CN104094568B

CN104094568B - A kind of method of Message Processing, equipment and system

Info

Publication number: CN104094568B
Application number: CN201380002445.7A
Authority: CN
Inventors: 饶国义
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-11-29
Filing date: 2013-11-29
Publication date: 2017-07-21
Anticipated expiration: 2033-11-29
Also published as: WO2015078002A1; CN104094568A

Abstract

A kind of method for Message Processing that the present invention is provided, methods described receives the reception message that customer edge devices CE is sent to Centralized Controller by provider edge PE；PE is searched in the cache list for receiving message according to the type of message and service identification that receive in message and is received message；In the case where PE does not find reception message, PE is sent to Centralized Controller by message is received；In the case where PE finds reception message, the data content of the reception message stored in the cache list that PE will receive the data content of message and find is compared；If the data content and the data content of the reception message of storage that receive message are differed, PE is sent to Centralized Controller by message is received.By the local processing to periodically refresh message of each network element, processing of the Centralized Controller to refresh message is reduced, so as to improve the CPU usage of Centralized Controller, the network size of Centralized Controller control is improved.

Description

A kind of method of Message Processing, equipment and system

Technical field

The present invention relates to the communications field, more particularly to a kind of method of Message Processing, equipment and system.

Background technology

When router device networks spans transmit network, need to carry out multi-protocols mark between router device and transmission equipment Label are exchanged（Multiprotocol Label Switching, MPLS）, Border Gateway Protocol（Border Gateway Protocol, BGP）Etc. the interaction of agreement, to complete MPLS label switching path（Label Switch Path, LSP）Or 3 layers of virtual proprietary net（Level3Virtual Private Network, L3VPN）The foundation of business.Due to transmission real-time performance Software defined network（Software defined Network, SDN）, transmission equipment will move on to centralized Control in control plane Control function is not present on device, transmission equipment, the protocol message from router is reported Centralized Controller by transmission equipment, by Centralized Controller is handled, then is receiveed the response accordingly by Centralized Controller construction, transmission equipment is handed down to, by transmission equipment It will receive the response and be sent to router.In real network, in order to ensure the reliability for the business that control protocol is set up, if Need to carry out the detection of shaking hands of service protocol, detection message of shaking hands periodically between standby（Also referred to as agreement refresh message）Content All it is constant when business does not change.

If the portfolio between router and transmission equipment is big, transmission network Centralized Controller needs to handle substantial amounts of week The agreement refresh message between router of phase property, the problem of causing has：（1）Substantial amounts of agreement refresh message is handled to occupy The substantial amounts of cpu resource of Centralized Controller, causes Centralized Controller to the reduction of network quick control ability；（2）Substantial amounts of transmission net Network equipment all carries out interacting for agreement refresh message with Centralized Controller periodically, occupies Centralized Controller and is set with transmission network Substantial amounts of control passage bandwidth between standby, reduces control ability of the Centralized Controller to transmission equipment.

The content of the invention

The embodiments of the invention provide a kind of method of Message Processing, equipment and system, it is intended to which solving Centralized Controller needs The problem of handling substantial amounts of periodic refresh message.

In a first aspect, a kind of method of Message Processing, methods described includes：

Provider edge PE receives the reception message that customer edge devices CE is sent to Centralized Controller；

Type of messages and service identification of the PE in the reception message are looked into the cache list for receiving message Look for the reception message；

In the case where the PE does not find the reception message, the reception message is sent to the collection by the PE Middle controller；

In the case where the PE finds the reception message, the PE is by the data content of the reception message and looks into The data content of the reception message stored in the cache list found is compared；

If the data content for receiving message and the data content of the reception message of the storage are differed, the PE The reception message is sent to the Centralized Controller.

With reference in a first aspect, in the first possible implementation of first aspect, methods described is in the PE by institute Reception message is stated to be sent to after the Centralized Controller, in addition to：

The PE receives the first message that the Centralized Controller is sent, the first message at least include caching type and The reception message；

According to the type of message and service identification in the reception message, in the corresponding cache list of the caching type Search the reception message；

If not finding the reception message in the corresponding cache list of the caching type, the PE connects according to Receive type of message and service identification in message and create the cache list for receiving message；

The data content of the reception message is added in the cache list of the reception message by the PE；

Wherein, the caching type is used to indicate that the first message carries the reception message.

With reference to the first possible implementation of first aspect, in second of possible implementation of first aspect In, methods described also includes：

If finding the reception message in the corresponding cache list of the caching type, the PE disappears the reception The data content of breath is updated into the cache list of the reception message.

With reference to second of possible implementation of the first possible implementation or first aspect of first aspect, In the third possible implementation of first aspect, the first message also receives the reception message including the PE Interface identifier, the reception cycle times for receiving cycle duration and the reception message of the reception message.

A kind of second aspect, method of Message Processing, methods described includes：

Provider edge PE receives the first message that Centralized Controller is sent, and the first message at least includes caching Type and transmission message；

According to the type of message and service identification in the transmission message, in the corresponding cache list of the caching type Search the transmission message；

If not finding the transmission message in the corresponding cache list of the caching type, the PE is according to the hair Type of message and service identification in message is sent to create the cache list for sending message；

The data content of the transmission message is added in the cache list of the transmission message by the PE；

The transmission message is sent to reception customer edge devices by the PE according to the cache list of the transmission message CE；

Wherein, the caching type is used to indicate that the first message carries the transmission message, and the transmission message is The message that the Centralized Controller is sent to the CE.

With reference to second aspect, in the first possible implementation of second aspect, methods described also includes：

If finding the transmission message in the corresponding cache list of the caching type, the PE disappears the transmission The data content of breath is updated into the cache list of the transmission message.

With reference to the first possible implementation of second aspect or second aspect, second in second aspect may Implementation in, the first message also include send it is described send message interface identifier and the transmission message transmission Cycle；

The transmission message is sent to reception customer edge devices by the PE according to the cache list of the transmission message CE, is specifically included：

The PE according to it is described transmission message cache list, by it is described transmission message it is described transmission message interface with The transmission cycle is sent to reception customer edge devices CE.

A kind of third aspect, method of Message Processing, methods described includes：

Centralized Controller determines to send message or receives whether message is periodic refresh message；

If so, then the Centralized Controller sends first message to provider edge PE, the first message is at least Including caching type and message content；The message content is the reception message or the transmission message；

Wherein, the caching type is used to indicate that the first message carries the reception message or the transmission disappears Breath, the message that receives is the message that the customer edge devices CE that the PE is received is sent to the Centralized Controller, the hair It is the message that the Centralized Controller is sent to the CE to send message.

With reference to the third aspect, in the first possible implementation of the third aspect, methods described concentrates control described Before device processed determines whether receive message is periodic refresh message, in addition to：

The Centralized Controller receives the reception message that the PE is sent.

With reference to the first possible implementation of the third aspect or the third aspect, second in the third aspect may Implementation in, the message content of the first message at least include the PE receive the interface identifier for receiving message, Reception cycle duration, the reception cycle times of the reception message and the reception message for receiving message；Or,

The message content of the first message at least includes the PE and sends interface identifier, the hair for sending message Send the transmission cycle of message and the transmission message.

Second with reference to the first possible implementation or the third aspect of the third aspect or the third aspect can The implementation of energy, in the third possible implementation of the third aspect, the first message also includes：

First mark, described first identifies for indicating that the PE creates the slow of the message that the new first message is carried Deposit the cache list that the message that the first message created is carried either is deleted in list.

A kind of fourth aspect, equipment, the equipment includes：

First receiving unit, for receiving the reception message that customer edge devices CE is sent to Centralized Controller；

First searching unit, the slow of message is being received for the type of message and service identification in the reception message Deposit and the reception message is searched in list, the first lookup result is sent to transmitting element and comparing unit；

Transmitting element, will be described in the case of not finding the reception message in first lookup result Receive message and be sent to the Centralized Controller；If being additionally operable to comparative result for the data content of the reception message and described depositing When the data content of the reception message of storage is differed, the reception message is sent to the Centralized Controller；

Comparing unit, in the case of the reception message is found in first lookup result, connects described The data content for receiving message and the data content of the reception message stored in the cache list found are compared, by institute State comparative result and be sent to transmitting element.

With reference to fourth aspect, in the first possible implementation of fourth aspect, the equipment also includes：

Second receiving unit, for receiving the first message that the Centralized Controller is sent, the first message is at least wrapped Include caching type and the reception message；

Second searching unit, for the type of message and service identification in the reception message, in the cache class The reception message is searched in the corresponding cache list of type, the second lookup result is sent to creating unit；

Creating unit, if being not searched in the corresponding cache list of the caching type for second lookup result To the reception message, type of message and service identification in the reception message create the caching for receiving message and arranged Table；In the cache list that the data content of the reception message is added to the reception message；

With reference to the first possible implementation of fourth aspect, in second of possible implementation of fourth aspect In, the equipment also includes：

Second searching unit, is additionally operable to the second lookup result being sent to updating block；

Updating block, if being to be found in the corresponding cache list of the caching type for second lookup result The reception message, the data content of the reception message is updated into the cache list of the reception message.

With reference to second of possible implementation of the first possible implementation or fourth aspect of fourth aspect, In the third possible implementation of fourth aspect, the first message also receives the reception message including this equipment Interface identifier, the reception cycle times for receiving cycle duration and the reception message of the reception message.

A kind of 5th aspect, equipment, the equipment includes：

Receiving unit, the first message for receiving Centralized Controller transmission, the first message at least includes cache class Type and transmission message；

Searching unit, for the type of message and service identification in the transmission message, in the caching type pair The transmission message is searched in the cache list answered, the 3rd lookup result is sent to creating unit；

Creating unit, if being not searched in the corresponding cache list of the caching type for the 3rd lookup result To the transmission message, type of message and service identification in the transmission message create the caching for sending message and arranged Table；In the cache list that the data content of the transmission message is added to the transmission message；

Transmitting element, reception client side is sent to for the cache list according to the transmission message by the transmission message Edge equipment CE；

With reference to the 5th aspect, in the first possible implementation of the 5th aspect, the equipment also includes：

Searching unit, is additionally operable to the 3rd lookup result being sent to updating block；

Updating block, if being to be found in the corresponding cache list of the caching type for the 3rd lookup result The transmission message, the data content of the transmission message is updated into the cache list of the transmission message.

With reference to the 5th aspect or the first possible implementation of the 5th aspect, second at the 5th aspect may Implementation in, the first message also include send it is described send message interface identifier and the transmission message transmission Cycle；

The transmitting element, specifically for：

According to the cache list of the transmission message, by the transmission message in the interface for sending message with the hair The cycle is sent to be sent to reception customer edge devices CE.

A kind of 6th aspect, Centralized Controller, the Centralized Controller includes：

Determining unit, for determining to send message or receiving whether message is periodic refresh message；

Transmitting element, if determining that it is that periodic refresh disappears to send message or receive message for the determining unit Breath, then send first message to provider edge PE, and the first message at least includes caching type and message content；Institute It is the reception message or the transmission message to state message content；

With reference to the 6th aspect, in the first possible implementation of the 6th aspect, the Centralized Controller also includes：

Receiving unit, for receiving the reception message that the PE is sent.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, second at the 6th aspect may Implementation in, the message content of the first message at least include the PE receive the interface identifier for receiving message, Reception cycle duration, the reception cycle times of the reception message and the reception message for receiving message；Or,

Second with reference to the first possible implementation or the 6th aspect of the 6th aspect or the 6th aspect can The implementation of energy, in the third possible implementation of the 6th aspect, the first message also includes：

A kind of 7th aspect, system of Message Processing, the system includes：The first of fourth aspect, fourth aspect can Can implementation, second of possible implementation or the third possible implementation any one of equipment and the Six aspects, the first possible implementation of the 6th aspect, second of possible implementation or the third possible realization Centralized Controller any one of mode, and customer edge devices CE；

The CE is used to send the reception message to the Centralized Controller.

A kind of eighth aspect, system of Message Processing, the system includes：The first of 5th aspect, the 5th aspect can Can implementation or second of possible any one of implementation described in equipment and the 6th aspect, the 6th aspect the first Concentration control any one of possible implementation, second of possible implementation or the third possible implementation Device processed, and customer edge devices CE；

The CE is used to receive the transmission message.

A kind of method of Message Processing provided in an embodiment of the present invention, methods described is concentrated by each network element local agent to be controlled Processing of the device processed to periodic refresh message, reduce processing of the Centralized Controller to refresh message and Centralized Controller with Communication port bandwidth occupancy between network element, so as to lift Centralized Controller CPU utilization rate, improves the net of Centralized Controller control Network scale.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention；

Fig. 2 is a kind of application scenario diagram of Message Processing provided in an embodiment of the present invention；

Fig. 3 is a kind of method schematic diagram of Message Processing provided in an embodiment of the present invention；

Fig. 4 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention；

Fig. 5 is a kind of method schematic diagram of Message Processing provided in an embodiment of the present invention；

Fig. 6 is a kind of method schematic diagram of Message Processing provided in an embodiment of the present invention；

Fig. 7 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention；

Fig. 8 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention；

Fig. 9 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention；

Figure 10 is a kind of structure drawing of device of Centralized Controller provided in an embodiment of the present invention；

Figure 11 is a kind of system construction drawing provided in an embodiment of the present invention；

Figure 12 is a kind of system construction drawing provided in an embodiment of the present invention；

Figure 13 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention；

Figure 14 is a kind of structure drawing of device of Centralized Controller provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

With reference to Fig. 1, Fig. 1 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention.As shown in figure 1, institute The method of stating comprises the following steps：

There is provided business's edge device for step 101（Provider Edge, PE）Receive customer edge devices（Customer Edge, CE）The reception message sent to Centralized Controller；

Step 102, type of messages and service identification of the PE in the reception message are receiving the caching of message The reception message is searched in list；

Specifically, being RSVP when receiving message（Resource Reservation Protocol, RSVP） When PATH message or RSVP RESV message, service identification can for message sink interface, RSVP LSP source end node IP, Destination node IP, Tunnel ID and LSP ID.

The reception message is searched in the cache list of the reception message and is divided into two steps：

Searched according to type of message and service identification and receive message, such as type of message is PATH, is both PATH message pair There are different cache lists in different business；

Find after reception message, then whether more specific data content is consistent.

Step 103, in the case where the PE does not find the reception message, the PE sends the reception message To the Centralized Controller；

Step 104, the PE find it is described reception message in the case of, the PE by it is described reception message data The data content of the reception message stored in content and the cache list found is compared；

Step 105, if the data content for receiving message and the data content of the reception message of the storage are differed When, the reception message is sent to the Centralized Controller by the PE.

Alternatively, the reception message is sent to after the Centralized Controller by methods described in the PE, in addition to：

Alternatively, methods described also includes：

Alternatively, the first message also receives the interface identifier of the reception message, the reception including the PE The reception cycle times for receiving cycle duration and the reception message of message.

Fig. 2 is a kind of application scenario diagram of Message Processing provided in an embodiment of the present invention, and Controller is centralized Control Device, PE1 and PE2 are provider edge, and CE1 and CE2 are customer edge devices.

In the present embodiment, the PE1 receives the reception message that the CE1 is sent, by the reception message received The order caching list created is compared, will if the reception message is stored not in the order caching list The reception message is sent to the Centralized Controller, if the reception message is stored in the order caching list, no The forwarding reception message is to the Centralized Controller.

Specifically, with reference to Fig. 3, Fig. 3 is a kind of method schematic diagram of Message Processing provided in an embodiment of the present invention, to receive Message is exemplified by RSVP protocol message.

Step 301, PE1 receives the RSVP protocol message that CE1 is sended over, and PE1 will receive RSVP protocol message work Newly to enter in message payload, the Packet_IN message for being encapsulated into an OpenFlow agreement, Packet_IN message is passed through by PE1 It is sent to Centralized Controller；

Step 302, the Centralized Controller Controller is received after the Packet_IN message of PE1 transmissions, from The message payload carried in PE1 mark, and Packet_IN message is parsed in Packet_IN message.The centralized Control The message payload carried in device analysis Packet_IN message, checks message protocol type, is defined as RSVP protocol message, described Centralized Controller is handled RSVP protocol message, and it is periodic RSVP PATH or RSVP to determine RSVP protocol message RESV refresh messages；PE1 interface identifier ID, RSVP protocol message are obtained in the Centralized Controller Packet_IN message Receive the data content of cycle duration, the reception cycle times of RSVP protocol message and the Packet_IN message（That is RSVP is assisted Discuss message）；

Step 303, the Centralized Controller sends the addition message for creating the cache list for receiving message to PE1, When carrying RSVP protocol type of message, PE1 interface identifier, the reception cycle of RSVP protocol message in the addition message The data content of long, the reception cycle times of RSVP protocol message and the Packet_IN message；

Step 304, PE1 receives the cache list of message according to the addition message establishing.

The embodiment of the present invention provides a kind of method of Message Processing, and methods described passes through each network element local agent centralized Control Processing of the device to periodic refresh message, reduce network element by all kinds of protocol messages all on be sent to the Centralized Controller and handle Flow, so as to reduce processing of the Centralized Controller to refresh message；Reduce agreement between Centralized Controller and each network element The interaction process of message, reduces the occupancy of communication port bandwidth between controller and network element；Because Centralized Controller is to refreshing The reduction of protocol message processing, improves Centralized Controller CPU utilization rate, and communicates logical between Centralized Controller and network element The reduction of road bandwidth occupancy so that Centralized Controller is bigger to the magnitude control of network element, can control more network element devices.

With reference to Fig. 4, Fig. 4 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention.As shown in figure 4, institute The method of stating comprises the following steps：

Step 401 receives the first message that Centralized Controller is sent there is provided business's edge device PE, and the first message is at least Including caching type and transmission message；

Step 402, the type of message and service identification in the transmission message, it is corresponding slow in the caching type Deposit and the transmission message is searched in list；

Specifically, when it is RSVP PATH message or RSVP RESV message to send message, service identification can be to disappear Cease receiving interface, RSVP LSP source end node IP, destination node IP, Tunnel ID and LSP ID.

The transmission message is searched in the cache list of the transmission message and is divided into two steps：

Searched according to type of message and service identification and send message, such as type of message is PATH, is both PATH message pair There are different cache lists in different business；

Find after transmission message, then whether more specific data content is consistent.

Step 403, if not finding the transmission message, the PE roots in the corresponding cache list of the caching type The cache list for sending message is created according to the type of message and service identification in the transmission message；

Step 404, the data content of the transmission message is added in the cache list of the transmission message by the PE；

Step 405, the transmission message is sent to reception client by the PE according to the cache list of the transmission message Edge device CE；

Alternatively, methods described also includes：

Alternatively, the first message also includes sending interface identifier, the hair of the transmission message for sending message Send the cycle；

The transmission message is sent the transmission message by the PE according to the cache list of the transmission message described Interface reception customer edge devices CE is sent to the transmission cycle.

In the present embodiment, Centralized Controller sends the message for specifying message caching to PE1, and PE1 is according to the centralized Control The order caching list of message or the transmission cache list of the specified message are specified described in the message establishing that device is sent, it is described PE1 periodically sends the specified message according to the transmission cache list of the specified message created to the CE1.

Fig. 5 and Fig. 6 are a kind of method schematic diagrams of Message Processing provided in an embodiment of the present invention.As shown in Figure 5 and Figure 6, MPLS TE LSP service of the Centralized Controller based on foundation is, it is necessary to periodically send RSVP protocol refresh message to CE1；Institute State Centralized Controller and be based on local LSP data, construct RSVP PATH or RSVP a RESV refresh message data, and be based on LSP data, determine transmission interface index, the transmission cycle duration of RSVP protocol message of RSVP protocol message.

Step 501, the Centralized Controller sends the cache list of an establishment transmission message to LSP edge PE1 Message is added, the message that the addition message newly can be defined or newly extended for one of OpenFlow disappears in the addition Caching type and RSVP protocol message are carried in breath, RSVP protocol message includes the RSVP protocol type of message（RSVP PATH Or RSVP RESV）And service identification.Addition message can also carry transmission interface index and the RSVP associations of RSVP protocol message Discuss the transmission cycle duration of message；Addition message can also be used as using OpenFlow Packet_Out message.

Step 502, the PE1 sends the cache list of message according to the addition message establishing.

PE1 is sent after the cache list of message according to the addition message establishing, and alternatively, this method can also be wrapped Include：

Step 503, PE1 local timers task finds that caching sends the caching in messaging list and sends information node timing Device time-out；PE1, which obtains caching and sends the caching that preserves in information node, sends message content, such as RSVP PATH message or RSVP RESV message, the transmission interface set in information node is sent according to caching and is identified, and is found corresponding specified transmission and is connect Mouthful, the caching of preservation is sent into message content RSVPPATH or RSVP RESV and sent；

Step 504, the timer that the caching sends information node is resetted and reset by PE1.

The embodiment of the present invention provides a kind of method of Message Processing, and methods described is complete by by each network element agent controller Into the protocol interaction of phase property.By the local processing to periodic refresh message of each network element, network element is reduced by all kinds of agreements Message all on be sent to the flow of Centralized Controller processing, so as to reduce processing of the Centralized Controller to refresh message, subtract Lack the interaction process of protocol message between Centralized Controller and each network element, reduce communication port band between controller and network element Wide occupancy；Because Centralized Controller is to refreshing the reduction that protocol message is handled, Centralized Controller CPU utilization rate is improved, And between Centralized Controller and network element communication port bandwidth occupancy reduction so that magnitude control of the Centralized Controller to network element It is bigger, more network element devices can be controlled.

With reference to Fig. 7, Fig. 7 is a kind of method flow diagram of Message Processing provided in an embodiment of the present invention.As shown in fig. 7, institute The method of stating comprises the following steps：

Step 701, Centralized Controller determines to send message or receives whether message is periodic refresh message；

Alternatively, methods described the Centralized Controller determine receive message whether be periodic refresh message it Before, in addition to：

The Centralized Controller receives the reception message that the PE is sent.

Step 702, if so, then the Centralized Controller sends first message, described first to provider edge PE Message at least includes caching type and message content；The message content is the reception message or the transmission message；

Specifically, the message content of the first message, which at least includes the PE, receives the interface mark for receiving message Knowledge, reception cycle duration, the reception cycle times of the reception message and the reception message for receiving message；Or,

Specifically, as shown in Fig. 2 Centralized Controller sends the message for specifying message caching to PE1, PE1 is according to the collection The order caching list of message or the transmission caching row of the specified message are specified described in the message establishing that middle controller is sent Table；When the PE1 receives the reception message that the CE1 is sent, the PE1 is by the reception message received and has created The order caching list built is compared, if the reception message is stored not in the order caching list, is connect described Receive message and be sent to the Centralized Controller, if the reception message is stored in the order caching list, institute is not forwarded Reception message is stated to the Centralized Controller.The PE1 is regular according to the transmission cache list of the specified message created The specified message is sent to the CE1.

Alternatively, the first message also includes：

Specifically, the Centralized Controller Controller can send addition message to the PE1, or to described PE1, which is sent, deletes message, you can to indicate that the PE1 creates the reception for specifying message or the cache list for sending message, It can indicate that the PE1 deletes the cache list of the reception of the specified message created or transmission message.

The embodiment of the present invention provides a kind of method of Message Processing, and methods described will be corresponding by the Centralized Controller The message of periodic fixed news form is handed down to each network element, by each network element agent controller, completes the protocol interaction of phase property, The periodicity sent including the outside portion's equipment of processing and this network element for receiving the periodic refresh message that external equipment is sent Refresh message.By the local processing to periodic refresh message of each network element, network element is reduced by all kinds of protocol messages all On be sent to the flow of Centralized Controller processing, so as to reduce processing of the Centralized Controller to refresh message, reduce collection The interaction process of protocol message between middle controller and each network element, reduces accounting for for communication port bandwidth between controller and network element With；Because Centralized Controller is to refreshing the reduction that protocol message is handled, Centralized Controller CPU utilization rate, Yi Jiji are improved The reduction of communication port bandwidth occupancy between middle controller and network element so that Centralized Controller is bigger to the magnitude control of network element, More network element devices can be controlled.

With reference to Fig. 8, Fig. 8 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention.As shown in figure 8, described set It is standby to include with lower unit：

First receiving unit 801, for receiving the reception message that customer edge devices CE is sent to Centralized Controller；

First searching unit 802, message is being received for the type of message and service identification in the reception message Cache list in search the reception message, the first lookup result is sent to transmitting element 803 and comparing unit 804；

Specifically, being RSVP when receiving message（Resource Reservation Protocol, RSVP） During PATH or RSVP RESV, service identification can be message sink interface, RSVP LSP source end node IP, purpose end segment Point IP, Tunnel ID and LSP ID.

Searched according to type of message and service identification and receive message, such as type of message is PATH message, is both that PATH disappears Breath has different cache lists for different business；

Transmitting element 803, in the case of not finding the reception message in first lookup result, by institute State reception message and be sent to the Centralized Controller；If it is the data content for receiving message and described to be additionally operable to comparative result When the data content of the reception message of storage is differed, the reception message is sent to the Centralized Controller；

Comparing unit 804, will be described in the case of the reception message is found in first lookup result The data content for receiving message and the data content of the reception message stored in the cache list found are compared, will The comparative result is sent to transmitting element 803.

Alternatively, the equipment also includes：

Alternatively, the first message also receives the interface identifier of the reception message, the reception including this equipment The reception cycle times for receiving cycle duration and the reception message of message.

Specifically, with reference to Fig. 3 description, will not be repeated here.

With reference to Fig. 9, Fig. 9 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention.As shown in figure 9, described set Including with lower unit：

Receiving unit 901, the first message for receiving Centralized Controller transmission, the first message at least includes caching Type and transmission message；

Searching unit 902, for the type of message and service identification in the transmission message, in the caching type The transmission message is searched in corresponding cache list, the 3rd lookup result is sent to creating unit 903；

Specifically, being RSVP when sending message（Resource Reservation Protocol, RSVP） During PATH or RSVP RESV message, service identification can be message sink interface, RSVP LSP source end node IP, purpose End node IP, Tunnel ID and LSP ID.

Creating unit 903, if for the 3rd lookup result be in the corresponding cache list of the caching type not The transmission message is found, the type of message and service identification in the transmission message create the slow of the transmission message Deposit list；In the cache list that the data content of the transmission message is added to the transmission message；

Transmitting element 904, reception visitor is sent to for the cache list according to the transmission message by the transmission message Family edge device CE；

Alternatively, the equipment also includes：

Alternatively, the first message also includes the hair for sending the interface identifier and the transmission message for sending message Send the cycle；

The transmitting element, specifically for：

Specifically, with reference to Fig. 5 and Fig. 6 description, will not be repeated here.

The above embodiment of the present invention provides a kind of equipment, and the proxy for equipment controller completes the protocol interaction of phase property, bag It is periodic that the processing and the outside portion's equipment of this network element for including the periodic refresh message for receiving external equipment transmission are sent Refresh message.By the local processing to periodic refresh message of each network element, reduce network element by all kinds of protocol messages all on The flow of the Centralized Controller processing is sent to, the interaction process of protocol message between Centralized Controller and each network element is reduced, Reduce the occupancy of communication port bandwidth between controller and network element；Because Centralized Controller subtracts to refreshing protocol message processing It is few, improve Centralized Controller CPU utilization rate, and communication port bandwidth occupancy subtracts between Centralized Controller and network element It is few so that Centralized Controller is bigger to the magnitude control of network element, can control more network element devices.

With reference to Figure 10, Figure 10 is a kind of structure drawing of device of Centralized Controller provided in an embodiment of the present invention.Such as Figure 10 institutes Show, the Centralized Controller is included with lower unit：

Determining unit 1001, for determining to send message or receiving whether message is periodic refresh message；

Transmitting element 1002, if determining that it is periodic refresh to send message or receive message for the determining unit Message, then send first message to provider edge PE, and the first message at least includes caching type and message content； The message content is the reception message or the transmission message；

Alternatively, the Centralized Controller also includes：

Receiving unit, for receiving the reception message that the PE is sent.

Specifically, with reference to Fig. 2 description, will not be repeated here.

Alternatively, the first message also includes：

The embodiment of the present invention provides a kind of Centralized Controller, and the Centralized Controller will periodic fixed news accordingly The message of form is handed down to each network element, by each network element agent controller, completes the protocol interaction of phase property, including receive external equipment The periodic refresh message that the processing of the periodic refresh message sent and the outside portion's equipment of this network element are sent.By each The local processing to periodically refresh message of network element, so as to reduce processing of the Centralized Controller to refreshing protocol message, subtracts Lack the interaction process of protocol message between Centralized Controller and each network element, reduce communication port band between controller and network element Wide occupancy；Because Centralized Controller is to refreshing the reduction that protocol message is handled, Centralized Controller CPU utilization rate is improved, And between Centralized Controller and network element communication port bandwidth occupancy reduction so that magnitude control of the Centralized Controller to network element It is bigger, more network element devices can be controlled.

Figure 13 is a kind of structure drawing of device of equipment provided in an embodiment of the present invention.With reference to Figure 13, Figure 13 is of the invention real A kind of equipment 1300 of example offer is applied, the specific embodiment of the invention is not limited implementing for the equipment.It is described to set Standby 1300 include：

Processor (processor) 1301, communication interface (Communications Interface) 1302, memory (memory) 1303, bus 1304.

Processor 1301, communication interface 1302, memory 1303 completes mutual communication by bus 1304.

Communication interface 1302, for being communicated with other equipment；

Processor 1301, for configuration processor.

Specifically, program can include program code, and described program code includes computer-managed instruction.

Processor 1301 is probably a central processing unit（Central processing unit, CPU）, or it is special Determine integrated circuit ASIC（Application Specific Integrated Circuit）, or be arranged to implement this One or more integrated circuits of inventive embodiments.

Memory 1303, for storage program.Memory 1303 can be volatile memory（volatile memory）, such as random access memory（Random-access memory, RAM）, or nonvolatile memory（non- volatile memory）, such as read-only storage（Read-only memory, ROM）, flash memory（flash memory）, hard disk（Hard disk drive, HDD）Or solid state hard disc（Solid-state drive, SSD）.Processor 1301 The programmed instruction stored according to memory 1303, performs following methods：

The reception message is sent to after the Centralized Controller by methods described in the PE, in addition to：

Methods described also includes：

The first message also includes the PE and receives the reception interface identifier of message, the reception message connecing Receive the reception cycle times of cycle duration and the reception message.

The programmed instruction that processor 1301 is stored according to memory 1303, can also perform following methods：

Methods described also includes：

The first message also includes sending the interface identifier for sending message, the transmission cycle of the transmission message；

The embodiment of the present invention provides a kind of equipment, and the proxy for equipment controller completes the protocol interaction of phase property, including connects The periodic refreshing that the processing and the outside portion's equipment of this network element for receiving the periodic refresh message that external equipment is sent are sent Message.By the local processing to periodically refresh message of each network element, reduce network element by all kinds of protocol messages all on be sent to The flow of the Centralized Controller processing, so as to reduce processing of the Centralized Controller to refreshing protocol message, reduces concentration The CPU usage of controller；The interaction process of protocol message between Centralized Controller and each network element is reduced, controller is reduced The occupancy of communication port bandwidth between network element；Because Centralized Controller is to refreshing the reduction that protocol message is handled, collection is improved Middle controller CPU utilization rate, and between Centralized Controller and network element communication port bandwidth occupancy reduction so that concentrate control Device processed is bigger to the magnitude control of network element, can control more network element devices.

Figure 14 is a kind of structure drawing of device of Centralized Controller provided in an embodiment of the present invention.With reference to Figure 14, Figure 14 is this A kind of Centralized Controller 1400 that inventive embodiments are provided, the specific embodiment of the invention is not to the specific of the Centralized Controller Realization is limited.The Centralized Controller 1400 includes：

Processor (English：Processor) 1401, communication interface (Communications Interface) 1402 is deposited Reservoir (memory) 1403, bus 1404.

Processor 1401, communication interface 1402, memory 1403 completes mutual communication by bus 1404.

Communication interface 1402, for being communicated with other equipment；

Processor 1401, for configuration processor.

Processor 1401 is probably a central processing unit（Central processing unit, CPU）, or it is special Determine integrated circuit ASIC（Application Specific Integrated Circuit）, or be arranged to implement this One or more integrated circuits of inventive embodiments.

Memory 1403, for storage program.Memory 1403 can be volatile memory（volatile memory）, such as random access memory（Random-access memory, RAM）, or nonvolatile memory（non- volatile memory）, such as read-only storage（Read-only memory, ROM）, flash memory（flash memory）, hard disk（Hard disk drive, HDD）Or solid state hard disc（Solid-state drive, SSD）.Processor 1401 The programmed instruction stored according to memory 1403, performs following methods：

Methods described is also wrapped before the Centralized Controller determines whether receive message is periodic refresh message Include：

The Centralized Controller receives the reception message that the PE is sent.

The message content of the first message at least includes the PE and receives the interface identifier for receiving message, described connects That receives message receives cycle duration, the reception cycle times of the reception message and the reception message；Or,

The first message also includes：

The embodiment of the present invention provides a kind of Centralized Controller, will periodically be fixed accordingly by the Centralized Controller The message of message format is handed down to each network element, by each network element agent controller, completes the protocol interaction of phase property, including receive outside The periodic refresh message that the processing for the periodic refresh message that equipment is sent and the outside portion's equipment of this network element are sent.It is logical Cross the local processing to periodically refresh message of each network element, reduce network element by all kinds of protocol messages all on be sent to the concentration The flow of controller processing, so as to reduce processing of the Centralized Controller to refreshing protocol message, reduces Centralized Controller CPU usage；Reduce the interaction process of protocol message between Centralized Controller and each network element, reduce controller and network element it Between communication port bandwidth occupancy；Because Centralized Controller is to refreshing the reduction that protocol message is handled, Centralized Controller is improved CPU utilization rate, and between Centralized Controller and network element communication port bandwidth occupancy reduction so that Centralized Controller is to net The magnitude control of member is bigger, can control more network element devices.

The contents such as information exchange, implementation procedure between the equipment in said apparatus embodiment, its internal each unit, due to Same design is based on the inventive method embodiment, particular content can be found in the narration in the inventive method embodiment, herein not Repeat again.

With reference to Figure 11, Figure 11 is a kind of system construction drawing provided in an embodiment of the present invention.The system includes：

The embodiment institute corresponding with Figure 10 of equipment 1102 described in the corresponding embodiment of customer edge devices CE1101, Fig. 8 The Centralized Controller 1103 stated；

CE1101 is used to send the reception message to the Centralized Controller.

With reference to Figure 12, Figure 12 is a kind of system construction drawing provided in an embodiment of the present invention.The system includes：

The embodiment institute corresponding with Figure 10 of equipment 1202 described in the corresponding embodiment of customer edge devices CE1201, Fig. 9 The Centralized Controller 1203 stated；

CE1201 is used to receive the transmission message.

A kind of system provided in an embodiment of the present invention, the system includes：

The concentration described in equipment and the corresponding embodiments of Figure 14 described in the corresponding embodiment of customer edge devices CE, Figure 13 Controller；

CE is used to send the reception message to the Centralized Controller or receives the transmission message.

The contents such as information exchange, implementation procedure between said system embodiment, its internal each equipment, due to the present invention Embodiment of the method and device embodiment are based on same design, and particular content can be found in the inventive method embodiment and device embodiment In narration, here is omitted.

One of ordinary skill in the art will appreciate that realize all or part of step in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access Memory, RAM）Deng.

The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims

1. a kind of method of Message Processing, it is characterised in that methods described includes：

Type of messages and service identification of the PE in the reception message search institute in the cache list for receiving message State reception message；

In the case where the PE does not find the reception message, the reception message is sent to described concentrate and controlled by the PE Device processed；

In the case where the PE finds the reception message, the PE is by the data content of the reception message and finds The cache list in the data content of reception message that stores be compared；

If the data content for receiving message and the data content of reception message of the storage are differed, the PE is by institute State reception message and be sent to the Centralized Controller；

The reception message is periodic refresh message, and the reception message is sent to the collection by methods described in the PE After middle controller, in addition to：

The PE receives the first message that the Centralized Controller is sent, and the first message at least includes caching type and described Receive message；

According to the type of message and service identification in the reception message, searched in the corresponding cache list of the caching type The reception message；

If not finding the reception message in the corresponding cache list of the caching type, the PE disappears according to the reception Type of message and service identification in breath create the cache list for receiving message；

2. according to the method described in claim 1, it is characterised in that methods described also includes：

If finding the reception message in the corresponding cache list of the caching type, the PE is by the reception message Data content is updated into the cache list of the reception message.

3. method according to claim 1 or 2, it is characterised in that the first message also receives institute including the PE State the interface identifier for receiving message, the reception cycle times for receiving cycle duration and the reception message of the reception message.

4. a kind of method of Message Processing, it is characterised in that methods described includes：

Provider edge PE receives the first message that Centralized Controller is sent, and the first message at least includes caching type With transmission message；

According to the type of message and service identification in the transmission message, searched in the corresponding cache list of the caching type The transmission message；

If not finding the transmission message in the corresponding cache list of the caching type, the PE disappears according to the transmission Type of message and service identification in breath create the cache list for sending message；

The transmission message is sent to reception customer edge devices CE by the PE according to the cache list of the transmission message；

Wherein, the caching type is used to indicate that the first message carries the transmission message, and the transmission message is described The message that Centralized Controller is sent to the CE, and the transmission message is periodic refresh message；

The transmission message is sent to reception customer edge devices CE, tool by the PE according to the cache list of the transmission message Body includes：

The transmission message is sent connecing for the transmission message by the PE according to the cache list of the transmission message described Mouth is sent to reception customer edge devices CE with the transmission cycle.

5. method according to claim 4, it is characterised in that methods described also includes：

If finding the transmission message in the corresponding cache list of the caching type, the PE is by the transmission message Data content is updated into the cache list of the transmission message.

6. the method according to claim 4 or 5, it is characterised in that the first message also includes the transmission transmission and disappeared The transmission cycle of the interface identifier of breath and the transmission message；

The PE sends message in the interface for sending message with described according to the cache list of the transmission message by described The transmission cycle is sent to reception customer edge devices CE.

7. a kind of equipment of Message Processing, it is characterised in that the equipment includes：

First searching unit, is arranged for the type of message and service identification in the reception message in the caching for receiving message The reception message is searched in table, the first lookup result is sent to transmitting element and comparing unit；

Transmitting element, in the case of not finding the reception message in first lookup result, is received described Message is sent to the Centralized Controller；If being additionally operable to data content and caching row of the comparative result for the reception message When the data content of the reception message stored in table is differed, the reception message is sent to the Centralized Controller；

Comparing unit, in the case of the reception message is found in first lookup result, the reception is disappeared The data content of the reception message stored in the data content of breath and the cache list found is compared, by the ratio Relatively result is sent to transmitting element；

The reception message is periodic refresh message, and the equipment also includes：

Second receiving unit, for receiving the first message that the Centralized Controller is sent, the first message at least includes slow Deposit type and the reception message；

Second searching unit, for the type of message and service identification in the reception message, in the caching type pair The reception message is searched in the cache list answered, the second lookup result is sent to creating unit；

Creating unit, if for second lookup result not find institute in the corresponding cache list of the caching type Reception message is stated, the type of message and service identification in the reception message create the cache list for receiving message； In the cache list that the data content of the reception message is added to the reception message；

8. equipment according to claim 7, it is characterised in that the equipment also includes：

Updating block, if described to be found in the corresponding cache list of the caching type for second lookup result Message is received, the data content of the reception message is updated into the cache list of the reception message.

9. the equipment according to claim 7 or 8, it is characterised in that the first message is also received including this equipment The reception cycle time for receiving cycle duration and the reception message of the interface identifier for receiving message, the reception message Number.

10. a kind of equipment of Message Processing, it is characterised in that the equipment includes：

Receiving unit, for receive Centralized Controller transmission first message, the first message at least include caching type and Send message；

Searching unit, it is corresponding in the caching type for the type of message and service identification in the transmission message The transmission message is searched in cache list, the 3rd lookup result is sent to creating unit；

Creating unit, if for the 3rd lookup result not find institute in the corresponding cache list of the caching type Transmission message is stated, the type of message and service identification in the transmission message create the cache list for sending message； In the cache list that the data content of the transmission message is added to the transmission message；

Transmitting element, is sent to reception customer edges by the transmission message for the cache list according to the transmission message and sets Standby CE；

The first message also includes the transmission cycle for sending the interface identifier and the transmission message for sending message；

The transmitting element, specifically for：

It is according to the cache list of the transmission message, the transmission message is all with the transmission in the interface of the transmission message Phase is sent to reception customer edge devices CE.

11. equipment according to claim 10, it is characterised in that the equipment also includes：

Updating block, if described to be found in the corresponding cache list of the caching type for the 3rd lookup result Message is sent, the data content of the transmission message is updated into the cache list of the transmission message.

12. the equipment according to claim 10 or 11, it is characterised in that the first message also includes sending the hair Send the interface identifier of message and the transmission cycle of the transmission message；

The transmitting element, specifically for：

13. a kind of system of Message Processing, it is characterised in that the system includes：Customer edge devices CE, claim 7-9 The equipment and Centralized Controller of Message Processing described in any one；

The CE is used to send the reception message to the Centralized Controller.

14. a kind of system of Message Processing, it is characterised in that the system includes：Customer edge devices CE, claim 10- The equipment and Centralized Controller of Message Processing described in 12 any one；The CE is used to receive the transmission message.