Enterprise VoIP Reliability

Chu, Cing-Yu; Pant, Himanshu; Richman, Steven H.; Wu, Peng

doi:10.1109/netwks.2006.300395

Cited by 13 publications

(6 citation statements)

References 2 publications

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“…In the last few years, much has been done to deal with issues relating to performance or dependability of real time applications, such as VoIP services [14,15,16,17,18,19,20,21,22]. Initially, Reference [14] provides an insight into the impact of TCP segmentation in VoIP monitoring and the solution that has been applied to face it.…”

Section: Related Workmentioning

confidence: 99%

“…In turn, the work presented in [15] In [16], a systematic approach for quantifying the reliability of enterprise VoIP networks is presented. It identifies two key challenges for designing enterprise VoIP service infrastructure: i) there are no universally accepted objectives or standards for the reliability of the enterprise VoIP services; ii) there is no well known common set of reliability metrics to be used in enterprise VoIP service planning.…”

Section: Related Workmentioning

confidence: 99%

“…It identifies two key challenges for designing enterprise VoIP service infrastructure: i) there are no universally accepted objectives or standards for the reliability of the enterprise VoIP services; ii) there is no well known common set of reliability metrics to be used in enterprise VoIP service planning. [16] presents an enhanced method and procedure for reliability calculation, using a network matrix representation and RBD.…”

Section: Related Workmentioning

confidence: 99%

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Performability Evaluation of Voice Services in Converged Networks

Guimarães

Rodrigues

Nogueira

2020

RITA

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In the last years, the transmission of voice services in converged networks has experienced a huge growth. However, there are still some questions considering the ability of these networks to deliver voice services with acceptable quality. In this paper, we applied analytical modeling and simulation to analyze the quality of voice services using a new index, called MOS a , which considers jointly the MOS index and the availability of the subjacent infrastructure. We consider the influence of different CODECs (G.711 and G.729), queuing policies (Priority Queuing and Custom Queuing), and the warm standby redundancy mechanism. Our goal is to analyze the quality of these services by taking into account overloading conditions in different architectures/scenarios. These scenarios were constructed using the modeling mechanisms Reliability Block Diagram and Stochastic Petri Nets in addition to a discrete event simulator. Experimental results indicate that the G.711 CODEC has a higher sensitivity both in terms of data traffic volume and allocated network resources in relation to the G.729 CODEC.

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Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

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Performability Evaluation of Voice Services in Converged Networks

Guimarães

Rodrigues

Nogueira

2020

RITA

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“…As the formation of the plan network and entering the numerical characteristics of the object selection (line -the line of communication, node -the node switching), with which a designer at the moment will work by clicking the mouse on the button "link" or "communication center" [6].…”

Section: Project Developmentmentioning

confidence: 99%

Algorithm and program for calculating the structural reliability of the NGN network using method of statistic modeling

Muradova

2013

2013 International Siberian Conference on Control and Communications (SIBCON)

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“…The service matrix displays the correct reference network connection [5], reliability metrics, and the corresponding objective for each service supported by the NGN. The RNC is displayed in an easy-tounderstand manner that clearly lays out the network elements touched by each service.…”

Section: Service Matrixmentioning

confidence: 99%

Reliability of next-generation networks with a focus on IMS architecture

Pant¹,

Chu²,

Richman³

et al. 2008

Bell Labs Tech. J.

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Next-generation networks (NGNs g., alternating current (AC) power and non-central office deployment), is considered in the design for network reliability. The paper includes examples from implementation of the methodology to IP Multimedia Systems (IMS) networks. © 2008 Alcatel-Lucent.of performance [9] and reliability [10] and systems which could measure them [15]. Then, even within the new packet networks, additional evolution was necessary, for example, to design multiprotocol label switching (MPLS) IP networks. In every case, there were questions about how reliable the networks could be, given that they embodied new hardware and software which did not enjoy the longer operational, development, and deployment experiences of their predecessor "legacy" technology networks. In the early stages of new hardware development, there is always a high degree of "infant mortality" [17]. Similarly, questions regarding reliability exist today for the nextgeneration networks [1,11].

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Enterprise VoIP Reliability

Cited by 13 publications

References 2 publications

Performability Evaluation of Voice Services in Converged Networks

Performability Evaluation of Voice Services in Converged Networks

Algorithm and program for calculating the structural reliability of the NGN network using method of statistic modeling

Reliability of next-generation networks with a focus on IMS architecture

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