NGN业务平台的自适应准入控制

André Ferreira, P. Carvalho, S. R. Lima
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引用次数: 3

摘要

在NGN业务发放平台中,为了可靠、稳定地提供高质量的业务,避免因业务请求不受控制而造成拥塞,必须具备高效、灵活的准入控制机制。调制和调节呼叫接受率以及提供服务差异化的能力允许对提交给平台的负载进行间接控制。本文提出了一种业务准入控制解决方案,能够区分、限制和调节业务请求提交到NGN业务提供平台的速率。该解决方案的重点是在服务类之间以可配置和动态的方式提供公平的带宽共享,以便它可以调整服务请求的分布。为了维持我们的解决方案的设计目标,这里研究和比较了主要的调度规则和速率控制机制,以便选择更合适的组件。将实现的解决方案提交单元和充电测试;结果表明,该方法在控制和区分入站服务呼叫方面具有较好的鲁棒性。
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Adaptive admission control in a NGN service platform
In NGN service-provisioning platforms the existence of an efficient and flexible admission control mechanism is essential for providing quality of service in a reliable and stable way, avoiding congestion scenarios caused by indiscriminate and uncontrolled service requests. The capability of modulating and regulating the rate of call acceptance, and provide service differentiation allow indirect control of the load submitted to the platform. This paper presents a service admission control solution that enables to differentiate, limit and modulate the rate by which service requests are submitted into a NGN service-provisioning platform. The solution is focused on providing a fair level of bandwidth sharing among service classes, in a configurable and dynamic way so that it can adapt the distribution by which service requests are served. To sustain the design goals of our solution, major scheduling disciplines and rate control mechanisms are here studied and compared in order to elect the more adequate components. The implemented solution was submitted to unit and charge tests; the results show its effectiveness and robustness in controlling and differentiating incoming service calls.
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