Patrick Reynolds Charles Edwin Killian Janet L. Wiener Jeffrey C. Mogul Mehul A. Shah Amin Vahdat Pip: Detecting the Unexpected in Distributed Systems. 2006 conf/nsdi/2006 NSDI http://www.usenix.org/events/nsdi06/tech/reynolds.html db/conf/nsdi/nsdi2006.html#ReynoldsKWMSV06