WO2014048129A1

WO2014048129A1 - Indicating message sending method, indicating message receiving method, device and system

Info

Publication number: WO2014048129A1
Application number: PCT/CN2013/076375
Authority: WO
Inventors: 洪维毅; 罗秋雁
Original assignee: 华为技术有限公司
Priority date: 2012-09-26
Filing date: 2013-05-29
Publication date: 2014-04-03
Also published as: CN102882720A

Abstract

Embodiments of the invention provide an indicating message sending method, an indicating message receiving method, device and a system. The indicating message sending method comprises: downstream equipment determines forthcoming outage; and the downstream equipment sends an outage indicating message to upstream equipment before outage, wherein the outage indicating message includes equipment description information of the downstream equipment, so that the upstream equipment learns that the downstream equipment corresponding to the equipment description information is in outage. The indicating message sending method, the indicating message receiving method, the device and the system provided in the embodiments of the invention can achieve that the upstream equipment is capable of learning the equipment description information of the downstream equipment in outage according to the indicating message through sending the outage indicating message including the equipment description information to the upstream equipment, so that network maintenance is facilitated while efficiency is improved.

Description

Instruction message sending method, receiving method, device and system

This application claims priority to Chinese Patent Application No. 201210363649.0, entitled "Instruction Message Sending Method, Receiving Method, Device and System", filed on September 26, 2012, the entire contents of which are incorporated by reference. In this application.

TECHNICAL FIELD Embodiments of the present invention relate to communication technologies, and in particular, to an indication message sending method, a receiving method, a device, and a system. Background technique

In people's daily life and work, communication systems have become an indispensable tool for resource sharing and communication information transmission by linking isolated workstations or devices together to form a data link. Generally, when information is exchanged between devices in a communication system, devices that communicate with each other send messages to each other to establish a link and perform normal communication in a power-on state.

In a communication system in which a link has been established, if a downstream device is powered off, the downstream device sends a dying gist to the upstream device before the dying (English name is Dying gasp), and the upstream device receives the Dying gasp through a certain port, and then The upstream device will report the port number of the Dying gasp to the NMS. Because the upstream device reports its own port number, on the network management side, you need to manually find out which downstream device is connected to the port number. This results in poor maintainability and low efficiency of the network. SUMMARY OF THE INVENTION The embodiments of the present invention provide an indication message sending method, a receiving method, a device, and a system, which are used to solve the problem that the network has poor maintainability and low efficiency when a downstream device is powered off.

A first aspect of the embodiments of the present invention provides a method for sending an indication message, including: determining, by a downstream device, that a power outage occurs; the downstream device sending a power failure indication message to the upstream device, where the power failure indication message includes the downstream device Device description information. In a first possible implementation manner, according to the first aspect, the downstream device sends a recovery indication message to the upstream device after the power supply is restored, where the recovery indication message includes device description information of the downstream device.

In a second possible implementation manner, in combination with the first aspect or the first possible implementation manner, the power failure indication message is a dying message.

In a third possible implementation manner, in combination with the second possible implementation manner, the data/fill value field of the dying message includes the device description information of the downstream device.

In a fourth possible implementation, the method for sending a message according to any one of the first aspect to the third possible implementation manner, where the device description information includes: an IP address and/or a device name of the downstream device .

A second aspect of the embodiments of the present invention provides a message receiving method, including: an upstream device receiving a power-off indication message sent by the downstream device after the power-off, where the power-off indication message carries a device description of the downstream device The upstream device obtains the device description information of the downstream device according to the power-off indication message; the upstream device reports the device description information of the downstream device to the network management.

In a first possible implementation, according to the second aspect, the upstream device receives a recovery indication message sent by the downstream device after the power is restored, where the recovery indication message includes device description information of the downstream device.

In a second possible implementation manner, in combination with the second aspect or the first possible implementation manner, the power failure indication message is a dying message.

In a third possible implementation manner, in combination with the second possible implementation manner, the device description information is included in a data/fill value field of the dying message.

In a fourth possible implementation, in combination with any one of the second to third possible implementation manners, the device description information includes: an IP address and/or a device name of the downstream device.

A third aspect of the embodiments of the present invention provides a downstream device, including: a determining module, configured to determine that a downstream device is powered off; and a sending module, configured to send a power-off indication message to the upstream device, where the power-off indication message includes The device description information of the downstream device.

In a first possible implementation manner, according to the third aspect, the sending module is further configured to send a recovery indication message to the upstream device after the downstream device resumes power supply, where the recovery finger is The device description information of the downstream device is included in the message.

A fourth aspect of the embodiments of the present invention provides an upstream device, including: a receiving module, configured to receive a power-off indication message sent by the downstream device after the power-off, where the power-off indication information carries the downstream device The device description information is used by the processing module, configured to obtain, according to the power-off indication message, the device description information of the downstream device, and the reporting module, configured to report the device description information of the downstream device to the network management.

In a first possible implementation manner, according to the fourth aspect, the receiving module is further configured to: after receiving the recovery device, the recovery indication message sent by the downstream device, where the recovery indication message includes the downstream device Device description information.

A fifth aspect of the embodiments of the present invention provides an indication message transmission system, including the downstream device according to the third aspect or the first possible implementation manner of the embodiment of the present invention, and the fourth aspect or the first possible The upstream device described in the implementation.

The method for transmitting the indication message, the receiving method, the device, and the system provided by the embodiment of the present invention enable the upstream device to learn the downstream device that has been powered off according to the indication message by sending the power-off indication message including the device description information to the upstream device. Device description information, easy network maintenance, and improved efficiency. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any inventive labor.

1 is a flowchart of an embodiment of an indication message sending method according to the present invention;

2 is a flowchart of still another embodiment of an indication message sending method according to the present invention;

3 is a flowchart of an embodiment of a message receiving method according to the present invention;

4 is a schematic structural diagram of a message frame of a dying message according to an embodiment of the method for transmitting a message according to the present invention; FIG. 5 is a schematic structural diagram of an embodiment of a downstream device according to the present invention;

6 is a schematic structural view of an embodiment of an upstream device according to the present invention;

Figure 7 is a schematic structural view of still another embodiment of the downstream device of the present invention;

Figure 8 is a schematic structural view of still another embodiment of the upstream device of the present invention; FIG. 9 is a schematic structural diagram of an embodiment of an indication message transmission system according to the present invention. The technical solutions in the present invention will be clearly and completely described in conjunction with the drawings in the present invention, and the embodiments described are the present invention. Some embodiments, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a flowchart of an embodiment of a method for sending an indication message according to the present invention. As shown in FIG. 1, the method in this embodiment may include:

101. The downstream device determines that power failure occurs; electrical or other reasons, which are not limited herein. When the downstream device is powered off, the downstream device's control unit (for example, the central processing unit CPU) receives a level interrupt signal, and based on the level interrupt signal, the downstream device can determine that it has been powered down.

102. The downstream device sends a power-off indication message to the upstream device, where the power-off indication message includes device description information of the downstream device.

Optionally, the downstream device can send a power failure indication message to the upstream device by using the power in the downstream device capacitor.

Optionally, the downstream device may generate the power failure indication message according to the device description information of the downstream device.

Optionally, the device description information of the downstream device may include at least one of the following information: an Internet Protocol (IP) address of the downstream device and a device name of the downstream device. Further, the device description information of the downstream device may further include: attribute information of the downstream device, for example, at least one of the downstream device manufacturer identifier and the downstream device model.

After receiving the power-off indication message sent by the downstream device, the upstream device can learn, according to the device description information carried in the power-off indication message, which downstream device is powered off, and then report the packet to the network management.

With the method provided in this embodiment, when the downstream device is powered off, the device description information of the power-off device is fed back to the upstream device, thereby facilitating the network management to locate the power-off device, which is convenient for network maintenance. Increased efficiency.

2 is a flowchart of still another embodiment of an indication message sending method according to the present invention. As shown in FIG. 2, the method for sending an indication message in this embodiment includes:

201. The downstream device determines that a power outage occurs;

The method for implementing the power-off of the downstream device in this embodiment is the same as that of the foregoing embodiment 101, and details are not described herein again.

202. The downstream device sends a dying message to the upstream device, where the dying message carries the device description information of the downstream device.

4 is a schematic structural diagram of a message frame of a dying message according to an embodiment of the method for transmitting a message according to the present invention. As shown in FIG. 4, the message structure of the dying message of the embodiment of the present invention includes: a frame header, a data/padding value Data/Pad field, and Frame detection sequence FCS field. The frame header includes: destination address Destination Address field, source address Source Address field, length/type Length/Type field, subtype Subtype field, flag Flags field, and code Code field. After the downstream device is powered off, the dying message can be sent to the upstream device as shown in Figure 4.

Optionally, the downstream device may carry the device description letter, packet, of the downstream device in the data/padding data Data/Pad field of the dying message.

As shown in Figure 4, the Data/Pad value field includes: Local Information Local Information TLV, Remote Information Remote Information TLV, and Dying Gasp Information TLV. Specifically, the downstream device may carry the device description information of the downstream device in the Dying Gasp Information TLV of the Data/Pad field.

After the foregoing embodiment 102 or 202, the method for sending the indication message in this embodiment may further include:

The downstream device sends a recovery indication message to the upstream device after the power supply is restored, where the recovery indication message includes device description information of the downstream device.

Optionally, the foregoing recovery indication message may be a dying message carrying the device description information of the downstream device and the end event identifier of the fault event.

Optionally, in the message structure shown in FIG. 4, the Flags field may be used to identify the end of the fault event. Normally, the Flags field is 16 bits, so one or several of these bits can be used to identify the end of the fault time. For example, you can set the 1 bit to 0 to identify the end of the fault event. In this embodiment, by carrying the device description information of the power-off device in the dying message, the upstream device can automatically obtain the device description information of the power-off device when the downstream device is powered off, which is beneficial for the network management to perform the power-off device. Positioning, easy network maintenance, and improved efficiency.

FIG. 3 is a flowchart of an embodiment of a message receiving method according to the present invention. As shown in FIG. 3, the method for receiving an indication message in this embodiment includes:

301. The upstream device receives a power-off indication message sent by the downstream device after the power-off, where the power-off indication information carries device description information of the downstream device.

Optionally, the device description information of the downstream device includes at least one of the following information: an IP address of the downstream device and a device name of the downstream device. Further, the device description information of the downstream device may further include: attribute information of the downstream device, for example, at least one of the downstream device manufacturer identifier and the downstream device model.

302. The upstream device obtains device description information of the downstream device according to the power failure indication message.

303. The upstream device reports the device description information of the downstream device to the network management. The upstream device receives the power-off indication message sent after the power-off of the downstream device, and can learn, according to the device description information carried in the power-off indication message, which downstream device is powered off, and then report the packet to the network management device, so that the network management device can learn to break according to the device description information. Electrical equipment.

In this embodiment, by receiving the power-off indication message that is sent by the downstream device, including the device description information, the device can automatically obtain the device description information of the power-off device, which facilitates the network management to locate the power-off device, thereby facilitating network maintenance and improving. The efficiency.

Optionally, the power-off indication message in the foregoing method for receiving the indication message may be a dying message as shown in FIG.

Optionally, after the 302 in the foregoing method for receiving the indication message, the method further includes: the upstream device receiving a recovery indication message sent by the downstream device after the power is restored, where the recovery indication message includes the downstream Device description information of the device.

Optionally, the recovery indication message in the foregoing method for receiving the indication message may be a dying message as shown in FIG.

FIG. 5 is a schematic structural diagram of an embodiment of a downstream device according to the present invention. As shown in FIG. 5, the downstream device in this embodiment includes: a determining module 501, and a sending module 502, where:

a determining module 501, configured to determine that the downstream device is powered off; The sending module 502 is configured to send a power-off indication message to the upstream device, where the power-off indication message includes device description information of the downstream device.

Optionally, the foregoing power failure indication message may be a dying message. The downstream device of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 or FIG. 2, and the implementation principle thereof is similar, and details are not described herein again.

In the downstream device provided by the embodiment, after the determining module determines that the power failure occurs, the sending module feeds back the device description information to the upstream device, and implements the device description information reporting, thereby facilitating the network management to locate the power-off device, facilitating network maintenance, and improving effectiveness.

The sending module 502 of the upstream device embodiment may be further configured to send a recovery indication message to the upstream device after the downstream device resumes power supply, where the recovery indication message includes device description information of the downstream device.

FIG. 6 is a schematic structural diagram of an embodiment of an upstream device according to the present invention. As shown in FIG. 6, the upstream device in this embodiment includes: a receiving module 601, a processing module 602, and a reporting module 603, where: a receiving module 601 is configured to receive a power failure indication message sent by the downstream device after the power is off, where the power failure indication information carries device description information of the downstream device;

The processing module 602 is configured to obtain, according to the power-off indication message, device description information of the downstream device.

The reporting module 603 is configured to report the device description information of the downstream device to the network management system.

The upstream device of this embodiment may be used to implement the technical solution of the embodiment of the message receiving method shown in FIG. 3, and the implementation principle thereof is similar, and details are not described herein again.

The upstream device provided by the embodiment receives the power-off indication message that is sent by the downstream device and includes the device description information, and the processing module obtains the device description information of the downstream device, and then uses the reporting module to describe the device description information of the downstream device. Reported to the network management system, which facilitates the network management to locate the power-off device according to the device description information of the reported downstream device, which facilitates network maintenance and improves efficiency.

Optionally, the foregoing power failure indication message may be a dying message as shown in FIG. 4.

Optionally, the receiving module 601 of the upstream device embodiment may be further configured to receive a recovery indication message sent by the downstream device after the power is restored, where the recovery indication message includes device description information of the downstream device.

Further optionally, the recovery indication message may be a dying message as shown in FIG. 4 . FIG. 7 is a schematic structural diagram of still another embodiment of a downstream device according to the present invention. As shown in FIG. 7, the downstream device of this embodiment includes: a detector 701 and a transmitter 702, where:

a detector 701, configured to determine that the downstream device is powered off;

The transmitter 702 is configured to send a power-off indication message to the upstream device, where the power-off indication message includes the device description information of the downstream device, to report the device description information of the downstream device to the network management.

The downstream device of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 or FIG. 2, and the implementation principle is similar, and details are not described herein again.

Optionally, the transmitter 702 of the upstream device embodiment may be further configured to send a recovery indication message to the upstream device after the downstream device resumes power supply, where the recovery indication message includes device description information of the downstream device. .

FIG. 8 is a schematic structural diagram of still another embodiment of the upstream device of the present invention. As shown in FIG. 8, the upstream device of this embodiment includes: a receiver 801, a processor 802, and a transmitter 803, where:

a receiver 801, configured to receive a power-off indication message sent by the downstream device after the power-off, where the power-off indication information carries device description information of the downstream device;

The processor 802 is configured to obtain, according to the power-off indication message, device description information of the downstream device.

The sender 803 is configured to report the device description information of the downstream device to the network management.

The upstream device provided by the embodiment receives the power-off indication message that is sent by the downstream device and includes the device description information, and the device obtains the device description information of the downstream device, and then the device description information of the downstream device is sent by the transmitter. Reported to the network management system, which facilitates the network management to locate the power-off device according to the device description information of the reported downstream device, which facilitates network maintenance and improves efficiency.

Optionally, the receiver 801 of the upstream device embodiment may be further configured to receive a recovery indication message sent by the downstream device after the power is restored, where the recovery indication message includes device description information of the downstream device.

FIG. 9 is a schematic structural diagram of an embodiment of an indication message transmission system according to the present invention. As shown in FIG. 9, the system includes a downstream device 901 and an upstream device 902, where

The downstream device 901 is configured to send to the upstream device 902 when the downstream device 901 is powered off. a power-off indication message, where the power-off indication message includes the device description information of the downstream device 901; optionally, the downstream device 901 may be any one of the foregoing downstream device embodiments;

The upstream device 902 is configured to receive the power-off indication message sent by the downstream device 901, and obtain the device description information of the downstream device according to the power-off indication message, and report the device description information of the downstream device to the network management device; Optionally, the upstream device 902 can be any one of the foregoing upstream device embodiments.

The indication message transmission system provided in this embodiment is configured to send an indication message including the device description information to the upstream device, so as to report the upstream device or other device in the communication system when the downstream device is powered off or powered off, facilitating the network. Maintenance, improved efficiency.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing storage medium includes: ROM, RAM, magnetic disk or optical disk, etc., which can store various program codes. Finally, the above embodiments are only used to illustrate the technology of the present invention. The invention is not limited thereto; although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions described in the foregoing embodiments may still be modified, or Some or all of the technical features are equivalently substituted; and the modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

Rights request

A method for sending an indication message, comprising:

The downstream device determines that a power outage occurs;

The downstream device sends a power failure indication message to the upstream device, where the power failure indication message includes device description information of the downstream device.

The method according to claim 1, wherein the method further includes: after the power supply is restored, the downstream device sends a recovery indication message to the upstream device, where the recovery indication message includes the downstream Device description information of the device.

3. The method according to claim 1 or 2, wherein the power down indication message is a dying message.

4. The method according to claim 3, wherein the data of the dying message is

The /fill value field contains the device description information of the downstream device.

The method according to any one of claims 1 to 4, wherein the device description information comprises:

The IP address and/or device name of the downstream device.

6. A message receiving method, comprising:

The upstream device receives the power-off indication message sent by the downstream device after the power-off, where the power-off indication message carries the device description information of the downstream device;

The upstream device obtains device description information of the downstream device according to the power failure indication message;

The upstream device reports the device description information of the downstream device to the network management system.

7. The method according to claim 6, further comprising:

The upstream device receives a recovery indication message sent by the downstream device after the power is restored, and the recovery indication message includes device description information of the downstream device.

8. The method according to claim 6 or 7, wherein the power down indication message is a dying message.

The method according to claim 8, wherein the device description information is included in a data/fill value field of the dying message.

The method according to any one of claims 6 to 9, wherein the device description information comprises:

The IP address and/or device name of the downstream device.

11. A downstream device, comprising: a determining module, configured to determine that the downstream device is powered off;

And a sending module, configured to send a power-off indication message to the upstream device, where the power-off indication message includes device description information of the downstream device.

The downstream device according to claim 11, wherein the sending module is further configured to send a recovery indication message to the upstream device after the downstream device resumes power supply, where the recovery indication message includes The device description information of the downstream device.

13. An upstream device, comprising:

a receiving module, configured to receive a power-off indication message sent by the downstream device after the power is off, where the power-off indication information carries device description information of the downstream device;

a processing module, configured to obtain, according to the power-off indication message, device description information of the downstream device;

The reporting module is configured to report the device description information of the downstream device to the network management system.

The upstream device according to claim 13, wherein the receiving module is further configured to: after receiving the recovery indication message sent by the downstream device to resume power supply, where the recovery indication message includes the downstream device Device description information.

An indication message transmission system, characterized in that the system comprises the downstream device according to claim 11 or 12 and the upstream device according to claim 13 or 14.