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VCG capacity adjustment method and VCG communication network

A technology of virtual concatenation group and communication network, which is applied in the field of data communication, and can solve problems such as operation mode restrictions, service interruption, adverse effects of virtual concatenation services, etc.

Active Publication Date: 2006-02-08
HUAWEI TECH CO LTD
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Problems solved by technology

[0034] The disadvantage of the prior art described above is that it only defines a method for deleting the uplink first
This not only brings strict restrictions on the operator's operation method, but also has an adverse effect on the operation of the entire LCAS protocol, because in case the operator makes a wrong operation and first issues a command to delete the downlink, it will affect the entire virtual network. The cascading service causes adverse effects, interrupts the service, and loses the protection function of LCAS

Method used

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  • VCG capacity adjustment method and VCG communication network
  • VCG capacity adjustment method and VCG communication network
  • VCG capacity adjustment method and VCG communication network

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Embodiment Construction

[0050] Before describing the embodiments of the present invention in detail, the implementation principle of firstly deleting downlink members is introduced.

[0051] Fig. 3 shows a schematic diagram of a virtual concatenation group communication network implementing the present invention, which includes a network manager and multiple devices supporting the LCAS protocol. As shown in Figure 3, the network management controls the SDH / SONET equipment supporting the LCAS protocol through commands, and the equipment can feed back the operation results to the network management. The network management can issue all the following commands to adjust the capacity of the virtual cascade. There is no order requirement for the command to reduce the capacity, that is, the command to delete the downlink member can be used first, and then the command to delete the corresponding uplink member can be used. Here During the process and after the operation is completed, there is no adverse effec...

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Abstract

This invention provides a method for adjusting virtue level integral capacity and communication net. Based on the invention, which provides an adjusting method for virtue integral level capacity in communication net with a plurality of devices supporting LCAS protocol and a net management device, comprising the following steps: the net management device deleting in any order it's a pair of upward chain route member and a downword chain route member.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a virtual concatenation group (VCG, Virtual Concatenation Group) capacity adjustment method and a virtual concatenation group communication network. Background technique [0002] With the development of modern data communication, network operators are faced with the demand for broadband service transmission, which is also a challenge. The current SDH / SONET transmission network is already unable to do what it wants when transmitting the huge data flow generated by IP core routers and ATM switches. In order to meet the requirements of broadband service transmission, a method that can avoid replacing existing equipment has to be found. [0003] The largest virtual container in the existing transmission network is VC-4 (Virtual Container, virtual container, VC-4 is a high-order virtual container), and the service bandwidth that can be transmitted is only 140Mbps. With the developm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/00
CPCH04J3/1611H04J2203/0069H04J2203/0094
Inventor 张晓益
Owner HUAWEI TECH CO LTD
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