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Switching device for telecommunication networks

A technology for switching equipment and telecommunication networks, applied in ring networks, data switching networks, store and forward switching systems, etc.

Inactive Publication Date: 2004-03-31
ECE TELECOM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In WO00 / 76156 A1, network elements (LU units) and customer add / drop elements (SU) are not generic, i.e. cannot replace each other

Method used

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  • Switching device for telecommunication networks
  • Switching device for telecommunication networks
  • Switching device for telecommunication networks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0066] Figure 1a illustrates known rules for organizing a switching cell; a hybrid switching unit 10 is shown in this example. In the figure, an ATM switch or switching unit 12 is connected to a number of modules: 14, 16, 18 and 20. Each module (eg, 14) includes an I / O block (141), which includes a set of I / O ports bidirectionally connected to a specific adaptive function block (142). The adaptive functional blocks of these modules 14 , 16 , 18 , 20 are likewise connected to the switching unit 12 in a bidirectional manner.

[0067] In this example, different modules serve incoming / outgoing data streams with different protocols.

[0068] Each adaptive function block belonging to a specific module only serves the I / O ports belonging to the I / O block of this module, and cannot serve the I / O ports belonging to different modules.

[0069] Figure 1b illustrates a transformation 22 of another known switch fabric. Modules 24 and 26 are organized in such a way that there is a separa...

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PUM

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Abstract

A switching device for telecommunication networks, which comprises a) a number of I / O ports (30, 32, 34, 35, 39, 62, 64, 66, 68) for inputting incoming data streams and outputting outgoing data streams of arbitrary protocols, b)a switching fabric SF (38, 50, 52, 70, 72, 74) for handling internal data streams, c) a number of adaptation functional blocks AFBs (40, 42, 43, 44) associated with the switching fabric SF. Each AFB is capable of performing at least one of the following adaptation functions: converting one or more of the incoming data streams or portions thereof into one or more internal data streams, and converting one or more of the internal data streams handled by the SF into one or more outgoing data streams or portions thereof. The switching device also comprises a distribution block DB (36) adapted to allow selective switching between the I / O ports and the adaptation functional blocks AFBs and so configurable to provide a required connection between any of the I / O ports and any of the adaptation functional blocks AFBs.

Description

technical field [0001] The invention relates to a switching device comprising a switching unit and having a large number of input / output ports, for example an ATM switch capable of switching and switching a large number of incoming data streams, which may have different protocols. Background technique [0002] Asynchronous Transfer Mode (ATM) is a technology based on the transmission and switching of cells. ATM provides high-capacity transmission of voice, data and video in telecommunications and computing environments. ATM is a transmission technology that formats all information content transmitted over the network into 53-byte cells. Since these cells are short in length and standard in size, they can be switched with little time delay by means of the mentioned ATM switching units via network elements known as ATM switches. Since the same network can carry different types of traffic, bandwidth can be highly utilized. These characteristics make the network very flexible...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/54H04Q11/04
CPCH04L2012/5652H04L2012/5679H04Q11/0478H04L12/5601H04L49/3081H04L2012/5665
Inventor Y·瓦拉达斯基D·D·比德尼
Owner ECE TELECOM LTD