alt Hacker NewsTCP is not message-oriented. Retransmitted bytes can be at arbitrary offsets and do not need to align with the way the original transmission was fragmented or even an earlier retransmission.
TCP is not message-oriented. Retransmitted bytes can be at arbitrary offsets and do not need to align with the way the original transmission was fragmented or even an earlier retransmission.
I don’t understand your point here or maybe our understanding of the admittedly vague term “message oriented” differs.
I’m not suggesting exposing retransmission, fragmentation, etc to the API user.
The sender provides n bytes of data (a message) to the network stack. The receiver API provides the user with the block of n bytes (the message) as part of an atomic operation. Optionally the sender can be provided with notification when the n-bytes have been delivered to the receiver.