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Conversion control method and system of OAM message

A control method and control system technology, applied in the field of network communication, to achieve the effect of reducing development costs and reducing equipment requirements

Inactive Publication Date: 2007-02-14
BEIJING HUAWEI DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0050] In order to solve the problem of how to process the message when the forwarding table fails to be searched in the prior art, the present invention provides a forwarding control method and system of the OAM message

Method used

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  • Conversion control method and system of OAM message
  • Conversion control method and system of OAM message
  • Conversion control method and system of OAM message

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] see Figure 5 , a forwarding control method of an OAM message. The OAM message of this embodiment is described by taking a link tracking message LTM as an example, and specifically includes the following steps:

[0096] Step 101: Extend the sixth bit in the Flags field of the link tracking message LTM, and name the extended bit, which is named B / D (Broadcast / Discard, broadcast or discard) bit in this embodiment.

[0097] In the LTM message, the existing usage rules of the Flags field are as follows:

[0098] HWOnly: (highest bit) If this bit is set, the MAC address table will be used to guide the LTM message to be sent to the next hop address instead of the MEP CCM database and MIP CCM database.

[0099] Because the lower 7 bits in the Flags field are not used in the format of the existing IEEE 802.1ag link tracking message LTM, any bit can be extended. This embodiment only takes the 6th bit as an example. illustrate.

[0100] Step 102: Set the newly extended bits, i...

Embodiment 2

[0108] The present invention also provides another OAM message forwarding control method. The OAM message in this embodiment is described by taking the link tracking message LTM as an example, and the specific steps are as follows:

[0109] Step 201: Extend the LTM message, that is, carry a new TLV, and carry the next-hop MAC address in the type field of the TLV. The next-hop MAC address is an alternate destination address.

[0110] TLVs

Type field

End TLV

0

Port ID TLV

1

MAC Status TLV

2

Data TLV

3

Reply Information TLV

4

Reply Ingress TLV

5

Reply Egress TLV

6

Next Hop Identifier TLV

7

Reserved for definition by IEEE 802.1

8-30

Organization-Specific TLVs

31

Reserved for definition by ITU-T Y.1731

32-63

Reserved for definition by IEEE 802.1

64-255

[0111] Table 2

[0112] ...

Embodiment 3

[0126] see Figure 7 , the present invention also provides a forwarding control system of an OAM message, including the following modules:

[0127] An identification information adding module, configured to add an identification information to the OAM message, and then send it in the maintenance domain;

[0128] The forwarding module is used to broadcast or discard the OAM message in the virtual local area network according to the identification information if the MAC address is not found in the forwarding table after the intermediate node of the maintenance alliance receives the OAM message.

[0129] Among them, the identification information adding module specifically includes:

[0130] The extension and sending unit is used to extend any one of the lower 7 bits of the Flags field of the OAM message. If the OAM message is important, set the important flag for the extended bit; otherwise, if it is not set, the maintenance alliance endpoint will expand Subsequent packets are...

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PUM

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Abstract

This invention provides a transmission control method and a system for OAM messages, in which, the method includes: adding a piece of ID information on the OAM message then transmitting the message in maintenance fields, when the middle node of the maintenance alliance receives the OAM message, if it does not fine out the MAC address in a trtansmission list, then it broadcasts the OAM message in the analog LAN based on said ID information or casts it off. This invention also provides a transmission control system including an ID information adding module and a transmission module.

Description

technical field [0001] The present invention relates to the field of network communication, in particular to a method and system for forwarding and controlling OAM (Operations, Administration and Maintenance) messages. Background technique [0002] Ethernet technology is easy to use, low in price, and its bandwidth can be continuously improved. Whether it is a service or a network structure, it has been widely used in enterprise networks, metropolitan area networks and wide area networks. However, the maintainability and operability of traditional Ethernet are relatively weak. As the scope of Ethernet promotion gradually expands, the demand for Ethernet OAM functions becomes stronger and stronger. [0003] The Ethernet OAM function can be divided into two parts: fault management and performance management. Among them, fault management is to send detection packets to detect the connectivity of the network through timing or manual triggering. The implementation mechanism is s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/24H04L12/26H04L29/02
CPCH04L12/24H04L41/00H04L41/34
Inventor 李民施震宇张扬
Owner BEIJING HUAWEI DIGITAL TECH