[Nrg-l] FW: [Tccc] Post-doctoral opening - Metro Ethernet Algorithms and Performance Analysis

Mark Crovella crovella at cs.bu.edu
Wed Jun 22 10:01:12 EDT 2005


-----Original Message-----
From: tccc-bounces at cs.columbia.edu [mailto:tccc-bounces at cs.columbia.edu] On
Behalf Of Roch Guerin
Sent: Wednesday, June 22, 2005 9:13 AM
To: tccc at cs.columbia.edu
Subject: [Tccc] Post-doctoral opening - Metro Ethernet Algorithms and
Performance Analysis 

Post-doctoral opening - Metro Ethernet Algorithms and Performance Analysis

The Multimedia and Networking Laboratory
(http://einstein.seas.upenn.edu/mnlab/) of the University of Pennsylvania in
Philadelphia, PA, has an opening for a post-doc position starting September
1st, 2005.

The position is part of a one-year joint project with an industrial partner
and may be extended to two years based on available funding and the
successful completion of the first year.  The project seeks to investigate a
variety of performance and algorithmic issues that arise 
in the context of Metro Ethernet.   Straightforward extensions of 
Ethernet bridging technology quickly run into scaling and stability problems
when operated over metro areas, and also suffer from many limitations in
terms of the traffic engineering optimization they 
allow.   A number of recent proposals, e.g., RSTP and MSTP, have been 
aimed at extending the Ethernet Spanning Tree Protocol to such an
environment.  Alternatively, a variety of Layer 3 and hybrid Layer 2/3
solutions have also been proposed.  This wealth of possible approaches that
all embody a different trade-off between performance, flexibility,
complexity, etc., together with the many different dimensions along which
one might seek to optimize performance, e.g., packet forwarding speed,
bandwidth usage, etc., make for a complex environment where comparing
different approaches is difficult.  The goals of the project are to evaluate
(model) the pros and cons of different solutions, e.g., understand the
relative benefits and disadvantages of pure Layer 2 vs mixed Layer 2/3
solutions, and use that understanding to develop, implement, and evaluate
novel approaches that improve on existing proposals.

The project requires a strong background in networking with an emphasis on
spanning tree protocols and routing protocols, e.g., RIP, OSPF, IS-IS, as
well as packet forwarding techniques and algorithms.  In addition, solid
analytical skills in the areas of performance analysis and optimization are
also required, as is familiarity and ability to 
work with standard simulation packages, e.g., NS-2.   Candidates for the 
position must have earned a Ph.D. in EE or CS by the start date of the
project, and must have a strong interest in following projects through all
their successive phases, i.e., analysis, design, evaluation, and

Interested applicants should email Prof. R. Guerin (guerin at ee.upenn.edu) a
copy of their CV, a brief statement articulating their interest for the
project and why they consider themselves a good fit for it, and the names
and contact information of 2 to 3 references.
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