Distributed path computation without transient loops: an intermediate variables approach

Authors:
Saikat Ray;Roch Guérin;Rute Sofia
Affiliations:
Department of Electrical Engineering, University of Bridgeport;Department of Electrical and Systems Engineering, University of Pennsylvania;Siemens AG Corporate Technology, Information and Communications, Munich, Germany
Venue:
ITC20'07 Proceedings of the 20th international teletraffic conference on Managing traffic performance in converged networks
Year:
2007

Citing 5
Cited 1

Data networks (2nd ed.)

Data networks (2nd ed.)
Loop-free routing using diffusing computations

IEEE/ACM Transactions on Networking (TON)
A simple approximation to minimum-delay routing

Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
A Highly Adaptive Distributed Routing Algorithm for Mobile Wireless Networks

INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
Achieving sub-second IGP convergence in large IP networks

ACM SIGCOMM Computer Communication Review

Understanding and mitigating the effects of count to infinity in Ethernet networks

IEEE/ACM Transactions on Networking (TON)

Quantified Score

Hi-index	0.00

Visualization

Abstract

Paths with loops, even transient ones, pose significant stability problems in networks. As a result, much effort has been devoted over the past thirty years to designing distributed algorithms capable of avoiding loops. We present a new algorithm, Distributed Path Computation with Intermediate Variables (DIV), that guarantees that no loops, transient or steady-state, can ever form. DIV's novelty is in that it is not restricted to shortest paths, can easily handle arbitrary sequences of changes and updates, and provably outperforms earlier approaches in several key metrics. In addition, when used with distance-vector style path computation algorithms, DIV also prevents counting-to-infinity; hence further improving convergence. The paper introduces DIV and its key properties. Simulation quantifying its performance gains are also presented.