CN104125111A - Data transmission control method and device - Google Patents
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- CN104125111A CN104125111A CN201410351183.1A CN201410351183A CN104125111A CN 104125111 A CN104125111 A CN 104125111A CN 201410351183 A CN201410351183 A CN 201410351183A CN 104125111 A CN104125111 A CN 104125111A
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Abstract
The invention provides a data transmission control method and device which is suitable for the data transmission field. The data transmission control method comprises monitoring a BT (Bit Torrent) session establishment request for a specified source node; performing statistics on the number of BT sections established for the specified source node when the BT session establishment request is monitored; responding to the BT session establishment request and establishing a new BT section specified by the BT session establishment request if the statistical number of BT sections is smaller than a set threshold value; not responding to the BT session establishment request if the statistical number of BT sections is equal to the set threshold value. Accordingly the number of BT sections of every specified source node is limited by a router and accordingly network resources are reserved for the transmission of important data.
Description
Technical field
The invention belongs to field of data transmission, relate in particular to control method and the device of transfer of data.
Background technology
Bit rate (BitTorrent, BT) agreement is P2P host-host protocol emerging on a kind of the Internet.The BT providing by BT agreement downloads, different from conventional download, can be along with download user is more, and speed of download is faster.
But, if the one or more terminals in a subnet are carried out BT download by the same router of this subnet simultaneously, conventionally can or all take the Internet resources major part of this router; And then the terminal in this subnet cannot be carried out by this router the transmission of other significant datas.
Summary of the invention
The object of the present invention is to provide a kind of control method and device of transfer of data, with by the mode of controlling BT session number, ensure the normal transmission of other significant datas.
On the one hand, the invention provides a kind of control method of transfer of data, the control method of described transfer of data comprises:
Monitor the bit stream BT session establishment request for assigned source node;
In the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up;
If the BT session number counting is less than setting threshold, respond the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified;
If the BT session number counting equals described setting threshold, do not respond the request of described BT session establishment.
On the one hand, the invention provides a kind of control device of transfer of data, the control device of described transfer of data comprises:
Monitoring unit, for monitoring the bit stream BT session establishment request for assigned source node;
Statistic unit, in the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up;
Response unit, if be less than setting threshold for the BT session number counting, responds the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified;
Not response unit, if equal described setting threshold for the BT session number counting, does not respond the request of described BT session establishment.
On the one hand, the invention provides a kind of router, described router comprises the control device of above-mentioned transfer of data.
Beneficial effect of the present invention: in the BT session establishment request that listens to the transmission of assigned source node at every turn, all statistics has been once the BT session number that this assigned source node is set up; If the BT session number of having set up does not reach the upper limit (described setting threshold), respond the request of described BT session establishment, for the BT session of newly-built this BT session establishment request appointment of this assigned source node, if reached the upper limit, do not respond the request of described BT session establishment, do not set up more BT session for this assigned source node.Thereby limit the BT session number of each assigned source node by router, guarantee to be undertaken by this router the transmission of significant data.In addition, set up the mode of BT session number by restriction, can ensure that this assigned source node can send or receive other significant datas.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, 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 skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the workflow diagram of the control method of the transfer of data that provides of the embodiment of the present invention;
Fig. 2 is a kind of Optimizing Flow figure of the control method of the transfer of data that provides of the embodiment of the present invention;
Fig. 3 is another Optimizing Flow figure of the control method of the transfer of data that provides of the embodiment of the present invention;
Fig. 4 is the composition structure chart of the control device of the transfer of data that provides of the embodiment of the present invention;
Fig. 5 is the one optimization composition structure chart of the control device of the transfer of data that provides of the embodiment of the present invention;
Fig. 6 is a kind of concrete structure figure of statistic unit 62;
Fig. 7 is that another of control device of the transfer of data that provides of the embodiment of the present invention optimized composition structure chart.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.For technical solutions according to the invention are described, describe below by specific embodiment.
The control device of the transfer of data that the control method of the transfer of data that the embodiment of the present invention provides and the embodiment of the present invention provide is suitable for mutually.Wherein, the control device of this transfer of data is contained in router, and the source node described in this router and the embodiment of the present invention belongs to same subnet.Wherein, the source node described in the embodiment of the present invention comprises assigned source node.It should be noted that, can be connected with outer net by this router, for example be connected with Ethernet by this router, source node in subnet can carry out transfer of data by this router and outer net like this, for example source node by this router to the server uploading data in outer net, more for example source node by the server downloading data of this router from outer net.It should be noted that, the data (as the data of downloading or uploading) that the embodiment of the present invention is transmitted by this router for source node and outer net, do not limit at this, for example these data can be text, audio file, video file, application program etc.
The control method of the transfer of data providing for the embodiment of the present invention, referring to Fig. 1; Fig. 1 shows the workflow of the control method of the transfer of data that the embodiment of the present invention provides, and for convenience of description, only shows the part relevant to the embodiment of the present invention.
As shown in Figure 1, the control method of described transfer of data comprises step S1, step S2, step S3 and step S4.
Step S1, monitors the bit stream BT session establishment request for assigned source node.
In embodiments of the present invention, if there is the subnet that need to limit session number, using the source node in this subnet as assigned source node.In addition, if need to limit the session number point of the one or more source nodes in certain subnet, also using this source node as assigned source node.
In embodiments of the present invention, the control device of the transfer of data of router keeps listening state in real time, as long as the each source node in this router subnet of living in sends request to this router, this router all can listen to.
Distinguishingly, if user wishes the BT session of the node of setting up assigned source node (one in source node) and outer net, can trigger this assigned source node and generate the request of BT session establishment, send this BT session establishment request by this assigned source node to this router in subnet.It should be noted that, source node is an electric terminal; This electric terminal is made up of electronic devices and components such as integrated circuit, transistor, electron tubes, makes it have one or more functions by electronic technology or software engineering; Along with the development of electric terminal, there is the electric terminals such as intelligent television, desktop computer, intelligent electric appliance and mobile terminal.For this source node in this subnet is assigned the one or more IP address that belongs to this subnet; Preferably, the network interface number having according to this source node, is defined as the number of the IP address that this source node distributes.Similarly, the node of outer net is also an electric terminal.The node of outer net also has one or more IP address; The node (using its IP address) of this outer net carries out transfer of data by the source node (using its IP address) of the Internet and this subnet.
Correspondingly, the control device of the transfer of data of router can listen to this BT session establishment request.
Fig. 2 shows the workflow after a kind of optimization of control method of the transfer of data that the embodiment of the present invention provides, and for convenience of description, only shows the part relevant to the embodiment of the present invention.
Based on the improvement to the workflow shown in Fig. 1, as one embodiment of the present invention, as shown in Figure 2, before described monitoring this step of BT session establishment request for assigned source node, the control method of described transfer of data also comprises step S5, step S6 and step S7.
Step S5, carries out the filtering of source node according to subnet mask, to leach assigned source node;
Step S6, receives the session request that described assigned source node sends from dynamic port;
Step S7, judges whether the session request receiving is the request of BT session establishment.
In this preferred embodiment, router may have multiple IP simultaneously, and each IP is respectively in different sub-network, and then this router can be realized the transfer of data of different sub-network and outer net.
In this preferred embodiment, for the subnet that need to limit session number, using the source node in this subnet as assigned source node.
And then in step S5, the control device of the transfer of data of router is in the time receiving the session request of certain source node transmission in certain subnet, first judge whether this source node belongs to the subnet that needs to limit session number, concrete judgment mode is to use subnet mask to screen, and filters out the assigned source node belonging in the subnet that needs to limit session number.
And then in step S6, the operating system of installing for electric terminal (assigned source node), determines the dynamic port of this operating system; This dynamic port is the port that this operating system is not specified specific service temporarily.Under normal circumstances, when assigned source node need to be set up BT session, be all to set up this BT session by dynamic port, for example first send the request of BT session establishment by a dynamic port to router.And then accordingly, in the time there is the demand that limits BT session, for saving the time of searching port, and improve seek rate, the request that the control device of the transfer of data of router directly sends from dynamic port described assigned source node is carried out the screening of session request and is searched.
And then in step S7, the matched and searched that the request of BT session establishment is carried out in the session request further described assigned source node being sent from dynamic port.If matched and searched is to the request of BT session establishment, representative listens to the BT session establishment request that assigned source node sends.
Step S2, in the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up.
In embodiments of the present invention, the BT session number of setting up for the assigned source node being restricted in subnet; Listen to the BT session establishment request that this assigned source node sends at every turn, all can once add up, count the BT session number of having set up for described assigned source node.
And then whether be less than setting threshold according to the BT session number counting, determine execution step S3 or step S4.It should be noted that, this setting threshold is: only can set up the maximum BT session number of BT session for this assigned source node in subnet.
Fig. 3 shows the workflow of another optimization of the control method of the transfer of data that the embodiment of the present invention provides, and for convenience of description, only shows the part relevant to the embodiment of the present invention.
Based on the improvement to the workflow shown in Fig. 1, as one embodiment of the present invention, as shown in Figure 3, described statistics has been this step of BT session number that described assigned source node is set up, specifically comprises step S21, step S22 and step S23.
Step S21, mates screening with the IP address of described assigned source node to the source IP address in five-tuple, and coupling filters out the session corresponding with described assigned source node.
In this preferred embodiment, router for each session corresponding record of having set up five-tuple, comprise source IP address, source port, object IP address, destination interface and transport layer protocol number.
Use the IP address of described assigned source node, source IP address in the five-tuple of record carries out matched and searched, find out the session corresponding with the IP address of this assigned source node, if find the session corresponding with the IP address of described assigned source node, execution step S22.
Step S22, filters out BT session the session filtering out from coupling.
In this preferred embodiment, for the session corresponding with the IP address of described assigned source node, execution step S22, further matched and searched goes out BT session.
Step S23, the number of definite BT session filtering out, using definite number as described BT session number.
In this preferred embodiment, if execution step S22 finds BT session, the number of the BT session that statistics finds, using the number counting as the BT session number of having set up for described assigned source node.
Step S3, if the BT session number counting is less than setting threshold, responds the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified.
Step S4, if the BT session number counting equals described setting threshold, does not respond the request of described BT session establishment.
In embodiments of the present invention, in actual conditions, for different assigned source nodes in subnet, the data volume difference of its significant data that need transmit by this router, when by this router transmission significant data, the promptness of its transmission to significant data requires also different; Therefore, the embodiment of the present invention, for different assigned source nodes, is provided with setting threshold as required.
And then the control device of the transfer of data in router, often listens to the BT session establishment request that certain assigned source node sends, and will add up the BT session number of once having set up for this assigned source node.
Then, whether the BT session number that judgement counts is less than this setting threshold, if be less than, respond this this BT session establishment request, for the newly-built BT session again of this assigned source node, concrete newly-built this BT session is: the BT session between the node (node in outer net) that this assigned source node and described BT session establishment request are specified; Thereby, after this this BT session establishment request a newly-built BT session of response, be the BT session number increasing 1 that this assigned source node is set up.
But, the BT session number that decision statistic goes out equals this setting threshold, in the time that this receives the BT session establishment request of an assigned source node transmission, the BT session number of having set up for this assigned source node reaches this setting threshold, perform step S4, not responding the request of described BT session establishment, is not the newly-built more BT session of this assigned source node yet.
As the embodiment of the invention, provide a kind of specific works flow process of the control method of the transfer of data that the embodiment of the present invention provides, for convenience of description, only show the part relevant to the embodiment of the present invention; This specific works flow process comprises the following steps:
Steps A 1, the request that reception sources node sends, judges whether this request is session establishment request, if not, carry out normal response by prior art, if so, perform step A2;
Steps A 2, whether the source node that sends this request in determining step A1 is assigned source node, if not, carry out normal response by prior art, if so, perform step A3;
Steps A 3, whether the session establishment request of specifying source node to send in determining step A1 is the request of BT session establishment, if not, carry out normal response by prior art, if so, perform step A4;
Steps A 4, the control device of the transfer of data of router is added up the BT session number that this subnet (this this subnet comprises one or more assigned source nodes) has been set up.If equaling total session, the BT session number of having set up limits threshold value (higher limit of BT session number default, that this router can carry), the BT session number of having set up is reached for the upper limit of the BT session number of this subnet distribution, not responding the BT session establishment request that this assigned source node sends, is not the newly-built more BT session of arbitrary assigned source node in this subnet.Limit threshold value if the BT session number of having set up is less than total session, perform step A5;
Steps A 5, judge whether the BT session establishment request that this assigned source node sends belongs to illegal request (whether the rule of this BT session establishment request that inspection receives is legal), judging whether BT session that this assigned source node request sets up is legal (for example checks it is to set up BT session with which node of outer net, whether this node carries illegal invasion information, whether for example this node needs the corresponding illegal request of assigned source node again), if the BT session that the request of BT session establishment is illegal or request is set up is illegal, the BT session establishment request that this assigned source node of refusal response sends, if the BT session that the request of BT session establishment is legal and request is set up is legal, given step A6.
Steps A 6, the BT session number that statistics has been set up for this assigned source node (sending the assigned source node of this BT session establishment request), if the BT session number counting is less than setting threshold, respond the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified; If the BT session number counting equals described setting threshold, do not respond the request of described BT session establishment, be not the newly-built more BT session of this assigned source node (sending the assigned source node of this BT session establishment request).
Based on the improvement to the workflow shown in Fig. 1, Fig. 2 or Fig. 3, as one embodiment of the present invention, the control method of described transfer of data also comprises:
In the time listening to session restriction instruction, from filtering out one or more BT sessions the BT session for described assigned source node foundation, the number of the BT session filtering out is less than or equal to restriction threshold value.
In this preferred embodiment, restriction needs according to this router to the BT session of having set up at subnet, as needs transmit more significant data by this router, and need to discharge certain network bandwidth resources by this router, as a kind of mode of releasing network bandwidth resource, be exactly breaking part session connection, to cancel partial session, reduce the session number of setting up by this router.As a concrete mode of releasing network bandwidth resource, reset exactly the upper limit of the BT session number that can carry for each assigned source node, the higher limit that can carry the BT session number of this assigned source node is adjusted into restriction threshold value, it should be noted that, be set as different restriction threshold values for different assigned source nodes, for concrete a certain assigned source node, for the restriction threshold value of its setting may be greater than this setting threshold (embodiment of the present invention set up the predefined higher limit of BT session for this assigned source node), can set up more BT session for this assigned source node, but accordingly, need to significantly reduce the BT session number of part assigned source node, for this part source node is set much smaller than the restriction threshold value of setting threshold (embodiment of the present invention set up the predefined higher limit of BT session for this assigned source node).Certainly, more susceptible condition is that entirety is reduced to the BT session number that in subnet, each assigned source node is set up, and for each assigned source node in subnet, the BT session number for its distribution is reduced to restriction threshold value from this setting threshold.
And then, limit instruction if listen to session, representative need to be transmitted more significant data by this router, and need to discharge certain network bandwidth resources by this router, employing aforesaid way is reduced to the BT session that this assigned source node has been set up after determining this restriction threshold value; Preferably, screen according to the priority of the BT session of having set up for this assigned source node, filter out one or more important BT sessions; Need emphasize, from the BT session filtering out, further filter out and be less than or equal to the BT session that limits threshold value according to priority.As a concrete screening mode, for determining of the priority of BT session, need be taking the data volume of the current transmission of each BT session of this assigned source node as reference.
Based on the further improvement of this preferred embodiment, as this preferred embodiment one embodiment, described from filtering out one or more these steps of BT session the BT session for described assigned source node foundation, be specially: filter out the BT session that session traffic is less than limited flow rate.
In this embodiment, for each BT session of having set up for assigned source node, all need to carry out session traffic control to avoid single BT session to take too much bandwidth; Correspondingly, in the time each BT session number of setting up for assigned source node need to being reduced to restriction threshold value, in the process of the retainable BT session of screening, also need to consider the session traffic of BT session, ensure that the session traffic of the BT session filtering out can not exceed this limited flow rate.Like this, may further be router and save more Internet resources (as network traffics), ensure the normal transmission of significant data.
Those of ordinary skill in the art it is also understood that, the all or part of step realizing in above-described embodiment method is can carry out the hardware that instruction is relevant by program to complete, described program can be being stored in a computer read/write memory medium, described storage medium, comprises ROM/RAM, disk, CD etc.
It should be noted that, the control device of the transfer of data that the embodiment of the present invention provides is applicable to the control method of the transfer of data that the embodiment of the present invention provides.
Fig. 4 shows the composition structure of the control device of the transfer of data that the embodiment of the present invention provides, and for convenience of description, only shows the part relevant to the embodiment of the present invention.
The control device of the transfer of data that the present embodiment provides, as shown in Figure 4, the control device of described transfer of data comprises:
Monitoring unit 61, for monitoring the bit stream BT session establishment request for assigned source node;
Statistic unit 62, in the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up;
Response unit 63, if be less than setting threshold for the BT session number counting, responds the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified;
Not response unit 64, if equal described setting threshold for the BT session number counting, does not respond the request of described BT session establishment.
Fig. 5 shows the one of the control device of the transfer of data that the embodiment of the present invention provides and optimizes structure, and for convenience of description, only shows the part relevant to the embodiment of the present invention.The further improvement of the composition structure of the control device based on to the transfer of data shown in Fig. 4, in the present invention one preferably implements, as shown in Figure 5, the control device of described transfer of data also comprises:
Leach unit 65, for carry out the filtering of source node according to subnet mask, to leach assigned source node;
Receiving element 66, the session request sending from dynamic port for receiving described assigned source node;
Judging unit 67, for judging whether the session request receiving is the request of BT session establishment.
Fig. 6 provides a kind of concrete structure of statistic unit 62, for convenience of description, only shows the part relevant to the embodiment of the present invention.The further improvement of the composition structure of the control device of the transfer of data providing based on the embodiment of the present invention, in the present invention one preferably implements, as shown in Figure 6, described statistic unit 62 comprises:
Coupling screening unit 621, mates screening for the IP address with described assigned source node to the source IP address of five-tuple, and coupling filters out the session corresponding with described assigned source node;
Screening unit 622, filters out BT session for the session filtering out from coupling;
Determining unit 623, for determining the number of the BT session filtering out, using definite number as described BT session number.
Fig. 7 shows another of control device of the transfer of data that the embodiment of the present invention provides and optimizes structure, and for convenience of description, only shows the part relevant to the embodiment of the present invention.The further improvement of the composition structure of the control device of the transfer of data providing based on the embodiment of the present invention, in the present invention one preferably implements, as shown in Figure 7, the control device of described transfer of data also comprises:
Limit unit 68, in the time listening to session restriction instruction, from filtering out one or more BT sessions the BT session for described assigned source node foundation, the number of the BT session filtering out is less than or equal to restriction threshold value.
The further improvement of the composition structure of the control device of the transfer of data providing based on Fig. 6, in the present invention one preferably implements, described restriction unit 68 also for: filter out the BT session that session traffic is less than limited flow rate.
It will be appreciated by those skilled in the art that the included unit of control device of the transfer of data providing for the embodiment of the present invention is just divided according to function logic, but be not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit also, just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
The embodiment of the present invention also provides a kind of router, and described router comprises the control device of above-mentioned transfer of data.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; make without departing from the inventive concept of the premise some alternative or obvious modification that are equal to; and performance or purposes identical, all should be considered as belonging to the present invention by the definite scope of patent protection of submitted to claims.
Claims (10)
1. a control method for transfer of data, is characterized in that, the control method of described transfer of data comprises:
Monitor the bit stream BT session establishment request for assigned source node;
In the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up;
If the BT session number counting is less than setting threshold, respond the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified;
If the BT session number counting equals described setting threshold, do not respond the request of described BT session establishment.
2. the control method of transfer of data as claimed in claim 1, is characterized in that, before described monitoring this step of BT session establishment request for assigned source node, the control method of described transfer of data also comprises:
Carry out the filtering of source node according to subnet mask, to leach assigned source node;
Receive the session request that described assigned source node sends from dynamic port;
Judge whether the session request receiving is the request of BT session establishment.
3. the control method of transfer of data as claimed in claim 1, is characterized in that, described statistics has been this step of BT session number that described assigned source node is set up, specifically comprises:
Screening is mated to the source IP address in five-tuple in IP address with described assigned source node, and coupling filters out the session corresponding with described assigned source node;
The session filtering out from coupling, filter out BT session;
Determine the number of the BT session filtering out, using definite number as described BT session number.
4. the control method of the transfer of data as described in claims 1 to 3 any one, is characterized in that, the control method of described transfer of data also comprises:
In the time listening to session restriction instruction, from filtering out one or more BT sessions the BT session for described assigned source node foundation, the number of the BT session filtering out is less than or equal to restriction threshold value.
5. the control method of transfer of data as claimed in claim 4, is characterized in that, described from filtering out one or more these steps of BT session the BT session for described assigned source node foundation, is specially:
Filter out the BT session that session traffic is less than limited flow rate.
6. a control device for transfer of data, is characterized in that, the control device of described transfer of data comprises:
Monitoring unit, for monitoring the bit stream BT session establishment request for assigned source node;
Statistic unit, in the time listening to described BT session establishment request, statistics has been the BT session number that described assigned source node is set up;
Response unit, if be less than setting threshold for the BT session number counting, responds the BT session that the request of described BT session establishment newly-built described BT session establishment request are specified;
Not response unit, if equal described setting threshold for the BT session number counting, does not respond the request of described BT session establishment.
7. the control device of transfer of data as claimed in claim 6, is characterized in that, the control device of described transfer of data also comprises:
Leach unit, for carry out the filtering of source node according to subnet mask, to leach assigned source node;
Receiving element, the session request sending from dynamic port for receiving described assigned source node;
Judging unit, for judging whether the session request receiving is the request of BT session establishment.。
8. the control device of transfer of data as claimed in claim 6, is characterized in that, described statistic unit comprises:
Coupling screening unit, mates screening for the IP address with described assigned source node to the source IP address of five-tuple, and coupling filters out the session corresponding with described assigned source node;
Screening unit, filters out BT session for the session filtering out from coupling;
Determining unit, for determining the number of the BT session filtering out, using definite number as described BT session number.
9. the control device of the transfer of data as described in claim 6 to 8 any one, is characterized in that, the control device of described transfer of data also comprises:
Limit unit, in the time listening to session restriction instruction, from filtering out one or more BT sessions the BT session for described assigned source node foundation, the number of the BT session filtering out is less than or equal to restriction threshold value.
10. the control device of transfer of data as claimed in claim 9, is characterized in that, described restriction unit also for: filter out the BT session that session traffic is less than limited flow rate.
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| CN1863154A (en) * | 2005-10-18 | 2006-11-15 | 华为技术有限公司 | Method for limiting current for point to point application |
| CN101087298B (en) * | 2006-06-08 | 2010-09-01 | 中国电信股份有限公司 | A method for controlling P2P download bandwidth based on TCP/UDP uplink session number |
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