CPU-intensive. Kernel build(Linux 2.4.18) make clean; make dep; make bzImage. NFS Kernel build ... adds very little overhead for compute-intensive applications. ...
Execution Replay for Multiprocessor Virtual Machines George W. Dunlap Dominic Lucchetti Michael A. Fetterman Peter M. Chen Big ideas Detection and replay of memory ...
Sam King. George Dunlap. Peter Chen. CoVirt Project, University of ... Sam King University of Michigan 7 of 21. Debugging with time traveling virtual machines ...
Detection and replay of memory races is possible on commodity ... Tuned to 16-byte cacheline. Involving the kernel may be expensive. Single-processor Xen guests ...
Debugging operating systems with time-traveling virtual machines Sam King George Dunlap Peter Chen CoVirt Project, University of Michigan Cyclic debugging Iterate ...
(1) Understand how an intruder gained ... An attacker may run a CPU-intensive program to trigger a race condition ... 14-35% overhead for kernel-intensive loads ...
Prevent security service from running. Turn off network. Disable notification of intrusion ... Countermeasure to detection tool. Installation scripts and ...
run: the time from which the virtual machine was. powered on to the last instruction it executed ... It is used to speed up time travel over long time periods. ...
CS598-YYZ : Reliable and Robust Software Topics Overview Yuanyuan (YY) Zhou Good News! Many (around 10) students dropped the class My initial limit was set to be 20!
Secure monitoring between VMs. HyperSpector provides three mechanisms ... From the server VMs. From hosts outside the DIDS. Confines the impact of passive attacks ...
[3.1, 11/01] Justin Moore, Jeff Chase 'Cluster On Demand', CS Technical Report ... [5.3, 13/01] Kai Shen, Hong Tang, Tao Yang, and Lingkun Chu, 'Integrated Resource ...
Open/Closed box VMs. Open: general purpose system. Closed: specialized, proprietary system ... Limited interaction among VMs can be controlled in centralized location ...
Sometimes, you need to quickly find out exactly what happened on ... Recreates opens, writes, seeks and truncates. Does not currently track memory-mapped writes ...
Inuit: a System for Waste Free Computing. Stefan Savage. Michael Frederick, Diwaker Gupta, Marvin McNett, Alex Snoeren, Amin Vahdat, Geoff Voelker, ...
Idea: run signature distillation over large corpus of mostly benign traffic, ... one that 'cheats' and neglects congestion control. How far can we take this? ...