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TESTING OF TRANSMISSION PARAMETERS WITHIN IP NETWORKS BY NEW STANDARD IN ETHERNET SERVICE TESTING
Abstract
Testing of transmission parameters within data networks is necessary for evaluation of quality level of provided services guaranteed in SLA between provider and end user. The main aim of the article is to introduce recommendations ITU-T Y.1564 SAM and demonstrate measurement its own according to these recommendations. The article is focused on efficiency measurement of IP networks with comparison to QoS parameters from different network features, which use 100 megabyte and gigabyte Ethernet interface. For measurement was borrowed two devices EXFO FTB-1 Pro, which have testing application NetBlazer V2. The measurement subject were two testing networks composed of different network features, in which are QoS parameters measured and evaluated according to ITU-T 1564 SAM. In the IP networks can be distinguish two basic models for service quality evaluation. The first QoS metric-based model, which is part of the article, is designed to evaluate the technical parameters of the networks. In the case of the QoS model, however, it cannot be ascertained how the quality of the service satisfied the end customer. This issue deals with QoE discipline. Both models are closely related. Applying the QoS policy to a given type of service will positively affect the quality of service perceived by the end user.
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References9
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Number of times cited according to Crossref: 1
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