Apparatus for managing requests for data in a communication network

A device and data technology, applied in the field of devices that quickly start processing media data, and can solve problems such as burden exceeding network capacity

Inactive Publication Date: 2009-04-29
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since unicast data devices provide unicast data to many different subscribers, network resources may be required to transmit large amounts of unicast data
Because channel changes may be concentrated at specific times of the day, such as 30-minute or hourly intervals coinciding with program start and end, the network may be required to carry large amounts of unicast data at the same May exceed network capacity

Method used

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  • Apparatus for managing requests for data in a communication network
  • Apparatus for managing requests for data in a communication network
  • Apparatus for managing requests for data in a communication network

Examples

Experimental program
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Embodiment Construction

[0048] Figure 1 shows an example of a network providing IP services to many subscribers. The communication network shown at 1 generally includes a core network 2 using edge nodes 3 (only one shown) for providing IP media services from one or more multicast data sources 4 (only one shown), connected to the edge A network 5 of nodes 3, an aggregation node 7 and an access node 9 connected to the aggregation node for providing IP services to many different subscriber terminals. This is an example of a peer-to-peer network, and there may be additional layers of physical devices, although Figure 1 shows basic functional blocks. In this example, the customer premises equipment (CPE) comprises a residential gateway device 11, 13, 15 and one or more receivers 17, 18, 19 which may for example comprise a set-top box for a television, a computer or other end-user equipment , 20, 21, 22. An access node may comprise, for example, a DSLAM (Digital Subscriber Line Access Multiplexer) that c...

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PUM

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Abstract

An apparatus for managing requests for media data such as video data for effecting rapid channel change in IPTV services comprises an interface for receiving data requests addressed for processing by a particular data request service device, and an agent operatively coupled to the interface and configured for selecting which of a number of different data request service devices to send the request, irrespective of the device to which the request is addressed. The apparatus includes a module for determining if a received request can be serviced by a preferred request service device based on its monitored ability to service the request. If the module determines that the preferred device is capable of servicing the request, the request is directed to that device, and otherwise to another device, which may be the device to which the data request is originally addressed.; The preferred request service device may reside at an access node for delivering media services to subscriber equipment.

Description

technical field [0001] The present invention relates to devices for managing requests for data in a communication network, and in particular but not limited to devices for providing specific data from a media stream to a user device for enabling the device to quickly start processing the media data. Background technique [0002] In existing IP (Internet Protocol) television broadcasting networks, television channels from one or more service providers are transmitted over the network to individual access nodes located in residential or commercial areas, which provide access to each Connection of individual subscriber terminals to provide selected television channels and other services to subscriber equipment. [0003] Typically, the transmission medium between the access node and the subscriber terminal has a limited bandwidth and may eg comprise conductive wires such as twisted pairs. Each access node typically receives all channels subscribed to by clients connected to tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L29/06503H04L65/4076H04L29/08738H04L65/605H04L29/06455H04L29/08972H04L29/06027H04L65/611H04L65/765H04L67/563H04L67/63H04L65/1101
Inventor T·A·巴雷特
Owner ALCATEL LUCENT SAS
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