CN101997758A - Forwarding device and method - Google Patents
Forwarding device and method Download PDFInfo
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- CN101997758A CN101997758A CN2009101633640A CN200910163364A CN101997758A CN 101997758 A CN101997758 A CN 101997758A CN 2009101633640 A CN2009101633640 A CN 2009101633640A CN 200910163364 A CN200910163364 A CN 200910163364A CN 101997758 A CN101997758 A CN 101997758A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/02—Capturing of monitoring data
- H04L43/028—Capturing of monitoring data by filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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Abstract
The invention discloses a forwarding device and method. The forwarding device comprises a message analysis module, a protocol message sorting module, a forwarding information base table and a user data message processing module, wherein the message analysis module is used for receiving and analyzing data, sorting the analyzed data according to protocol message data and user data and providing sorted protocol message data and user data, the protocol message sorting module is used for forwarding the protocol message data provided by the message analysis module, the forwarding information base table is used for storing the user data forwarding information, and the user data message processing module is used for processing and forwarding the user data provided by the message analysis module according to the user data forwarding information stored by the forwarding information base table. The invention improves FE models.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of retransmission unit and method.
Background technology
Along with rapid development of Internet, current IP network is extensively large-scale commercial, and the development just continuously and healthily of the scale of commercial network and number of users, the thing followed are that increasing new business, new function are introduced into network, and control plane becomes and becomes increasingly complex.The extensibility of network control plane (Control Plane), datum plane (Data Plane) and management plane (Management Plane) becomes the main challenge that the IP network evolution process faces.But the defective of IP network architecture design has greatly limited network capacity, network scalability, controllability, fail safe and QOS etc.Control plane and datum plane are integrated in same network node in current IP network, therefore, when increasing business and control signaling when being added into network node, make the unusual complicated expansion that is difficult to safeguard, be difficult to of whole network.
For tackling above network problem, propose a kind of independence at present and can expand control plane (independent Scalable Control Plane, abbreviate ISCP as) technology, this technology is transmitted the thought of separating based on control, control plane is separated from datum plane, safeguard separately, alleviate pressure on the network capacity extension and the control ability, increased the robustness of network with this.
Fig. 1 is the schematic diagram according to the ISCP network configuration of correlation technique, as shown in Figure 1, the ISCP structure is separated control plane, datum plane and management plane, datum plane is by a plurality of control network element (Control Element, abbreviate CE as) and service control network element (ServiceControl Element, abbreviate SCE as) form, be mainly used in control and manage the operation of all procotols, comprise route calculating, Route Selection, Business Processing etc.Datum plane is made up of a plurality of forwarding network elements (Forwarding Element abbreviates FE as), the professional network element (Service Forwarding Element abbreviates SFE as) of transmitting, and is mainly used in classification and the forwarding of finishing business datum.Management plane is by managed network element (Management Element, abbreviate ME as) the equipment composition, be used to manage the network entity of network elements such as CE, FE, ME monitors and collects the static information, state information of each network element etc., and according to these information and configuration order each network element is managed.
At the model of FE in the correlation technique, still there is not the corresponding techniques scheme that its structure is described at present.
Summary of the invention
The problem that is described at the structure of models that does not have the corresponding techniques scheme to FE in the correlation technique and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of retransmission unit and method, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of retransmission unit.
Retransmission unit according to the present invention comprises: the packet parsing module, be used for receiving and resolution data, and the data that parsing obtains are classified according to protocol massages data and user data, and protocol massages data and the user data that obtains after the classification is provided; The protocol massages sort module, the protocol massages data that are used for the packet parsing module is provided are transmitted; The forwarding information base table is used for the storaging user data forwarding information; User data message processing module is used for handling and transmitting according to the user data that forwarding information base table storage user data forwarding information provides the packet parsing module.
Preferably, the protocol massages sort module also is used for the protocol massages data are classified, and according to classification results protocol massages is redirected to the control corresponding network element.
Preferably, said apparatus also comprises: receiver module is used to receive the routing iinformation library information from the control network element; Update module is used for the user data forwarding information of the routing information base information updating forwarding information base table that receives according to receiver module.
Preferably, forwarding information base table storage user data forwarding information comprises one of following at least: destination address, subnet mask, next jumping, outgoing interface.
To achieve these goals, according to another aspect of the present invention, provide a kind of retransmission method.
Retransmission method according to the present invention comprises: receive and resolution data, the data that parsing obtains are classified according to protocol massages data and user data; The protocol massages data that classification obtains are transmitted; Handle and transmit according to the user data that the storage user data forwarding information obtains classification.
Preferably, the protocol massages data that classification is obtained are transmitted and are comprised: the protocol massages data that classification obtains are classified, and according to classification results protocol massages is redirected to the control corresponding network element.
Preferably, said method also comprises: receive routing iinformation library information from the control network element, and according to routing information base information updating storage user data forwarding information.
Preferably, the user data forwarding information comprises one of following at least: destination address, subnet mask, next jumping, outgoing interface.
By the present invention, the retransmission unit that comprises packet parsing module, protocol massages sort module, user data message processing module and forwarding information base table is provided, solved the problem that does not have the corresponding techniques scheme that the structure of models of FE is described in the correlation technique, and then the perfect model of FE.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the ISCP network configuration of correlation technique;
Fig. 2 is the schematic diagram of the retransmission unit (that is ISCP network FE model) according to the embodiment of the invention;
Fig. 3 is the flow chart according to the retransmission method of the embodiment of the invention;
Fig. 4 is the detail flowchart according to the ISCP network data retransmission method of the embodiment of the invention.
Embodiment
Functional overview
Consider the problem that does not have the corresponding techniques scheme that the structure of models of FE is described in the correlation technique, the embodiment of the invention provides a kind of retransmission unit and method, this device comprises the retransmission unit of packet parsing module, protocol massages sort module, user data message processing module and forwarding information base table, the model structure that provides based on this retransmission unit, obtain the new data forwarding method that separates with forwarding based on control, can improve the model of FE, and realize forwarding of data.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Device embodiment
According to embodiments of the invention, provide a kind of retransmission unit.Fig. 2 is according to the retransmission unit of the embodiment of the invention (promptly, ISCP network FE model) schematic diagram, as shown in Figure 2, this device (promptly, the ISCP network data is transmitted the network element device) comprising: packet parsing module 2, protocol massages sort module 4, user data message processing module 6 and forwarding information base (Forwarding information Base abbreviates FIB as) table 8.
Packet parsing module 2, be used to receive data and data are resolved, the data that parsing obtains are classified according to protocol massages data and user data, and provide protocol massages data and the user data that obtains after the classification, promptly, the protocol massages data forwarding is handled to 4 pairs of protocol massages of protocol massages sort module, and user data is forwarded to user data message processing module 6 and handles.
Protocol massages sort module 4 is connected to packet parsing module 2, and the protocol massages data that are used for packet parsing module 2 is provided are transmitted, promptly, protocol massages is classified, and different protocol massages is redirected to different CE, so that the network of relation information of CE calculation of equipments route to be provided.
User data message processing module 6 is connected to packet parsing module 2, is used for the user data that packet parsing module 2 provides is handled and transmitted.
Fib table 8 is used for the storaging user data forwarding information, and wherein, the user data forwarding information comprises information such as relevant destination address, subnet mask, next jumping, outgoing interface.So that user data processing module 6 relevant information among the inquiry FIB when transmitting user data is handled with the guides user forwarding of data.
In addition, this device also comprises: receiver module is used to receive routing information base (Routing Information Base the abbreviates RIB as) information from CE; Update module is used for the user data forwarding information of the fib table 8 of this equipment of routing information base information updating of receiving according to receiver module.
By this embodiment, the retransmission unit that comprises packet parsing module, protocol massages sort module, user data message processing module and forwarding information base table is provided, solved the problem that does not have the corresponding techniques scheme that the structure of models of FE is described in the correlation technique, and then the perfect model of FE.
Method embodiment
According to embodiments of the invention, a kind of retransmission method is provided, that is, ISCP network data retransmission method, this method can be used to realize above-mentioned retransmission unit.Fig. 3 is the flow chart according to the retransmission method of the embodiment of the invention, and as shown in Figure 3, this method comprises that following step S302 is to step S306:
Step S302 receives and resolution data, and the data that parsing obtains are classified according to protocol massages data and user data.
Step S304 transmits the protocol massages data that classification obtains.Particularly, the protocol massages data that classification obtains are classified, and protocol massages is redirected to the control corresponding network element according to classification results.
Step S306 handles and transmits according to the user data that the storage user data forwarding information obtains classification.In addition, also comprise in this method: receive routing iinformation library information from the control network element, and according to routing information base information updating storage user data forwarding information.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Fig. 4 is the ISCP network data forwarding process figure according to the embodiment of the invention, as shown in Figure 3, comprises that following step S402 is to step S414:
Step S402:FE equipment has received the message that other equipment send over.
The packet parsing module of step S404:FE equipment is resolved message, belongs to protocol massages or data message according to this messages of attributive analysis such as the port numbers in the message, protocol numbers.
Step S406: judge whether this message is protocol massages, if judged result then proceeds to step S410 for being, if judged result then proceeds to step S408 for not.
Step S408: this moment, data message was the user data message, and the user data processing module that is forwarded to FE equipment is transmitted processing to these data, and the forwarding of user data need be transmitted according to the fib table in the FE equipment.
Step S410: judge that this message is a protocol massages this moment, and the protocol massages sort module that is forwarded to FE is handled this protocol massages.
Step S412: after the protocol massages sort module is received this protocol massages, classify, and be redirected to corresponding C E equipment according to the agreement of protocol massages.For different protocol massages, be directed to different CE equipment, can alleviate the load of CE equipment like this, improve the robustness of network.
Step S414: finish processing to this message.
In sum, pass through the above embodiment of the present invention, the retransmission unit that comprises packet parsing module, protocol massages sort module, user data message processing module and forwarding information base table is provided, solved the problem that does not have the corresponding techniques scheme that the structure of models of FE is described in the correlation technique, and provide retransmission method, in the perfect model of FE, realized forwarding of data.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a retransmission unit is characterized in that, comprising:
The packet parsing module is used for receiving and resolution data, the described data that parsing obtains is classified according to protocol massages data and user data, and described protocol massages data and the described user data that obtains after the classification is provided;
The protocol massages sort module is used for the described protocol massages data that described packet parsing module provides are transmitted;
The forwarding information base table is used for the storaging user data forwarding information;
User data message processing module is used for according to the described user data forwarding information of described forwarding information base table storage the described user data that described packet parsing module provides being handled and being transmitted.
2. device according to claim 1 is characterized in that, described protocol massages sort module also is used for described protocol massages data are classified, and according to classification results described protocol massages is redirected to the control corresponding network element.
3. device according to claim 1 and 2 is characterized in that, also comprises:
Receiver module is used to receive the routing iinformation library information from the control network element;
Update module is used for the described user data forwarding information of the described forwarding information base table of described routing information base information updating that receives according to described receiver module.
4. according to each described device in claim 1 or 2, it is characterized in that it is one of following that the described user data forwarding information of described forwarding information base table storage comprises at least: destination address, subnet mask, next jumping, outgoing interface.
5. a retransmission method is characterized in that, comprising:
Receive and resolution data, the described data that parsing obtains are classified according to protocol massages data and user data;
The described protocol massages data that classification obtains are transmitted;
According to the storage user data forwarding information the described user data that classification obtains is handled and transmitted.
6. method according to claim 5 is characterized in that, the described protocol massages data that classification is obtained are transmitted and comprised:
The described protocol massages data that classification obtains are classified, and described protocol massages is redirected to the control corresponding network element according to classification results.
7. according to claim 5 or 6 described methods, it is characterized in that, also comprise:
Reception is from the routing iinformation library information of control network element, and according to the described user data forwarding information of described routing information base information updating storage.
8. according to claim 5 or 6 described methods, it is characterized in that it is one of following that described user data forwarding information comprises at least:
Destination address, subnet mask, next jumping, outgoing interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101633640A CN101997758A (en) | 2009-08-11 | 2009-08-11 | Forwarding device and method |
| PCT/CN2010/073458 WO2011017964A1 (en) | 2009-08-11 | 2010-06-02 | Forwarding equipment and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101633640A CN101997758A (en) | 2009-08-11 | 2009-08-11 | Forwarding device and method |
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| CN101997758A true CN101997758A (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101633640A Pending CN101997758A (en) | 2009-08-11 | 2009-08-11 | Forwarding device and method |
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| CN (1) | CN101997758A (en) |
| WO (1) | WO2011017964A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040997A1 (en) * | 2011-09-23 | 2013-03-28 | 华为技术有限公司 | Message forwarding method, device and system in multi-topology network |
| CN103166866A (en) * | 2011-12-12 | 2013-06-19 | 华为技术有限公司 | Method of generating table items, method of receiving messages and relative devices and systems |
| CN105681193A (en) * | 2016-03-02 | 2016-06-15 | 付宏伟 | Controller system for software defined network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10276461A (en) * | 1997-03-28 | 1998-10-13 | Sharp Corp | Receiver |
| CN100403726C (en) * | 2003-12-01 | 2008-07-16 | 华为技术有限公司 | Method for realizing IPv6 message flow sorting |
| CN100417131C (en) * | 2004-08-11 | 2008-09-03 | 中兴通讯股份有限公司 | Media transmission flow data transmitting method |
| EP1868333B1 (en) * | 2006-06-15 | 2011-08-03 | Nokia Siemens Networks S.p.A. | Method for packet classification based on the protocol type and on priorities |
-
2009
- 2009-08-11 CN CN2009101633640A patent/CN101997758A/en active Pending
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2010
- 2010-06-02 WO PCT/CN2010/073458 patent/WO2011017964A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040997A1 (en) * | 2011-09-23 | 2013-03-28 | 华为技术有限公司 | Message forwarding method, device and system in multi-topology network |
| CN103023773A (en) * | 2011-09-23 | 2013-04-03 | 华为技术有限公司 | Method, device and system for forwarding message in multi-topology network |
| CN103023773B (en) * | 2011-09-23 | 2015-05-27 | 华为技术有限公司 | Method, device and system for forwarding message in multi-topology network |
| US9203752B2 (en) | 2011-09-23 | 2015-12-01 | Huawei Technologies Co., Ltd. | Method, apparatus, and system for forwarding packet in multi-topology network |
| CN103166866A (en) * | 2011-12-12 | 2013-06-19 | 华为技术有限公司 | Method of generating table items, method of receiving messages and relative devices and systems |
| CN103166866B (en) * | 2011-12-12 | 2016-08-03 | 华为技术有限公司 | Generate the method for list item, the method receiving message and related device and system |
| CN105681193A (en) * | 2016-03-02 | 2016-06-15 | 付宏伟 | Controller system for software defined network |
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| Publication number | Publication date |
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| WO2011017964A1 (en) | 2011-02-17 |
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Application publication date: 20110330 |