CN102932262B - Network processing unit mirror image implementing method and network processing unit - Google Patents
Network processing unit mirror image implementing method and network processing unit Download PDFInfo
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- CN102932262B CN102932262B CN201110229672.6A CN201110229672A CN102932262B CN 102932262 B CN102932262 B CN 102932262B CN 201110229672 A CN201110229672 A CN 201110229672A CN 102932262 B CN102932262 B CN 102932262B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The present invention relates to a kind of network processing unit mirror image implementing method and network processing unit, its method includes：Network processing unit obtains the heading for the original message for entering buffer unit from source port, and original message is assigned a call number；Call number is carried in heading and is sent into micro engine unit；Microcode processing is carried out to heading, and obtains the outlet information of mirror image from default mirror list according to call number；Original message in buffer unit and the heading after microcode processing are linked to form mirror image message again, the mirror port indicated from the outlet information of mirror image is sent.The present invention realizes the forwarding of mirror image message using existing message forwarding process, and the repeating process of its mirror image message is flexible, general, has stronger application, and can save system resource and cost.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of network processing unit mirror image implementing method and network processes
Device.
Background technology
With the rapid development of network technology, the growth of network traffics and the appearance of new business, to the line of the network equipment
Fast, flexible disposal ability proposes higher requirement.Network processing unit by its high speed forward performance, reliability and flexibly
Programmability, it has also become the effective solution of network data processing at present.
Data image is a common function of the network equipment, and its principle is by the data flow or symbol of a physical port
The specific stream for closing certain rule is copied in the monitoring port that another is specified, wherein, the data flow replication of physical port is arrived
It is referred to as Port Mirroring in another monitoring port specified；The specific stream for meeting certain rule is copied into another monitoring specified
It is referred to as traffic mirroring on port.The data for being mirrored port can be obtained in monitoring port by mirror image, to carry out network flow
Measure analysis, error diagnosis etc..
The repeating process of existing mirror image message needs to realize by complex hardware, thereby increases system and provide
Source and cost.
The content of the invention
It is a primary object of the present invention to provide a kind of network processing unit mirror image implementing method and network processing unit, it is intended to drop
Low system resource and cost.
In order to achieve the above object, the present invention proposes a kind of network processing unit mirror image implementing method, including：
Network processing unit obtains the heading for the original message for entering buffer unit from source port, the original message distribution
There is a call number；The call number is carried in the heading and is sent into micro engine unit；
Microcode processing is carried out to the heading, and going out for mirror image is obtained from default mirror list according to the call number
Message ceases；
Original message in the buffer unit and the heading after microcode processing are linked to form mirror image message again, from
The mirror port of the outlet information instruction of the mirror image is sent.
Preferably, the network processing unit obtains the step of heading for the original message for entering buffer unit from source port
Also include before：
Network processing unit receives the original message from source port and is stored in the buffer unit, and is the original message point
With the call number；
The heading of a original message is replicated, and the call number is carried in the heading of the duplication and sent
Enter micro engine unit；
The outlet information of the mirror image is obtained by inquiring about port table or accesses control list；
The outlet information of the mirror image is stored in the default mirror list by storage call number of the call number.
Preferably, it is described to be carried on call number in the heading of the duplication after the step of being sent into micro engine unit also
Including：
Microcode processing is carried out to the heading of the duplication；
Heading after microcode is handled is sent into the buffer unit；
Original message in the buffer unit and the heading after microcode processing are linked to form purpose message again, from
Destination interface is sent.
Preferably, the outlet information of the mirror image includes mirror port number corresponding to the mirror image message.
Preferably, the port table or accesses control list include the corresponding relation of the source port and mirror port.
Preferably, the mirror list, port table and accesses control list are stored in internal or external memory.
The present invention also proposes a kind of network processing unit for realizing mirror image, including：
Buffer unit, for obtaining the heading for the original message for entering the buffer unit from source port, the original report
Text is assigned a call number；
Micro engine unit, for receiving from the buffer unit and carrying the heading of the call number, to described
Heading carries out microcode processing；And the outlet information of mirror image is obtained from default mirror list according to the call number；
Transmitting element, for the original message in the buffer unit and the heading after microcode processing to be linked into shape again
Message is mirrored into, the mirror port indicated from the outlet information of the mirror image is sent.
Preferably, the buffer unit, it is additionally operable to receive the original message from source port and preserves, be the original report
Text distributes the call number；The heading of a original message is replicated, and the call number is carried on the duplication
Micro engine unit is sent into heading；
The micro engine unit, it is additionally operable to go out message by inquire about that port table or accesses control list obtain the mirror image
Breath；The outlet information of the mirror image is stored in the default mirror list by storage call number of the call number.
Preferably, the micro engine unit, it is additionally operable to carry out microcode processing to the heading of the duplication；Microcode is handled
Heading afterwards is sent into the buffer unit；
The transmitting element, it is additionally operable to the heading after handling the original message in the buffer unit and microcode again
Link forms purpose message, is sent from destination interface.
Preferably, the outlet information of the mirror image includes mirror port number corresponding to the mirror image message；The port table
Or accesses control list includes the corresponding relation of the source port and mirror port.
A kind of network processing unit mirror image implementing method and network processing unit proposed by the present invention, forwarded using existing message
Flow realizes the forwarding of mirror image message, in repeating process of the original message from source port to destination interface, passes through micro engine list
Member carries out microcode processing to heading, inquires about port table or accesses control list obtains the outlet information of mirror image, and corresponding message
The buffer unit that head carries is the call number of its distribution, and the outlet information of the mirror image of acquisition is stored in default mirror list,
When needing to carry out mirror image forwarding to original message, the heading for replicating a original message again is sent into micro engine unit progress
Microcode processing, but do not change the content of heading, corresponding mirror image is then obtained from default mirror list according to call number
Outlet information, after original message is linked again with the heading for carrying outlet information, sent out from corresponding mirror port
Go, so as to realize the forwarding of mirror image message, the repeating process of mirror image message of the present invention is flexible, general, has stronger application,
And system resource and cost can be saved.
Brief description of the drawings
Fig. 1 is the structure and message forwarding schematic diagram of existing network processing unit；
Fig. 2 is the embodiment schematic flow sheet of inventive network processor mirror image implementing method one；
Fig. 3 is another embodiment schematic flow sheet of inventive network processor mirror image implementing method；
Fig. 4 is the example structure schematic diagram of network processing unit one that the present invention realizes mirror image.
In order that technical scheme is clearer, clear, it is described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention is mainly：The forwarding of mirror image message is realized using existing message forwarding process,
In repeating process of the original message from source port to destination interface, microcode processing is carried out to heading by micro engine unit,
Inquire about port table or accesses control list obtains the outlet information of mirror image, and the buffer unit that corresponding heading carries distributes for it
Call number, the outlet information of the mirror image of acquisition is stored in default mirror list, when need to original message carry out mirror image
During forwarding, the heading for replicating a original message again is sent into micro engine unit progress microcode processing, but does not change heading
Content, the outlet information of corresponding mirror image is then obtained from default mirror list according to call number, by original message and is taken
After heading with outlet information links again, sent from corresponding mirror port, to save system resource and cost.
Specifically, in order to realize the forwarding of mirror image message, the present invention carries out original message in existing network processing unit
On the basis of forwarding process, the call number that buffer unit is original message distribution and the outlet information for memory image are introduced
Mirror list.
As shown in figure 1, Fig. 1, which is the structure of existing network processing unit and message, forwards schematic diagram.Existing original message
Repeating process in network processing unit is：
1., original message enters network processing unit to step from source physical port, packet buffer unit is initially entered, in message
One piece of buffer zone is distributed in buffer unit；
2., copy packet head enters the micro engine of network processing unit to step from original message；
3., heading is handled step by the microcode of micro engine, and amended heading comes out from micro engine, reentered
Packet buffer unit；
4. step, takes out original message from buffer unit, with forming new message after new heading restructuring, be sent to
Destination interface.
As shown in Fig. 2 one embodiment of the invention proposes a kind of network processing unit mirror image implementing method, including：
Step S101, network processing unit obtain the heading for the original message for entering buffer unit from source port, original report
Text is assigned a call number；Call number is carried in heading and is sent into micro engine unit；
Wherein, original message initially enters the buffer unit in network processing unit after source port enters network processing unit,
Buffer unit is assigned a call number for it.
In order to realize that the mirror image of original message is forwarded, it is necessary to which the mirror image for obtaining the original message and needing to forward goes out message
Breath, such as mirror port number, the outlet information of above-mentioned image are pre-stored within a default mirror list, deposited in the mirror list
Contain call number of the original message in buffer unit and the corresponding relation of the mirror port number of the original message.Mirror list can be with
It is stored in the internal storage of network processing unit, can be also stored in the external memory storage outside network processing unit.
The mirror in the default mirror list can be inquired to the microcode processing procedure of original message by micro engine unit
The outlet information of picture.
Call number is carried in heading by the present embodiment, is sent into micro engine unit；So as to subsequently through micro engine unit
And call number inquires about mirror list, the outlet information of corresponding mirror image is obtained.
Step S102, microcode processing is carried out to heading, and mirror image is obtained from default mirror list according to call number
Outlet information；
Micro engine unit to from buffer unit heading carry out microcode processing, according to heading carry call number from
The outlet information of mirror image is obtained in default mirror list.Afterwards, the heading for the outlet information for carrying mirror image is back to slow
Memory cell, due to being that the mirror image of original message is forwarded, heading carries out not changing during microcode processing in micro engine unit
Content, it is only for obtain the outlet information of mirror image.
Step S103, the original message in buffer unit and the heading after microcode processing are linked to form mirror image report again
Text, the mirror port indicated from the outlet information of mirror image are sent.
Carry the outlet information of mirror image heading enter buffer unit after, network processing unit is by the original in buffer unit
Beginning message links to form mirror image message again with the heading after microcode processing, the mirror port indicated from the outlet information of mirror image
Send, it is achieved thereby that the mirror image forwarding of original message.
As shown in figure 3, another embodiment of the present invention proposes a kind of network processing unit mirror image implementing method, with above-described embodiment
Difference be, the present embodiment realize original message mirror image forward while, can also realize original message from source port to
The normal forwarding of destination interface.This method specifically includes：
Step S201, network processing unit receives original message deposit buffer unit from source port, and is distributed for original message
One call number；
Original message initially enters buffer unit and cached, buffer unit is after source port enters network processing unit
It distributes a call number, as the unique mark that mirror port number corresponding to original message is inquired about subsequently from mirror list.
Step S202, the heading of a original message is replicated, and call number is carried in the heading of duplication and is sent into
Micro engine unit；
The normal forwarding of original message is forwarding process from source port to destination interface, step S208 as described below, step
Rapid S209 and step S310.The forwarding process of mirror image message then enters following step S203.
Step S203, the outlet information of mirror image is obtained by inquiring about port table or accesses control list；
Wherein, the outlet information of mirror image includes the mirror port number of original message mirror image forwarding.Port table corresponding end mouth mirror
The scene of picture, accesses control list correspond to the scene of traffic mirroring.Port table or accesses control list include source port and mirror image end
The corresponding relation of mouth.
If necessary to carry out Port Mirroring, micro engine is when the heading to duplication carries out microcode processing, by inquiring about end
Oral thermometer obtains the outlet information of mirror image；If necessary to carry out traffic mirroring, micro engine carries out microcode processing in the heading to duplication
When, pass through the outlet information of queried access control list acquisition mirror image.
Inquiry port table and accesses control list can be stored in the internal storage of network processing unit, can be also stored in
In external memory storage outside network processing unit.
Step S204, the outlet information of mirror image is stored in default mirror list by storage call number of call number；
The outlet information of the mirror image of acquisition is stored in default mirror list, it is that original message is delaying that it, which deposits call number,
The call number deposited in memory cell.
Above-mentioned image table reflects the mirror port number of call number of the original message in buffer unit and the original message
Corresponding relation.Mirror list can be stored in the internal storage of network processing unit, can be also stored in outside network processing unit
External memory storage in.
Step S205, network processing unit replicate the message of a original message for entering buffer unit from source port again
Head, the call number of original message is carried in heading and is sent into micro engine unit；
When needing Port Mirroring or traffic mirroring, network processing unit selects to need the original report of mirror image from buffer unit
Text, the heading of a original message is replicated again, and the call number that buffer unit is original message distribution is carried on report
Micro engine unit is sent into literary head.
Step S206, microcode processing is carried out to heading, and mirror image is obtained from default mirror list according to call number
Outlet information；
Micro engine unit carries out microcode processing to the heading from buffer unit, due to being in mirror image message forwarding process
Microcode processing, this microcode processing procedure do not change the content of heading, but by the call number that heading carries from default
Mirror list in obtain mirror image outlet information.
Step S207, the original message in buffer unit and the heading after microcode processing are linked to form mirror image report again
Text, the mirror port indicated from the outlet information of mirror image are sent.
After the outlet information for obtaining the mirror image of original message, network processing unit will treat the original report of mirror image in buffer unit
Text is linked to form mirror image message again with the heading after microcode processing, and the mirror port indicated from the outlet information of mirror image is sent
Go out.
In addition, as normal forwarding process of the original message from source port to destination interface, the present embodiment is in step S202
Also include afterwards：
Step S208, microcode processing is carried out to the heading of duplication；
Step S209, the heading after microcode is handled are sent into buffer unit；
Step S310, the original message in buffer unit and the heading after microcode processing are linked to form purpose report again
Text, sent from destination interface.
Above-mentioned steps S208, step S209 and step S310 are identical with the normal forwarding process of existing original message,
This is not described further.
The present embodiment realizes the mirror image forwarding of original message, while also achieves original message from source port to destination
The normal forwarding of mouth, makes full use of existing message forwarding process to realize the forwarding of mirror image message, and mirror image message is forwarded over
Journey is flexible, general, has stronger application, greatlys save system resource and cost.
As shown in figure 4, one embodiment of the invention proposes a kind of network processing unit for realizing mirror image, including：Buffer unit
301st, micro engine unit 302 and transmitting element 303, wherein：
Buffer unit 301, it is original for obtaining the heading for the original message for entering the buffer unit 301 from source port
Message is assigned a call number；
Micro engine unit 302, for receiving from buffer unit 301 and carrying the heading of call number, to heading
Carry out microcode processing；And the outlet information of mirror image is obtained from default mirror list according to call number；
Transmitting element 303, for the original message in buffer unit 301 and the heading after microcode processing to be linked again
Mirror image message is formed, the mirror port indicated from the outlet information of mirror image is sent.
Further, in normal repeating process of the original message from source port to destination interface, buffer unit 301 is additionally operable to
Original message is received from source port and is preserved, and is original message distribution index number；The heading of a original message is replicated, and will
Call number is carried on feeding micro engine unit 302 in the heading of duplication；
Micro engine unit 302, it is additionally operable to obtain the outlet information of mirror image by inquiring about port table or accesses control list；With
The outlet information of mirror image is stored in default mirror list by call number for storage call number.
Meanwhile micro engine unit 302 is additionally operable to carry out microcode processing to the heading of duplication；Message after microcode is handled
Head is sent into buffer unit 301；
Transmitting element 303 is additionally operable to the chain again of the heading after handling the original message in buffer unit 301 and microcode
Connect to form purpose message, sent from destination interface.
Network processing unit carries out the principle of work and power of mirror image message forwarding in the present embodiment described further below：
Original message is initially entered in network processing unit after the source port of network processing unit enters network processing unit
Buffer unit 301, buffer unit 301 are that original message distributes a call number, as the follow-up outlet information for searching mirror image only
One mark.
Afterwards, original message obtains the outlet information of mirror image by its normal forwarding process for the forwarding of mirror image message.
Specifically, buffer unit 301 replicates the heading of a original message, and by original message in buffer unit 301
Call number carry micro engine unit 302 be sent into above-mentioned heading, micro engine unit 302 carries out micro- to the heading of entrance
Code processing, as the normal forwarding process of original message, micro engine unit 302 will change the content of heading, and by microcode
Heading after reason sends buffer unit 301 back to, and transmitting element 303 is by the original message in buffer unit 301 with passing through at microcode
Heading after reason forms final message after linking again, sent from destination interface.
Wherein, it is that microcode processing procedure is carried out to heading in micro engine unit 302 to the acquisition of destination interface information
In, by inquire about MAC table two layers of original message (corresponding forwarding) or routing table (three layers of forwarding of corresponding original message) come
Realize.This process belongs to prior art, is not described in detail here.
The present embodiment micro engine unit 302 to heading carry out microcode processing during, by inquire about port table or
Accesses control list, obtains the outlet information of the mirror image of original message, and the outlet information of mirror image includes mirror corresponding to mirror image message
As port numbers.Above-mentioned port table or accesses control list include the corresponding relation of source port and mirror port.Wherein, port table pair
The scene of Port Mirroring is answered, accesses control list corresponds to the scene of traffic mirroring.
The outlet information of the mirror image of inquiry is stored in default mirror list by micro engine unit 302, and with original message
The call number that the call number stored in buffer unit 301 stores as the outlet information of mirror image in above-mentioned image table.
When needing mirror image, the heading of a original message is replicated again in buffer unit 301, and original message is existed
Call number in buffer unit 301 is carried on feeding micro engine unit 302 in heading, by micro engine unit 302 to message
The microcode processing of head, obtain the outlet information of the corresponding mirror image in mirror list.Due to being the repeating process of mirror image message, now
Microcode processing of the micro engine unit 302 to heading can't change the content of heading, but be handled by microcode, with index
Number for inquiry mark, the outlet information of mirror image is obtained from mirror list, and the outlet information of mirror image is carried in heading and returned
Return buffer unit 301.
Finally, the heading after being handled the original message in buffer unit 301 and microcode by transmitting element 303 is again
Link forms mirror image message, and the mirror port indicated from the outlet information of mirror image is sent.
Network processing unit of embodiment of the present invention mirror image implementing method and network processing unit, utilize existing message forwarding process
The forwarding of mirror image message is realized, in repeating process of the original message from source port to destination interface, passes through micro engine unit pair
Heading carries out microcode processing, inquires about port table or accesses control list obtains the outlet information of mirror image, and corresponding heading is taken
The buffer unit of band is the call number of its distribution, and the outlet information of the mirror image of acquisition is stored in default mirror list, when need
When carrying out mirror image forwarding to original message, the heading for replicating a original message again is sent into micro engine unit progress microcode
Processing, but do not change the content of heading, the outlet of corresponding mirror image is then obtained from default mirror list according to call number
Information, after original message is linked again with the heading for carrying outlet information, sent from corresponding mirror port, from
And the forwarding of mirror image message is realized, the repeating process of mirror image message of the present invention is flexible, general, has stronger application, and can
Save system resource and cost.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
Equivalent structure or the flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of 1. network processing unit mirror image implementing method, it is characterised in that including：Network processing unit obtains the heading for the original message for entering buffer unit from source port, and the original message is assigned one Call number；The call number is carried in the heading and is sent into micro engine unit；Microcode processing is carried out to the heading, and in the content for do not change during microcode processing the heading, and according to The call number obtains the outlet information of mirror image from default mirror list；The heading for the outlet information for carrying mirror image is back to the buffer unit；Original message in the buffer unit and the heading after microcode processing are linked to form mirror image message again, from described The mirror port of the outlet information instruction of mirror image is sent.
- 2. according to the method for claim 1, it is characterised in that the network processing unit, which is obtained from source port, enters caching list Also include before the step of heading of the original message of member：Network processing unit receives the original message from source port and is stored in the buffer unit, and distributes institute for the original message State call number；Replicate the heading of a original message, and the call number is carried in the heading of the duplication be sent into it is micro- Engine unit；The outlet information of the mirror image is obtained by inquiring about port table or accesses control list；The outlet information of the mirror image is stored in the default mirror list by storage call number of the call number.
- 3. according to the method for claim 2, it is characterised in that described to be carried on call number in the heading of the duplication Also include after the step of being sent into micro engine unit：Microcode processing is carried out to the heading of the duplication；Heading after microcode is handled is sent into the buffer unit；Original message in the buffer unit and the heading after microcode processing are linked to form purpose message again, from purpose Port is sent.
- 4. according to the method described in claim 1,2 or 3, it is characterised in that the outlet information of the mirror image includes the mirror image Mirror port number corresponding to message.
- 5. according to the method in claim 2 or 3, it is characterised in that the port table or accesses control list are including described The corresponding relation of source port and mirror port.
- 6. according to the method for claim 5, it is characterised in that the mirror list, port table and accesses control list storage In internal or external memory.
- A kind of 7. network processing unit for realizing mirror image, it is characterised in that including：Buffer unit, for obtaining the heading for the original message for entering the buffer unit from source port, the original message point Equipped with a call number；Micro engine unit, for receiving from the buffer unit and carrying the heading of the call number, to the message Head carries out microcode processing, and in the content for do not change during microcode processing the heading, and according to the call number from pre- If mirror list in obtain mirror image outlet information；The micro engine unit is additionally operable to the heading for carrying the outlet information of mirror image being back to the buffer unit；Transmitting element, for linking to form mirror the original message in the buffer unit and the heading after microcode processing again As message, the mirror port indicated from the outlet information of the mirror image is sent.
- 8. network processing unit according to claim 7, it is characterised in thatThe buffer unit, it is additionally operable to receive the original message from source port and preserves, for described in original message distribution Call number；The heading of a original message is replicated, and the call number is carried in the heading of the duplication and sent Enter micro engine unit；The micro engine unit, it is additionally operable to obtain the outlet information of the mirror image by inquiring about port table or accesses control list； The outlet information of the mirror image is stored in the default mirror list by storage call number of the call number.
- 9. network processing unit according to claim 8, it is characterised in thatThe micro engine unit, it is additionally operable to carry out microcode processing to the heading of the duplication；Heading after microcode is handled It is sent into the buffer unit；The transmitting element, it is additionally operable to again link the original message in the buffer unit and the heading after microcode processing Purpose message is formed, is sent from destination interface.
- 10. network processing unit according to claim 8 or claim 9, it is characterised in that the outlet information of the mirror image includes described Mirror port number corresponding to mirror image message；The port table or accesses control list include pair of the source port and mirror port It should be related to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110229672.6A CN102932262B (en) | 2011-08-11 | 2011-08-11 | Network processing unit mirror image implementing method and network processing unit |
| PCT/CN2012/078200 WO2013020429A1 (en) | 2011-08-11 | 2012-07-04 | Network processor mirror implementation method and network processor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110229672.6A CN102932262B (en) | 2011-08-11 | 2011-08-11 | Network processing unit mirror image implementing method and network processing unit |
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| CN102932262B true CN102932262B (en) | 2018-02-16 |
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| CN105700859A (en) * | 2014-11-25 | 2016-06-22 | 中兴通讯股份有限公司 | Network-processor-based hardware table traversal method and apparatus |
| CN105141546A (en) * | 2015-07-06 | 2015-12-09 | 浪潮集团有限公司 | Method for reducing FIFO (first input first output) overhead in data forwarding process |
| CN107438035B (en) * | 2016-05-25 | 2021-11-12 | 中兴通讯股份有限公司 | Network processor, network processing method and system, and single board |
| CN109120533A (en) * | 2018-11-19 | 2019-01-01 | 迈普通信技术股份有限公司 | A kind of file transmitting method and routing device |
| CN111901255A (en) * | 2020-06-10 | 2020-11-06 | 中国电信股份有限公司重庆分公司 | Method and device for fast packet mirror forwarding of network equipment |
| CN112953949B (en) * | 2021-03-01 | 2023-01-06 | 恒安嘉新（北京）科技股份公司 | Message header processing method, device, equipment and storage medium of network message |
| CN113507415B (en) * | 2021-05-31 | 2022-11-18 | 新华三信息安全技术有限公司 | Table item processing method and device |
| CN114095513B (en) * | 2021-11-26 | 2024-03-29 | 苏州盛科科技有限公司 | Method for forwarding traffic and mirror image traffic scheduling under limited bandwidth scene and application |
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2011
- 2011-08-11 CN CN201110229672.6A patent/CN102932262B/en active Active
-
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