CN106470166A - A kind for the treatment of method and apparatus of data communication message - Google Patents
A kind for the treatment of method and apparatus of data communication message Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L47/00—Traffic control in data switching networks
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- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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Abstract
The invention discloses a kind of processing method of data communication message, including：The data communication message receiving is split, obtains multiple frames segmentation block (FCB)；After multiple FCB are carried out with load distribution, carry out parallel processing；Multiple FCB after parallel processing are recombinated.The invention also discloses a kind of processing meanss of data communication message.
Description
Technical Field
The present invention relates to a message processing technology, and in particular, to a method and an apparatus for processing a data communication message.
Background
Data communication equipment usually takes a data packet as a minimum processing unit, and the processing performance of the equipment is usually based on the data packet, so that the throughput of the equipment is different based on different message lengths. Among bandwidth indexes transmitted by the ethernet line, basically, the bandwidth index is a bandwidth index in units of data bits (bits); the relationship between the bit bandwidth indicator and the data packet bandwidth indicator is:
defining the data bit bandwidth index as X bps (bit per second), the data packet bandwidth index as Y pps (packet per second), and the Frame Length as bytes, then: y ═ X/(8 × (Frame Length + 20)).
The processing capacity of the data communication device is different for the same size data packet if the frame length is different, thereby causing the device to bring more bottleneck effect in the practical use of the Ethernet.
For devices in the packet forwarding class, such as switches, routers, etc., only the header of the data packet, i.e., the ethernet header and the IP header, is usually processed, the processing performance of such devices is measured by the number of packets that can be processed in a unit time, and the number of packets to be measured is relatively fixed. Similarly, the traditional firewall only processes the 2-4 layer content of the message, and the number of messages in unit time according to which the processing performance is measured is relatively fixed. Therefore, the throughput of the devices can be greatly different for messages with different lengths. When the message length is small, the throughput of the device is greatly reduced.
In addition, the device related to content security needs to perform deep analysis and scanning on the application layer of the message, on one hand, the processing content is increased, and only the message header is processed to be changed into the processing of all the content of the message; on the other hand, the processing intensity is increased, and the simple forwarding is changed into more complex operations such as content filtering, feature library matching and the like. Under the condition, the influence of different frame lengths of the data packets on the performance of the processor is obvious, the load of the processor is greatly increased when the frame length is longer, the processing performance is seriously reduced, the data packets become bottlenecks in the network, and even the network is broken down.
Disclosure of Invention
In order to solve the technical problem existing in the prior art, embodiments of the present invention provide a method and an apparatus for processing a data communication packet.
The embodiment of the invention provides a method for processing a data communication message, which comprises the following steps:
segmenting the received data communication message to obtain a plurality of frame segmentation blocks FCB;
after the plurality of FCBs are subjected to load distribution, parallel processing is carried out;
and recombining the plurality of FCBs after parallel processing.
In the above scheme, the segmenting the received data communication packet includes:
analyzing the data communication message, and dividing the data communication message into a plurality of FCBs according to fields in the data communication message and a preset division rule;
each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
In the foregoing solution, the reassembly information of the FCB includes: the original message ID to which the FCB belongs, and the offset address of the FCB.
In the foregoing solution, the recombining the plurality of FCBs after parallel processing includes:
and according to the original message ID and the offset address carried by each FCB after parallel processing, recombining the FCBs with the same original message ID according to the respective offset addresses to obtain a recombined data communication message.
In the foregoing solution, the performing parallel processing after the load distribution is performed on the multiple FCBs includes:
and performing load distribution on the FCBs according to a preset load distribution strategy, distributing the FCBs to a plurality of parallel service processing units, and processing the FCBs received by the service processing units in parallel.
The embodiment of the present invention further provides a device for processing a data communication packet, including:
a message segmentation unit, configured to segment a received data communication message to obtain a plurality of frame segmentation blocks FCB;
a load distribution unit, configured to perform load distribution on the plurality of FCBs, and distribute the plurality of FCBs to a plurality of traffic processing units;
a service processing unit, configured to perform parallel processing on the received FCBs after the load distribution;
and the recombination unit is used for recombining the FCBs subjected to parallel processing.
In the foregoing solution, the packet segmentation unit is further configured to parse the data communication packet, and segment the data communication packet into a plurality of FCBs according to a preset segmentation rule and according to a field inside the data communication packet.
Each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
In the foregoing solution, the reassembly information of the FCB includes: the original message ID to which the FCB belongs, and the offset address of the FCB.
In the foregoing solution, the reassembly unit is further configured to, according to the original packet ID and the offset address carried by each FCB after the parallel processing, reassemble the multiple FCBs with the same original packet ID according to their respective offset addresses, so as to obtain a reassembled data communication packet.
In the foregoing solution, the load distribution unit is further configured to perform load distribution on the multiple FCBs according to a preset load distribution policy, and distribute the multiple FCBs to multiple parallel service processing units.
The plurality of service processing units are further configured to process the FCBs received by the respective service processing units in parallel, and provide the FCBs processed in parallel to the reassembly unit.
The method and the device for processing the data communication message provided by the embodiment of the invention adopt a mechanism which is different from a traditional network processor and takes a message or a Frame as a minimum processing unit, divide the data communication message into smaller data units FCBs (Frame Cut blocks) according to the practical application condition, and perform parallel processing on a plurality of FCBs by a data communication device and recombine the plurality of FCBs after the parallel processing. Because the processing performance of the data communication equipment on the FCB is fixed, in a forwarding scene, the data communication equipment has fixed throughput no matter what the frame length of a data communication message is; in the deep processing scenario, one data communication packet can be divided into a plurality of FCBs for parallel processing, so that the processing performance is greatly improved.
Drawings
Fig. 1 is a first schematic flow chart of a method for processing a data communication packet according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a processing method of a data communication packet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for processing a data communication packet according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
The method and the device for processing the data communication message provided by the embodiment of the invention adopt a mechanism which is different from the traditional network processor and takes a data packet as a minimum processing unit, and divide the data communication message into smaller data unit Frame division blocks (FCB, Frame Cut Block) according to the practical application condition; the processing of the data packet in the embodiment of the present invention is based on the divided FCB as a unit, which is different from the processing in the prior art that uses the data packet as the minimum processing unit.
Example one
As shown in fig. 1, a method for processing a data communication packet according to an embodiment of the present invention mainly includes the following steps:
step 101, segmenting the received data communication message to obtain a plurality of FCBs.
The device for implementing the first embodiment of the present invention includes a device of a packet forwarding class (such as a switch, a router, etc.), a device of a packet parsing and scanning class, etc., and the device to which the first embodiment of the present invention is applied is not limited thereto, and the embodiment of the present invention is not limited thereto.
Specifically, step 101 may be implemented in the following manner:
analyzing the data communication message, and dividing the data communication message into a plurality of FCBs according to fields in the data communication message and a preset division rule;
each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
Data communication messages are usually encapsulated according to a certain communication protocol, and the fields inside the data communication messages refer to the protocol fields of the data communication messages encapsulated according to the communication protocol, such as: ethernet headers, IP headers, HTTP headers, payload fields, and the like.
The reassembly information of the FCB includes: an original message ID of the FCB and an offset address of the FCB; the original packet ID to which the FCB belongs is used to identify the ID of the original packet to which each FCB belongs, that is, to indicate which original packet each FCB is partitioned from; the FCB offset address is used to identify the offset location of each FCB in the original message to which it belongs. Thus, after distributing the corresponding original message ID and offset address to each divided FCB, when executing message reassembly, it can be known that the FCBs with the same original message ID are used to form a data message, and with the offset addresses of the FCBs, the FCBs used to form a data message can be assembled in sequence to finally form an effective data message.
The subsequent processing information is used as a basis for processing the FCB by parallel processing, and means that the subsequent processing information indicates a type of processing or specific content to be performed, such as keyword filtering, feature scanning, and the like. For example: when the subsequent processing information is used for indicating that the subsequent parallel processing is the keyword filtering, then according to the indication of the subsequent processing information, the subsequently executed parallel processing is actually the parallel execution keyword filtering operation; when the subsequent processing information is used to indicate that the subsequent parallel processing is a feature scan, then the subsequently executed parallel processing is actually a parallel execution feature scan operation, as indicated by the subsequent processing information.
It should be noted that, the FCB partitioning rule according to the embodiment of the present invention may be set according to actual needs, and the size of each FCB obtained by partitioning is not particularly limited in the embodiment of the present invention, and the sizes of different FCBs obtained by partitioning may be the same or different according to actual needs. For example: when the content of the data packet needs to be filtered, the embodiment of the present invention may partition the data packet by using a rule of partitioning according to a length of 64 bytes, that is, the data packet is partitioned by FCBs of 64 bytes, and the size of each FCB obtained by partitioning is 64 bytes.
Step 102, after the load distribution is performed on the plurality of FCBs, parallel processing is performed.
Step 102 may be specifically implemented as follows:
and performing load distribution on the FCBs according to a preset load distribution strategy, distributing the FCBs to a plurality of parallel service processing units, and processing the FCBs received by the service processing units in parallel.
The preset load distribution policy may be a polling-based load distribution policy, a hash-based load distribution policy, or the like. The load distribution strategy based on polling refers to alternate distribution, and FCBs needing to be processed are alternately distributed to idle service processing units; the load distribution strategy based on the Hash is to extract FCB (FCB) features key, calculate the Hash (f) (key) according to the features, and determine which service processing unit the corresponding FCB is handed to for the next processing according to the Hash value. The embodiment of the present invention does not limit the specific type and content of the load distribution policy.
And 103, recombining the plurality of FCBs after parallel processing.
When the reassembly information of the FCB includes: when the original packet ID to which the FCB belongs and the offset address of the FCB, step 103 may be performed as follows:
and according to the original message ID and the offset address carried by each FCB after parallel processing, recombining the FCBs with the same original message ID according to the respective offset addresses to obtain a recombined data communication message. That is, it is determined which FCBs are reassembled into a data packet according to the original packet ID, and the internal arrangement sequence of the FCBs when forming a data packet is executed according to the offset address.
The following describes a specific implementation procedure of the first embodiment of the present invention in further detail with reference to specific examples.
Example two
As shown in fig. 2, after receiving the data communication packet, the data communication device first performs a segmentation process on the data communication packet, including: the data communication message is analyzed, and the data communication message is divided into a plurality of FCBs (in this embodiment, the message is divided into four FCBs) according to the fields in the data communication message and the preset division rule, wherein the division rule is configured according to the actual service requirement. Each FCB obtained by segmentation carries recombination information, subsequent processing information and the like.
And performing load distribution on the FCBs, and then performing parallel processing on the plurality of divided FCBs according to the service requirements, so that the processing performance of the data communication equipment is greatly improved. It should be noted that, in the prior art, frame-based processing is packet-by-packet processing, but the FCB in the embodiment of the present invention is a processing unit smaller than a frame, and performance is more fully utilized when performing pipeline parallel processing.
After the parallel processing of a plurality of FCBs is completed, operations such as restructuring and discarding are performed according to the FCB processing condition. For example: a user configures content filtering, if a parallel processing unit detects keywords needing to be blocked, the keywords need to be discarded, and if the keywords are normal messages, the keywords are recombined; if one FCB is discarded, all FCBs from the same original message are discarded; if the FCB is recombined, the FCB is recombined according to the recombination information carried by the FCB.
The following illustrates the data communication packet segmentation, load distribution and packet reassembly process.
For example: a HyperText Transfer Protocol (HTTP) packet a, which is divided into several FCBs, wherein the header is an FCB, the load is divided into three FCBs, the FCB1 is handed to the Protocol checker by the load distribution unit for processing, and the FCB2, the FCB3, and the FCB4 are handed to the content filter for processing (here, the Protocol checker and the content filter are all service processing units).
FCB1, including Ethernet header, IP header, HTTP header, to check the protocol;
FCB2, containing load 1, performs keyword filtering;
FCB3, including load 2, performs keyword filtering;
FCB4, containing payload 3, performs key filtering.
And after the processing of each service processing unit is finished, the recombination unit recombines and sends according to each FCB processing result. The recombination process may have the following results (not limited thereto):
1. if the processing result of a certain FCB is 'blocked' or 'discarded', all four FCBs are discarded, and the message processing is finished;
2. and if all the FCB processing results are passed, the message is recombined and sent. When the recombination is executed, the 4 FCBs are restored into a complete message A according to the recombination information carried by the FCBs.
EXAMPLE III
Corresponding to the method for processing a data communication packet in the embodiment of the present invention, a third embodiment of the present invention provides a device for processing a data communication packet, and as shown in fig. 3, the device mainly includes:
a message dividing unit 10, configured to divide a received data communication message to obtain a plurality of FCBs;
a load distribution unit 20, configured to perform load distribution on a plurality of FCBs and distribute the plurality of FCBs to a plurality of traffic processing units 30;
a service processing unit 30, configured to perform parallel processing on multiple FCBs after load distribution; specifically, a plurality of parallel sub-processing units may be disposed in the service processing unit 30 to implement parallel processing; it is also possible to arrange a plurality of service processing units 30 to implement parallel processing.
And the recombining unit 40 is used for recombining the plurality of FCBs after parallel processing.
In an embodiment, the packet segmentation unit 10 is further configured to parse the data communication packet, and segment the data communication packet into a plurality of FCBs according to fields inside the data communication packet and according to a preset segmentation rule;
each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
Wherein the reassembly information of the FCB may include: the original message ID to which the FCB belongs, and the offset address of the FCB.
In an embodiment, the reassembly unit 40 is further configured to, according to the original packet ID and the offset address carried by each FCB after the parallel processing, reassemble a plurality of FCBs with the same original packet ID according to their respective offset addresses, so as to obtain a reassembled data communication packet.
In an embodiment, the load distribution unit 20 is further configured to perform load distribution on the FCBs according to a preset load distribution policy, and distribute the FCBs to a plurality of parallel traffic processing units;
the plurality of service processing units 30 are further configured to process the FCBs received by the respective service processing units in parallel, and provide the FCBs processed in parallel to the reassembly unit 40.
As can be seen from the foregoing implementation, in the embodiment of the present invention, a mechanism that is different from the conventional network processor and uses a packet or a Frame as a minimum processing unit is adopted, and according to an actual application situation, a data communication packet is divided into smaller data units FCBs (Frame Cut blocks), and a data communication device performs parallel processing on a plurality of FCBs and reassembles the plurality of FCBs after the parallel processing. Because the processing performance of the data communication equipment on the FCB is fixed, in a forwarding scene, the data communication equipment has fixed throughput no matter what the frame length of a data communication message is; in the deep processing scenario, one data communication packet can be divided into a plurality of FCBs for parallel processing, so that the processing performance is greatly improved.
The scheme provided by the embodiment of the invention can be implemented on a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC)/a Field Programmable Gate Array (FPGA) or a distributed platform. Wherein,
multi-core CPU scheme:
when the method is implemented on a multi-core CPU, an asynchronous architecture can be adopted, different programs are run on different CPUs, and processes such as message segmentation, load distribution, parallel service processing, recombination and the like are respectively executed. Namely, the message segmentation unit 10, the load distribution unit 20, the service processing unit 30, and the reassembly unit 40 are respectively located in different CPUs.
ASIC/FPGA scheme:
when implemented on an ASIC/FPGA, the message segmentation unit 10, the load distribution unit 20, the service processing unit 30 (parallel), and the reassembly unit 40 may be respectively constructed inside chip logic.
The distributed platform scheme comprises the following steps:
when implemented on a distributed platform, the packet segmentation unit 10, the load distribution unit 20, the service processing unit 30 (in parallel), and the reassembly unit 40 may be deployed on different processing units/modules, and communication between the modules is realized through a system bus.
In the embodiments provided in the present invention, it should be understood that the disclosed method, apparatus and electronic device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit according to the embodiment of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Therefore, the embodiment of the present invention further provides a computer-readable storage medium, where the storage medium includes a set of computer-executable instructions, and the instructions are used to execute the method for processing the data communication packet according to the embodiment of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for processing data communication messages is characterized by comprising the following steps:
segmenting the received data communication message to obtain a plurality of frame segmentation blocks FCB;
after the plurality of FCBs are subjected to load distribution, parallel processing is carried out;
and recombining the plurality of FCBs after parallel processing.
2. The method of processing data communication packets of claim 1, wherein the segmenting the received data communication packets comprises:
analyzing the data communication message, and dividing the data communication message into a plurality of FCBs according to fields in the data communication message and a preset division rule;
each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
3. The method of processing data communication packets according to claim 2, wherein the reassembly information of the FCB comprises: the original message ID to which the FCB belongs, and the offset address of the FCB.
4. The method according to claim 3, wherein the reassembling the plurality of FCBs after parallel processing comprises:
and according to the original message ID and the offset address carried by each FCB after parallel processing, recombining the FCBs with the same original message ID according to the respective offset addresses to obtain a recombined data communication message.
5. The method according to claim 1, 2 or 3, wherein the performing parallel processing after the load distribution of the plurality of FCBs comprises:
and performing load distribution on the FCBs according to a preset load distribution strategy, distributing the FCBs to a plurality of parallel service processing units, and processing the FCBs received by the service processing units in parallel.
6. An apparatus for processing data communication packets, comprising:
a message segmentation unit, configured to segment a received data communication message to obtain a plurality of frame segmentation blocks FCB;
a load distribution unit, configured to perform load distribution on the plurality of FCBs, and distribute the plurality of FCBs to a plurality of traffic processing units;
a service processing unit, configured to perform parallel processing on the received FCBs after the load distribution;
and the recombination unit is used for recombining the FCBs subjected to parallel processing.
7. The data communication packet processing device of claim 6,
the message segmentation unit is further used for analyzing the data communication message and segmenting the data communication message into a plurality of FCBs according to fields in the data communication message and preset segmentation rules;
each FCB obtained by the segmentation carries reassembly information and subsequent processing information, the reassembly information is used for the FCBs to reassemble the FCBs into a communication data message, and the subsequent processing information is used as a basis for the parallel processing to process the FCBs.
8. The apparatus for processing data communication packets according to claim 7, wherein the reassembly information of the FCB comprises: the original message ID to which the FCB belongs, and the offset address of the FCB.
9. The apparatus for processing the data communication packet according to claim 8, wherein the reassembly unit is further configured to, according to the original packet ID and the offset address carried by each FCB after the parallel processing, reassemble the multiple FCBs with the same original packet ID according to their respective offset addresses to obtain the reassembled data communication packet.
10. The apparatus for processing data communication packets according to claim 6, 7 or 8, wherein the load distribution unit is further configured to perform load distribution on the FCBs according to a preset load distribution policy, and distribute the FCBs to a plurality of parallel service processing units;
the plurality of service processing units are further configured to process the FCBs received by the respective service processing units in parallel, and provide the FCBs processed in parallel to the reassembly unit.
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| CN110381034A (en) * | 2019-06-25 | 2019-10-25 | 苏州浪潮智能科技有限公司 | A kind of message processing method, device, equipment and readable storage medium storing program for executing |
| CN110381034B (en) * | 2019-06-25 | 2022-02-22 | 苏州浪潮智能科技有限公司 | Message processing method, device, equipment and readable storage medium |
| CN115396388A (en) * | 2022-08-15 | 2022-11-25 | 成都北中网芯科技有限公司 | Efficient NP-based network processing device |
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