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Method for scalable measuring of connectivity between two way active measurement protocol (TWAMP) entities.

A two-way active measurement and connectivity technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as consumption of processing power and achieve effective use

Inactive Publication Date: 2014-12-17
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This consumes processing power from other responsibilities of the server

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  • Method for scalable measuring of connectivity between two way active measurement protocol (TWAMP) entities.
  • Method for scalable measuring of connectivity between two way active measurement protocol (TWAMP) entities.
  • Method for scalable measuring of connectivity between two way active measurement protocol (TWAMP) entities.

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Embodiment Construction

[0021] In the following description, for purposes of explanation and not limitation, specific details are set forth, such as specific circuits, circuit components, techniques, etc., in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known methods, devices, and circuits are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0022] figure 2 The measurement of the connectivity between the radio network controller RNC 15 (session server) and the pico BTS 16-23 (session reflector) connected via the router 25 in the tree structure in the first exemplary embodiment is disclosed. It should be noted that the RNC is an example and in eg a Long Term Evolution LTE network a Packet Data Network PDN Serving Gateway ...

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Abstract

The present invention relates to method and arrangements to measure connectivity between Two Way Active Measurement Protocol TWAMP entities comprising a session-server (15) and session-reflectors (16-23) in a communication network. The method comprises steps like: dividing in the session- server (15), the session-reflectors (16-23) into at least one defined group (11-14)of session-reflectors (16-17,18- 9,20-21,22-23); transmitting a test session (1;1-4) from the session-server (15) to the session-reflectors(16- 7;16-23) by using Source Specific Multicasting, said test session comprising at least one test packet (1a-1c;1a-4c) 1 being destined to at least one session-reflector (16-17;16- 23) in at least one defined group (11;11-14); replying to the at least one test packet (1a-1c;1a-4c) by the at least one session-reflector (16-17;16-23).

Description

technical field [0001] The present invention relates to methods and arrangements, and more particularly to mechanisms and techniques for measuring connectivity between TWAMP entities, including session servers and session reflectors, in a communication network. Background technique [0002] Bidirectional Active Measurement Protocol TWAMP is a protocol for measuring bidirectional or round-trip metrics between network devices. In the TWAMP architecture, a session receiver is called a session reflector, and a session sender is called a session server. The session reflector has the capability to timestamp and return measurement packets when it receives them from the session server. Unlike session servers, session reflectors do not collect any packet information. It simply timestamps the packet and sends it back to the server on the fly. A server is an end system that manages one or more TWAMP sessions, and can configure per-session state in the endpoint. The session server a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/761H04L45/16
CPCH04L43/0811H04L43/0858H04L43/0864H04L43/106H04L43/08H04L43/10H04L43/00H04L41/00H04L43/50H04L45/30H04L69/14
Inventor J·科尔希A·维林T·塞尼L·霍尔斯特罗姆
Owner TELEFON AB LM ERICSSON (PUBL)
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