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<head><title>Werner Vogels</title></head><BODY BACKGROUND=/Info/Projects/HORUS/images/per.gif TEXT=#000000> <p><TABLE WIDTH=95% BORDER=0><TR><TD><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><img border=0 hspace=10 align="left" src="http://simon.cs.cornell.edu/Info/People/vogels/werner.gif"></TD><TD><H1> Werner Vogels </H1><I>researcher</I><BR><P>4105a Upson Hall<BR>Dept. of Computer Science<BR>Cornell University, Ithaca, NY, 14850</TD><TD VALIGN=BOTTOM HALIGN=RIGHT>Phone: 607-255-9199<BR>Fax : 607-255-4428<BR>Email: <!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><a href="mailto:vogels@cs.cornell.edu">vogels@cs.cornell.edu</a></TD></TR></TABLE><BR><p><P><CENTER> <B><EM> In protocol design, perfection has been reached not when there is nothing<BR> left to add, but when there is nothing left to take away. </EM></B></CENTER><P><P><P>I am involved with two of the major systems projects at the Cornell Computer Science Department: The<!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><a href="http://www.cs.cornell.edu/Info/Projects/HORUS">Horus</a>and the <!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><a href="http://www.cs.cornell.edu/Info/Projects/ATM"> Cornell ATM Cluster</a> Projects. I think myresearch interests are best described by: <P><BLOCKQUOTE> <EM> Low latency and high bandwith communication support for highly reliable distributed systems with real time requirments. </EM></BLOCKQUOTE><P>I focus on the system design and engineering issues. Some of the things I amworking on:<UL><LI>A highly predictable execution environment for Horus. The integration of Horuswith some Real-Time environments needs to lead to a situation where we can reason about advanced operational guarantees.<LI>Mechanisms for efficient data transfers between high-speed network devices and the application level. Low latency for all messages and high bandwidth with small messages are two issues that have fallen behind in the software design for high-speed network adapters.<LI>High-speed Cluster Communication protocols. Once you achieve the desired low-latencyfor your message passing system, you will see that your old protocolsare not able to exploit this, and you will need to re-think their structureand interaction patterns.<LI>Methods for dealing with guarantee failures (aka <EM>missed deadline support</EM>). It is not bad to not be able to meet the guarantes you gave, it is bad to not tell anyone about it.<LI>Acurate Failure Detection. If we want to take our distributed systems to aglobal scope, there is a need to find a generic mechanism to supportfailure suspision, detection and management of processes, nodes and networks.From our experience with group systems we can extract a mechanism that will workwith any middleware package, regardless of its functionality.</UL><P>Horus is the brainchild of <!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><a href="http://www.cs.cornell.edu/Info/People/rvr/rvr.html">Robbert van Renesse </a> and<!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><a href="http://www.cs.cornell.edu/Info/Faculty/Kenneth_Birman.html">Ken Birman</a>. The ATM Cluster work is done cooperation with<!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><a href="http://www.cs.cornell.edu/Info/People/tve/tve.html">Thorsten von Eicken</a> and the Multimedia & Video-On-Demand Horusexperiments are in concert with <!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><a href="http://www.cs.cornell.edu/Info/Faculty/Brian_Smith.html">Brian Smith</a>.<P>I am responsible for <!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><A HREF="http://www.cs.cornell.edu/Info/Courses/Spring-96/CS515">CS 515</A>, <I> a Practicum in Distributed Systems</I>, and teach a number of lectureson network protocols and high-speed network technology in <!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><A HREF="http://www.cs.cornell.edu/Info/Courses/Spring-96/CS514">CS 514</A>: <I>Practical Distributed Systems</I>.<P><HR>Recent publications:<ul><LI><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><A HREF="ftp://www.cs.cornell.edu/pub/vogels/failure.ps.gz">World Wide Failures</A>, Werner Vogels, To appear in the <I>Proceeding of the 1996 ACM SIGOPS Workshop</I>Connamoran, Ierland, September 1996.<P><LI><B>Structured Virtual Synchrony: Exploring the Bounds of VirtuallySynchronous Group Communication.</B>Katherine Guo, Werner Vogels, Robbert van Renesse, To appear in the <I>Proceeding of the 1996 ACM SIGOPS Workshop</I>Connamoran, Ierland,September 1996.<P><li><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><a href="http://www.cs.cornell.edu/Info/Projects/ATM/sosp.ps">U-Net: A User-Level Network Interfacefor Parallel and Distributed Computing</a>,Anindya Basu, Vineet Buch, Werner Vogels, Thorsten von Eicken,<i>Proceedings of the 15th ACM Symposium on Operating Systems Princples</i>, Copper Mountain, December 1995.<p><li><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><a href="http://www.cs.cornell.edu/Info/People/vogels/hpcs95.html">Delivering High-Performance Communication to the Application-Level.</a>Werner Vogels and Thorsten von Eicken, in <I>the Proceeding of the Third IEEE Workshop on the Architecture and Implementationof High Performance Communication Subsystems (HPCS'95)</I>, August 1995.<p><li><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><a href="http://cs-tr.cs.cornell.edu:80/TR/CORNELLCS:TR95-1500">Horus: A Flexible Group Communications System </a>,Robbert van Renesse, Kenneth P. Birman, Brad Glade, Katie Guo, Mark Hayden, Takako Hickey, Dalia Malki, Alex Vaysburd and Werner Vogels, <i>CS-TR 95-1500</i>, March 23, 1995.</UL><HR></BODY>⌨️ 快捷键说明
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