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Overload Protection for Commodity Network Appliances

  • Luke Macpherson
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4186)

Abstract

Performance degradation under overload is a well known problem in networked systems. While this problem has been explored extensively in the context of TCP-based web servers, other applications have unique requirements which need to be addressed.

In existing admission control systems, the cost of admission control increases with the load to the system. This is acceptable for responsive TCP-based loads, but it is not effective in preventing overload for unresponsive workloads.

We present a solution where admission control cost is a function of the traffic admitted to the system, allowing our approach to maintain peak throughput under overload.

We have implemented our approach in a real system and evaluated its effectiveness in preventing overload for a number of demanding network workloads. We find that our solution is effective in eliminating performance degradation under overload, while having the desirable property of being simple to implement in commodity systems.

Keywords

Performance Degradation Admission Control Network Interface Maximum Throughput Admission Control Mechanism 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Luke Macpherson
    • 1
  1. 1.The University of New South Wales and National ICT AustraliaSydneyAustralia

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