RequestorData Transfer Module (Requestor)Scheduler (Requestor)Graphsync (Requestor)Graphsync (Responder)Scheduler (Responder)Data Transfer Module (Responder)ResponderOne System. Likely A ClientOne System. Likely A MinerInitiate PullSchedule TransferMake Graphsync Request w/ Data Transfer Request Piggy BackedSend Graphsync Request (w/ Data Transfer Request)Verify Request (validate & schedule)Validate Pull RequestPull Request validatedSchedule TransferSend response w/ DTR Accepted Piggy BackedSend response w/ DTR Accepted Piggy BackedResponse Progress (to end) (include DT Accepted)Request CompleteRequest Completed (if listening)RequestorData Transfer Module (Requestor)Scheduler (Requestor)Graphsync (Requestor)Graphsync (Responder)Scheduler (Responder)Data Transfer Module (Responder)Responder