[NRG] Reminder: NRG meeting: Gonca Gursun PhD Proposal Talk @ Mon Oct 29 10am - 11:30am (NRG Calendar)
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Sun Oct 28 10:00:00 EDT 2012
This is a reminder for:
Title: NRG meeting: Gonca Gursun PhD Proposal Talk
Please note the change in time.
Abstract: Knowledge about the global behavior of AS-level Internet is vital
for many networking problems such as traffic engineering, network
management, security, and business intelligence. However, given its
distributed architecture, the global behavior of AS-level Internet is hard
to come by. For instance, there is no single vantage point to measure all
Internet traffic. Individual ASes can only observe a small portion of the
whole set of flows, i.e. their visibility is limited.
In this thesis, we study the ability of individual ASes to extend their
visibility of the AS-level Internet. We define two types of visibility: 1)
the visibility of interdomain traffic volumes which corresponds to the
knowledge about the amount of traffic exchanged between ASes, and 2) the
visibility of interdomain routing state which corresponds to the knowledge
about the set of routes that passes through an AS.
In the first part of this thesis, we study the ability of ASes infer the
volume of traffic that does not pass through their networks. We seek to
understand which ASes are likely to perform such inference successfully and
which flows they can readily recover.
In the second part, we study the ability of ASes identify which paths flow
through their network. We show that this problem is equivalent to inferring
which source-destination pairs that are not communicating at a given time.
Answering this question prompts us to look for ways to identify sets of
source-destination paths that are routed similarly in a particular region
of the Internet. To do that, we define a metric called Routing State
Distance (RSD) to compute the distance between any given two prefixes.
In the third part of the thesis, we study the properties of this new metric
in detail and show how to use it as a tool for characterizing BGP paths. We
show that such characterization uncovers some suprising patterns in the
interdomain routing system.
When: Mon Oct 29 10am – 11:30am Eastern Time
Where: MCS-148, 111 Cummington Street, Boston, MA 02215
Calendar: NRG Calendar
* michel.machado at gmail.com - creator
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