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When the network crumbles: an empirical study of cloud network failures and their impact on services

Published: 01 October 2013 Publication History

Abstract

The growing demand for always-on and low-latency cloud services is driving the creation of globally distributed datacenters. A major factor affecting service availability is reliability of the network, both inside the datacenters and wide-area links connecting them. While several research efforts focus on building scale-out datacenter networks, little has been reported on real network failures and how they impact geo-distributed services. This paper makes one of the first attempts to characterize intra-datacenter and inter-datacenter network failures from a service perspective. We describe a large-scale study analyzing and correlating failure events over three years across multiple datacenters and thousands of network elements such as Access routers, Aggregation switches, Top-of-Rack switches, and long-haul links. Our study reveals several important findings on (a) the availability of network domains, (b) root causes, (c) service impact, (d) effectiveness of repairs, and (e) modeling failures. Finally, we outline steps based on existing network mechanisms to improve service availability.

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      cover image ACM Conferences
      SOCC '13: Proceedings of the 4th annual Symposium on Cloud Computing
      October 2013
      427 pages
      ISBN:9781450324281
      DOI:10.1145/2523616
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 01 October 2013

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      Author Tags

      1. cloud services
      2. datacenters
      3. inter-datacenter links
      4. network reliability

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      SOCC '13: ACM Symposium on Cloud Computing
      October 1 - 3, 2013
      California, Santa Clara

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      SOCC '13 Paper Acceptance Rate 23 of 114 submissions, 20%;
      Overall Acceptance Rate 169 of 722 submissions, 23%

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      • (2023)CASPR: Connectivity-Aware Scheduling for Partition Resilience2023 42nd International Symposium on Reliable Distributed Systems (SRDS)10.1109/SRDS60354.2023.00017(70-81)Online publication date: 25-Sep-2023
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