CN107179970B - Large-scale OAM detection system and method in distributed equipment - Google Patents
Large-scale OAM detection system and method in distributed equipment Download PDFInfo
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- CN107179970B CN107179970B CN201710353251.1A CN201710353251A CN107179970B CN 107179970 B CN107179970 B CN 107179970B CN 201710353251 A CN201710353251 A CN 201710353251A CN 107179970 B CN107179970 B CN 107179970B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2236—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test CPU or processors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/161—Computing infrastructure, e.g. computer clusters, blade chassis or hardware partitioning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
Abstract
A large-scale OAM detection system and method in distributed equipment relates to the field of distributed equipment and comprises an exchange board card, a plurality of service line cards and at least one OAM board card, wherein the exchange board card is used for processing the exchange of OAM messages between the OAM board card and the plurality of service line cards; each business line card is used for processing the exchange of OAM messages between the exchange board card and the line; each OAM board card comprises a plurality of OAM processing units and an SW, the SW is used for exchanging OAM messages between the OAM processing units and the intermediate exchange board card, the OAM processing units are used for increasing next hop information in front of the OAM messages in the downstream direction and sending the next hop information to the exchange board card through the SW, and the OAM messages from the exchange board card are processed in the upstream direction. The invention improves the OAM processing capability of the whole equipment and improves the OAM stability.
Description
Technical Field
The invention relates to the field of distributed equipment, in particular to a large-scale OAM detection system and a large-scale OAM detection method in distributed equipment.
Background
The IP ran (Internet Protocol Radio Access Network) technology is a core Network implementation technology for an application scenario of wireless service backhaul and large client service Access.
In a distributed device, in order to detect the on-off condition of a network service, it needs to be applied to a large-specification OAM (Operation Administration and Maintenance) resource. In the traditional implementation method, an OAM chip is arranged on each line card to perform OAM detection, but because each line card has a limitation on the total specification of resources, the resource specification allocated to the OAM chip is often small, and large-specification OAM application is difficult to implement. And each line card has OAM chip, but the business can be divided to a certain line card, because OAM processing ability of each line card is limited, it is difficult to realize the processing balance of the business on a plurality of line cards, the business divided to the transaction card can not be completely processed by OAM, and the OAM chips of other line cards are idle, thus causing the business to be not matched with the OAM processing, and the whole processing ability is not high. In addition, when the line card where the service is located is switched, the processing of the service is also switched to the OAM chip of the new line card, thereby causing an unstable OAM phenomenon.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a large-scale OAM detection system and method in distributed equipment, which can improve the OAM processing capability of the whole equipment and improve the OAM stability.
In order to achieve the above purposes, the invention adopts a large-scale OAM detection system in distributed equipment, which comprises an exchange board card, a plurality of service line cards and at least one OAM board card, wherein the exchange board card is used for processing the exchange of OAM messages between the OAM board card and the plurality of service line cards; each business line card is used for processing the exchange of OAM messages between the exchange board card and the line; each OAM board card comprises a plurality of OAM processing units and a switch SW, the SW is used for exchanging OAM messages between the OAM processing units and the switch board card, the OAM processing units are used for increasing next hop information in front of the OAM messages in the downlink direction and sending the next hop information to the switch board card through the SW, and the OAM messages from the switch board card are used for carrying out OAM processing in the uplink direction.
On the basis of the technical scheme, the OAM board cards are divided into two blocks, one block is a main OAM board card, the other block is a standby OAM board card, the main OAM board card is used for maintaining the OAM working state, and the standby OAM board card is used for maintaining the same working state as the main OAM board card.
On the basis of the above technical solution, the switch board card is used in an uplink direction to send the OAM messages to the main OAM board card and the OAM board card, and used in a downlink direction to receive the OAM messages sent by the main OAM board card.
On the basis of the above technical solution, when the OAM board card is multiple, all the OAM board cards are main OAM board cards, or part of the OAM board cards are main OAM board cards, and part of the OAM board cards are standby OAM board cards.
On the basis of the above technical solution, the OAM board card further includes an automatic protection switching APS module, which is used to receive the service working state detected by the OAM board card, and implement maintenance of the service protection state.
On the basis of the above technical solution, the APS module is further configured to receive an interrupt signal triggered by the OAM processing unit when the service working path fails, and decide the working path of the current service.
The invention also provides a large-scale OAM detection method in the distributed equipment, which comprises the following steps:
in the downlink direction, an OAM processing unit in the OAM board adds a message header of next hop information at the front end of an OAM message, and sends the message header to a switch board through SW, the switch board sends the OAM message to a service line card corresponding to the next hop information, and the service line card packages the message header and then sends the message header to a line;
in the uplink direction, the business line card receives the OAM message from the line and forwards the OAM message to the SW through the switching line card, the SW forwards the OAM message to the corresponding OAM processing unit, and the OAM processing unit carries out OAM processing on the OAM message.
On the basis of the technical scheme, the OAM board card has two blocks, one is a main OAM board card, and the other is a standby OAM board card; in the downlink direction, the switch board only receives the OAM messages sent by the main OAM board; in the uplink direction, the switch board sends the received OAM message to the main OAM board and the OAM board, respectively.
On the basis of the technical scheme, an APS module is integrated on the OAM board card, the OAM processing unit sends the detected service working state to the APS module, and the APS module determines that the service works on a main path or a standby path of a line.
On the basis of the technical scheme, when the OAM processing unit detects that the service working path is in fault, an interrupt signal is triggered to the APS module, and the APS module executes the protection state processing logic and decides the working path of the current service.
The invention has the beneficial effects that:
1. by integrating a plurality of OAM processing units on one OAM board card and transmitting OAM messages between the exchange board card and the service line cards, the imbalance of service processing on a plurality of line cards is avoided, and the OAM processing specification and capability of the whole equipment can be greatly improved; and different numbers of OAM processing units are arranged on the OAM board card according to different requirements, so that the production cost of the whole machine is reduced.
2. When the business exits are switched, the OAM processing unit is not affected, and the stability of OAM processing is improved; the specific implementation method for isolating the user can greatly improve the performance of the user under the condition of low user perception.
3. A standby OAM board card which is mutually protected with the main OAM board card is arranged to protect OAM management resources, and the application of large-scale OAM in distributed equipment is realized.
4. By arranging the APS module, the automatic protection switching of the service path is realized, and the high reliability of the whole system is further improved.
Drawings
Fig. 1 is a schematic diagram of a large-scale OAM detection system in a distributed device according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of the OAM board card of the present invention;
fig. 3 is a schematic diagram of a large-scale OAM detection system in a distributed device according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the large-scale OAM detection system in distributed equipment in the first embodiment includes an exchange board card, a plurality of service line cards, and an OAM board card, where the exchange board card is configured to process exchange of OAM messages between the OAM board card and the plurality of service line cards, and each service line card is configured to process exchange of OAM messages between the exchange board card and a line. The OAM board card comprises a plurality of OAM processing units and a SW (switch), wherein the SW is used for exchanging OAM messages between the OAM processing units and the switch board card; the OAM processing unit is used for increasing next hop information in front of an OAM message in the downlink direction and sending the next hop information to the exchange board card through the SW; and the OAM processing unit is used for carrying out OAM processing on the OAM message from the switching board card in the uplink direction.
Preferably, as shown in fig. 2, the OAM board further includes an APS (Automatic Protection Switching) module, which is respectively connected to the OAM processing unit, and is configured to receive the service working state detected by the OAM board, and implement maintenance on the service Protection state; the APS module is further configured to receive an interrupt signal triggered by the OAM processing unit when the service working path fails, and decide the working path of the current service.
The large-scale OAM detection system in the distributed device of this embodiment specifically includes the following steps:
in the downlink direction, an OAM processing unit of the OAM board adds a message header at the front end of an OAM message, the next hop information is encapsulated in the message header, the OAM message is sent to the switch board through the SW, the OAM message is sent to a service board corresponding to the next hop information through the switch board, and the service board encapsulates the message header and then sends to the corresponding line.
In the uplink direction, the service line card receives the message from the line, identifies the OAM message and the OAM item ID, forwards the OAM message to the SW through the exchange line card, the SW forwards the OAM message to the OAM processing unit corresponding to the OAM item ID, and the OAM processing unit performs subsequent OAM processing on the OAM message.
Preferably, as shown in fig. 2, if the OAM board card integrates the APS module, the OAM processing unit sends the detected service working status to the APS module, and the APS determines the active path or the standby path on which the service works on the line, thereby implementing maintenance of service protection. When the OAM processing unit detects the service working path fault, an interrupt signal is triggered to the APS module, and the APS module executes the protection state processing logic and decides the working path of the current service.
As shown in fig. 3, the large-scale OAM detection system in distributed equipment in the second embodiment is substantially the same as the first embodiment, except that two OAM boards are used, one is a main OAM board, and the other is a standby OAM board. The main OAM board card is used for maintaining the OAM working state, and the standby OAM board card is used for maintaining the same working state as the main OAM board card. The switching board is clamped in the uplink direction and used for respectively sending the OAM messages to the main OAM board card and the OAM board card; the switch board card is used for receiving the OAM message sent by the main OAM board card in the downlink direction, and does not receive the OAM message sent by the standby OAM board card under the normal condition. Preferably, as shown in fig. 2, APS modules may be integrated in both the active OAM board card and the standby OAM board card, and the function of the APS modules is the same as that in the first embodiment, and will not be described again here.
The large-scale OAM detection method in the distributed device of this embodiment is different from the first embodiment in that, in receiving (uplink direction) and sending (downlink direction) an OAM message, the switch board card realizes the concurrent selective receiving function, which specifically is: in the downlink direction, both the main OAM board and the standby OAM board add a message header encapsulating next hop information at the front end of the OAM message, and then send to the switch board, the switch board receives the OAM message sent only by the OAM board and sends the OAM message to the corresponding service line card (i.e. the service line card corresponding to the next hop information), and the service line card encapsulates the message header and then sends to the corresponding line. In the uplink direction, the service line card receives the messages from the line, the identified OAM messages are respectively sent to the main OAM board card and the standby OAM board card through the switch board card, and the main OAM board card and the standby OAM board card internally process the received OAM files identically.
The OAM board card can be a plurality of, and can be configured according to different actual use conditions. When a plurality of OAM board cards exist, the OAM board cards can be all main OAM board cards; a standby OAM board card can be set, and the rest are main OAM board cards; or configuring part of the main OAM board card and part of the standby OAM board card; however, no matter how the configuration is performed, the internal structures and functions of the active OAM board card and the standby OAM board card are the same as those in the above embodiments, and are not described here again.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A large-scale OAM detection system in distributed equipment is characterized by comprising an exchange board card, a plurality of service line cards and at least one OAM board card, wherein the exchange board card is used for processing the exchange of OAM messages between the OAM board card and the plurality of service line cards; each service line card is used for processing the exchange of OAM messages between the exchange board card and the line corresponding to the service line card; each OAM board card comprises a plurality of OAM processing units and a switch SW, the SW is used for exchanging OAM messages between the OAM processing units and the switch board card, the OAM processing units are used for increasing next hop information in front of the OAM messages in the downlink direction and sending the next hop information to the switch board card through the SW, and the OAM messages from the switch board card are used for carrying out OAM processing in the uplink direction.
2. The large OAM detection system in a distributed device as recited in claim 1, wherein: the OAM board card comprises two OAM board cards, one OAM board card is a main OAM board card, the other OAM board card is a standby OAM board card, the main OAM board card is used for maintaining the OAM working state, and the standby OAM board card is used for maintaining the same working state as the main OAM board card.
3. The large OAM detection system in a distributed device as recited in claim 2, wherein: the switch board card is used for respectively sending the OAM messages to the main OAM board card and the standby OAM board card in the uplink direction, and used for receiving the OAM messages sent by the main OAM board card in the downlink direction.
4. The large OAM detection system in a distributed device as recited in claim 1, wherein: when the OAM board cards are multiple, all the OAM board cards are main OAM board cards, or part of the OAM board cards are main OAM board cards, and part of the OAM board cards are standby OAM board cards.
5. A large-scale OAM detection system in distributed equipment according to any of claims 1 to 4, wherein: the OAM board card also comprises an automatic protection switching APS module which is used for receiving the service working state detected by the OAM board card and realizing the maintenance of the service protection state.
6. The large OAM detection system in a distributed device as recited in claim 5, wherein: and the APS module is also used for receiving an interrupt signal triggered by the OAM processing unit when the service working path fails and deciding the working path of the current service.
7. A method for detecting large-scale OAM in distributed devices based on the system of claim 1, comprising the steps of:
in the downlink direction, an OAM processing unit in the OAM board adds a message header of next hop information at the front end of an OAM message, and sends the message header to a switch board through SW, the switch board sends the OAM message to a service line card corresponding to the next hop information, and the service line card packages the message header and then sends the message header to a line;
in the uplink direction, the business line card receives the OAM message from the line and forwards the OAM message to the SW through the switching line card, the SW forwards the OAM message to the corresponding OAM processing unit, and the OAM processing unit carries out OAM processing on the OAM message.
8. The method for large-scale OAM detection in a distributed device as recited in claim 7, wherein: the OAM board card has two blocks, one is a main OAM board card, and the other is a standby OAM board card; in the downlink direction, the switch board only receives the OAM messages sent by the main OAM board; in the uplink direction, the switch board sends the received OAM message to the main OAM board and the standby OAM board, respectively.
9. The method for large-scale OAM detection in a distributed device as recited in claim 7, wherein: an APS module is integrated on the OAM board card, the OAM processing unit sends the detected service working state to the APS module, and the APS module determines the main path or the standby path of the service working on the line.
10. The method for large-scale OAM detection in a distributed device as recited in claim 9, wherein: when the OAM processing unit detects the service working path fault, an interrupt signal is triggered to the APS module, and the APS module executes the protection state processing logic and decides the working path of the current service.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353251.1A CN107179970B (en) | 2017-05-18 | 2017-05-18 | Large-scale OAM detection system and method in distributed equipment |
| PCT/CN2017/111564 WO2018209915A1 (en) | 2017-05-18 | 2017-11-17 | Large-scale oam detection system and method in distributed devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353251.1A CN107179970B (en) | 2017-05-18 | 2017-05-18 | Large-scale OAM detection system and method in distributed equipment |
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| Publication Number | Publication Date |
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| CN107179970A CN107179970A (en) | 2017-09-19 |
| CN107179970B true CN107179970B (en) | 2019-12-24 |
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| CN201710353251.1A Active CN107179970B (en) | 2017-05-18 | 2017-05-18 | Large-scale OAM detection system and method in distributed equipment |
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| WO (1) | WO2018209915A1 (en) |
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| CN107179970B (en) * | 2017-05-18 | 2019-12-24 | 烽火通信科技股份有限公司 | Large-scale OAM detection system and method in distributed equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223258A (en) * | 2011-08-02 | 2011-10-19 | 杭州华三通信技术有限公司 | Method and device for preventing BFD (bidirectional forwarding detection) conversation interruption |
| CN103152205A (en) * | 2013-03-22 | 2013-06-12 | 烽火通信科技股份有限公司 | Stream-index-based operation administration and maintenance (OAM) processing method and device |
| CN104270309A (en) * | 2014-09-09 | 2015-01-07 | 烽火通信科技股份有限公司 | Method for achieving multi-hop BFD under IP RAN equipment |
| US9313132B1 (en) * | 2014-05-28 | 2016-04-12 | Altera Corporation | Standalone OAM acceleration engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179970B (en) * | 2017-05-18 | 2019-12-24 | 烽火通信科技股份有限公司 | Large-scale OAM detection system and method in distributed equipment |
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- 2017-05-18 CN CN201710353251.1A patent/CN107179970B/en active Active
- 2017-11-17 WO PCT/CN2017/111564 patent/WO2018209915A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223258A (en) * | 2011-08-02 | 2011-10-19 | 杭州华三通信技术有限公司 | Method and device for preventing BFD (bidirectional forwarding detection) conversation interruption |
| CN103152205A (en) * | 2013-03-22 | 2013-06-12 | 烽火通信科技股份有限公司 | Stream-index-based operation administration and maintenance (OAM) processing method and device |
| US9313132B1 (en) * | 2014-05-28 | 2016-04-12 | Altera Corporation | Standalone OAM acceleration engine |
| CN104270309A (en) * | 2014-09-09 | 2015-01-07 | 烽火通信科技股份有限公司 | Method for achieving multi-hop BFD under IP RAN equipment |
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| Publication number | Publication date |
|---|---|
| WO2018209915A1 (en) | 2018-11-22 |
| CN107179970A (en) | 2017-09-19 |
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