http:^^www.arl.wustl.edu^~guru^

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Date: Thu, 21 Nov 1996 21:33:15 GMT
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<TITLE> Guru's Home Page </TITLE> 
<!-- Changed by: Gurudatta M. Parulkar, 31-May-1996 -->

<H1>Guru Parulkar </H1> 
<!WA0><img src = "http://www.arl.wustl.edu/~guru/gifs/guru_med.gif">
<dl> 
<i><dt> <h3> Director, <!WA1><a href="http://arl.wustl.edu/arl/"> Applied
Research Laboratory</a> </h3>
</dl>

<dl>
<dt> <h3> Associate Professor of Computer Science </h3>
</dl>
</i>
 
<!WA2><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<!WA3><a href = "#research"> <font size=+2> Research | </font> </a> 
<!WA4><a href = "#projects"> <font size=+2> Projects | </font> </a> 
<!WA5><a href = "#students"> <font size=+2> Students | </font> </a> 
<!WA6><a href = "#teaching"> <font size=+2> Teaching | </font> </a> 
<!WA7><a href = "#quotes"> <font size=+2>   Quotes | </font> </a> 
<!WA8><a href = "#activities"> <font size=+2>  Prof Activities | </font> </a> 
<!WA9><a href = "#addr"> <font size=+2>  Address Info | </font> </a> 
<br>
<!WA10><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">

<a name = "research"> 
<h2> RESEARCH INTERESTS </h2>

Protocols, Operating System, and Network Interface (PONI)
Support for Distributed Imaging and Multimedia Applications

<p>


<h2> RESEARCH SPONSORS </h2>
<UL>
	ARPA, Rome Lab, NSF National Challenges Award, NIH, Swiss
        Govt, and a set of industries which has included over the
	years Ascom Timeplex, Bellcore, BNR, DEC, GoldStar, NEC, NTT,
        Southwestern Bell, Bay Networks (earlier SynOptics), Samsung,
	Sun, and Tektronix.   
</UL>

<UL>
Here is <!WA11><a href="http://www.arl.wustl.edu/~guru/wu-record-article.html"> an article from Washington
University's Newspaper, Record  </a>, which talks about some of our
funded projects. 

</UL>

<!WA12><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<h2> <!WA13><a href="http://dworkin.wustl.edu/~guru/res-overview.html"> RESEARCH
OVERVIEW </a> </h2>

<p>
</UL>

<a name = "projects">
<h2> RESEARCH PROJECTS IN PROGRESS </h2>
<UL>


<h3><!WA14><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA15><a href="http://www.arl.wustl.edu/~guru/IP-atm.ps">
A Talk on A Strategy for Integrating IP with ATM </a> </h3>

<h3><!WA16><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> A paper on <!WA17><a href="http://www.arl.wustl.edu/~guru/SIGCOMM-95.ps">
A Strategy for Integrating IP with ATM </a> </h3>

<h3> <!WA18><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA19><a href="http://www.arl.wustl.edu/arl/apic.html">
Washington University's Gigabit ATM Desk Area Network </a> </h3>

<h3><!WA20><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA21><a href="http://www.arl.wustl.edu/arl/refpapers/milind/mars.html">
Multimedia Storage Server </a> </h3>

<h3><!WA22><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA23><a href="http://www.arl.wustl.edu/arl/refpapers/christos/protocols.html">
Protocol Control Mechanisms for Multipoint Multimedia Applications </a> </h3>

<h3><!WA24><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA25><a href="http://www.arl.wustl.edu/arl/refpapers/gopal/os.html">
Efficient Quality of Service Support in OS for Multimedia Applications
</a> </h3>

<h3><!WA26><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA27><a href="ftp://dworkin.wustl.edu/dist/ang/cranor.ps.Z">
Universal Continuous Media I/O </a> </h3>

<h3><!WA28><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA29><a href="http://www.arl.wustl.edu/~guru/osm.ps">
Distributed Optical Sectioning Microscopy </a> </h3>

<h3><!WA30><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA31><a href="http://www.arl.wustl.edu/~guru/dis.ps">
Distributed Battle Field Simulation </a> </h3>

</UL>
<!WA32><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<h2> <!WA33><a href="http://www.arl.wustl.edu/~guru/g-troup-short-fix/g-troup-short-fix.html"> PAST RESEARCH
SUMMARY </a> </h2> 

<UL>

<h2> <!WA34><a href="http://info.gte.com/jpgs/research/axon/"> Axon High
Performance Host--Network Interface Architecture </a> </h2>  

Axon is a high performance host--network interface architecture that
was designed and extensively simulated at Washington University in
St. Louis from 1988 through 1992, encompassing host and network
interface architecture, operating systems, and protocols.
<p>
We beleive Axon to be the first zero-copy host network interface, and
the first use of distributed virtual shared memory over a wide area
network.

<h2> <!WA35><a href="http://www.arl.wustl.edu/~guru/ngi.ps"> The Next Generation Internetworking </a> </h2>
During 1987-92,  my students and I worked on a research project
concerned with the design of the next generation of internet
architecture. (If you are interested in RSVP and Integrated Services
work in IETF, you should look at our earlier work.)  Important aspects
of this project include: 
<p>
Design, specification, and prototype implementation of a novel
<!WA36><a href="http://www.arl.wustl.edu/~guru/MCHIP-infocom.ps"> multipoint "congram-oriented" service </a>
that can work well with 
connection-oriented and datagram high speed networks, can provide
variable grade service on a need basis to its applications, and can
provide adequate reconfigurability to deal with survivability
requirements due to network failures. For details on a prototype
implementation, check this paper out on <!WA37><a
href="http://dworkin.wustl.edu/pub/chuck/info/coip-k_j2/j2.html">
COIP-K </a>. 
<p>
Design and implementation of gateway architectures that can support
data rates of a few hundred Mbps, can interface with diverse networks,
and can implement the congram-oriented service without becoming a
performance bottleneck.  For details on our work on a ATM-FDDI
gateway, click <!WA38><a
href="http://dworkin.wustl.edu/~milind/Gateway.html"> here </a>.
<p>
Development of analytical and simulation models to evaluate
important tradeoffs associated with the design of a congram-oriented
protocol, the resource management on diverse networks, and the design
of new gateway architectures.  

<h2> <!WA39><a href="http://www.arl.wustl.edu/~guru/noahnet.ps"> NOAHNET: A High Speed Reliable Local Area
Network </a> </h2>   

</UL>

<!WA40><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<h2> <!WA41><a href="http://dworkin.wustl.edu/~guru/papers.html"> RESEARCH
PAPERS </a> </h2>

<h2> SAMPLE WRITINGS </h2>
<UL>
<LI> <!WA42><a href="http://www.arl.wustl.edu/~guru/ieee-network-editorial.ps"> My Editorial for IEEE
Network Special Issue on ATM Local Area Networks, March 1993 </a>
</UL>

<!WA43><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>



<a name = "students">
<h2> DOCTORAL STUDENTS </h2>
<UL>
<h4> <!WA44><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA45><a href="http://dworkin.wustl.edu/~hari/"> Hari Adiseshu:</a>
High Performance IP Router with support for Resource Reservation and QoS </h4>

<h4> <!WA46><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA47><a href=""http://www.arl.wustl.edu/~guru/ "http://dworkin.wustl.edu/pub/milind"> Milind Buddhikot:</a> High Performance Multimedia Storage Server </h4>

<h4><!WA48><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA49><a href=""http://www.arl.wustl.edu/~guru/
"http://www.ccrc.wustl.edu/~chuck/"> Charles Cranor:</a> Universal
Continuous Media I/O </h4> 

<h4><!WA50><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA51><a href="http://www.ccrc.wustl.edu/~zubin"> Zubin Dittia:</a> Design and Implementation of
	A Gigabit ATM Desk Area Network for Multimedia Workstations
	and Severs </h4>

<h4><!WA52><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA53><a
href="http://www.ccrc.wustl.edu/~aravind"> Aravind Gopalan:</a> Still
Exploring the Space   </h4> 

<h4><!WA54><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA55><a
href="http://www.ccrc.wustl.edu/~christos/"> Christos 
Papadopoulos:</a>  Transport Protocol Control Mechanisms for
Multipoint Multimedia Applications </h4>

<h4><!WA56><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"><!WA57><a
href="http://dworkin.wustl.edu/~gopal/"> R. Gopalakrishnan: 
</a> Efficient Quality of Service Support for Multimedia Applications
in Operating System </h4> 

</UL>

<h2> PAST STUDENTS </h2>
<UL>
<h4> <!WA58><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> <!WA59><a
href="http://info.gte.com/jpgs/home.html">James P. G. Sterbenz.</a> 
``Axon: A Host-Network Interface Architecture for Gigabit
Applications'', D.Sc., 1991. Now working for GTE Labs. </h4> 

<h4> <!WA60><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> <!WA61><a
href="http://www.mcnc.org/HTML/ITD/ANT/People/FengminGong.html"> 
Fengmin Gong. </a> ``A Transport Solution for Pipelined Network
Computing,'' D.Sc., 1992.  Now working for Communications Research
Department of MCNC. </h4> 

<h4> <!WA62><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> Jim Anderson. ``Persistent
Connections in High Speed Internets,'' MS, 1991. Now working for
Broadband Systems Engineering Group of
Seimens-Stromberg-Carlson. </h4> 

<h4> <!WA63><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> Deepak Bhargava. ``Synchronization
Protocols for Multimedia across High Speed Networks,'' MS, 1992. Now
working for BARRA Inc, Berkeley, California. </h4> 

<h4> <!WA64><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> <!WA65><a
href="http://dworkin.wustl.edu/pub/chuck/"> Charles D. Cranor. </a> ``An
Implementation Model for Connection-oriented Internet Protocols,'' MS,
March 1992. Continuing for D.Sc. </h4> 

<h4> <!WA66><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> Sanjay Kapoor. ``Design and
Simulation of an ATM-FDDI Gateway,'' MS, 1991. </h4> 

<h4> <!WA67><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> <!WA68><a
href="http://www.adn.alcatel.com"> Tony Mazraani. </a> ``High Speed
Internet Protocols and Resource Management on Ethernet,'' MS,
1990. Now working for Alcatel Data Networks. </h4> 

<h4> <!WA69><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.green.gif"> <!WA70><a
href="http://www.ccrc.wustl.edu/~christos/"> Christos
Papadopoulos. </a> ``Remote Visualization on a Campus Network,'' MS,
May 1992. Continuing for D.Sc. </h4>  

</UL>

<!WA71><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<a name = "courses">
<h2> FAVORITE COURSES TO TEACH </h2>
<UL>
<LI>	CS 423M Computer Communications
<LI>	CS 422  Operating Systems
<LI>	<!WA72><a href="http://www.arl.wustl.edu/~milind/cs533.html"> CS 533M Design and Analysis of Protocols </a>
<LI>	CS 523  (Distributed) Operating Systems  
</UL>

<!WA73><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<a name = "activities">
<h2> FAVORITE PROFESSIONAL ACTIVITIES </h2>

<UL>
<LI>		Panelist, Division of Networking and Communications Research
	and Infrastructure, NSF

<LI>		Participant, NSF sponsored INDO-US Workshop on
	Cooperative Research in Computer Sciences 

<LI>		Publications and Technical Editor, <!WA74><a href="http://www.ccrc.wustl.edu/~ton/">ACM/IEEE Transactions on Networking </a>
<LI>		Editor, IEEE Networks
<LI>	Guest Editor, IEEE Networks Special Issue on Local Area ATM Networks,
	March, 1993.  
<LI>   	Co-guest editor, IEEE Journal on Selected Areas in Communication,
	Special Issue on Protocols for Gigabit Networks, May 1993. 
</UL>

<!WA75><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<a name = "quotes">
<h2> FAVORITE QUOTES </h2>
<UL>
<LI> Admiration: Our polite recognition of another's resemblance to
ourselves. 

<LI> For students (especially when a project deadline approaches):
Don't tell me how hard you work, tell me how much you get done. 

<LI> Sign of arrogance: My opinions may have changed but not the fact
that I am right. 

<LI> A model is an artifice for helping you convince yourself that you
understand more about a system than you do.

<LI> A good scientist is a person with original ideas. A good engineer is a
person who makes a design that works with as few original ideas as 
possible.  Freeman Dyson, Disturbing the Universe (To help keep my role in 
CCRC and ARL in perspective) 

<LI> If feature "F" is a good thing then so is "distributed F", and
vice-versa [if not today, maybe in five years] Tom Truscott (com.os.research)
</UL>

<!WA76><img src = "http://www.arl.wustl.edu/~guru/gifs/line.colorbar.gif">
<br>

<a name = "addr"> 
<h2> Address Information</h2>

<dl>
<dt>Applied Research Laboratory
<dt>Department of Computer Science 
<dt>Campus Box 1045
<dt>Washington University in St. Louis 
<dt>St. Louis MO 63130-4899
</dl> 

<dl> 
<dt>Office: <!WA77><a href = "http://www.ecl.wustl.edu/seas/map/Bryan/522C.html"> 522C Bryan Hall </a>
<dt>Office Phone: [phone]
<dt>Office Fax: [phone]
<dt>email: <!WA78><a href="mailto:[e-mail]"> [e-mail]</a>
</dl>



<h3><!WA79><img src = "http://www.arl.wustl.edu/~guru/gifs/ball.red.gif"> <!WA80><a href="http://www.arl.wustl.edu/~guru/arpa-pi-meeting-96.ps">
A Talk on High Performance Network Media Systems Using APIC </a> </h3>