Number of bytes pending to be sent. This is data that you have recently
requested to be sent but has not yet actually been put on the wire. The
reliable number ALSO includes data that was previously placed on the wire,
but has now been scheduled for re-transmission. Thus, it's possible to
observe m_cbPendingReliable increasing between two checks, even if no
calls were made to send reliable data between the checks. Data that is
awaiting the Nagle delay will appear in these numbers.
Number of bytes pending to be sent. This is data that you have recently requested to be sent but has not yet actually been put on the wire. The reliable number ALSO includes data that was previously placed on the wire, but has now been scheduled for re-transmission. Thus, it's possible to observe m_cbPendingReliable increasing between two checks, even if no calls were made to send reliable data between the checks. Data that is awaiting the Nagle delay will appear in these numbers.