CN101540772A - DPI (deep packet inspection) equipment and communication method thereof - Google Patents
DPI (deep packet inspection) equipment and communication method thereof Download PDFInfo
- Publication number
- CN101540772A CN101540772A CN200910134939A CN200910134939A CN101540772A CN 101540772 A CN101540772 A CN 101540772A CN 200910134939 A CN200910134939 A CN 200910134939A CN 200910134939 A CN200910134939 A CN 200910134939A CN 101540772 A CN101540772 A CN 101540772A
- Authority
- CN
- China
- Prior art keywords
- message
- address
- communication
- detection device
- deep packet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention provides a DPI (deep packet inspection) equipment and a communication method thereof. The DPI equipment comprises a first receiving unit used for receiving a packet by a service communication interface, wherein the packet comprises a communication packet and a service packet needing to be monitored; a recognition unit used for determining the packet to be the communication packet when a target IP address of the packet received by the first receiving unit is the IP address of the DPI equipment; a constructing unit used for constructing a communication packet of which a source IP address is the IP address of the DPI equipment; and a transmitting unit used for transmitting the communication packet constructed by the constructing unit by the service communication interface. The embodiment of the invention realizes the communication of the DPI equipment and other equipment, and a management interface arranged specially for the DPI equipment in the prior art is saved, thus saving interface sources.
Description
Technical field
The present invention relates to networking technology area, relate in particular to a kind of deep packet detection device and communication means thereof.
Background technology
Continuous development along with Internet technology, in order to satisfy the requirement of user to internet security, reliability and QoS, DPI (Deep Packet Inspection, deep message detects) technology, not only can detect source address, destination address, source port, destination interface and type of service etc. that common message detects, can also use by sensing network, realize detection and control, further provide the content service that becomes more meticulous for the user to network application.
DPI equipment comprises foreground system and background system, and foreground system is responsible for finishing to the monitoring of service message and the transmission of monitored service message, and to the flow analysis of monitored service message and flow control etc.; Background system is deployed on the server, and the function such as policy configurations, report form statistics of system is provided.For administering and maintaining of equipment, for example be convenient to the inquiries such as state of user terminal to the service message of needs monitoring, need between DPI equipment and the user terminal to realize intercommunication mutually, in addition, also need mutual communication between the different DPI equipment of same cluster.
The deployment way of DPI equipment in network mainly contains two kinds: forthright is disposed and bypass is disposed.The forthright deployment way is serially connected in DPI equipment in the network exactly, becomes a node of network, and all data all must be through just transmitting after the DPI Equipment Inspection; The bypass deployment way adopts mode in parallel that DPI equipment side is suspended on the existing network exactly, by router or physics light-dividing device all flow beam split is detected to the DPI checkout equipment.Under the forthright deployment way, how network to be realized under the sightless requirement satisfied the communication of DPI equipment is technological difficulties.Wherein, the invisible DPI of the being equipment of network is transparent to the conventional equipment in the network, and conventional equipment can not perceive the existence of DPI equipment.
In the prior art, be provided with two kinds of interfaces: functional area and management mouth at DPI equipment.The functional area is serially connected in the network, needs the service message of monitoring to enter foreground system by the functional area, handles the back by analysis and is transmitted by another functional area; Manage mouth by building and outside interconnected network, as private network or tunnel, be connected with user terminal or other DPI equipment etc., the management mouth is used to receive and send communication message mutual between DPI equipment and the miscellaneous equipment, with the communication of realization DPI equipment.
Because DPI equipment mainly is arranged in the core network, and the interface number is limited in core network, interface resource is most valuable.Therefore, in realizing process of the present invention, the inventor finds that there is following problem at least in prior art: the communication by the existing DPI equipment of management cause for gossip, caused the waste of interface resource.
Summary of the invention
The embodiment of the invention provides a kind of deep packet detection device and communication means thereof, can save interface resource.
In order to solve the problems of the technologies described above, the technical scheme of the embodiment of the invention is as follows:
The embodiment of the invention provides a kind of deep packet detection device, comprising:
First receiving element is used for receiving message by the service communication interface, and described message comprises the service message of communication message and needs monitoring;
Recognition unit when the purpose IP address that is used for the described message that receives at described first receiving element is the IP address of described deep packet detection device, determines that described message is a communication message;
Structural unit is used to construct the communication message that source IP address is described deep packet detection device IP address;
Transmitting element is used for sending the communication message that described structural unit is constructed by described service communication interface.
The embodiment of the invention also provides a kind of communication means of deep packet detection device, comprising:
Receive and send message by the service communication interface, described message comprises the service message of communication message and needs monitoring;
If the purpose IP address of the described message that receives is the IP address of described deep packet detection device, determine that then described message is a communication message;
The structure source IP address is the described communication message that the communication message of described deep packet detection device IP address receives with response, and sends by described service communication interface.
The service message of the embodiment of the invention by adopting the service communication interface to come common received communication message and need to monitor, and realize communication message and need the identification of the service message of monitoring by recognition unit, and then realized processing to different messages, simultaneously, overcome in the prior art, by the interface resource that transmitting-receiving the caused waste problem of the existing communication message of special management cause for gossip is set.
The embodiment of the invention has been saved management mouth of the prior art by the service communication interface is set, and has saved interface resource.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of a kind of DPI equipment of the embodiment of the invention;
Fig. 2 is the connection diagram of a kind of DPI equipment of the embodiment of the invention and router;
Fig. 3 is the structured flowchart of the another kind of DPI equipment of the embodiment of the invention;
Fig. 4 is the structured flowchart of the another kind of DPI equipment of the embodiment of the invention;
Fig. 5 is the communication means flow chart of a kind of DPI equipment of the embodiment of the invention;
Fig. 6 is the method flow diagram of DPI devices communicating under a kind of ethernet environment of the embodiment of the invention;
Fig. 7 is the method flow diagram of DPI devices communicating under a kind of POS environment of the embodiment of the invention.
Embodiment
In order to make those skilled in the art can further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, accompanying drawing only provide with reference to and explanation, be not to be used for limiting the present invention.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described.
With reference to Fig. 1, be the structured flowchart of a kind of DPI equipment of the embodiment of the invention.
This DPI equipment is provided with the service communication interface and replaces functional area of the prior art and management mouth, make the service message that needs monitoring and communication message all pass through this service communication interface and receive and send, communication message is used for communicating by letter of DPI equipment and external equipment.Comprise first receiving element 101, recognition unit 102, structural unit 103 and transmitting element 104 in this DPI equipment.
Wherein, first receiving element 101 is used for receiving message by the service communication interface, and described message comprises the service message of communication message and needs monitoring; Recognition unit 102 when the purpose IP address that is used for the described message that receives at described first receiving element 101 is the IP address of described DPI equipment, determines that described message is a communication message; Structural unit 103 is used to construct the communication message that source IP address is described deep packet detection device IP address; Transmitting element 104 is used for sending the communication message that described structural unit 103 is constructed by the service communication interface.The specific implementation of each unit describes by following specific embodiment.
As shown in Figure 2, when these DPI equipment both sides linked to each other with router E with router D, message was by the interface DO output of router D, enter DPI equipment through the service communication interface, handle the back by the output of service communication interface through message, by interface EO input router E, carry out follow-up forwarding then.
After first receiving element 101 receives message, discern by 102 pairs of these messages of recognition unit, concrete, purpose IP address according to message is discerned, if purpose IP address is the IP address of described DPI equipment, determine that then this message is a communication message, then, again this communication message is communicated processing, this processing procedure can be identical with respective process of the prior art.When the communication message that this is received responds, can construct the communication message that source IP address is the DPI IP address of equipment, and send by the service communication interface, to respond by the communication message that transmitting element 104 will be constructed by structural unit 103.The message that message that receives for first receiving element 101 and transmitting element 104 send can be that communication message also can be the service message that needs monitoring, also non-limiting herein these two kinds of messages are received simultaneously or send simultaneously.
It more than is the situation of the passive reception miscellaneous equipment of DPI equipment communication message, initiatively send the situation of communication message to miscellaneous equipment for DPI equipment, also be to send by the service communication interface by transmitting element 104, communication message under this situation also can be constructed by structural unit 103, can be similar with prior art, do not limit herein.The process of structural unit 103 structure communication messages also can be identical with respective process of the prior art, and wherein, the source IP address of all communication messages that this structural unit 103 is constructed is to communicate by letter with realization in the IP address of DPI equipment.
In embodiments of the present invention, by the service message that adopts the service communication interface to come common received communication message and need to monitor, and realize communication messages and need the identification of the service message of monitoring by recognition unit 102, realized in the prior art processing to different messages, and saved management mouth of the prior art, saved interface resource.
In another embodiment of the present invention, this equipment can also comprise dispensing unit, is used to dispose the IP address of described DPI equipment.
In the above-described embodiments, if interface DO and the EO of router D and router E belong to the same network segment, under this situation, the IP address of the DPI equipment that dispensing unit disposed is the IP address of this same network segment.This dispensing unit can be one of this DPI equipment disposition, two or more IP address, these IP addresses can belong to the different network segments, respectively with the different routers of message transmission under the network segment corresponding, so that message through with the IP address mutually the router on the same network segment transmit, to shorten transmission path, these different routers link to each other with DPI equipment respectively.This dispensing unit need not carry out the configuration of IP address at every turn when receiving and dispatching message, generally this IP address that configures remains unchanged.
In another embodiment of the present invention, this recognition unit 102 when also being used for not being the IP address of described DPI equipment in the purpose IP address of the message that receives, determines that described message is for needing the service message of monitoring.Then, by the relevant treatment unit this service message that need monitor is measured etc. and handled the back and transmit.
With reference to Fig. 3, be the structured flowchart of the another kind of DPI equipment of the embodiment of the invention.
In the present embodiment, first receiving element 101, recognition unit 102, structural unit 103, transmitting element 104 and the dispensing unit 105 of DPI equipment in comprising the foregoing description, also comprise second receiving element 301 and response unit 302.
Wherein, second receiving element 301, be used for before described first receiving element 101 receives message, under ethernet environment, receive ARP (An Ethernet Address Resolution Protocol, the ethernet address translation-protocol) request of the router that links to each other with DPI equipment by described service communication interface; Response unit 302 is used for responding described ARP request by response message, includes the MAC Address of described DPI equipment in the described response message.
Under ethernet environment, when message is transferred to this DPI equipment by router, if this router is not known the MAC Address of this DPI equipment, then router will be broadcasted an ARP request, after second receiving element 301 receives this ARP request, make response by 302 pairs of these requests of response unit, inform the MAC Address of this DPI equipment of router by response message, after this router receives this response message, promptly known the MAC Address of DPI equipment, and then can be, and then message be carried out subsequent treatment by each unit of DPI equipment with message transmissions to DPI equipment.
Router generally can be stored the mac address information of this DPI equipment after receiving response message, just can not send the ARP request in follow-up message is transmitted again.
In the present embodiment,, router is set up to the transmission path of this DPI equipment, guaranteed the successful forwarding of message by response to router.
Above embodiment carries out under ethernet environment, and is next by following embodiment realization at POS (Packet Over SONET/SDH, the grouping on synchronous optical network/synchronous digital) environment.
The POS technology is a kind of technology that is applied in metropolitan area network and the wide area network, and it has the support grouped data, as the advantage of IP grouping.POS uses SONET (Synchronous Optical Network synchronous optical network) as physical layer protocol, link layer protocol is PPP (Point to Point Protocol, point-to-point protocol) agreement or HDLC (High-Level Data Link Control, High-Level Data Link Control) agreement etc., the IP Packet Service then operates in network layer.The POS environment is that the physical layer of monitored link is POS.
With reference to Fig. 4, be the structured flowchart of the another kind of DPI equipment of the embodiment of the invention.
In the present embodiment, first receiving element 101, recognition unit 102, structural unit 103, transmitting element 104 and the dispensing unit 105 of DPI equipment in comprising the foregoing description, also comprise resolution unit 401.
This resolution unit 401 is used under the POS environment, and the described message that described first receiving element 101 receives is resolved;
Described recognition unit 102, the purpose IP address that also is used for according to the message that parses is the IP address of described DPI equipment, determines that described message is a communication message.
If the link layer protocol that the POS environment adopts down is a ppp protocol, then the message of first receiving element, 101 receptions is PPP messages in the present embodiment, if link layer protocol is the HDLC agreement, the message that first receiving element 101 receives is the HDLC message.
401 pairs of PPP messages of this resolution unit or HDLC message etc. are resolved, and the message that parses is communication message or the service message that needs monitoring, and this resolving is known technology, repeats no more herein.And then discern by 102 pairs of messages that parse of recognition unit.
The embodiment of the invention has realized under the POS environment parsing to PPP message or HDLC message etc. by resolution unit 401, make DPI equipment correctly to discern and communication process, avoided the communication failure that dropping packets brought because this DPI equipment can't be discerned PPP message or HDLC message the communication message after resolving.
In the various embodiments described above, the communication message that DPI equipment receives or sends can be transmitted by the forwarding passage of the service message of needs monitoring.
With reference to Fig. 5, be the communication means flow chart of a kind of DPI equipment of the embodiment of the invention.
This method can comprise:
Step 501 receives and sends message by the service communication interface, and described message comprises the service message of communication message and needs monitoring;
The message that receives in this step and the message of transmission can be communication messages, also can be the service messages that needs monitoring, also non-limitingly herein receive or send simultaneously to two kinds of messages the time.
Step 502 if the purpose IP address of the message that receives is the IP address of described DPI equipment, determines that then described message is a communication message;
Step 503, the structure source IP address is the described communication message that the communication message of described DPI IP address of equipment receives with response, and sends by described service communication interface.
In the present embodiment, if the direct communication message that sends by DPI equipment, directly execution in step 501, send communication message by the service communication interface, structure as for this communication message can be same as the prior art, the IP address of the DPI equipment that the source IP address that is this communication message that sends out DPI equipment disposes before being, this technology is known, repeats no more herein.
The embodiment of the invention has realized from two kinds of messages of same style interface transmitting-receiving, be communication message and the service message that needs monitoring, and then,, saved interface resource so that respectively different messages are carried out corresponding subsequent processing by identification to message purpose IP address.
In another embodiment of the present invention, this method can also comprise: the IP address that disposes described DPI equipment.This layoutprocedure please refer to aforementioned means embodiment, repeats no more herein.
This embodiment method can also comprise: if the purpose IP address of the message that receives is not the IP address of described DPI equipment, determine that then described message is for needing the service message of monitoring.The service message that this message is monitored is as required handled and is transmitted then.
Below respectively under the ethernet environment and under the POS environment, the situation that DPI equipment receives message describes.
With reference to Fig. 6, be the method flow diagram of DPI devices communicating under a kind of ethernet environment of the embodiment of the invention.
The embodiment of the invention is under ethernet environment, know the IP address of this DPI equipment when the router that E-Packets, but the flow process of carrying out when not knowing the MAC Address of this DPI equipment, this method can dispose this DPI equipment earlier before implementing IP address, this method comprises:
Step 601 is by the ethernet address translation-protocol ARP request of described service communication interface receiving router;
Because this router is not when knowing the MAC Address of this DPI equipment,, obtaining the MAC Address of this DPI equipment, and then realize transmission so need the broadcast arp request.
Step 602 responds described ARP request by response message, includes the MAC Address of described DPI equipment in the described response message;
Router can be known the MAC Address of this DPI equipment after receiving this response message, then with message transmissions to this DPI equipment.
Step 603 receives message by the service communication interface, and described message comprises the service message of communication message and needs monitoring;
Step 604 if the purpose IP address of the message that receives is the IP address of described DPI equipment, determines that then described message is a communication message;
Step 605 is handled described communication message;
This processing procedure can with prior art in identical, repeat no more herein.
This method embodiment can be under ethernet environment, by the service communication interface to the ARP request responding, realize message from professional communication interface reception and forwarding, saved management of the prior art mouthful.
With reference to Fig. 7, be the method flow diagram of DPI devices communicating under a kind of POS environment of the embodiment of the invention.
The embodiment of the invention is under the POS environment, the flow process that the message that is transferred to DPI equipment when router carries out when being the PPP message, and this method comprises:
Step 701 receives message by the service communication interface; In the present embodiment, the message that receives is an example with the PPP message.
Step 702 is resolved described PPP message, and the message that parses may be that communication message also may be the service message that needs monitoring;
Parse this PPP message and be convenient to further discern the service message that the message that parses is communication message or needs monitoring.
Step 703 when if the purpose IP address of the message that parses is the IP address of described DPI equipment, determines that described message is a communication message;
Step 704 is handled described communication message;
This processing procedure can with prior art in identical, repeat no more herein.
This method embodiment has realized under the POS environment parsing to the PPP message, and then can and do further processing to the identification of the message after resolving, and has avoided the communication failure that dropping packets brought because this DPI equipment can't be discerned the PPP message.
For the message that receives by the service communication interface is the situation of HDLC message, similar with present embodiment, specifically sees also the foregoing description, repeats no more herein.
More than receive the embodiment of message for DPI equipment, when DPI equipment initiatively sends communication message and miscellaneous equipment and communicates, also need the IP address of this DPI equipment of configuration earlier, then, the structure communication message, the source IP address of this communication message is the IP address of this DPI equipment, the process of this structure communication message can be same as the prior art, at last, send the communication message of this structure by the service communication interface.The communication message that sends out can be transmitted by corresponding router, finally arrives the destination.
Further, if miscellaneous equipment is after receiving this communication message, respond if desired, then send out the communication message of response, the purpose IP address of the communication message of this response is the IP address of this DPI equipment, after the message of this response sends, when arriving this DPI equipment, receive this communication message by the service communication interface, processing procedure afterwards is identical with previous embodiment, repeats no more herein.In the various embodiments described above, the communication message that DPI equipment receives or sends can be transmitted by the forwarding passage of the service message of needs monitoring.
When DPI equipment initiatively sends communication message and miscellaneous equipment and communicates, still adopt the service communication interface to send this communication message, saved management of the prior art mouthful equally, saved interface resource.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program said method comprising the steps of when carrying out:
Receive and send message by the service communication interface, described message comprises the service message of communication message and needs monitoring;
If the purpose IP address of the described message that receives is the IP address of described DPI equipment, determine that then described message is a communication message;
The structure source IP address is the described communication message that the communication message of described DPI IP address of equipment receives with response, and sends by described service communication interface.
Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (9)
1, a kind of deep packet detection device is characterized in that, comprising:
First receiving element is used for receiving message by the service communication interface, and described message comprises the service message of communication message and needs monitoring;
Recognition unit when the purpose IP address that is used for the described message that receives at described first receiving element is the IP address of described deep packet detection device, determines that described message is a communication message;
Structural unit is used to construct the communication message that source IP address is described deep packet detection device IP address;
Transmitting element is used for sending the communication message that described structural unit is constructed by described service communication interface.
2, equipment according to claim 1 is characterized in that, the IP address number of described deep packet detection device is two or more, this IP address respectively with different routers that described deep packet detection device links to each other under the network segment corresponding.
3, equipment according to claim 1 is characterized in that,
Described recognition unit when the purpose IP address that also is used for the described message that receives at described first receiving element is not the IP address of described deep packet detection device, determines that described message is for needing the service message of monitoring.
4, according to any described equipment in the claim 1 to 3, it is characterized in that, also comprise:
Second receiving element was used for before described first receiving element receives message, under ethernet environment, received the ethernet address translation-protocol request of the router that links to each other with described deep packet detection device by described service communication interface;
Response unit is used for responding the request of described ethernet address translation-protocol by response message, includes the MAC Address of described deep packet detection device in the described response message.
5, according to any described equipment in the claim 1 to 3, it is characterized in that, also comprise:
Resolution unit is used under the grouping environment on the synchronous optical network/synchronous digital hierarchy, and the described message that described first receiving element receives is resolved;
Described recognition unit, the purpose IP address that also is used for the message that parses according to described resolution unit is the IP address of described deep packet detection device, determines that described message is a communication message.
6, a kind of communication means of deep packet detection device is characterized in that, comprising:
Receive and send message by the service communication interface, described message comprises the service message of communication message and needs monitoring;
If the purpose IP address of the described message that receives is the IP address of described deep packet detection device, determine that then described message is a communication message;
The structure source IP address is the described communication message that the communication message of described deep packet detection device IP address receives with response, and sends by described service communication interface.
7, method according to claim 6 is characterized in that, if the purpose IP address of the described message that receives is not the IP address of described deep packet detection device, determines that then described message is for needing the service message of monitoring.
8, according to claim 6 or 7 described methods, it is characterized in that, also comprise before receiving message by the service communication interface described:
Under ethernet environment, receive the ethernet address translation-protocol request of the router that links to each other with described deep packet detection device by described service communication interface;
Respond the request of described ethernet address translation-protocol by response message, include the MAC Address of described deep packet detection device in the described response message.
9, according to claim 6 or 7 described methods, it is characterized in that, also comprise:
Under the grouping environment on the synchronous optical network/synchronous digital hierarchy, the described message that receives is resolved, be the IP address of described deep packet detection device according to the purpose IP address of the described message that parses, determine that described message is a communication message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101349396A CN101540772B (en) | 2009-04-15 | 2009-04-15 | DPI (deep packet inspection) equipment and communication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101349396A CN101540772B (en) | 2009-04-15 | 2009-04-15 | DPI (deep packet inspection) equipment and communication method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101540772A true CN101540772A (en) | 2009-09-23 |
| CN101540772B CN101540772B (en) | 2012-08-08 |
Family
ID=41123758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101349396A Active CN101540772B (en) | 2009-04-15 | 2009-04-15 | DPI (deep packet inspection) equipment and communication method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101540772B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312753A (en) * | 2012-03-14 | 2013-09-18 | 中国移动通信集团公司 | Communication method and device of Internet of things |
| WO2014063313A1 (en) * | 2012-10-24 | 2014-05-01 | 华为技术有限公司 | Service analysis method and device |
| CN104092677A (en) * | 2014-07-01 | 2014-10-08 | 中国电子科技集团公司第三十研究所 | Method and device for exchanging Internet-of-Things data |
| CN104145451A (en) * | 2012-08-23 | 2014-11-12 | 华为技术有限公司 | Packet processing method, deep packet inspection requesting network element, and deep packet inspection device |
| CN107787003A (en) * | 2016-08-24 | 2018-03-09 | 中兴通讯股份有限公司 | A kind of method and apparatus of flow detection |
| CN107925611A (en) * | 2015-08-05 | 2018-04-17 | 高通股份有限公司 | Deep packet for moving CDN inspects instruction |
| CN107948266A (en) * | 2017-11-17 | 2018-04-20 | 武汉绿色网络信息服务有限责任公司 | The processing method and system of HTTP uplink traffics in asymmetric routed environment |
| CN111064825A (en) * | 2019-12-30 | 2020-04-24 | 武汉绿色网络信息服务有限责任公司 | Method and device for realizing DPI data acquisition and control based on ARP |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100477607C (en) * | 2006-05-12 | 2009-04-08 | 华为技术有限公司 | Method and device of legal monitoring |
| CN101056262A (en) * | 2007-03-26 | 2007-10-17 | 宝丽雅智能系统(深圳)有限公司 | Connection and switching method of the service data and network data of the application system |
| CN101287006B (en) * | 2008-05-12 | 2013-08-07 | 华为软件技术有限公司 | Information indicating method, system and device |
-
2009
- 2009-04-15 CN CN2009101349396A patent/CN101540772B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312753A (en) * | 2012-03-14 | 2013-09-18 | 中国移动通信集团公司 | Communication method and device of Internet of things |
| CN104145451A (en) * | 2012-08-23 | 2014-11-12 | 华为技术有限公司 | Packet processing method, deep packet inspection requesting network element, and deep packet inspection device |
| CN104145451B (en) * | 2012-08-23 | 2017-07-14 | 华为技术有限公司 | Message processing method, deep-packet detection request network element and deep packet inspection device |
| WO2014063313A1 (en) * | 2012-10-24 | 2014-05-01 | 华为技术有限公司 | Service analysis method and device |
| CN104092677A (en) * | 2014-07-01 | 2014-10-08 | 中国电子科技集团公司第三十研究所 | Method and device for exchanging Internet-of-Things data |
| CN104092677B (en) * | 2014-07-01 | 2017-10-31 | 中国电子科技集团公司第三十研究所 | The exchange method and switch of Internet of Things data |
| CN107925611A (en) * | 2015-08-05 | 2018-04-17 | 高通股份有限公司 | Deep packet for moving CDN inspects instruction |
| US11444879B2 (en) | 2015-08-05 | 2022-09-13 | Qualcomm Incorporated | Deep packet inspection indication for a mobile CDN |
| CN107787003A (en) * | 2016-08-24 | 2018-03-09 | 中兴通讯股份有限公司 | A kind of method and apparatus of flow detection |
| CN107948266A (en) * | 2017-11-17 | 2018-04-20 | 武汉绿色网络信息服务有限责任公司 | The processing method and system of HTTP uplink traffics in asymmetric routed environment |
| CN111064825A (en) * | 2019-12-30 | 2020-04-24 | 武汉绿色网络信息服务有限责任公司 | Method and device for realizing DPI data acquisition and control based on ARP |
| CN111064825B (en) * | 2019-12-30 | 2022-02-18 | 武汉绿色网络信息服务有限责任公司 | Method and device for realizing DPI data acquisition and control based on ARP |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101540772B (en) | 2012-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101540772B (en) | DPI (deep packet inspection) equipment and communication method thereof | |
| CN101573913B (en) | Method and apparatus for improved multicast routing | |
| EP2568670B1 (en) | Method for message forwarding and device for deep packet inspection | |
| US6973049B2 (en) | Auto-configuration of network interfaces in a bidirectional ring network | |
| EP1892929A1 (en) | A method, an apparatus and a system for message transmission | |
| US20080101362A1 (en) | Method and device for making uplink standby | |
| CN103916275A (en) | BFD detection device and method | |
| CN101616078B (en) | Discovery method, router and node equipment of path maximum transmission unit | |
| CN106559280A (en) | Bidirectional forwarding detection (BFD) method and device | |
| CN105515816B (en) | Processing method and device for detecting hierarchical information | |
| CN101425942A (en) | Method, apparatus and system for bidirectional forwarding detection implementation | |
| JP2013516822A (en) | Neighbor discovery for Ethernet private lines on user network interfaces | |
| US20090006650A1 (en) | Communication device, communication method, communication interface, and program product | |
| CN1668030B (en) | System and a method for processing field frames for multiprotocol use in a communications, and network equipment | |
| CN102281165A (en) | Fault detection method based on QoS, system and apparatus thereof | |
| CN105052106A (en) | Methods and systems for receiving and transmitting internet protocol (ip) data packets | |
| CN101808043B (en) | Method and device for detecting service message forwarding state of TRUNK members | |
| CN101292502A (en) | Apparatus and methods for managing nodes on a fault tolerant network | |
| CN102469016B (en) | Device and method for determining path maximum transmission unit (PMTU) reversely | |
| CN103036984B (en) | One-way flow detection method and network equipment | |
| CN101309154B (en) | Datagram sending method, sending apparatus and transmission system | |
| US10491423B2 (en) | VLAN tag communication method by using a remote network element port and apparatus | |
| KR101802037B1 (en) | Method and system of transmitting oam message for service function chaining in software defined network environment | |
| EP1758306B1 (en) | Method and device for transmitting a control signal of a resilient packet ring media access control | |
| CN113037622B (en) | System and method for preventing BFD from vibrating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DIGITAL TECHNOLOGY (CHENGDU) CO., LTD. Free format text: FORMER NAME: CHENGDU HUAWEI SYMANTEC TECHNOLOGIES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 611731 Chengdu high tech Zone, Sichuan, West Park, Qingshui River Patentee after: HUAWEI DIGITAL TECHNOLOGIES (CHENG DU) Co.,Ltd. Address before: 611731 Chengdu high tech Zone, Sichuan, West Park, Qingshui River Patentee before: CHENGDU HUAWEI SYMANTEC TECHNOLOGIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20220905 Address after: No. 1899 Xiyuan Avenue, high tech Zone (West District), Chengdu, Sichuan 610041 Patentee after: Chengdu Huawei Technologies Co.,Ltd. Address before: 611731 Qingshui River District, Chengdu hi tech Zone, Sichuan, China Patentee before: HUAWEI DIGITAL TECHNOLOGIES (CHENG DU) Co.,Ltd. |
|
| TR01 | Transfer of patent right |