Potential Interactions between IP-dial and Voice Traffic on the PSTN
BT Technology Journal
Performance — A Retrospective View
BT Technology Journal
Realising Effective Intelligent Network Overload Controls
BT Technology Journal
Engineering performance for the future of intelligence
BT Technology Journal
GOCAP -- one standardised overload control for next generation networks
BT Technology Journal
Optimisation-based overload control
NET-COOP'07 Proceedings of the 1st EuroFGI international conference on Network control and optimization
Signal-based overload control for SIP servers
CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
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Network overloads can seriously degrade the quality or availability of telecommunications services if they are not effectively controlled. This paper explains why overload controls are required and how they should behave for both today's and future networks. The requirements of overload controls are presented, in terms of the conditions under which they must operate and the behaviour they should exhibit. Good design principles are proposed, which include identifying the controlled variable, the control structure, convergence and stability, and parameter configuration, while ensuring that different implementations work together. Relevant network standards are highlighted, and the paper stresses the crucial importance that these standards adequately specify the behaviour of overload controls.