CN103780488A - Broadcast message processing method and device - Google Patents
Broadcast message processing method and device Download PDFInfo
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- CN103780488A CN103780488A CN201210405862.3A CN201210405862A CN103780488A CN 103780488 A CN103780488 A CN 103780488A CN 201210405862 A CN201210405862 A CN 201210405862A CN 103780488 A CN103780488 A CN 103780488A
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Abstract
The invention discloses a broadcast message processing method and a device and relates to the field of message transmission. The method comprises steps of: acquiring broadcast messages in one direction, analyzing the acquired broadcast messages to obtain message feature information of the broadcast messages, dividing the acquired broadcast messages into different types according to the message feature information, and carrying out rate inhibition on each broadcast message type. Through the above fine-grained message inhibition scheme, on one hand, the broadcast messages in the uplink or downlink direction can be effectively inhabited, and on the other hand, normal broadcast messages needed by various services can be ensured to be forwarded as much as possible while the broadcast storm is effectively inhabited.
Description
Technical field
The present invention relates to message transmissions field, particularly a kind of broadcasting packet processing method and equipment.
Background technology
Carry out based on EPON (Passive Optical Network in scale; be called for short PON) broadband access network process of construction in; once occur that broadcast storm will take a large amount of network bandwidths in passive optical network; the network performance of EPON declines, and causes regular traffic not move.
On the exchange chip of the current optical line terminal at EPON (Optical Line Terminal is called for short OLT) equipment, support broadcast inhibit feature.Optical line terminal has been set the higher limit of the broadcasting packet of its a direction that can forward within the unit interval (being up direction or down direction), if the broadcasting packet of this direction that optical line terminal receives within the unit interval exceedes this higher limit of setting, any broadcasting packet receiving after this higher limit all will be dropped.For example, optical line terminal up direction transfer capability is that 100pps(bag is per second), per second of optical line terminal forwards 100 broadcasting packets, and the up broadcasting packet after inherent the 100th per second will be dropped.
Existing broadcast suppresses scheme and suppresses for the total amount that forwards broadcasting packet in the unit interval, exceeding higher limit any broadcasting packet afterwards all will be dropped, the required normal broadcasting packet of some of them business also will be dropped, the in the situation that of particularly there is broadcast storm in network, a large amount of general broadcast messages can tie up limited transfer resource, cause a lot of normal broadcasting packets to be dropped, traffic affecting is carried out.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: a kind of broadcasting packet processing method and equipment are provided, suppress scheme and can affect the problem of regular traffic to solve when the broadcast storm existing broadcast.
A kind of broadcasting packet processing method providing according to the embodiment of the present invention aspect, comprising:
Obtain the broadcasting packet of a direction; The broadcasting packet obtaining is resolved, obtain the message characteristic information of broadcasting packet; According to message characteristic information, the broadcasting packet obtaining is divided into different types; Broadcasting packet for each type carries out speed inhibition.
As a kind of exemplary execution mode, describedly according to message characteristic information, the broadcasting packet obtaining is divided into different types and comprises: broadcasting packet identical to source MAC, port numbers or protocol type is divided into the broadcasting packet of a type.
As a kind of exemplary execution mode, the speed of carrying out the described broadcasting packet for each type suppresses to comprise: suppress threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding described basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to described basic broadcast and suppress threshold value, the broadcasting packet that does not exceed described basic broadcast inhibition threshold value is not carried out to speed inhibition.
As a kind of exemplary execution mode, the described broadcasting packet for each type carries out speed inhibition and also comprises: upwards total forwarding rate of all broadcasting packets of statistics the party, suppresses threshold value according to described total forwarding rate to basic broadcast and adjusts and recover.
As a kind of exemplary execution mode, describedly according to described total forwarding rate, basic broadcast is suppressed that threshold value is adjusted and recovery comprises: total broadcast upwards suppresses threshold value if described total forwarding rate exceedes the party, and after lasting very first time section, reduce according to a certain percentage basic broadcast and suppress threshold value; If described total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.
A kind of broadcasting packet treatment facility providing according to another aspect of the embodiment of the present invention, comprising:
Receive message unit, for obtaining the broadcasting packet of a direction; Packet parsing unit, for the broadcasting packet obtaining is resolved, obtains the message characteristic information of broadcasting packet; Message division unit, for being divided into different types according to message characteristic information by the broadcasting packet obtaining; And speed inhibition unit, carry out speed inhibition for the broadcasting packet for each type.
As a kind of exemplary execution mode, described message division unit is specifically for being divided into broadcasting packet identical source MAC the broadcasting packet of a type.
As a kind of exemplary execution mode, described speed suppresses unit specifically for suppressing threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding described basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to described basic broadcast and suppress threshold value, the broadcasting packet that does not exceed described basic broadcast inhibition threshold value is not carried out to speed inhibition.
As a kind of exemplary execution mode, this equipment also comprises: threshold adjustment unit, for adding up upwards total forwarding rate of all broadcasting packets of the party, suppresses threshold value according to described total forwarding rate to basic broadcast and adjusts and recover.
As a kind of exemplary execution mode, described threshold adjustment unit is specifically for upwards total forwarding rate of all broadcasting packets of statistics the party, if described total forwarding rate exceedes the party, total broadcast upwards suppresses threshold value, and after lasting very first time section, reduce according to a certain percentage basic broadcast and suppress threshold value; If described total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.
Based on broadcasting packet processing scheme provided by the invention, by the broadcasting packet of a direction of obtaining being divided into different types according to message characteristic information, then carry out speed inhibition for the broadcasting packet of each type, this fine-grained message suppresses the broadcasting packet that scheme can effectively suppress upstream or downstream direction on the one hand, can, in effectively suppressing broadcast storm, ensure as far as possible the forwarding of the required normal broadcasting packet of miscellaneous service on the other hand.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 illustrates the interior broadcasting packet Processing Interface schematic diagram of the passive optical network of exemplary embodiment of the present invention.
Fig. 2 illustrates the schematic flow sheet of the broadcasting packet processing method of exemplary embodiment of the present invention.
Fig. 3 illustrates the schematic flow sheet of the broadcasting packet processing method of another exemplary embodiment of the present invention.
Fig. 4 illustrates the structural representation of the broadcasting packet treatment facility of exemplary embodiment of the present invention.
Fig. 5 illustrates the structural representation of the broadcasting packet treatment facility of another exemplary embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Unless illustrate in addition, otherwise the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step not limited the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than suppress as speed.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Broadcasting packet processing method provided by the invention is applicable to various communication networks, includes but not limited to EPON.Fig. 1 illustrates broadcasting packet Processing Interface schematic diagram in passive optical network.As shown in Figure 1, EPON comprises optical line terminal (OLT) 101, Optical Distribution Network (ODN) 102, and optical network unit (ONU) 103 and Optical Network Terminal (ONT) 104.The upper connecting port of optical line terminal 101 is SNI (SNI), and its second line of a couplet interface is PON interface.The upper connecting port of ONU103/ONT104 is PON interface, and its second line of a couplet interface is user network side interface (UNI).In the present invention, can be at optical line terminal deploy broadcast inhibit feature, optical line terminal can suppress the broadcasting packet of up direction or down direction, wherein the broadcasting packet of up direction refers to the broadcasting packet of the PON interface Inbound of optical line terminal, and the broadcasting packet of down direction refers to the broadcasting packet of the SNI Inbound of optical line terminal.
Fig. 2 illustrates the schematic flow sheet of the broadcasting packet processing method of exemplary embodiment of the present invention.As shown in Figure 2, this embodiment broadcasting packet processing method comprises the following steps:
S202, optical line terminal obtains the broadcasting packet of a direction, and wherein this direction can be up direction or down direction.
As a kind of exemplary Receive message mode, for the broadcasting packet of up direction, can be obtained as EPON medium access control (MAC) chip by the related chip of optical line terminal business board.For the broadcasting packet of down direction, can be obtained as exchange chip by the related chip of optical line terminal master control board card.
S204, optical line terminal is resolved the broadcasting packet obtaining, and obtains the message characteristic information of broadcasting packet, and wherein message characteristic information includes but not limited to source MAC, port numbers, protocol type forwarding rate etc.
S206, optical line terminal is divided into different types according to message characteristic information by the broadcasting packet obtaining.
As a kind of exemplary message dividing mode, optical line terminal can be divided type of message according to source MAC, for example, broadcasting packet identical source MAC can be divided into the broadcasting packet of a type.Again for example, optical line terminal can be divided type of message according to the information such as protocol type or port numbers, and protocol type or the identical broadcasting packet of port numbers are divided into the broadcasting packet of a type.
S208, optical line terminal carries out speed inhibition for the broadcasting packet of each type.
As a kind of exemplary speed suppressor mode, can suppress threshold value for various types of broadcasting packets arrange basic broadcast, to suppress threshold value according to basic broadcast, the broadcasting packet of every type is carried out respectively to speed inhibition.This broadcasts inhibition threshold value substantially can be arranged to a value, also can be arranged to different values for dissimilar broadcasting packet, and can different basic broadcast inhibition threshold values be set for up direction or down direction.After basic broadcast suppresses threshold value setting, optical line terminal can suppress threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to basic broadcast and suppress threshold value, the broadcasting packet that suppresses threshold value to not exceeding basic broadcast does not carry out speed inhibition.
Above-mentioned speed suppressor mode, is controlled respectively for dissimilar broadcasting packet, and the broadcasting packet of every type can be forwarded, and avoids because a certain or several messages tie up in a large number transfer resource, cause other normal broadcasting packets to transmit.
Because type and the quantity of message are dynamic changes, can adapt to this variation in order to make basic broadcast suppress threshold value, in the time carrying out speed inhibition, further upwards total forwarding rate of all broadcasting packets of statistics the party, suppresses threshold value according to total forwarding rate to basic broadcast and adjusts and recover.
In the time adjusting basic broadcast inhibition threshold value, a party total broadcast upwards can be set and suppress threshold value, if total forwarding rate of statistics exceedes the party, total broadcast upwards suppresses threshold value, and after lasting very first time section, can reduce according to a certain percentage basic broadcast and suppress threshold value.In the time of specific implementation, a timer can be set, if total forwarding rate of statistics exceedes the party, total broadcast upwards suppresses threshold value, and reaches after the very first time section of timer setting, reduces according to a certain percentage basic broadcast and suppresses threshold value.Very first time section can configure, for example, can be 30 seconds, but be not limited to this.The ratio that basic broadcast inhibition threshold value reduces can configure, for example, can be 1/2, but be not limited to this.
In the time recovering basic broadcast inhibition threshold value, a party total broadcast upwards can be set and suppress to recover threshold value, if total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.In the time of specific implementation, a timer can be set, if total forwarding rate of statistics does not exceed the party, total broadcast upwards suppresses to recover threshold value, and reaches after the second time period of timer setting, can return to the value before adjustment by substantially broadcasting inhibition threshold value.The second time period can configure, for example, can be 300 seconds, but be not limited to this.
Above-mentioned broadcasting packet processing method, by the broadcasting packet of a direction of obtaining being divided into different types according to message characteristic information, then carry out speed inhibition for the broadcasting packet of each type, this fine-grained message suppresses the broadcasting packet that scheme can effectively suppress upstream or downstream direction on the one hand, can, in effectively suppressing broadcast storm, ensure as far as possible the forwarding of the required normal broadcasting packet of miscellaneous service on the other hand.
Above-mentioned broadcasting packet processing method is applicable to the broadcasting packet of up direction and down direction, and except obtaining difference of message, the broadcasting packet processing method of up direction and down direction is identical.Take up direction as example, broadcasting packet processing method is described below.But those skilled in the art, in conjunction with Fig. 2 and description embodiment illustrated in fig. 3, can draw down direction broadcasting packet processing method by simple replacement, for specification is succinct and outstanding main points of the present invention, do not repeat them here.
Fig. 3 illustrates the schematic flow sheet of the broadcasting packet processing method of another exemplary embodiment of the present invention.As shown in Figure 3, this embodiment, for the broadcasting packet of up direction, comprises the following steps:
S302, the related chip of the business board of optical line terminal, as PON MAC chip, obtains the broadcasting packet of up direction.
S304, optical line terminal is resolved the broadcasting packet obtaining, and obtains the message characteristic information of broadcasting packet, and wherein message characteristic information includes but not limited to source MAC, forwarding rate etc.
S306, optical line terminal is divided into different types according to message characteristic information by the broadcasting packet obtaining, for example, broadcasting packet identical to source MAC, protocol type or port numbers can be divided into the broadcasting packet of a type.
S308, optical line terminal can suppress threshold value according to the basic broadcast on the up direction arranging, suppress the broadcasting packet of the each type of threshold value to exceeding basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to basic broadcast and suppress threshold value, the broadcasting packet that suppresses threshold value to not exceeding basic broadcast does not carry out speed inhibition.Wherein, this broadcasts inhibition threshold value substantially can be arranged to a value, also can be arranged to different values for dissimilar broadcasting packet.
Because type and the quantity of message are dynamic changes, can adapt to this variation in order to make basic broadcast suppress threshold value, in the time carrying out speed inhibition, further total forwarding rate of all broadcasting packets on statistics up direction, suppresses threshold value according to total forwarding rate to basic broadcast and adjusts and recover.
S310, in the time adjusting basic broadcast inhibition threshold value, total broadcast that can arrange on a up direction suppresses threshold value, if total broadcast that total forwarding rate of statistics exceedes on up direction suppresses threshold value, and after lasting very first time section, can reduce according to a certain percentage basic broadcast and suppress threshold value.In the time of specific implementation, a timer can be set, if total broadcast that total forwarding rate of statistics exceedes on up direction suppresses threshold value, and reach after the very first time section of timer setting, reduce according to a certain percentage basic broadcast and suppress threshold value.Very first time section can configure, for example, can be 30 seconds, but be not limited to this.The ratio that basic broadcast inhibition threshold value reduces can configure, for example, can be 1/2, but be not limited to this.
S312, in the time recovering basic broadcast inhibition threshold value, total broadcast that can arrange on a up direction suppresses to recover threshold value, if total broadcast that total forwarding rate does not exceed on up direction suppresses to recover threshold value, and continue after the second time period, return to the value before adjustment by substantially broadcasting inhibition threshold value.In the time of specific implementation, a timer can be set, if total broadcast that total forwarding rate of statistics does not exceed on up direction suppresses to recover threshold value, and reach after the second time period of timer setting, can return to the value before adjustment by substantially broadcasting inhibition threshold value.The second time period can configure, for example, can be 300 seconds, but be not limited to this.
Above-mentioned broadcasting packet processing method, by the broadcasting packet of the up direction obtaining being divided into different types according to message characteristic information, then carry out speed inhibition for the broadcasting packet of each type, this fine-grained message suppresses the broadcasting packet that scheme can effectively suppress up direction on the one hand, can, in effectively suppressing broadcast storm, ensure as far as possible the forwarding of the required normal broadcasting packet of miscellaneous service on the other hand.
Fig. 4 illustrates the structural representation of the broadcasting packet treatment facility of exemplary embodiment of the present invention.This equipment includes but not limited to optical line terminal.
As shown in Figure 4, the broadcasting packet treatment facility of this embodiment comprises: Receive message unit 402, for obtaining the broadcasting packet of a direction; Packet parsing unit 404, for the broadcasting packet obtaining is resolved, obtains the message characteristic information of broadcasting packet; Message division unit 406, for being divided into different types according to message characteristic information by the broadcasting packet obtaining; And speed inhibition unit 408, carry out speed inhibition for the broadcasting packet for each type.
The broadcasting packet that Receive message unit 402 obtains can be up direction or down direction.For the broadcasting packet of up direction, can be obtained as PON MAC chip by the related chip of optical line terminal business board.For the broadcasting packet of down direction, can be obtained as exchange chip by the related chip of optical line terminal master control board card.
As a kind of exemplary execution mode, message division unit 406 is specifically for being divided into broadcasting packet identical source MAC the broadcasting packet of a type.
As a kind of exemplary execution mode, speed suppresses unit 408 specifically for suppressing threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to basic broadcast and suppress threshold value, the broadcasting packet that suppresses threshold value to not exceeding basic broadcast does not carry out speed inhibition.Wherein, basic broadcast suppresses threshold value can be arranged to a value, also can be arranged to different values for dissimilar broadcasting packet, and can different basic broadcast inhibition threshold values be set for up direction or down direction.
Because type and the quantity of message are dynamic changes, can adapt to this variation in order to make basic broadcast suppress threshold value, shown in Figure 5, the broadcasting packet treatment facility of this embodiment further comprises: threshold adjustment unit 510, for adding up upwards total forwarding rate of all broadcasting packets of the party, according to total forwarding rate, basic broadcast is suppressed to threshold value and adjust and recover.
As a kind of exemplary execution mode, threshold adjustment unit 510 is specifically for upwards total forwarding rate of all broadcasting packets of statistics the party, if total forwarding rate exceedes the party, total broadcast upwards suppresses threshold value, and after lasting very first time section, reduce according to a certain percentage basic broadcast and suppress threshold value; If total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.
Above-mentioned broadcasting packet treatment facility, by the broadcasting packet of the up direction obtaining being divided into different types according to message characteristic information, then carry out speed inhibition for the broadcasting packet of each type, this fine-grained message suppresses the broadcasting packet that scheme can effectively suppress up direction on the one hand, can, in effectively suppressing broadcast storm, ensure as far as possible the forwarding of the required normal broadcasting packet of miscellaneous service on the other hand.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a broadcasting packet processing method, is characterized in that, comprising:
Obtain the broadcasting packet of a direction;
The broadcasting packet obtaining is resolved, obtain the message characteristic information of broadcasting packet;
According to message characteristic information, the broadcasting packet obtaining is divided into different types;
Broadcasting packet for each type carries out speed inhibition.
2. method according to claim 1, is characterized in that, describedly according to message characteristic information, the broadcasting packet obtaining is divided into different types and comprises:
Source medium access control MAC Address, port numbers or the identical broadcasting packet of protocol type are divided into the broadcasting packet of a type.
3. method according to claim 1, is characterized in that, the described broadcasting packet for each type carries out speed to be suppressed to comprise:
Suppress threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding described basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to described basic broadcast and suppress threshold value, the broadcasting packet that does not exceed described basic broadcast inhibition threshold value is not carried out to speed inhibition.
4. method according to claim 3, is characterized in that, the described broadcasting packet for each type carries out speed inhibition and also comprises:
Upwards total forwarding rate of all broadcasting packets of statistics the party, suppresses threshold value according to described total forwarding rate to basic broadcast and adjusts and recover.
5. method according to claim 4, is characterized in that, describedly according to described total forwarding rate, basic broadcast is suppressed that threshold value is adjusted and recovery comprises:
If described total forwarding rate exceedes the party, total broadcast upwards suppresses threshold value, and after lasting very first time section, reduces according to a certain percentage basic broadcast and suppress threshold value;
If described total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.
6. a broadcasting packet treatment facility, is characterized in that, comprising:
Receive message unit, for obtaining the broadcasting packet of a direction;
Packet parsing unit, for the broadcasting packet obtaining is resolved, obtains the message characteristic information of broadcasting packet;
Message division unit, for being divided into different types according to message characteristic information by the broadcasting packet obtaining; And
Speed suppresses unit, carries out speed inhibition for the broadcasting packet for each type.
7. equipment according to claim 6, is characterized in that, described message division unit specifically for
Source medium access control MAC Address, port numbers or the identical broadcasting packet of protocol type are divided into the broadcasting packet of a type.
8. equipment according to claim 6, is characterized in that, described speed suppress unit specifically for
Suppress threshold value according to the party who arranges basic broadcast upwards, suppress the broadcasting packet of the each type of threshold value to exceeding described basic broadcast and implement speed inhibition, make its forwarding rate be less than or equal to described basic broadcast and suppress threshold value, the broadcasting packet that does not exceed described basic broadcast inhibition threshold value is not carried out to speed inhibition.
9. equipment according to claim 8, is characterized in that, also comprises:
Threshold adjustment unit, for adding up upwards total forwarding rate of all broadcasting packets of the party, suppresses threshold value according to described total forwarding rate to basic broadcast and adjusts and recover.
10. equipment according to claim 9, it is characterized in that, described threshold adjustment unit is specifically for upwards total forwarding rate of all broadcasting packets of statistics the party, if described total forwarding rate exceedes the party, total broadcast upwards suppresses threshold value, and after lasting very first time section, reduce according to a certain percentage basic broadcast and suppress threshold value; If described total forwarding rate does not exceed the party, total broadcast upwards suppresses to recover threshold value, and continues after the second time period, returns to the value before adjustment by substantially broadcasting inhibition threshold value.
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