research-article

LIFEGUARD: practical repair of persistent route failures

Authors:

Ethan Katz-Bassett,

David R. Choffnes,

Vytautas Valancius,

Harsha V. Madhyastha,

Thomas Anderson,

Arvind KrishnamurthyAuthors Info & Claims

ACM SIGCOMM Computer Communication Review, Volume 42, Issue 4

Pages 395 - 406

https://doi.org/10.1145/2377677.2377756

Published: 13 August 2012 Publication History

Abstract

The Internet was designed to always find a route if there is a policy-compliant path. However, in many cases, connectivity is disrupted despite the existence of an underlying valid path. The research community has focused on short-term outages that occur during route convergence. There has been less progress on addressing avoidable long-lasting outages. Our measurements show that long-lasting events contribute significantly to overall unavailability.

To address these problems, we develop LIFEGUARD, a system for automatic failure localization and remediation. LIFEGUARD uses active measurements and a historical path atlas to locate faults, even in the presence of asymmetric paths and failures. Given the ability to locate faults, we argue that the Internet protocols should allow edge ISPs to steer traffic to them around failures, without requiring the involvement of the network causing the failure. Although the Internet does not explicitly support this functionality today, we show how to approximate it using carefully crafted BGP messages. LIFEGUARD employs a set of techniques to reroute around failures with low impact on working routes. Deploying LIFEGUARD on the Internet, we find that it can effectively route traffic around an AS without causing widespread disruption.

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Cited By

Ramanathan ASankaran RAbdu Jyothi S(2024)Xaminer: An Internet Cross-Layer Resilience Analysis ToolProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/36390428:1(1-37)Online publication date: 21-Feb-2024
https://dl.acm.org/doi/10.1145/3639042
Wirtgen TBonaventure O(2022)A first step towards checking BGP routes in the dataplaneProceedings of the ACM SIGCOMM Workshop on Future of Internet Routing & Addressing10.1145/3527974.3545723(50-57)Online publication date: 22-Aug-2022
https://dl.acm.org/doi/10.1145/3527974.3545723
Silva BMol PFonseca OCunha IFerreira RKatz-Bassett E(2022)Automatic Inference of BGP Location CommunitiesProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/35080236:1(1-23)Online publication date: 28-Feb-2022
https://dl.acm.org/doi/10.1145/3508023
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Index Terms

LIFEGUARD: practical repair of persistent route failures
1. Networks
  1. Network protocols
    1. Network layer protocols
      1. Routing protocols

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Published In

cover image ACM SIGCOMM Computer Communication Review

ACM SIGCOMM Computer Communication Review Volume 42, Issue 4

Special october issue SIGCOMM '12

October 2012

538 pages

ISSN:0146-4833

DOI:10.1145/2377677

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Copyright © 2012 Authors.

Publisher

Association for Computing Machinery

New York, NY, United States

Publication History

Published: 13 August 2012

Published in SIGCOMM-CCR Volume 42, Issue 4

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Ramanathan ASankaran RAbdu Jyothi S(2024)Xaminer: An Internet Cross-Layer Resilience Analysis ToolProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/36390428:1(1-37)Online publication date: 21-Feb-2024
https://dl.acm.org/doi/10.1145/3639042
Wirtgen TBonaventure O(2022)A first step towards checking BGP routes in the dataplaneProceedings of the ACM SIGCOMM Workshop on Future of Internet Routing & Addressing10.1145/3527974.3545723(50-57)Online publication date: 22-Aug-2022
https://dl.acm.org/doi/10.1145/3527974.3545723
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https://dl.acm.org/doi/10.1145/3508023
An HNa YLee HPerrig A(2021)Resilience Evaluation of Multi-Path Routing against Network Attacks and FailuresElectronics10.3390/electronics1011124010:11(1240)Online publication date: 24-May-2021
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