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GLOBECOM
2007
IEEE

Improving Packet Delivery Performance of BGP During Large-Scale Failures

9 years 4 months ago
Improving Packet Delivery Performance of BGP During Large-Scale Failures
— The border gateway protocol (BGP) is known to take a long time to converge to a steady state following the failure of BGP routers or inter-router links. This has resulted in extensive analysis of BGP convergence delay and a number of schemes have been proposed to reduce this delay. But the convergence delay is a network centric metric and the enduser relevant effects of a failure are better characterized by packet losses and end-to-end delay. In this paper we study BGP convergence from the packet delivery perspective and show that a reduction in the convergence delay does not necessarily translate into an improvement in packet delivery. Our measurements provide insights into which BGP modifications are likely to decrease packet loss, and how any shortcomings can be rectified. We also modify a couple of existing techniques, and show how to reduce the packet losses.
Amit Sahoo, Krishna Kant, Prasant Mohapatra
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where GLOBECOM
Authors Amit Sahoo, Krishna Kant, Prasant Mohapatra
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