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Method for preserving media plane quality

A media and quality technology, applied in the field of telecommunications, which can solve the problems of increasing delay, increasing delay variation, etc.

Active Publication Date: 2018-02-27
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Higher usage increases latency and also increases latency variation

Method used

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  • Method for preserving media plane quality
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  • Method for preserving media plane quality

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Embodiment Construction

[0039] In the following, a system, method, node, virtualized network function and computer program for maintaining media stream quality when the media stream is processed by a virtualized network function for media handling is described in more detail.

[0040] In the context of this application, the term "virtual network function (VNF)" may specifically designate a virtual machine (VM) A function that is responsible for disposing of specific network functions running on it. Individual virtual network functions can be connected, combined, or chained together as building blocks for providing comprehensive networked communication or transport services.

[0041] refer to figure 2 , which shows the NFV architecture of a VNF for media handling according to the present invention.

[0042] The VNF for media handling 210 performs the actual handling of media streams. Media can be any type of conversational or streaming media, such as spoken, audio, or video. The term "handling" r...

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PUM

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Abstract

A system, method, node, virtualized network function, and computer program for preserving a media stream quality at processing of a media stream by a virtualized network function for media handling (210) is presented. The virtualized network function for media handling (210) is running in a network function virtualization infrastructure (130) hosting the virtualized network function for media handling (210). The virtualized network function for media handling (210) is managed by a virtualized network function manager (220). The method comprises to determine a media stream quality caused by theprocessing of the media stream by the virtualized network function for media handling (210). The method further comprises that the virtualized network function manager (220) scales the virtualized network function for media handling (210) as a result of the determining step.

Description

technical field [0001] The present invention relates to telecommunications, and in particular, to systems, methods, nodes, virtualized network functions and computer programs for maintaining media stream quality when media streams are processed by virtualized network functions for media handling. Background technique [0002] Good speech quality is a key characteristic of communication networks and has therefore been a constant focus of network operators and users. The encoding and decoding of speech audio is well understood today, and the processing power available in user equipment and within communication networks allows the use of even more complex codecs, which allow the generation of high-definition speech-encoded media streams. Also, the aspect of loss of speech frames caused by radio coverage problems and packet transmission network congestion is well understood, and solutions exist to counteract these sources of speech quality impairment. [0003] However, there ar...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
CPCH04L65/80H04L67/1031H04L65/765
Inventor T.埃克D.斯杰斯特兰德D.菲伊德勒
Owner TELEFON AB LM ERICSSON (PUBL)