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corrective actions automatically. This capability, combined with the proactive analysis techniques already mentioned, will allow the OSS to monitor the network, services, and control plane, analyze all the available data, and perform necessary actions. In this manner, the OSS will be able to not only anticipate service degradation, but to actually take action to prevent it, as well. Furthermore, as a strong mediation enables a unified framework for network operation, providing a single network view (independently vendor and technology) and correlating the different layers composing the network (fiber, optical, VPLS, Ethernet, MLPS, IP), it is therefore a key component in realizing another IMS goal: the access agnostic network.
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"...adjusting the network's bandwidth management to maintain QoS before the user experience is even affected." |
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The IMS network architecture has enormous potential to offer new benefits to the consumer and new revenue sources for network operators. However, if IMS is to succeed in the market and realize its potential for service providers, QoS must be a priority from day one. In addition to the changing network structure, the market around IMS will become more complex as well. Service providers will find themselves in competition with traditional competitors as well as with emerging content providers like Google, Yahoo, and Skype. With market conditions leading QoS to be one of the primary areas of
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Providing QoS over IMS networks will require an advanced set of OSS features. On the whole, any OSS deployed over an IMS network must provide a unified and comprehensive network view in order to rationally manage the complexity resulting from the convergence and rapid service rollouts. Broader capabilities in fault management will be necessary in order to manage traffic patterns and congestion, in addition to traditional network faults. This broader scope of data analysis must then be utilized to anticipate effects on specific services and users, sometimes even before the root cause is identified. Finally, the OSS should have the capability to take action on these analyses, adjusting the network's bandwidth management to maintain QoS before the user experience is even affected.
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competitive differentiation, combined with the increased range of competition, providers will need a particular set of OSS features in order to succeed. The OSS product suite should provide end-to-end proactive Service Assurance that includes not only performance monitoring, topology based root-cause correlation, and service impact analysis, but also automates problem resolution by sending commands to the network based on a predefined knowledge base. Making QoS a priority, and deploying the right OSS to provide it, will allow service providers to take advantage of new technologies and business models through IMS.
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