A computer system for transmitting messages in a computer network, which comprises: a message receiving processor adapted to receive messages from the computer network; a separate message transmitting processor coupled to the message receiving processor; the message receiving processor operating to perform first preselected processing of a message received by the message receiving processor and to generate a digest of information relating to the message, the digest containing network protocol processing information for message transmit processing; the message receiving processor transmitting the message and the digest o the message transmitting processor; the message transmitting processor operation to perform second preselected processing of the message using the network protocol processing information in the digest. view more