Gatekeeper: supporting bandwidth guarantees for multi-tenant datacenter networks

  • Authors:
  • Henrique Rodrigues;Jose Renato Santos;Yoshio Turner;Paolo Soares;Dorgival Guedes

  • Affiliations:
  • Universidade Federal de Minas Gerais;Hewlett-Packard Laboratories;Hewlett-Packard Laboratories;Universidade Federal de Minas Gerais;Universidade Federal de Minas Gerais and International Computer Science Institute

  • Venue:
  • WIOV'11 Proceedings of the 3rd conference on I/O virtualization
  • Year:
  • 2011

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Abstract

Cloud environments should provide network performance isolation for co-located untrusted tenants in a virtualized datacenter. We present key properties that a performance isolation solution should satisfy, and present our progress on Gatekeeper, a system designed to meet these requirements. Experiments on our Xen-based implementation of Gatekeeper in a datacenter cluster demonstrate effective and flexible control of ingress/egress link bandwidth for tenant virtual machines under both TCP and greedy unresponsive UDP traffic.