Voice over IP Networks - Quality of Service, Pricing and Security
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چکیده
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منابع مشابه
A Strategic Pricing for Quality of Service (QoS) Network Business
In order to support emerging network businesses, such as Voice-over-IP (VoIP), virtual learning, video conferencing, and telemedicine, the Internet has to provide classes of service that are better than traditional ‘best-effort’ service. In computer networks, Quality of Service (QoS) is defined as the mechanisms that allow differentiation of network services based on their unique service requir...
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Voice networks evolved from the fixed traditional telephone system, to mobile and wireless networks and now towards a converged voice and data infrastructure. This convergence is based on the spread of the Internet Protocol, where VoIP is developing. Due to IP network characteristics, hackers are able to compromise and take control of different aspects of IP telephony such as signaling informat...
متن کاملA Survey of Packet Loss in VoIP
This paper surveys packet loss in Voice over Internet Protocol (VOIP). The voice quality is affected by many network impairments. IP networks are on a steep slope of innovation that will make them the long term carrier of all types of traffic, including voice. Such networks are not designed to support real time voice communication because of their variable characteristics. The conversational qu...
متن کاملSecuring VoIP Systems: A QoS-Oriented Approach
Voice over IP (VoIP) is a communication technology allowing voice traffic transmission as data packets over a private or a public IP network. VoIP allows significant benefits for customers and service providers including cost savings, services integration, and systems extensibility. Nevertheless, the VoIP technology suffers from many hurdles such as architecture complexity, interoperability pro...
متن کاملDeployment of VoIP Technology: QoS Concerns
Voice over IP (VoIP) is an emerging communication service allowing voice transmission over a private or a public IP network. VoIP allows significant benefits for customers and service providers including cost savings, phone and service portability, mobility, and the integration with other applications. Nevertheless, the deployment of the VoIP technology encounters many challenges such as intero...
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عنوان ژورنال:
دوره 71 شماره
صفحات -
تاریخ انتشار 2011