CN102984065A - Message processing method of super-interface label space and message processing device of super-interface label space - Google Patents
Message processing method of super-interface label space and message processing device of super-interface label space Download PDFInfo
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Abstract
The invention provides a message processing method of a super-interface label space and a message processing device of the super-interface label space. The method is achieved based on an application specific integrated circuit (ASIC) and comprises the steps of receiving a message, determining the super-interface label space which corresponds to an incoming interface of the message, matching a processing mode of the message in the super-interface label space, and transmitting the message according to the processing mode, wherein one super-interface label space can correspond to multiple incoming interfaces. One virtualized many is achieved for the multiple protocol label switching (MPLS) function of equipment by utilizing the super-interface label space, some interfaces are programmed into one super-interface label space, and a platform space of one child device is virtualized, and therefore messages can be processed together, and furthermore the platform space of the child device and platform spaces of other child devices are mutually independent, so processing application is rich.
Description
Technical field
The present invention relates to the network communication field technology, especially a kind of message processing method of super interface Label space and device.
Background technology
At present multiprotocol label switching (Multiprotocol Label Switching, MPLS) obtains more application as data transferring technique.Multiprotocol label switching has defined two kinds Label space: based on the per-interface space of each interface (per-Interface) with based on the platform space of each platform (per-Platform).Wherein, in the pattern based on the per-interface space (Per-Interface) of each interface, router can be made transmitting according to the incoming interface of the label value in the tape label message and this bag and determine.In the pattern based on the platform space (Per-Platform) of each platform, router is only transmitted according to label value when determining and can not be considered that the bag of this tape label receives from that interface on earth making transmitting.Yet in the prior art, described platform space and per-interface space can not realize that all a plurality of but non-total interface shares same Label space, so that its processing to message is used more single.
Summary of the invention
For above-mentioned technical problem, the object of the present invention is to provide a kind of granularity between the super interface Label space of platform space and per-interface space, make the same Label space of the common use of a plurality of interfaces, and utilize described Label space that message is processed.
Correspondingly, the invention provides a kind of message processing method of super interface Label space.
Another object of the present invention is to provide a kind of message process device of using a kind of super interface Label space of said method.
Wherein, a kind of message processing method of super interface Label space, the method realizes based on ASIC, may further comprise the steps:
S1, reception message;
S2, determine the super interface Label space corresponding to incoming interface of described message, wherein, same super interface Label space can corresponding a plurality of different incoming interfaces;
S3, the processing mode of in described super interface Label space, mating described message;
S4, E-Packet according to described processing mode.
As a further improvement on the present invention, described super interface Label space is the super interface Label space of MPLS, and described incoming interface is the MPLS incoming interface, and the label of different super interface Label space is separate.
As a further improvement on the present invention, described S2 step specifically comprises:
S21, the incoming interface corresponding super interface Label space whether of judging described message; If then enter the S3 step; If not, then enter the S22 step;
S22, the incoming interface corresponding platform space whether of judging described message; If, then enter S23, then abandon if not described message;
S23, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
As a further improvement on the present invention, described S3 step specifically comprises:
S31, judge whether described message matches corresponding processing mode in described super interface Label space; If then enter the S4 step; If not, then enter the S32 step;
S32, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
As a further improvement on the present invention, described S3 step specifically comprises:
S31, judge whether described message matches corresponding processing mode in described super interface Label space; If then enter the S4 step; If not, abandon described message.
Correspondingly, the device that a kind of message of super interface Label space is processed, this device is realized based on ASIC, comprising:
Network element is used for receiving message;
Allocation units be used for to be determined the super interface Label space corresponding to incoming interface of described message, and wherein, same super interface Label space can corresponding a plurality of different incoming interfaces;
Query unit is used for the processing mode at the described message of described super interface Label space coupling;
Processing unit is used for E-Packeting according to described processing mode.
As a further improvement on the present invention, described super interface Label space is the super interface Label space of MPLS, and described incoming interface is the MPLS incoming interface, and the label of different super interface Label space is separate.
As a further improvement on the present invention, described allocation units also are used for:
Whether the incoming interface of judging described message corresponding super interface Label space; If then enter query unit; Whether the incoming interface of if not, then judging described message corresponding platform space; If judge then whether described message matches corresponding processing mode in platform space; Then abandon if not described message; And
Described message matches corresponding processing mode in platform space after, transmit described message according to the processing mode that matches; Described message does not match corresponding processing mode in platform space after, abandon described message.
As a further improvement on the present invention, described query unit also is used for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If then enter processing unit; If not, judge then whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
As a further improvement on the present invention, described query unit also is used for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If then enter processing unit; If not, abandon described message.
Compared to prior art, the invention has the beneficial effects as follows: the present invention utilizes super interface Label space to realize that equipment MPLS function one void is many, some interface is planned for a super interface Label space, invent the platform space of a subset, so that it can unify processing to message, and it is abundanter to process application.
Description of drawings
Fig. 1 is the flow chart of the message processing method of super interface Label space in an embodiment of the present invention;
Fig. 2 is the flow chart of S2 concrete steps in an embodiment of the present invention;
Fig. 3 is the flow chart of S3 concrete steps in an embodiment of the present invention;
Fig. 4 is the module diagram of the message process device of the super interface Label space of an embodiment of the present invention;
Fig. 5 is the work schematic diagram of the message processing method of the super interface Label space of an embodiment of the present invention.
Embodiment
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiment do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiment, method or the function all is included in protection scope of the present invention.
As shown in Figure 1, in an embodiment of the present invention, the message processing method of described super interface Label space may further comprise the steps:
S1, reception message; Preferably, can receive message from network;
S2, determine the super interface Label space corresponding to incoming interface of described message, wherein, same super interface Label space can corresponding a plurality of different incoming interfaces; Preferably, described super interface Label space is specially the super interface Label space of MPLS, and interface is the MPLS interface, and the super interface Label space of described MPLS supports one or more MPLS interface to use a super interface Label space; The label of different super interface Label space is separate; Platform space and super interface Label space can be applied on the same interface simultaneously; Wherein, can dispose described super interface Label space by following the setting:
Be the super interface Label space sign of MPLS of MPLS interface configuration, described sign can be a numeral, and all use the interface of the super interface Label space sign of identical MPLS is exactly in same super interface Label space;
Be distinctive sign of platform space configuration, for example, can represent with numeral 0 that this value is the default value of the super interface Label space sign of MPLS on the interface;
Label range for each super interface Label space configuration oneself, when the interface that belongs to this super interface Label space is received message with the label that exceeds this label range, then message should be dropped, if but use with in incoming interface supporting platform space, then this label just should be regarded as the platform space label, specifically can be in conjunction with following explanation to Fig. 3.The scope of described super interface Label space is to can be configured to discrete label range, also can be configured to continuous label range, preferably, in best mode for carrying out the invention, this label range is used one section continuous value, and minimum label can be 0,16 or other arbitrary values.
It is worth mentioning that: adding when super interface Label space only has an interface, in fact is exactly the application of per-interface space, all uses same super per-interface space and work as all interfaces, in fact is exactly the application of platform space.So technical scheme of the present invention fully the compatible protocol standard to the regulation of Label space.
Described super interface Label space is independently, and each space can be applied to one or more interfaces.Described interface is using with of supporting platform space and per-interface space also.
S3, the processing mode of in described super interface Label space, mating described message; Preferably, can in described super interface Label space, inquire about by the label of described message, to obtain the processing mode of described message according to the list item that inquires;
S4, E-Packet according to described processing mode.
It is worth mentioning that: above-mentioned processing method is based on ASIC and realizes.
As shown in Figure 2, in an embodiment of the present invention, described S2 step specifically comprises:
S21, the incoming interface corresponding super interface Label space whether of judging described message; If then enter the S3 step; If not, then enter the S22 step;
S22, the incoming interface corresponding platform space whether of judging described message; If, then enter S23, then abandon if not described message;
S23, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
Certainly, in another execution mode of the present invention, can when not having corresponding super interface Label space, directly abandon described message.
As shown in Figure 3, in an embodiment of the present invention, described S3 step specifically comprises:
S31, judge whether described message matches corresponding processing mode in described super interface Label space; If then enter the S4 step; If not, then enter the S32 step;
S32, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
Certainly, in another execution mode of the present invention, in the time of can in super interface Label space, mating less than corresponding processing mode, directly abandon described message.
By above-mentioned S2 step and/or S3 step, so that the using with of the super interface Label space of described method support and platform space, to the processing of message horn of plenty more.
As shown in Figure 4, in an embodiment of the present invention, the message process device of described super interface Label space comprises:
Network element 100 is used for receiving message; Preferably, can receive message from network;
Allocation units 101 be used for to be determined the super interface Label space corresponding to incoming interface of described message, and wherein, same super interface Label space can corresponding a plurality of different incoming interfaces; Preferably, described super interface Label space is specially the super interface Label space of MPLS, and interface is the MPLS interface, and the super interface Label space of described MPLS supports one or more MPLS interface to use a super interface Label space; The label of different super interface Label space is separate; Platform space and super interface Label space can be applied on the same interface simultaneously; Wherein, can dispose described super interface Label space by following the setting:
Be the super interface Label space sign of MPLS of MPLS interface configuration, described sign can be a numeral, and all use the interface of the super interface Label space sign of identical MPLS is exactly in same super interface Label space;
Be distinctive sign of platform space configuration, for example, can represent with numeral 0 that this value is the default value of the super interface Label space sign of MPLS on the interface;
Label range for each super interface Label space configuration oneself, when the interface that belongs to this super interface Label space is received message with the label that exceeds this label range, then message should be dropped, if but use with in incoming interface supporting platform space, then this label just should be regarded as the platform space label, specifically can be in conjunction with above-mentioned explanation to Fig. 3.The scope of described super interface Label space is to can be configured to discrete label range, also can be configured to continuous label range, preferably, in best mode for carrying out the invention, this label range is used one section continuous value, and minimum label can be 0,16 or other arbitrary values.
It is worth mentioning that: adding when super interface Label space only has an interface, in fact is exactly the application of per-interface space, all uses same super per-interface space and work as all interfaces, in fact is exactly the application of platform space.So technical scheme of the present invention fully the compatible protocol standard to the regulation of Label space.
Described super interface Label space is independently, and each space can be applied to one or more interfaces.Described interface is using with of supporting platform space and per-interface space also.
Query unit 102 is used for the processing mode at the described message of described super interface Label space coupling; Preferably, can in described super interface Label space, inquire about by the label of described message, to obtain the processing mode of described message according to the list item that inquires;
Processing unit 103 is used for E-Packeting according to described processing mode.
It is worth mentioning that: said apparatus is based on ASIC and realizes.
Wherein, described allocation units also are used for:
Whether the incoming interface of judging described message corresponding super interface Label space; If then enter query unit 102; Whether the incoming interface of if not, then judging described message corresponding platform space; If judge then whether described message matches corresponding processing mode in platform space; If not, then abandon described message.Described allocation units also are used for: after platform space matches corresponding processing mode, transmit described message according to the processing mode that matches at described message; Described message does not match corresponding processing mode in platform space after, abandon described message.
Certainly, in another execution mode of the present invention, can when not having corresponding super interface Label space, directly abandon described message.
Described query unit also is used for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If then enter processing unit 103; If not, judge then whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
Certainly, in another execution mode of the present invention, in the time of can in super interface Label space, mating less than corresponding processing mode, directly abandon described message.
By above-mentioned allocation units 101 and/or query unit 102, so that the using with of the super interface Label space of described device support and platform space, to the processing of message horn of plenty more.
Show such as Fig. 5, according to message processing method and the device of super interface Label space of the present invention, can realize the unified processing of message, and process and use more horn of plenty, for example:
Comprise three super interface Label space in the MPLS equipment: A, B, C, wherein, super interface Label space A comprises three interfaces of interface 1, and super interface Label space B only has interface 2, super interface Label space C comprises two interfaces of interface 3, and other interfaces place platform space D.Preferably, above-mentioned 1,2,3 is the ID of interface.Wherein, if the platform space of interface 2 is used with closing, then is the equal of in the per-interface space of standard definition, and the compatible protocol standard is to the regulation of Label space fully.
After receiving the MPLS message, can check message according to the attribute of message (for example the incoming interface of message and enter label), see in its scope that whether is in corresponding super interface Label space, it is assigned in the corresponding super interface Label space, the mode that enters the label appointment in the super interface Label space according to correspondence is transmitted, otherwise, directly abandon described message or described message is assigned in the platform space, transmit according to the mode that enters the label appointment in the platform space; If by distributing, interface 1 receives the MPLS message, if label is then transmitted according to the mode that enters the label appointment among the A of space in the scope of the super interface Label space A at interface 1 place so; If label has exceeded the scope of space A, see then interface 1 whether use with by the supporting platform space, if support, transmit according to the mode that enters the label appointment in the platform space; Otherwise directly abandon.
Use super interface Label space to be easy to realize that equipment MPLS function one void is many, be super interface Label space of all the MPLS interface configuration on each virtual unit (such as virtual router), then this super interface Label space has been exactly the platform space of this virtual unit.And equally also can continue use at virtual unit the technology of super interface Label space, and can support to be many network equipments uses with network equipment is virtual, and the platform space of each virtual unit is independently, avoid the information leakage problem.
For the convenience of describing, be divided into various unit with function when describing above device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, such as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each execution mode of the application or execution mode.
Device embodiments described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation of not paying creative work.
The application can be used in numerous general or special purpose computingasystem environment or configuration or communication system environment or the equipment.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment etc., and switch, router, comprise communication system environment of above any equipment etc.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can in distributed computing environment (DCE), put into practice the application, in these distributed computing environment (DCE), be executed the task by the teleprocessing equipment that is connected by communication network.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description only is specifying for feasibility execution mode of the present invention; they are not to limit protection scope of the present invention, allly do not break away from equivalent execution mode or the change that skill spirit of the present invention does and all should be included within protection scope of the present invention.
Claims (10)
1. the message processing method of a super interface Label space is characterized in that, the method realizes that based on ASIC it may further comprise the steps:
S1, reception message;
S2, determine the super interface Label space corresponding to incoming interface of described message, wherein, same super interface Label space can corresponding a plurality of different incoming interfaces;
S3, the processing mode of in described super interface Label space, mating described message;
S4, E-Packet according to described processing mode.
2. method according to claim 1 is characterized in that, described super interface Label space is the super interface Label space of MPLS, and interface is the MPLS interface, and the label of different super interface Label space is separate.
3. method according to claim 2 is characterized in that, described S2 step specifically comprises:
S21, the incoming interface corresponding super interface Label space whether of judging described message; If then enter the S3 step; If not, then enter the S22 step;
S22, the incoming interface corresponding platform space whether of judging described message; If, then enter S23, then abandon if not described message;
S23, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
4. according to claim 2 or 3 described methods, it is characterized in that described S3 step specifically comprises:
S31, judge whether described message matches corresponding processing mode in described super interface Label space; If then enter the S4 step; If not, then enter the S32 step;
S32, judge whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
5. according to claim 2 or 3 described methods, it is characterized in that described S3 step specifically comprises:
S31, judge whether described message matches corresponding processing mode in described super interface Label space; If then enter the S4 step; If not, abandon described message.
6. the message process device of a super interface Label space is characterized in that, this device realizes that based on ASIC it comprises:
Network element is used for receiving message;
Allocation units be used for to be determined the super interface Label space corresponding to incoming interface of described message, and wherein, same super interface Label space can corresponding a plurality of different incoming interfaces;
Query unit is used for the processing mode at the described message of described super interface Label space coupling;
Processing unit is used for E-Packeting according to described processing mode.
7. device according to claim 6 is characterized in that, described super interface Label space is the super interface Label space of MPLS, and interface is the MPLS interface, and the label of different super interface Label space is separate.
8. device according to claim 7 is characterized in that, described allocation units also are used for:
Whether the incoming interface of judging described message corresponding super interface Label space; If then enter query unit; Whether the incoming interface of if not, then judging described message corresponding platform space; If judge then whether described message matches corresponding processing mode in platform space; Then abandon if not described message; And
Described message matches corresponding processing mode in platform space after, transmit described message according to the processing mode that matches; Described message does not match corresponding processing mode in platform space after, abandon described message.
9. according to claim 7 or 8 described devices, it is characterized in that described query unit also is used for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If then enter processing unit; If not, judge then whether described message matches corresponding processing mode in platform space; If then transmit described message according to the processing mode that matches; If not, then abandon described message.
10. according to claim 7 or 8 described devices, it is characterized in that described query unit also is used for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If then enter processing unit; If not, abandon described message.
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