CN105991443B - A kind of message processing method and device - Google Patents
A kind of message processing method and device Download PDFInfo
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- CN105991443B CN105991443B CN201510284349.7A CN201510284349A CN105991443B CN 105991443 B CN105991443 B CN 105991443B CN 201510284349 A CN201510284349 A CN 201510284349A CN 105991443 B CN105991443 B CN 105991443B
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Abstract
The present invention provides a kind of message processing method and device.First processor of the message processing method on the data plane of switching equipment, include: the first multicast service when the first processor when that will receive the first data message distribute to the switching equipment control plane on second processor when, judge the second processor whether will according to first data message learn the first multicast routing table item；When the second processor does not learn first multicast routing table item according to first data message, first data message is abandoned.The present invention can guarantee that switching equipment works normally.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of message processing methods and device.
Background technique
After processor on the data plane of switching equipment receives the data message of multicast service, if looked into the chips
Corresponding multicast routing table item is found, the data message received will be transferred according to the multicast routing table item found
It goes；Otherwise, the data message received the processor in the control plane of switching equipment will be distributed to handle.
For distributing to the multi-cast business data message of the processor processing in control plane, if switching equipment has three
Layer multicast functionality and three layers of multicast functionality it is in operating status, a small amount of number which can distribute at first according to certain multicast service
Come to carry out route table items study to the multicast service according to message, other data messages of the multicast service make discard processing.
When the data message for certain multicast service that switching equipment receives is very more, distributes to the processor and handled
The data message of the multicast service will be very more, but wherein most data messages processor directly abandons, not
Can be helpful to study multicast routing table item, cause the processor processing speed unnecessarily to reduce, multicast routing table item
Practising speed unnecessarily reduces, and influences the normal work of switching equipment.
Summary of the invention
In view of this, the present invention provides a kind of message processing method and device, to guarantee that switching equipment works normally.
Specifically, the present invention is achieved through the following technical solutions:
Specifically, the present invention is achieved through the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of message processing method is provided, the data for switching equipment are flat
First processor on face, comprising:
When the first data message of the first multicast service that the first processor waits for receive distributes to the exchange
When second processor in the control plane of equipment, judge whether the second processor will be according to the first datagram literature
Practise the first multicast routing table item；
When the second processor does not learn first multicast routing table item according to first data message, abandon
First data message.
According to a second aspect of the embodiments of the present invention, another message process device is provided, the data for switching equipment
First processor in plane, comprising:
First judging unit, the first datagram of the first multicast service for waiting for receive when the first processor
When text distributes to the second processor in the control plane of the switching equipment, judge whether the second processor will be according to institute
It states the first data message and learns the first multicast routing table item；
First discarding unit, for when the second processor is not according to described first group of first data message study
When broadcasting route table items, first data message is abandoned.
In the embodiment of the present invention, the processor on switching equipment data plane is waited for the data message of certain multicast service point
When processor in dispensing control plane is handled, if it is decided that the processor in control plane is not according to the datagram literature
Multicast routing table item is practised, then abandons the data message, is largely not required to so as to avoid the processor in control plane because abandoning
The data message to be used to learn multicast routing table item avoids influencing in control plane without necessarily reducing processing speed
Study of the processor to the multicast routing table item of other multicast services, ensure that the normal work of switching equipment.
Detailed description of the invention
Fig. 1 is one embodiment flow chart of message processing method of the present invention；
Fig. 2 is another embodiment flow diagram of message processing method of the present invention；
Fig. 3 is a kind of hardware structure diagram of equipment where message process device of the present invention；
Fig. 4 is one embodiment block diagram of message process device of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Present invention could apply to switching equipment.Switching equipment can have data plane and control plane.Data plane
It can be used for according to multicast routing table item come the data message of forwarding multicasting business；Control plane can be used for learning Multicast Routing
List item.Switching equipment can have three layers of multicast functionality.Three layers of multicast functionality may be at operating status, can also be not in fortune
Row state.When three layers of multicast functionality are in operating status, the processor on switching equipment data plane can pass through control
Processor in plane learns the multicast routing table item to multicast service, thus according to the multicast routing table item learnt to the group
The data message for broadcasting business carries out three-layer routing forwarding.
When the data message of multicast service reaches, switching equipment checks in chip the group for whether saving the multicast service
Route table items are broadcast, if saved, the data message forwarding can be gone out according to the multicast routing table item；It otherwise, can be with
The data message is distributed to the processor in control plane to handle.
If three layers of multicast functionality are in operating status, the processor controlled in plane can be according to the datagram of distribution
Text carries out the study of multicast routing table item to the multicast service, and after learning to multicast routing table item, the multicast that will learn
Route table items are sent in chip and save.In the prior art, the processor according to the multicast service distribute at first lack
Amount data message can be carried out the study of multicast routing table item, for other data messages of the multicast service, the processor
Directly abandon.If three layers of multicast functionality are not in operating status, which directly abandons the data message of distribution i.e.
It can.For distributing to the data message without being used to carry out multicast routing table item study of the processor, then unnecessarily take up
The process resource of the processor so that the processing speed of the processor unnecessarily reduces affects the processor to other
The study of the multicast routing table item of multicast service, to affect the normal work of switching equipment.
In the embodiment of the present invention, existed by the data message that will not be used to carry out multicast routing table item study for the processor
It is discarded before distributing to the processor, to be not required in the case where guaranteeing that the processor carries out multicast routing table item study
Will the processor check which data message needs to abandon and carries out corresponding discard processing, at the processor
Reason speed unnecessarily reduces, and ensure that the normal work of switching equipment.Combined with specific embodiments below to realization of the invention
Process is described in detail.
Fig. 1 is one embodiment flow chart of message processing method of the present invention, referring to Fig.1, at the message in the present embodiment
First processor of the reason method on the data plane of switching equipment, includes the following steps:
Step S101, when the first data message of the first multicast service that the first processor waits for receive is distributed to
When second processor in the control plane of the switching equipment, judge whether the second processor will be according to first number
Learn the first multicast routing table item according to message.
In the present embodiment, first processor and second processor such as central processing unit (Central Processing
Unit, CPU).The data message of same multicast service can carry identical Internet Protocol (Internet Protocol,
IP) group of addresses, the IP address group can be made of the source IP address and purpose IP address of data message.First processor and
Two processors can uniquely identify multicast service by IP address group.The IP that second processor can be carried based on data message
Group of addresses carries out the study of multicast routing table item to multicast service belonging to the data message.Chip can be by the IP address group
As index, the multicast routing table item of the multicast service is saved.When the data message of the multicast service reaches, at first
Reason device can check in chip the multicast path for whether saving the multicast service based on the IP address group that the data message carries
By list item.
When the data message P1 of multicast service F1 is reached, first processor can check the group whether is saved in chip
The multicast routing table item of business F1 is broadcast, if do not saved, can prepare data message P1 distributing to second processor
It handles, in this case, can determine it is by the data according to the distribution condition of data message before to second processor
Message P1 distributes to second processor and still abandons the data message.Specifically, available one section recently of first processor
The data message of the multicast service F1 of second processor is distributed in time T1 (with namely carrying the source IP of the multicast service
The data message of location and purpose IP address) number X.
Step S102, when the second processor does not learn first multicast routing table according to first data message
Xiang Shi abandons first data message.
If number X has reached M (such as 1), the data message of second processor distribution before is determined just
The study that multicast routing table item can be carried out for multicast service F1, then abandons data message P1, thus the datagram
Literary P1 will not be assigned to second processor.Wherein, the duration of T1 can be setting value, such as 1 second.
If number X does not reach M, second is distributed in the available nearest a period of time T2 of first processor
Number (the namely different IP addresses group of data message carrying of multicast service belonging to the data message that processor is handled
Number) Y, if number Y has reached N, by data message P1 abandon, so that data message P1 will not be assigned
To second processor, in this way, second processor multicast routing table item number to be learned is no more than N, to further mitigate
The processing load of second processor.Wherein, the duration of T2 can be setting value, such as 1 second.N can with default setting be 256, or
Person, before first processor executes step S101, the N value that user can configure according to interchanger model, and pass through at first
The user configuration interface for managing device inputs N value.Low-end switch can be set the N value smaller than 256, and middle and high end interchanger can be with
The N value larger than 256 is set.
If number Y does not reach N, showing second processor still has surplus energy to carry out multicast for multicast service F1
The study of route table items, therefore data message P1 is not abandoned, data message P1 can be according to processing in the prior art
Process is assigned to second processor.
User can also configure N value to preset particular value (such as 0) will not after then interchanger reads in the particular value
Execute step S101.
Using above-described embodiment, the processor on switching equipment data plane is waited for the data message of certain multicast service point
When processor in dispensing control plane is handled, if it is decided that the processor in control plane is not according to the datagram literature
Multicast routing table item is practised, then abandons the data message, is largely not required to so as to avoid the processor in control plane because abandoning
The data message to be used to learn multicast routing table item avoids influencing in control plane without necessarily reducing processing speed
Study of the processor to the multicast routing table item of other multicast services, ensure that the normal work of switching equipment.
Fig. 2 is another embodiment flow diagram of message processing method of the present invention.Referring to Fig. 2, in the present embodiment
Message processing method includes the following steps:
Step S201 receives the data message of certain multicast service.
In the present embodiment, switching equipment such as interchanger.After the speed limiting function starting of interchanger, the CPU on data plane
Obtain the configuration specification N that user is inputted by the user configuration interface of interchanger.It can be set according to different interchanger models
N value is determined, to meet the different demands that different model interchanger carries out multicast data message speed limit.Default at most distribution 256 in 1 second
The data message of a multicast service is to the CPU in Switch control plane.The value of dot, middle and high end can be set in low-end switch
A little bigger value can be set in interchanger.M can be set as 1.
Step S202 searches the multicast routing table item for forwarding the data message in the chips, if found, holds
Row step S203；Otherwise, step S204 is executed.
When the configuration specification N of reading is 0, show the speed limit without multi-cast business data message, at this time data plane
On CPU do not execute following step, but the data message is distributed into the CPU in control plane and is handled.
Step S203 forwards the data message by the multicast routing table item found.
Step S204 judges whether that the CPU for needing to distribute to the data message in control plane is handled, if
It is to then follow the steps S208；Otherwise, step S205 is executed.
Wherein, the CPU in exchange data plane can create N number of storage unit, distribute to control plane for storing
On the IP address group (including source IP address and purpose IP address) that carries of the data message of multicast service that is handled of CPU.
Wherein, same IP address group can only be stored in same storage unit, and the IP address group stored in different storage units is different.
When the data message of multicast service reaches interchanger, the CPU on data plane is parsed from the data message of arrival
IP address group out, and check whether the storage unit for being stored with the IP address group, if there is no being stored with the IP address
The storage unit of group is then searched whether there are free memory locations, (namely nearest if there is no idle storage unit
The number that multicast service belonging to the data message of the CPU processing in control plane is distributed in 1 second reaches N), then needing should
The CPU that data message distributes in control plane is handled (such as the study for carrying out multicast routing table item)；If there is sky
Not busy storage unit, the then CPU for not needing to distribute to the data message in control plane are handled.
It (is distributed in namely nearest 1 second in control plane if there is the storage unit for being stored with the IP address group
CPU processing reach 1) with the number of the data message of the multicast service, then it is flat to need to distribute to the data message control
CPU on face is handled.
The data message is distributed to the CPU in control plane by step S205.
The data message can be distributed to the CPU in control plane by the CPU on data plane, meanwhile, by the IP address
Group storage can star a timer into certain idle storage unit.Wherein, the overtime duration of timer can be set
It is 1 second, when the timer expires, the CPU on data plane can empty the storage unit, be allowed to become idle storage again
Unit, so as to the IP address group carried in the subsequent data message that can store other multicast services.
Step S206 controls the CPU in plane according to the source IP address and purpose IP address of the data message, carries out multicast
The study of route table items.
CPU in control plane can parse the IP address group from the data message, and based on the IP address group into
The study of row multicast routing table item.
The multicast routing table item learnt is sent to chip by step S207, the CPU controlled in plane.
After controlling the CPU study to multicast routing table item in plane, which can be sent to chip.
Chip can save the multicast routing table item according to the IP address group, after the CPU forwarding on data plane
The continuous data message for carrying the IP address group reached.
Step S208 abandons the data message.
Through this embodiment, the CPU on switching equipment data plane can carry out the limit of data message for multicast service
Speed processing, when switching equipment runs three layers of multicast functionality, control CPU in plane can Fast Learning to multicast routing table
, to make follow-up data message normally forward, so that switching equipment enters a benign job；When switching equipment does not have
When having three layers of multicast functionality of operation, does not have in the CPU in mass data message backlog to control plane and handle, so as to subtract
The processing load of CPU in light control plane, reduces the memory source occupied for storing data message, ensure that interchanger
Normal work.
Corresponding with the embodiment of preceding method, the present invention also provides the embodiments of device.
The embodiment of message process device provided by the invention can be applied in the equipment with hardware configuration, the equipment
It can be the network equipment or management server.The Installation practice can be by software realization, can also be by hardware or soft
The mode of combination of hardware is realized.It taking software implementation as an example, is by equipment where it as the device on a logical meaning
Computer program instructions corresponding in nonvolatile memory are read into memory what operation was formed by processor.From hardware view
For, as shown in figure 3, for a kind of hardware structure diagram of equipment where message process device of the present invention, in addition to processing shown in Fig. 3
Except device, network interface, memory and nonvolatile memory, the equipment in embodiment where message process device usually may be used also
To include other hardware, such as it is responsible for the forwarding chip of processing message, to being no longer shown specifically in this Fig. 3.
Fig. 4 is one embodiment block diagram of message process device of the present invention, reference Fig. 4, the Message processing in the present embodiment
First processor of the device on the data plane of switching equipment, including the first judging unit 401 and the first discarding unit
402；
Wherein, the first judging unit 401, the of the first multicast service for waiting for receive when the first processor
When one data message distributes to the second processor in the control plane of the switching equipment, whether the second processor is judged
It will learn the first multicast routing table item according to first data message；
First discarding unit 402, for when the second processor is not according to first data message study described the
When one multicast routing table item, first data message is abandoned.
In an optional implementation, first judging unit 401 may include:
Judgment sub-unit, for judging whether data message number reaches the first number, if reaching first number,
Then the second processor does not learn first multicast routing table item, otherwise, described second according to first data message
Processor will learn first multicast routing table item according to first data message, wherein the data message number is
The switching equipment distributes to the datagram of first multicast service of the second processor within nearest first time
The number of text.
In another optional implementation, described device can also include:
First acquisition unit, for when the second processor described first group will to be learnt according to first data message
When broadcasting route table items, multicast service number is obtained, wherein the multicast service number is the switching equipment nearest second
The number of multicast service belonging to the data message that the second processor is handled is distributed in time；
Second judgment unit, for judging whether the multicast service number reaches the second number；
Second discarding unit, for abandoning first data message when reaching second number.
Further, described device can also include:
Before obtaining the multicast service number for the first acquisition unit, it is logical to obtain user for second acquisition unit
Cross second number of the user configuration interface input of the switching equipment.
Further, described device can also include:
Third judging unit judges whether the second processor will be according to described for first judging unit 401
Before first data message learns the first multicast routing table item, judge whether second number is preset number；
First judging unit 401 is specifically used for not executing described when second number is the preset number
Judge whether the second processor will learn the first multicast routing table item according to first data message；When second number
When mesh is not the preset number, execution is described to judge whether the second processor will learn according to first data message
First multicast routing table item.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize the present invention program.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
As seen from the above-described embodiment, the processor on switching equipment data plane is waited for the data message of certain multicast service
The processor in control plane is distributed to when being handled, if it is decided that the processor in control plane is not according to the data message
Learn multicast routing table item, then abandon the data message, so as to avoid the processor in control plane because abandoning largely not
It needs the data message for learning multicast routing table item without necessarily reducing processing speed, avoids influencing in control plane
Study of the processor to the multicast routing table items of other multicast services, ensure that the normal work of switching equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (8)
1. a kind of message processing method, which is characterized in that for the first processor on the data plane of switching equipment, comprising:
When the first data message of the first multicast service that the first processor waits for receive distributes to the switching equipment
Control plane on second processor when, judge whether the second processor will learn the according to first data message
One multicast routing table item；
When the second processor does not learn first multicast routing table item according to first data message, described in discarding
First data message；
When the second processor will learn first multicast routing table item according to first data message, multicast is obtained
Business number, wherein the multicast service number is that the switching equipment distributes to described second within the second nearest time
The number of multicast service belonging to the data message that processor is handled；
Judge whether the multicast service number reaches the second number；
When reaching second number, first data message is abandoned.
2. the method according to claim 1, wherein described judge whether the second processor will be according to described
First data message learns the first multicast routing table item
Judge whether data message number reaches the first number, if reaching first number, the second processor is not
Learn first multicast routing table item according to first data message, otherwise, the second processor will be according to described the
One data message learns first multicast routing table item, wherein the data message number is the switching equipment nearest
First time in distribute to the second processor first multicast service data message number.
3. the method according to claim 1, wherein further include:
Before the acquisition multicast service number, the described of user configuration interface input of the user by the switching equipment is obtained
Second number.
4. the method according to claim 1, wherein further include:
It is described judge the second processor whether will according to first data message learn the first multicast routing table item before,
Judge whether second number is preset number；
When for the preset number, do not execute described judge whether the second processor will be according to first data message
Learn the first multicast routing table item；
When not being the preset number, execution is described to judge whether the second processor will be according to first data message
Learn the first multicast routing table item.
5. a kind of message process device, which is characterized in that for the first processor on the data plane of switching equipment, comprising:
First judging unit, the first data message point of the first multicast service for waiting for receive when the first processor
When second processor in the control plane of switching equipment described in dispensing, judge whether the second processor will be according to described
One data message learns the first multicast routing table item；
First discarding unit, for not learning first multicast path according to first data message when the second processor
When by list item, first data message is abandoned；
First acquisition unit, for when the second processor first multicast path will to be learnt according to first data message
When by list item, multicast service number is obtained, wherein the multicast service number is the switching equipment in the second nearest time
Inside distribute to the number of multicast service belonging to the data message that the second processor is handled；
Second judgment unit, for judging whether the multicast service number reaches the second number；
Second discarding unit, for abandoning first data message when reaching second number.
6. device according to claim 5, which is characterized in that first judging unit includes:
Judgment sub-unit, for judging whether data message number reaches the first number, if reaching first number, institute
It states second processor and first multicast routing table item, otherwise, the second processing is not learnt according to first data message
Device will learn first multicast routing table item according to first data message, wherein the data message number is described
Switching equipment distributes to the data message of first multicast service of the second processor within nearest first time
Number.
7. device according to claim 5, which is characterized in that further include:
Second acquisition unit before obtaining the multicast service number for the first acquisition unit, obtains user and passes through institute
State second number of the user configuration interface input of switching equipment.
8. device according to claim 7, which is characterized in that further include:
Third judging unit judges whether the second processor will be according to first data for first judging unit
Before message learns the first multicast routing table item, judge whether second number is preset number；
First judging unit is specifically used for not executing described in the judgement when second number is the preset number
Whether second processor will learn the first multicast routing table item according to first data message；When second number is not institute
When stating preset number, execution is described to judge whether the second processor will learn the first multicast according to first data message
Route table items.
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| CN101789905A (en) * | 2010-02-05 | 2010-07-28 | 杭州华三通信技术有限公司 | Method and equipment for preventing unknown multicast from attacking CPU (Central Processing Unit) |
| CN103166867A (en) * | 2011-12-19 | 2013-06-19 | 迈普通信技术股份有限公司 | Fluid control method and device |
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| CN101789905A (en) * | 2010-02-05 | 2010-07-28 | 杭州华三通信技术有限公司 | Method and equipment for preventing unknown multicast from attacking CPU (Central Processing Unit) |
| CN103166867A (en) * | 2011-12-19 | 2013-06-19 | 迈普通信技术股份有限公司 | Fluid control method and device |
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