search for: tc_plug_checkpoint

Hi, I am trying to understand and change the network buffering that is being used by Remus, the HA solution present in Xen. From what i understood from reading the code, Remus calls the postsuspend method of the BufferedNIC after it suspends the domain that sends TC_PLUG_CHECKPOINT message and start the buffering and then calls the commit method of BufferedNIC after it gets the acknowledgement that sends the TC_PLUG_RELEASE message and releases the buffered packets. I have the following doubts 1) How does remus ensure that the packets gets buffered for an entire epoch ? 2) If...