12
Classification: H04L,H04N

Abstract:
A data communication apparatus for transmitting data to a remote communication apparatus connected to a LAN (Local Area Network), the remote communication apparatus receiving and transferring the transmitted data to another destination on the LAN, comprising:designation means for designating a destination on the LAN;setting means for setting an identifier to specify the data;transmission means for transmitting the data, information indicative of the destination designated by said designation means, and information indicative of the identifier set by said setting means to the remote communication apparatus; andmanagement means for managing information, in at least three stages, indicating whether or not the data transmitted by said transmission means has actually been transferred from the remote communication apparatus to the destination on the LAN designated by said designation means, in correspondence with the identifier set by said setting means,wherein, in a case in which transmission of the data to the destination has failed, said management means manages information indicating a reason for failure of the transmission.