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Internet routing paths stability model and relation to forwarding paths

Dimitri Papadimitriou Davide Careglio Fabien Tarissan 1 Piet Demeester
1 ComplexNetworks
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : Analysis of real datasets to characterize the local stability properties of the Internet routing paths suggests that extending the route selection criteria to account for such property would not increase the routing path length. Nevertheless, even if selecting a more stable routing path could be considered as valuable from a routing perspective, it does not necessarily imply that the associated forwarding path would be more stable. Hence, if the dynamics of the Internet routing and forwarding system show different properties, then one can not straightforwardly derive the one from the other. If this assumption is verified, then the relationship between the stability of the forwarding path (followed by the traffic) and the corresponding routing path as selected by the path-vector routing algorithm requires further characterization. For this purpose, we locally relate, i.e., at the router level, the stability properties of routing path with the corresponding forwarding path. The proposed stability model and measurement results verify this assumption and show that, although the main cause of instability results from the forwarding plane, a second order effect relates forwarding and routing path instability events. This observation provides the first indication that differential stability can safely be taken into account as part of the route selection process.
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Submitted on : Thursday, October 15, 2015 - 1:55:22 PM
Last modification on : Thursday, March 21, 2019 - 12:59:13 PM


  • HAL Id : hal-01215993, version 1


Dimitri Papadimitriou, Davide Careglio, Fabien Tarissan, Piet Demeester. Internet routing paths stability model and relation to forwarding paths. The the 9th International Conference on Design of Reliable Communication Networks (DRCN 2013), Mar 2013, Budapest, Hungary. pp.20-27. ⟨hal-01215993⟩



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