CN104883276A - OAM (Operation Administration and Maintenance) method and system based on distributed architecture - Google Patents

OAM (Operation Administration and Maintenance) method and system based on distributed architecture Download PDF

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Publication number
CN104883276A
CN104883276A CN201510269942.4A CN201510269942A CN104883276A CN 104883276 A CN104883276 A CN 104883276A CN 201510269942 A CN201510269942 A CN 201510269942A CN 104883276 A CN104883276 A CN 104883276A
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oam
module
slot
message
oam message
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CN104883276B (en
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张帆
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Fiberhome Telecommunication Technologies Co Ltd
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Fiberhome Telecommunication Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0654Management of faults, events, alarms or notifications using network fault recovery

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses an OAM (Operation Administration and Maintenance) method and system based on a distributed architecture and relates to the field of OAM transfer in PTN products. The method comprises a step of determining a UNI interface which belongs to an LAG (Link Aggregation Group) as an LAG member when all service boards are normally in position; a step of creating a PW OAM message at a slot position where an LAG member port is so as to enable the PW OAM message to be received and transmitted at a slot position of a minimal port; a step of performing recomputation to enable the PW OAM message to be received and transmitted at a slot position of a new minimal port if the slot position of the minimal port is changed when a service board needs to perform board drawing; and a step of performing recomputation to enable the PW OAM message is received and transmitted at a slot position of the minimal port after a pull-out service board completes board insertion. According to the invention, the PW OAM message still can be received and transmitted after the minimal member for receiving and transmitting the PW OAM message is deleted, so that the normal transmission of the OAM message is ensured, and the bandwidth of equipment is obviously improved.

Description

Based on OAM moving method and the system of distributed structure/architecture
Technical field
The OAM that the present invention relates in PTN product moves field, is specifically related to a kind of OAM moving method based on distributed structure/architecture and system.
Background technology
For distributed structure/architecture, VPWS (builds on the infrastructure of multi-protocol label switching network, two layers of transparent transmission are at a high speed provided between a pair port of two routers) UNI side (user side) be LAG group (Link Aggregation Group, link aggregation group) member time, as OAM (Operation Administration and Maintenance, operation, management, safeguarding) the LAG group membership at place is when being deleted, needs to delete that the OAM of member moves on other LAG group membership; When the LAG group at OAM place increases newcomer, need OAM(Operation Administration Maintenance) to migrate to new LAG group membership from other member.
But after the LAG member that the index (index) receiving and dispatching OAM message in LAG group is minimum is cut, OAM message cannot normally send, and circuit can produce alarm, and then triggers improper pretection switch, have impact on user and use.
Summary of the invention
For the defect existed in prior art; the object of the present invention is to provide a kind of OAM moving method based on distributed structure/architecture and system; after the least member that the present invention can receive and dispatch PWOAM message in LAG group is deleted; continue transmitting-receiving PW OAM message; the normal transmission of OAM message can not only be ensured; circuit can not produce alarm, also can not trigger improper pretection switch, and significantly improves the bandwidth of equipment.
For reaching above object, the OAM moving method based on distributed structure/architecture provided by the invention, comprises the following steps:
S1: all business single-decks normal in place time, OAM module on all business single-decks receives OAM configuration; The user side uni interface of all business single-decks of OAM module polls, judges that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, forwards step S2 to;
S2:OAM module sets up identical PW OAM message on the slot at the port place of all LAG members, and OAM module calculates and the slot at enable minimum port place transmitting-receiving PW OAM message, forwards step S3 to;
S3: when business single-deck needs to carry out driver chuck operation, the amendment of OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be driver chuck operation; When the slot at the minimum port place that OAM module calculates in step S2 changes, forward step S4 to;
S4:OAM module recalculates the slot at the minimum port place made new advances and after calling PWOAM message up sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, forwards step S5 to;
S5: after the business single-deck be pulled out completes and inserts dish recovery operation, the amendment of OAM module predicts configuration item for operate without driver chuck with the driver chuck plugging business single-deck corresponding groove position; The OAM module of the business single-deck plugged receives OAM configuration again, OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, terminate.
On the basis of technique scheme, judge described in step S1 that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, specifically comprise the following steps: OAM module judges whether the uni interface of each business single-deck is link aggregation group LAG attribute successively, if, then this uni interface is LAG member, forward step S2 to, otherwise do not carry out any operation, terminate.
On the basis of technique scheme, the module of OAM described in step S2 sets up identical PW OAM message on the slot at the port place of all LAG members, specifically comprise the following steps: OAM module sets up identical PW OAM message after inquiring about the slot at port place of all LAG members to application layer module by key assignments on the slot of all inquiries.
On the basis of technique scheme, the amendment of the module of OAM described in step S3 needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be after driver chuck operates, if the slot at the minimum port place in step S2 does not change, then continue through the slot transmitting-receiving PW OAM message at the minimum port place in step S2, terminate.
On the basis of technique scheme, minimum port described in step S2 is the port of the minimum LAG member of index index.
The OAM migratory system based on distributed structure/architecture realizing said method provided by the invention, this system comprises OAM configuration module, OAM message sets up enable module, driver chuck slot computing module, driver chuck OAM message set up enable module and insert dish OAM message sets up enable module;
Described OAM configuration module is used for: all business single-decks normal in place time, control OAM module on all business single-decks and receive OAM configuration; The user side uni interface of all business single-decks of OAM module polls, judges that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, sets up enable module transmission OAM message set up enable signal to OAM message;
Described OAM message set up enable module for: receive after OAM message sets up enable signal, control OAM module sets up identical PW OAM message on the slot at the port place of all LAG members, and OAM module calculates and the slot at enable minimum port place transmitting-receiving PW OAM message;
Described driver chuck slot computing module is used for: when business single-deck needs to carry out driver chuck operation, and the amendment of control OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be driver chuck operation; When the slot that OAM module calculates minimum port place changes, set up enable module to driver chuck OAM message and send driver chuck OAM message and set up enable signal;
Described driver chuck OAM message set up enable module for: receive driver chuck OAM message set up enable signal time, control OAM module recalculate the minimum port place made new advances slot and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place;
Described slotting dish OAM message is set up after enable module completes insert dish recovery operation for: the business single-deck be pulled out, and the amendment of controls OAM module and the driver chuck plugging business single-deck corresponding groove position predict configuration item for operate without driver chuck; The OAM module of the business single-deck plugged receives OAM configuration again, and OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place.
On the basis of technique scheme, when described OAM configuration module judges the uni interface of the business single-deck belonging to link aggregation group LAG attribute as LAG member, control OAM module judges whether the uni interface of each business single-deck is link aggregation group LAG attribute successively, if, then this uni interface is LAG member, set up enable module transmission OAM message to OAM message and set up enable signal, otherwise do not carry out any operation.
On the basis of technique scheme, described OAM message sets up enable module control OAM module when setting up identical PWOAM message on the slot at the port place of all LAG members, OAM module sets up identical PW OAM message after inquiring about the slot at port place of all LAG members to application layer module by key assignments on the slot of all inquiries.
On the basis of technique scheme, described driver chuck slot computing module control OAM module amendment needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be after driver chuck operates, if the slot at minimum port place does not change, then transmitting-receiving PW OAM message is continued in the slot at the minimum port place before controlling.
Compared with prior art, the invention has the advantages that:
When the present invention carries out OAM migration, OAM configuration needs to be issued to all LAG group memberships, and all LAG group memberships can reserve resource for the transmission of PW OAM message.Meanwhile, the present invention only keeps the least member in LAG group to receive and dispatch PW OAM message and the state of all LAG group memberships of dynamic monitoring (such as inserting dish driver chuck), if find, LAG group membership deletes, then to calculate and least member in enable now LAG group receives and dispatches PW OAM message, other LAG member still for OAM reserves resource, but does not does not receive and dispatch PW OAM message.
Therefore; after the least member that the present invention can receive and dispatch PW OAM message in LAG group is deleted; continue transmitting-receiving PW OAM message; ensure the normal transmission of OAM message; not only circuit can not produce alarm, also can not trigger improper pretection switch, ensures the normal use of user; and the present invention adopts distributed structure/architecture (resource being about to transmitting-receiving PW OAM shares multiple business single-deck), significantly improves the bandwidth of equipment.
Accompanying drawing explanation
Fig. 1 is the flow chart of the OAM moving method based on distributed structure/architecture in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, the OAM moving method based on distributed structure/architecture in the embodiment of the present invention, comprises the following steps:
S1: all business single-decks normal in place time, OAM module on all business single-decks receives OAM configuration; UNI (user side) interface of OAM module polls all business single-deck whether uni interface judging each business single-deck is successively LAG attribute, if so, then this uni interface is LAG member, forwards step S2 to, otherwise does not carry out any operation, terminates.
S2:OAM module sets up identical PW (pseudo-line) OAM message by key assignments to the slot at the port place of all LAG members of L2 (application layer) module polls on the slot of all inquiries; OAM module calculates and the slot at enable minimum port (port of the LAG member that index is minimum) place transmitting-receiving PW OAM message, forwards step S3 to.
S3: when business single-deck needs to carry out driver chuck operation, the amendment of OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be after driver chuck operation, whether the slot calculating the minimum port place in step S2 changes, if, forward step S4 to, otherwise continue through the slot transmitting-receiving PW OAM message at the minimum port place in step S2, terminate.
S4:OAM module recalculates the slot at the minimum port place made new advances and after calling PWOAM message up sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, forwards step S5 to.
When the business single-deck be pulled out carries out inserting dish recovery operation, can not produce new minimum port because single-deck powers on, therefore OAM module attonity is implemented.
S5: after the business single-deck be pulled out completes and inserts dish recovery operation, the amendment of OAM module predicts configuration item for operate without driver chuck with the driver chuck plugging business single-deck corresponding groove position; The OAM module of the business single-deck plugged receives OAM configuration again, OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, terminate.
The OAM migratory system based on distributed structure/architecture realizing said method in the embodiment of the present invention, comprises OAM configuration module, OAM message sets up enable module, driver chuck slot computing module, driver chuck OAM message set up enable module and slotting dish OAM message sets up enable module.
Described OAM configuration module is used for: all business single-decks normal in place time, control OAM module on all business single-decks and receive OAM configuration; The user side uni interface of all business single-decks of OAM module polls, judges that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, sets up enable module transmission OAM message set up enable signal to OAM message.
Described OAM message set up enable module for: receive after OAM message sets up enable signal, control OAM module sets up identical PW OAM message on the slot at the port place of all LAG members, and OAM module calculates and the slot at enable minimum port place transmitting-receiving PW OAM message.
Described driver chuck slot computing module is used for: when business single-deck needs to carry out driver chuck operation, and the amendment of control OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be driver chuck operation; When the slot that OAM module calculates minimum port place changes, set up enable module to driver chuck OAM message and send driver chuck OAM message and set up enable signal.
Described driver chuck OAM message set up enable module for: receive driver chuck OAM message set up enable signal time, control OAM module recalculate the minimum port place made new advances slot and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place.
Described slotting dish OAM message is set up after enable module completes insert dish recovery operation for: the business single-deck be pulled out, and the amendment of controls OAM module and the driver chuck plugging business single-deck corresponding groove position predict configuration item for operate without driver chuck; The OAM module of the business single-deck plugged receives OAM configuration again, and OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place.
The present invention is not limited to above-mentioned execution mode, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.

Claims (9)

1., based on an OAM moving method for distributed structure/architecture, it is characterized in that, comprise the following steps:
S1: all business single-decks normal in place time, OAM module on all business single-decks receives OAM configuration; The user side uni interface of all business single-decks of OAM module polls, judges that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, forwards step S2 to;
S2:OAM module sets up identical PW OAM message on the slot at the port place of all LAG members, and OAM module calculates and the slot at enable minimum port place transmitting-receiving PW OAM message, forwards step S3 to;
S3: when business single-deck needs to carry out driver chuck operation, the amendment of OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be driver chuck operation; When the slot at the minimum port place that OAM module calculates in step S2 changes, forward step S4 to;
S4:OAM module recalculates the slot at the minimum port place made new advances and after calling PWOAM message up sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, forwards step S5 to;
S5: after the business single-deck be pulled out completes and inserts dish recovery operation, the amendment of OAM module predicts configuration item for operate without driver chuck with the driver chuck plugging business single-deck corresponding groove position; The OAM module of the business single-deck plugged receives OAM configuration again, OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place, terminate.
2. as claimed in claim 1 based on the OAM moving method of distributed structure/architecture, it is characterized in that: judge to belong to the uni interface of the business single-deck of link aggregation group LAG attribute described in step S1 as LAG member, specifically comprise the following steps: OAM module judges whether the uni interface of each business single-deck is link aggregation group LAG attribute successively, if, then this uni interface is LAG member, forward step S2 to, otherwise do not carry out any operation, terminate.
3. as claimed in claim 1 based on the OAM moving method of distributed structure/architecture, it is characterized in that: the module of OAM described in step S2 sets up identical PW OAM message on the slot at the port place of all LAG members, specifically comprise the following steps: OAM module sets up identical PW OAM message after inquiring about the slot at port place of all LAG members to application layer module by key assignments on the slot of all inquiries.
4. as claimed in claim 1 based on the OAM moving method of distributed structure/architecture, it is characterized in that: the driver chuck advance notice configuration item of the corresponding slot of the business single-deck that the module of OAM described in step S3 amendment needs are pulled out is after driver chuck operates, if the slot at the minimum port place in step S2 does not change, then continue through the slot transmitting-receiving PW OAM message at the minimum port place in step S2, terminate.
5. the OAM moving method based on distributed structure/architecture as described in any one of Claims 1-4, is characterized in that: minimum port described in step S2 is the port of the minimum LAG member of index index.
6. realize the OAM migratory system based on distributed structure/architecture of method described in any one of claim 1 to 5, it is characterized in that: this system comprises OAM configuration module, OAM message sets up enable module, driver chuck slot computing module, driver chuck OAM message set up enable module and insert dish OAM message sets up enable module;
Described OAM configuration module is used for: all business single-decks normal in place time, control OAM module on all business single-decks and receive OAM configuration; The user side uni interface of all business single-decks of OAM module polls, judges that the uni interface of the business single-deck belonging to link aggregation group LAG attribute is as LAG member, sets up enable module transmission OAM message set up enable signal to OAM message;
Described OAM message set up enable module for: receive after OAM message sets up enable signal, control OAM module sets up identical PW OAM message on the slot at the port place of all LAG members, and OAM module calculates and the slot at enable minimum port place transmitting-receiving PW OAM message;
Described driver chuck slot computing module is used for: when business single-deck needs to carry out driver chuck operation, and the amendment of control OAM module needs the driver chuck of the corresponding slot of the business single-deck be pulled out advance notice configuration item to be driver chuck operation; When the slot that OAM module calculates minimum port place changes, set up enable module to driver chuck OAM message and send driver chuck OAM message and set up enable signal;
Described driver chuck OAM message set up enable module for: receive driver chuck OAM message set up enable signal time, control OAM module recalculate the minimum port place made new advances slot and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place;
Described slotting dish OAM message is set up after enable module completes insert dish recovery operation for: the business single-deck be pulled out, and the amendment of controls OAM module and the driver chuck plugging business single-deck corresponding groove position predict configuration item for operate without driver chuck; The OAM module of the business single-deck plugged receives OAM configuration again, and OAM module calculates the slot at the minimum port place made new advances again, and after calling PW OAM message sending slot option interface, by the slot transmitting-receiving PW OAM message at new minimum port place.
7. as claimed in claim 6 based on the OAM migratory system of distributed structure/architecture, it is characterized in that: when the uni interface that described OAM configuration module judges to belong to the business single-deck of link aggregation group LAG attribute is as LAG member, control OAM module judges whether the uni interface of each business single-deck is link aggregation group LAG attribute successively, if, then this uni interface is LAG member, set up enable module transmission OAM message to OAM message and set up enable signal, otherwise do not carry out any operation.
8. as claimed in claim 6 based on the OAM migratory system of distributed structure/architecture, it is characterized in that: described OAM message sets up enable module control OAM module when setting up identical PW OAM message on the slot at the port place of all LAG members, OAM module sets up identical PW OAM message after inquiring about the slot at port place of all LAG members to application layer module by key assignments on the slot of all inquiries.
9. as claimed in claim 6 based on the OAM migratory system of distributed structure/architecture, it is characterized in that: the driver chuck advance notice configuration item of the corresponding slot of the business single-deck that described driver chuck slot computing module control OAM module amendment needs are pulled out is after driver chuck operates, if the slot at minimum port place does not change, then transmitting-receiving PW OAM message is continued in the slot at the minimum port place before controlling.
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