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Network connectivity identification

A network link and receiving node technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve problems such as bandwidth fluctuations

Active Publication Date: 2017-08-18
BRITISH TELECOMM PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As can be seen, the bandwidth fluctuates greatly during the period and thus cannot be used to precisely identify the technology used

Method used

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Examples

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Embodiment Construction

[0041] Here, the invention is described with reference to specific examples. However, the present invention is not limited to these examples.

[0042] An example of the present invention presents a method of determining the network connection technology used in a network link. The method sends test packets from a router to an end-device, such as a set-top box, and measures the delay of the received packets at the end-device. Gradually increase the size of the grouping. Gradually increasing the packet size effectively increases the load on the network link between the router and the end device. The delay profile varies according to packet size (indicating increased network load) and yields a signature or "fingerprint" of the networking technology used for that link throughout the load period. This signature can be compared to predetermined models to identify the specific technology used. The technology can be enabled using software modules installed on gateways / routers and ...

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Abstract

Examples of the present invention present a method of determining the network connectivity technology being used in a network link. The method sends test packets from the router to an end device, such as a set-top box, and measures the latency in the received packets at the end device. The packets are gradually increased in size. The increasing packet size effectively results in increasing the load on the network link between the router and the end device. The latency characteristics vary as a function of packet size (representing increasing network load), and result in a signature or "fingerprint" for the network connectivity technology being used for the link, across the load cycle. The signature can be compared to predetermined models to identify the specific technology used. The technique can be enabled using software modules installed at the gateway / router and at the end-point, such as a set-top box.

Description

technical field [0001] The present invention relates to the field of identifying network connection types. Background technique [0002] The use of home networking technology can vary greatly between and within customer premises. This variation can make it difficult for service providers to troubleshoot or determine available connections. For example, if a user reports that his IPTV service is not working, it is useful to know which type of network is used and its performance from the gateway or router to the set-top box, in case the problem relates to a problem in the home network. However, DSL service providers generally have no knowledge of the performance of the home network beyond the gateway or router. [0003] The problem is further compounded by the increasing number of network connection technologies that users may use, including Ethernet, 2.4GHz Wi-Fi, 5GHz Wi-Fi, powerline networking, and combinations of these technologies in the same unit. Several mixing devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
CPCH04L43/087H04L43/10H04L61/5007
Inventor 尼古拉斯·法罗
Owner BRITISH TELECOMM PLC
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