CN102984065B - The message processing method of super interface Label space and device - Google Patents
The message processing method of super interface Label space and device Download PDFInfo
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Abstract
The invention provides a kind of message processing method and device of super interface Label space, wherein, the method realizes based on ASIC, comprising: S1, reception message; S2, determine the super interface Label space that the incoming interface of described message is corresponding, wherein, same super interface Label space may correspond to multiple different incoming interface; S3, in described super interface Label space, mate the processing mode of described message; S4, to E-Packet according to described processing mode.It is many that the present invention utilizes super interface Label space to realize equipment MPLS function one void, some interface is planned for a super interface Label space, invent the platform space of a subset, make it can unify process to message, and independent mutually with the platform space of other subsets, process application is abundanter.
Description
Technical field
The present invention relates to network communication field technology, especially a kind of message processing method of super interface Label space and device.
Background technology
Current multiprotocol label switching (MultiprotocolLabelSwitching, MPLS) obtains more application as data transferring technique.Multiprotocol label switching defines the Label space of two kinds: based on the per-interface space of each interface (per-Interface) and the platform space based on each platform (per-Platform).Wherein, in the pattern of the per-interface space (Per-Interface) based on each interface, router can be made forwarding according to the label value in tape label message and this incoming interface wrapped and determine.In the pattern of the platform space (Per-Platform) based on each platform, router only carries out forwarding according to label value when making and forwarding and determine and can not consider that the bag of this tape label receives from that interface on earth.But in prior art, described platform space and per-interface space all can not realize multiple but not all interface shares same Label space, makes it single to the process Application comparison of message.
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 multiple interface jointly use same Label space, and utilize described Label space to process message.
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 applying 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, comprises the following steps:
S1, reception message;
S2, determine the super interface Label space that the incoming interface of described message is corresponding, wherein, the corresponding multiple different incoming interface of same super interface Label space; Described super interface Label space is that MPLS surpasses interface Label space, and interface is MPLS interface, and the label of different super interface Label space is separate;
S21, judge the incoming interface whether corresponding super interface Label space of described message;
If so, S3 step is then entered;
If not, then S22 step is entered;
S22, judge the whether corresponding platform space of the incoming interface of described message;
If so, then S23 is entered,
Then abandon described message if not;
S23, judge whether described message matches corresponding processing mode in platform space;
If so, then described message is forwarded according to the processing mode matched;
If not, then described message is abandoned;
S3, in described super interface Label space, mate the processing mode of described message;
S4, to E-Packet according to described processing mode.
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 so, S4 step is then entered; If not, then S32 step is entered;
S32, judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
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 so, S4 step is then entered; If not, described message is abandoned.
Correspondingly, a kind of device of Message processing of super interface Label space, this device realizes based on ASIC, comprising:
Network element, for receiving message;
Allocation units, for determining the super interface Label space that the incoming interface of described message is corresponding, wherein, the corresponding multiple different incoming interface of same super interface Label space; Described super interface Label space is that MPLS surpasses interface Label space, and interface is MPLS interface, and the label of different super interface Label space is separate;
Described allocation units are also for the incoming interface whether corresponding super interface Label space that judges described message;
If so, then query unit is entered;
If not, then the whether corresponding platform space of the incoming interface of described message is judged;
If so, then judge whether described message matches corresponding processing mode in platform space;
Then abandon described message if not; And
After described message matches corresponding processing mode in platform space, forward described message according to the processing mode matched; After described message does not match corresponding processing mode in platform space, abandon described message;
Query unit, for mating the processing mode of described message in described super interface Label space;
Processing unit, for E-Packeting according to described processing mode.
As a further improvement on the present invention, described query unit also for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If so, then processing unit is entered; If not, then judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
As a further improvement on the present invention, described query unit also for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If so, then processing unit is entered; If not, described message is abandoned.
Compared to prior art, the invention has the beneficial effects as follows: it is many that the present invention utilizes super interface Label space to realize equipment MPLS function one void, some interface is planned for a super interface Label space, invent the platform space of a subset, make it can unify process to message, and process application is abundanter.
Accompanying drawing explanation
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 that an embodiment of the present invention surpasses the message process device of interface Label space;
Fig. 5 is the operating diagram that an embodiment of the present invention surpasses the message processing method of interface Label space.
Embodiment
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all 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, comprises the following steps:
S1, reception message; Preferably, can from network reception message;
S2, determine the super interface Label space that the incoming interface of described message is corresponding, wherein, same super interface Label space may correspond to multiple different incoming interface; Preferably, described super interface Label space is specially MPLS and surpasses interface Label space, and interface is MPLS interface, and described MPLS surpasses interface Label space and supports that one or more MPLS interface uses 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 same interface simultaneously; Wherein, the described super interface Label space of configuration is set by following:
For MPLS interface configuration MPLS surpasses interface Label space mark, described mark can be a numeral, and the interface that the identical MPLS of all uses surpasses interface Label space mark is exactly in same super interface Label space;
For platform space configures a distinctive mark, such as, can represent by numeral 0, this value is the default value that on interface, MPLS surpasses interface Label space mark;
For the label range of each super interface Label space configuration oneself, when the interface belonging to this super interface Label space receives the message with the label exceeding this label range, then message should be dropped, if but incoming interface supporting platform space is used with, then this label just should be regarded as platform space label, specifically can in conjunction with the following explanation to Fig. 3.The scope of described super interface Label space can be configured to discrete label range, also can be configured to continuous print label range, preferably, in best mode for carrying out the invention, this label range uses one section of continuous print value, and minimum label can be 0,16 or other arbitrary values.
It is worth mentioning that: when super interface Label space only has an interface to add, be in fact exactly the application of per-interface space, and when all interfaces all use same super per-interface space, be in fact exactly the application of platform space.So technical scheme of the present invention can completely 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 interface.Described interface also supporting platform space and per-interface space mixed.
S3, in described super interface Label space, mate the processing mode of described message; Preferably, the label by described message is inquired about in described super interface Label space, to obtain the processing mode of described message according to the list item inquired;
S4, to E-Packet according to described processing mode.
It is worth mentioning that: above-mentioned processing method realizes based on ASIC.
As shown in Figure 2, in an embodiment of the present invention, described S2 step specifically comprises:
S21, judge the incoming interface whether corresponding super interface Label space of described message; If so, S3 step is then entered; If not, then S22 step is entered;
S22, judge the whether corresponding platform space of the incoming interface of described message; If so, then enter S23, then abandon described message if not;
S23, judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
Certainly, in another execution mode of the present invention, when there is no corresponding super interface Label space, can 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 so, S4 step is then entered; If not, then S32 step is entered;
S32, judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
Certainly, in another execution mode of the present invention, when can mate less than corresponding processing mode in super interface Label space, directly abandon described message.
By above-mentioned S2 step and/or S3 step, described method support is made to surpass the mixed of interface Label space and platform space, to the process more horn of plenty of message.
As shown in Figure 4, in an embodiment of the present invention, the message process device of described super interface Label space, comprising:
Network element 100, for receiving message; Preferably, can from network reception message;
Allocation units 101, for determining the super interface Label space that the incoming interface of described message is corresponding, wherein, same super interface Label space may correspond to multiple different incoming interface; Preferably, described super interface Label space is specially MPLS and surpasses interface Label space, and interface is MPLS interface, and described MPLS surpasses interface Label space and supports that one or more MPLS interface uses 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 same interface simultaneously; Wherein, the described super interface Label space of configuration is set by following:
For MPLS interface configuration MPLS surpasses interface Label space mark, described mark can be a numeral, and the interface that the identical MPLS of all uses surpasses interface Label space mark is exactly in same super interface Label space;
For platform space configures a distinctive mark, such as, can represent by numeral 0, this value is the default value that on interface, MPLS surpasses interface Label space mark;
For the label range of each super interface Label space configuration oneself, when the interface belonging to this super interface Label space receives the message with the label exceeding this label range, then message should be dropped, if but incoming interface supporting platform space is used with, then this label just should be regarded as platform space label, specifically can in conjunction with the above-mentioned explanation to Fig. 3.The scope of described super interface Label space can be configured to discrete label range, also can be configured to continuous print label range, preferably, in best mode for carrying out the invention, this label range uses one section of continuous print value, and minimum label can be 0,16 or other arbitrary values.
It is worth mentioning that: when super interface Label space only has an interface to add, be in fact exactly the application of per-interface space, and when all interfaces all use same super per-interface space, be in fact exactly the application of platform space.So technical scheme of the present invention can completely 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 interface.Described interface also supporting platform space and per-interface space mixed.
Query unit 102, for mating the processing mode of described message in described super interface Label space; Preferably, the label by described message is inquired about in described super interface Label space, to obtain the processing mode of described message according to the list item inquired;
Processing unit 103, for E-Packeting according to described processing mode.
It is worth mentioning that: said apparatus realizes based on ASIC.
Wherein, described allocation units also for:
Judge the whether corresponding super interface Label space of the incoming interface of described message; If so, query unit 102 is then entered; If not, then the whether corresponding platform space of the incoming interface of described message is judged; If so, then judge whether described message matches corresponding processing mode in platform space; If not, then described message is abandoned.Described allocation units also for: after described message matches corresponding processing mode in platform space, forward described message according to the processing mode matched; After described message does not match corresponding processing mode in platform space, abandon described message.
Certainly, in another execution mode of the present invention, when there is no corresponding super interface Label space, can directly abandon described message.
Described query unit also for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If so, processing unit 103 is then entered; If not, then judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
Certainly, in another execution mode of the present invention, when can mate less than corresponding processing mode in super interface Label space, directly abandon described message.
By above-mentioned allocation units 101 and/or query unit 102, described device support is made to surpass the mixed of interface Label space and platform space, to the process more horn of plenty of message.
As Fig. 5 shows, according to message processing method and the device of super interface Label space of the present invention, the unified process of message can be realized, and more horn of plenty is applied in process, such as:
A MPLS equipment comprises three super interface Label space: 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 are placed in platform space D.Preferably, above-mentioned 1,2,3 is the ID of interface.Wherein, closing if the platform space of interface 2 is mixed, is then the equal of in the per-interface space of standard definition, can completely compatible protocol standard to the regulation of Label space.
After receiving MPLS message, message can be checked according to the attribute of message the incoming interface of the such as message (and enter label), see whether it is in the scope of corresponding super interface Label space, be assigned in corresponding super interface Label space, forward according to entering the mode that label specifies in the super interface Label space of correspondence, otherwise, directly abandoning described message or described message be assigned in platform space, forwarding according to entering the mode that label specifies in platform space; If by distributing, interface 1 receives MPLS message, if so label is in the scope of the super interface Label space A at interface 1 place, then forwards according to entering the mode that label specifies in the A of space; If label is beyond the scope of space A, then seeing whether supporting platform space is used with for interface 1, if supported, forwarding according to entering the mode that label specifies in platform space; Otherwise directly abandon.
Super interface Label space is used to be easy to realize equipment MPLS function one void many, for the super interface Label space of all MPLS interface configuration one on each virtual unit (as virtual router), then this super interface Label space has been exactly the platform space of this virtual unit.And equally also can continue the technology using super interface Label space on virtual unit, can support by virtual for network equipment be that the multiple stage network equipment uses, and the platform space of each virtual unit is independently, avoids information leakage problem.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each execution mode of the application or execution mode.
Device embodiments described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The application can be used in numerous general or special purpose computing system environment or configuration or communication system environments or equipment.Such as: personal computer, server computer, handheld device or portable set, laptop device, multicomputer system, system, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, the distributed computing environment (DCE) comprising above any system or equipment etc. based on microprocessor, and switch, router, the communication system environments comprising above any equipment etc.
The application can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure etc. that perform particular task or realize particular abstract data type.Also can put into practice the application in a distributed computing environment, in these distributed computing environment (DCE), be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (6)
1. a message processing method for super interface Label space, it is characterized in that, the method realizes based on ASIC, and it comprises the following steps:
S1, reception message;
S2, determine the super interface Label space that the incoming interface of described message is corresponding, wherein, the corresponding multiple different incoming interface of same super interface Label space; Described super interface Label space is that MPLS surpasses interface Label space, and interface is MPLS interface, and the label of different super interface Label space is separate;
S21, judge the incoming interface whether corresponding super interface Label space of described message;
If so, S3 step is then entered;
If not, then S22 step is entered;
S22, judge the whether corresponding platform space of the incoming interface of described message;
If so, then S23 is entered,
Then abandon described message if not;
S23, judge whether described message matches corresponding processing mode in platform space;
If so, then described message is forwarded according to the processing mode matched;
If not, then described message is abandoned; S3, in described super interface Label space, mate the processing mode of described message;
S4, to E-Packet according to described processing mode.
2. method according to claim 1, 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 so, S4 step is then entered; If not, then S32 step is entered;
S32, judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
3. method according to claim 1, 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 so, S4 step is then entered; If not, described message is abandoned.
4. a message process device for super interface Label space, is characterized in that, this device realizes based on ASIC, and it comprises:
Network element, for receiving message;
Allocation units, for determining the super interface Label space that the incoming interface of described message is corresponding, wherein, the corresponding multiple different incoming interface of same super interface Label space; Described super interface Label space is that MPLS surpasses interface Label space, and interface is MPLS interface, and the label of different super interface Label space is separate;
Described allocation units are also for the incoming interface whether corresponding super interface Label space that judges described message;
If so, then query unit is entered;
If not, then the whether corresponding platform space of the incoming interface of described message is judged;
If so, then judge whether described message matches corresponding processing mode in platform space;
Then abandon described message if not; And
After described message matches corresponding processing mode in platform space, forward described message according to the processing mode matched; After described message does not match corresponding processing mode in platform space, abandon described message; Query unit, for mating the processing mode of described message in described super interface Label space;
Processing unit, for E-Packeting according to described processing mode.
5. device according to claim 4, is characterized in that, described query unit also for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If so, then processing unit is entered; If not, then judge whether described message matches corresponding processing mode in platform space; If so, then described message is forwarded according to the processing mode matched; If not, then described message is abandoned.
6. device according to claim 4, is characterized in that, described query unit also for:
Judge whether described message matches corresponding processing mode in described super interface Label space; If so, then processing unit is entered; If not, described message is abandoned.
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| CN104394077B (en) * | 2014-12-12 | 2017-11-28 | 盛科网络（苏州）有限公司 | Label lookup method and device based on hash algorithm |
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| CN101009705A (en) * | 2007-01-30 | 2007-08-01 | 华为技术有限公司 | Method and related device for attribute identification of data frame and extraction of the multicast identifier |
| CN101133607A (en) * | 2005-04-05 | 2008-02-27 | 思科技术公司 | Building multipoint-to-multipoint label switch paths |
| CN101656663A (en) * | 2008-08-20 | 2010-02-24 | 华为技术有限公司 | Method, device and system for forwarding MPLS multicast message |
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| FI20020791A (en) * | 2002-04-24 | 2003-10-25 | Nokia Corp | Procedures and systems for forwarding data units |
| US8811388B2 (en) * | 2008-11-14 | 2014-08-19 | Rockstar Consortium Us Lp | Service instance applied to MPLS networks |
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| CN101133607A (en) * | 2005-04-05 | 2008-02-27 | 思科技术公司 | Building multipoint-to-multipoint label switch paths |
| CN101009705A (en) * | 2007-01-30 | 2007-08-01 | 华为技术有限公司 | Method and related device for attribute identification of data frame and extraction of the multicast identifier |
| CN101656663A (en) * | 2008-08-20 | 2010-02-24 | 华为技术有限公司 | Method, device and system for forwarding MPLS multicast message |
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