CN101232446A - Message processing method and apparatus - Google Patents
Message processing method and apparatus Download PDFInfo
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- CN101232446A CN101232446A CNA2008100060736A CN200810006073A CN101232446A CN 101232446 A CN101232446 A CN 101232446A CN A2008100060736 A CNA2008100060736 A CN A2008100060736A CN 200810006073 A CN200810006073 A CN 200810006073A CN 101232446 A CN101232446 A CN 101232446A
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Abstract
The inventive embodiment discloses a message processing method, which comprises the steps that messages are received; in-isolate group information and out-isolate group information corresponding to the messages are obtained; the messages are discarded in case that the in-isolate group information is identical with the out-isolate group information by judgment, The inventive embodiment also provides a message processing device, which comprises an information acquisition unit used for obtaining the in-isolate group information and the out-isolate group information corresponding to the messages after the messages are received; a judging unit used for judging whether the in-isolate group information is identical with the out-isolate group information; and a first processing unit used for discarding the messages when the identicalness of the in-isolate group information and out-isolate group information is judged by the judging unit. The technical proposal of the inventive embodiment can specifically realize separation to message forward, so as to realize the control to message transmission.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of message processing method and device.
Background technology
Virtual special local area network VPN (Virtual Private Network) refers to the private data communication network that relies on ISP of ISP (Internet Service Provider) and other Internet Service Provider NSP (NetworkService Provider) to set up in common network.In virtual special local area network, the connection between any two nodes does not have the physical link end to end that has the conventional dedicated local area network (LAN) required, but utilizes the resource dynamic of certain public network to form.VPN technologies commonly used at present have 2 layers of technology and 3 layers of technology, and virtual special local area network service VPLS (Private LAN Service) is a kind of 2 layers L2VPN technology, it shows as: a VPLS territory is just as 2 virtual layer switch, the user in same VPLS territory belongs to same virtual special local area network, can be interconnected.
In the network configuration of VPLS, we are with PE (Provider Edge, provider edge equipment) and the logical links between the PE be called PW (pseudo wire, virtual cable), UPE (Underlayer PE, the PE of lower floor are the equipment that directly links the user) and SPE (Superstratum PE, upper strata PE is the equipment that is positioned at network internal) between PW be called Spoke PW (insert PW).Carry out message forwarding at VPLS, need PE to set up ILM (Incoming Label Map, go into mark mapping) transmit, NHLFE (Next Hop Label Forwarding Entry, next jumps mark forwarding entry) transmit, outbound port chained list and Mac (Media Access Control, medium access control) transmits, transmit according to the relevant information of these tables.For the message forwarding mode that does not have Mac to transmit is broadcasting, so the Ethernet message for unknown unicast address, broadcast address and multicast address all adopts the mode of broadcasting to transmit in VPLS.Because there is the loop between PE in VPLS, adopt broadcast mode to E-Packet like this and will form the broadcasting ring, promptly form broadcast storm, can't realize control to message transmissions.
Prior art proposes message is transmitted the scenario of isolating for addressing this problem, thereby preventing to E-Packet forms the broadcasting ring, and reaches control to message transmissions with this.
In research and practice process to prior art, the inventor finds that there is following problem in prior art:
Prior art is the control that reaches message transmissions, and proposing needs message is transmitted a kind of conception of isolating, but does not provide the specific implementation method.
Summary of the invention
The embodiment of the invention provides a kind of message processing method and device, the isolation of can specific implementation message being transmitted, thus realize control to message transmissions.
The embodiment of the invention provides a kind of message processing method, comprising: receive message; Obtain going into isolation group information and going out isolation group information of message correspondence; If judge and describedly go into isolation group information and described to go out isolation group information identical, then with packet loss.
The embodiment of the invention provides a kind of message process device, comprising: information acquisition unit, after being used to receive message, obtain going into isolation group information and going out isolation group information of message correspondence; Judging unit is used to judge and describedly goes into isolation group information and whether described to go out isolation group information identical; First processing unit is used for going out describedly to go into isolation group information and go out isolation group information when identical with described in described judgment unit judges, with packet loss.
Technique scheme as can be seen, prior art does not specifically provide transmits the method for isolating to message, and the embodiment of the invention is by being provided with isolation group information, after obtaining the going into isolation group information and go out isolation group information of message correspondence, more describedly go into isolation group information and whether described to go out isolation group information identical, handle according to comparative result, when comparative result when being identical, with packet loss, promptly realized the isolation that message is transmitted, also just realized control to message transmissions.
Description of drawings
Fig. 1 is an embodiment of the invention message processing method flow chart;
Fig. 2 is the embodiment of the invention one a message processing method flow chart;
Fig. 3 is the embodiment of the invention two message processing method flow charts;
Fig. 4 is the embodiment of the invention three message processing method flow charts;
Fig. 5 is an embodiment of the invention message process device structural representation.
Embodiment
The embodiment of the invention provides a kind of message processing method and device, is used for the isolation that specific implementation is transmitted message, thereby realizes the control to message transmissions.
Seeing also Fig. 1, is embodiment of the invention message processing method flow chart, comprising:
101, receive message;
102, obtain going into isolation group information and going out isolation group information of message correspondence;
103, judge isolation group information and whether go out isolation group information identical, message is carried out different disposal according to judged result.
If judge and describedly go into isolation group information and described to go out isolation group information identical, then with packet loss, describedly go into isolation group information and described to go out isolation group information inequality if judge, then message is normally transmitted, thereby realization is to the control of message transmissions.
Seeing also Fig. 2, is the embodiment of the invention one message processing method flow chart.
Embodiment one can realize the isolation that interior PW of VPLS or Spoke PW E-Packet, and can prevent the formation of broadcast storm, below is to E-Packet with PW to illustrate, and E-Packets for Spoke PW, and its principle is the same.
Comprise among Fig. 2:
201, receive MPLS (Multiprotocol Label Switch, multiprotocol label switching) message;
PE in the VPLS network receives the MPLS message that sends over.
202, the label lookup ILM according to the MPLS message transmits, and obtains from described ILM transmits into PW isolation group information;
PE transmits according to the label lookup ILM in the MPLS message after receiving the MPLS message, obtains the pre-configured PW isolation group information of going into from described ILM transmits.Described here go into PW, receive the PW the PE of MPLS message being meant from the source PE that sends the MPLS message to this step.
At VSI (Virtual Switch Instance, empty forwarding instance) in, when specifying opposite end PE for certain PE, dispose the isolation group number of the PW between these two PE simultaneously, isolating group number is exactly the isolation group information of this PW under this VSI, adopt a unsigned number word to represent, for example be isolation group 1 or 2.When the size of isolation group is defined as two groups, can represent by a flag bit, as being 0,1 to represent isolation group 1 and isolation group 2 respectively by a bit value.If the size of isolation group surpasses two groups, then can represent by the value of a plurality of bits.After the configuration isolation group information, it is issued to during corresponding ILM table and NHLFE transmit, so transmits to transmit and to obtain PW isolation group information with NHLFE by searching ILM.
203, with the MPLS message from MPLS tunnel output, remove the MPLS encapsulation and change into Ethernet message, judge whether it is the clean culture Ethernet message according to the target MAC (Media Access Control) address of Ethernet message, if, enter 204, if not, enter 208;
The MPLS message is removed the MPLS encapsulation, change into Ethernet message, comprise the source and destination MAC Address in the Ethernet message.
204, search MAC according to the target MAC (Media Access Control) address in the Ethernet message and transmit, judge whether it is message, if not, enter 212, if enter 205 to PW according to the information of the outgoing interface that obtains;
205, the MPLS tunnel information of the message that obtains according to mac address table is searched the NHLFE table, obtains outbound port information and pre-configured go out PW isolation group information from described NHLFE table;
Described here go out PW, be meant that the PE that receives the MPLS message is to the PW between the purpose PE.
206, judge obtain go into PW isolation group information and whether go out PW isolation group information identical, if, enter 213, if not, enter 207;
207, Ethernet message is normally transmitted;
The clean culture Ethernet message is transmitted by the MAC Address corresponding output port;
208, the VSI that enters according to message finds out the port chained list, according to the outbound port information of outbound port chained list, judges whether it is message to PW, if not, enters 214, if enter 209;
209, according to the tunnel information of outbound port chained list, search NHLFE and transmit, obtain outbound port, label and go out PW isolation group information;
210, judge obtain go into PW isolation group information and whether go out PW isolation group information identical, if, enter 215, if not, enter 211;
211, Ethernet message is normally transmitted;
Ethernet message is transmitted by the outbound port that obtains;
212, Ethernet message is normally transmitted;
Outbound port in will transmitting according to MAC is transmitted.
213, judge it is same isolation group, therefore Ethernet message is abandoned;
214, Ethernet message is normally transmitted;
To transmit according to the outbound port in the outbound port chained list.
215, judge it is same isolation group, therefore Ethernet message is abandoned.
Seeing also Fig. 3, is the embodiment of the invention two message processing method flow charts.
Embodiment two can realize the isolation that access link AC (Attachment Circuit) E-Packets in the VPLS.In this way, the operator can dispose from the message of the distinct interface respective user of same PE access VPLS and can not transmit, and promptly can not exchange visits, and is merely able to visit the user on the far-end PE.For example can not conduct interviews, and can only carry out intercommunication with the user of general headquarters the user of the same enterprise of 2 different locations in same city (these 2 place users are at a distance of nearer, during access need on same PE).
Comprise among Fig. 3:
301, receive Ethernet message;
PE in the VPLS network receives the Ethernet message that the distinct interface respective user sends over.
302, search the incoming interface table according to the VSI interface of binding in the Ethernet message, from described incoming interface table, obtain incoming interface isolation group information;
To the distinct interface configuration isolation group number of same VSI, isolating group number is exactly the isolation group information of this interface under VSI, adopts a unsigned number word to represent on same PE.For example be isolation group 1 or 2.When the size of isolation group is defined as two groups, can represent by a flag bit, as being 0,1 to represent isolation group 1 and isolation group 2 respectively by a bit value.If the size of isolation group surpasses two groups, then can represent by the value of a plurality of bits.After the configuration isolation group information, it is issued in the corresponding interface table (also can be other correlation table), therefore can obtains interface isolation group information by searching the interface table.
303, according to the target MAC (Media Access Control) address of Ethernet message, judge whether Ethernet message is the clean culture Ethernet message, if, enter 304, if not, enter 308;
304, transmit according to the Mac address search Mac in the Ethernet message, obtain outgoing interface information;
305,, from described outgoing interface table, obtain outgoing interface isolation group information according to outgoing interface information searching outgoing interface table;
306, judge whether the incoming interface isolation group information of obtaining is identical with outgoing interface isolation group information, if, enter 312, if not, enter 307;
307, judge not in same isolation group, Ethernet message is normally transmitted;
Ethernet message is transmitted by the outgoing interface that obtains.
308, according to the VSI that inserts VPLS, find out the port chained list,, obtain outgoing interface information according to the nodal information in the outbound port chained list;
309,, from described outgoing interface table, obtain outgoing interface isolation group information according to outgoing interface information searching outgoing interface table;
310, judge whether the incoming interface isolation group information of obtaining is identical with outgoing interface isolation group information, if, enter 313, if not, enter 311;
311, judge not in same isolation group, Ethernet message is normally transmitted;
Ethernet message is transmitted by the outgoing interface that obtains.
312, judge in same isolation group, therefore Ethernet message is abandoned;
313 judge in same isolation group, therefore Ethernet message are abandoned.
Seeing also Fig. 4, is the embodiment of the invention three message processing method flow charts.
Embodiment three can realize the isolation that the port in the Vlan (Virtual Local Area Network, VLAN) E-Packets.In this way, the operator can not transmit by the message of the port in the configuration Vlan, the user that can be limited in the same Vlan on operator's switch can not exchange visits, can only enter the visit that operator's equipment allows by the upstream Interface of configuration, make things convenient for the operator to carry out the management and the monitoring of flow.
Comprise among Fig. 4:
401, receive Ethernet message;
Port in the Vlan receives the Ethernet message that sends over.
402, search the inbound port table according to the inbound port in the Ethernet message, from described inbound port table, obtain inbound port isolation group information;
The several port arrangement that join in the same Vlan are isolated group number, and isolating group number is exactly the isolation group information of this port under Vlan, adopts a unsigned number word to represent.For example be isolation group 1 or 2.When the size of isolation group is defined as two groups, can represent by a flag bit, as being 0,1 to represent isolation group 1 and isolation group 2 respectively by a bit value.If the size of isolation group surpasses two groups, then can represent by the value of a plurality of bits.After the configuration isolation group information, it is issued in the corresponding ports table (also can be other correlation table), therefore can obtains port isolation group information by searching port table.
403, judge that according to the target MAC (Media Access Control) address of Ethernet message whether message is the clean culture Ethernet message, if not, enters 408, if enter 404;
404, transmit according to the Mac address search Mac in the Ethernet message, obtain outbound port information;
405,, from described outbound port table, obtain outbound port isolation group information according to outbound port information searching outbound port table;
406, judge whether the inbound port isolation group information of obtaining is identical with outbound port isolation group information, if, enter 412, if not, enter 407;
407, judge not in same isolation group, Ethernet message is normally transmitted.
408, find out the port chained list according to inbound port Vlan,, obtain outbound port information according to the nodal information of outbound port chained list;
409,, from described outbound port table, obtain outbound port isolation group information according to outbound port information searching outbound port table;
410, judge whether the inbound port isolation group information of obtaining is identical with outbound port isolation group information, if, enter 413, if not, enter 411;
411, judge not in same isolation group, Ethernet message is normally transmitted;
Ethernet message is transmitted by the outbound port that obtains.
412, judge in same isolation group, therefore Ethernet message is abandoned;
413, judge in same isolation group, therefore Ethernet message is abandoned.
Foregoing describes embodiment of the invention message processing method in detail, and corresponding, the embodiment of the invention provides a kind of message process device.
Seeing also Fig. 5, is embodiment of the invention message process device structural representation.
As described in Figure 5, message process device comprises: information acquisition unit 501, judging unit 502, first processing unit 503.
Judging unit 502 is used to judge and describedly goes into isolation group information and whether described to go out isolation group information identical.
Message process device further comprises second processing unit 504, is used for judging describedly to go into isolation group information and describedly go out isolation group information when inequality at described judging unit 502, and message is normally transmitted.
Described information acquisition unit 501 is specially to be obtained from first tables of data into isolation group information, obtains out isolation group information from second tables of data.
Described information acquisition unit 501 is obtained describedly goes into isolation group information and is specially into virtual cable PW isolation group information or goes into access of virtual cable Spoke PW isolation group information, describedly go out isolation group information and be specially out PW isolation group information or go out Spoke PW isolation group information, described first tables of data is transmitted for going into mark mapping ILM, and second tables of data is jumped mark forwarding entry NHLFE for next and transmitted; Perhaps, described information acquisition unit 501 is obtained describedly goes into the incoming interface isolation group information that isolation group information is specially access link AC, describedly go out the outgoing interface isolation group information that isolation group information is specially AC, described first tables of data is the incoming interface table, and described second tables of data is the outgoing interface table; Perhaps, described information acquisition unit 501 is obtained describedly goes into the inbound port isolation group information that isolation group information is specially VLAN Vlan, describedly go out the outbound port isolation group information that isolation group information is specially Vlan, described first tables of data is the inbound port table, and described second tables of data is the outbound port table.
Message process device further comprises: dispensing unit 505 is used to adopt bit value sign isolation group information.Be 0,1 to represent isolation group 1 and isolation group 2 respectively for example by a bit value.If the size of isolation group surpasses two groups, then can represent by the value of a plurality of bits.
Message process device further comprises: type judging unit 506 is used for judging according to the target MAC (Media Access Control) address of message whether described message is the clean culture Ethernet message, if then described information acquisition unit 501 is transmitted according to MAC and searched second tables of data; If not, described information acquisition unit 501 is searched second tables of data according to the outbound port chained list.
In sum, the embodiment of the invention is by being provided with isolation group information, when obtain the message correspondence go into isolation group information and go out isolation group information after, more describedly go into isolation group information and whether described to go out isolation group information identical, handle according to comparative result, when comparative result when being identical, packet loss, promptly realized the isolation that message is transmitted, also just realized control message transmissions.
Further, embodiment of the invention technical scheme can be carried out the isolation of PW, can prevent broadcasting packet Cheng Huan in PW, realize simple, practical, and for transmit between PW, the Spoke PW of Hierarchical Virtual Private LAN Service or connect for cross-domain PW between forwarding all be suitable for.Embodiment of the invention technical scheme can also be carried out the isolation of AC, allows the VPLS user flexibility configuration of the same VSI that inserts same PE, increases the flexibility of networking, allows the operator better meet customer demand.Embodiment of the invention technical scheme can also realize the isolation of Vlan, thereby better manages and monitoring traffic in network.
The embodiment of the invention or its part can be stored in the computer-readable medium, this computer-readable medium can be the medium that comprises, stores, passes on, propagates or transmit computer program, described computer program is the program of use instruction with operation system and device, system or equipment that the embodiment of the invention was provided, or the program relevant with this instruction.This computer-readable medium can be electronics, magnetic, electromagnetism, optics, infrared or semi-conductive system, device, equipment, propagation medium or computer storage.
More than a kind of message processing method and device that the embodiment of the invention provided are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a message processing method is characterized in that, comprising:
Receive message;
Obtain going into isolation group information and going out isolation group information of message correspondence;
If judge and describedly go into isolation group information and described to go out isolation group information identical, then with packet loss.
2. message processing method according to claim 1 is characterized in that, described method further comprises:
If judge and describedly go into isolation group information and described to go out isolation group information inequality, then message is normally transmitted.
3. message processing method according to claim 1 and 2 is characterized in that, described the going into isolation group information and going out isolation group information and be specially of message correspondence that obtain:
From first tables of data, obtain into isolation group information;
From second tables of data, obtain out isolation group information.
4. message processing method according to claim 3 is characterized in that:
The described isolation group information of obtaining out from second tables of data further comprises before:
Judge according to the purpose medium access control MAC Address of message whether described message is the clean culture Ethernet message;
If then transmit and search second tables of data according to MAC; If not, then search second tables of data according to the outbound port chained list.
5. message processing method according to claim 3 is characterized in that:
Describedly go into isolation group information and be specially into virtual cable PW isolation group information or go into access of virtual cable Spoke PW isolation group information, describedly go out isolation group information and be specially out PW isolation group information or go out SpokePW isolation group information, described first tables of data is transmitted for going into mark mapping ILM, and second tables of data is jumped mark forwarding entry NHLFE for next and transmitted.
6. message processing method according to claim 3 is characterized in that:
Describedly go into the incoming interface isolation group information that isolation group information is specially access link AC, describedly go out the outgoing interface isolation group information that isolation group information is specially AC, described first tables of data is the incoming interface table, and described second tables of data is the outgoing interface table.
7. message processing method according to claim 3 is characterized in that:
Describedly go into the inbound port isolation group information that isolation group information is specially VLAN Vlan, describedly go out the outbound port isolation group information that isolation group information is specially Vlan, described first tables of data is the inbound port table, and described second tables of data is the outbound port table.
8. message processing method according to claim 1 and 2 is characterized in that:
Described isolation group information adopts the bit value to identify.
9. a message process device is characterized in that, comprising:
Information acquisition unit after being used to receive message, is obtained going into isolation group information and going out isolation group information of message correspondence;
Judging unit is used to judge and describedly goes into isolation group information and whether described to go out isolation group information identical;
First processing unit is used for going out describedly to go into isolation group information and go out isolation group information when identical with described in described judgment unit judges, with packet loss.
10. message process device according to claim 9 is characterized in that, further comprises:
Second processing unit is used for going out describedly to go into isolation group information and describedly go out isolation group information when inequality in described judgment unit judges, and message is normally transmitted.
11., it is characterized in that according to claim 9 or 10 described message process devices:
Described information acquisition unit is specially to be obtained from first tables of data into isolation group information, obtains out isolation group information from second tables of data.
12. message process device according to claim 11 is characterized in that:
Described information acquisition unit is obtained describedly goes into isolation group information and is specially into virtual cable PW isolation group information or goes into access of virtual cable Spoke PW isolation group information, describedly go out isolation group information and be specially out PW isolation group information or go out Spoke PW isolation group information, described first tables of data is transmitted for going into mark mapping ILM, and second tables of data is jumped mark forwarding entry NHLFE for next and transmitted;
Perhaps, described information acquisition unit is obtained describedly goes into the incoming interface isolation group information that isolation group information is specially access link AC, describedly go out the outgoing interface isolation group information that isolation group information is specially AC, described first tables of data is the incoming interface table, and described second tables of data is the outgoing interface table;
Perhaps, described information acquisition unit is obtained describedly goes into the inbound port isolation group information that isolation group information is specially VLAN Vlan, describedly go out the outbound port isolation group information that isolation group information is specially Vlan, described first tables of data is the inbound port table, and described second tables of data is the outbound port table.
13. according to claim 9 or 10 described message process devices, it is characterized in that, further comprise:
The type judging unit is used for judging according to the target MAC (Media Access Control) address of message whether described message is the clean culture Ethernet message;
If then described information acquisition unit is transmitted according to MAC and is searched second tables of data; If not, described information acquisition unit is searched second tables of data according to the outbound port chained list.
14. according to claim 9 or 10 described message process devices, it is characterized in that, further comprise:
Dispensing unit is used to adopt bit value sign isolation group information.
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| CNA2008100060736A CN101232446A (en) | 2008-02-01 | 2008-02-01 | Message processing method and apparatus |
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| CNA2008100060736A CN101232446A (en) | 2008-02-01 | 2008-02-01 | Message processing method and apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255785A (en) * | 2011-08-11 | 2011-11-23 | 杭州华三通信技术有限公司 | Network isolation method in VPLS (Virtual Private Lan Service) and device thereof |
| CN101459673B (en) * | 2008-12-08 | 2012-02-29 | 中兴通讯股份有限公司 | Method and equipment for communication between members of VPLN |
| CN102404179A (en) * | 2010-09-19 | 2012-04-04 | 杭州华三通信技术有限公司 | Method and device for processing message |
| CN104780089A (en) * | 2015-04-17 | 2015-07-15 | 杭州华三通信技术有限公司 | Message isolating method and device |
| US10771595B2 (en) | 2016-11-02 | 2020-09-08 | Huawei Technologies Co., Ltd. | Packet sending method and apparatus, chip, and terminal |
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2008
- 2008-02-01 CN CNA2008100060736A patent/CN101232446A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459673B (en) * | 2008-12-08 | 2012-02-29 | 中兴通讯股份有限公司 | Method and equipment for communication between members of VPLN |
| CN102404179A (en) * | 2010-09-19 | 2012-04-04 | 杭州华三通信技术有限公司 | Method and device for processing message |
| CN102404179B (en) * | 2010-09-19 | 2014-10-29 | 杭州华三通信技术有限公司 | Method and device for processing message |
| CN102255785A (en) * | 2011-08-11 | 2011-11-23 | 杭州华三通信技术有限公司 | Network isolation method in VPLS (Virtual Private Lan Service) and device thereof |
| CN102255785B (en) * | 2011-08-11 | 2014-05-07 | 杭州华三通信技术有限公司 | Network isolation method in VPLS (Virtual Private Lan Service) and device thereof |
| CN104780089A (en) * | 2015-04-17 | 2015-07-15 | 杭州华三通信技术有限公司 | Message isolating method and device |
| CN104780089B (en) * | 2015-04-17 | 2018-07-24 | 新华三技术有限公司 | Message partition method and device |
| US10771595B2 (en) | 2016-11-02 | 2020-09-08 | Huawei Technologies Co., Ltd. | Packet sending method and apparatus, chip, and terminal |
| CN108023683B (en) * | 2016-11-02 | 2020-12-25 | 华为技术有限公司 | Method, device, chip and terminal for sending message |
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