CN105228197A - The system of selection of buffer memory business device, equipment and system - Google Patents
The system of selection of buffer memory business device, equipment and system Download PDFInfo
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- CN105228197A CN105228197A CN201510631558.4A CN201510631558A CN105228197A CN 105228197 A CN105228197 A CN 105228197A CN 201510631558 A CN201510631558 A CN 201510631558A CN 105228197 A CN105228197 A CN 105228197A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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Abstract
The invention discloses the system of selection of a kind of buffer memory business device, equipment and system, described method comprises: store the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report; When receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide each equipment of buffer memory business are carried be sent in the response message described can sleeping devices.In the present invention, main equipment storage provides the relevant information of each equipment of buffer memory business, can make can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, not only save network overhead, and improve search efficiency.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the system of selection of a kind of buffer memory business device, equipment and system.
Background technology
Wi-Fi Alliance has formulated the standard criterion of closing on and finding network N AN (NeighborAwarenessNetwork).The business that this specification purport provides in low-power consumption, fast discovery surrounding devices.
NAN technology is by time synchronized, in the discovery time window appointed, carry out service discovering.2 large class message are defined: beacon Beacon and service discovering in current standard.Beacon Beacon is divided into again synchronous Beacon and finds Beacon.Find that Beacon is transmitted in discovery time outside window, for finding NANCluster (group that NANCluster is made up of multiple equipment, in this group, time synchronized, uses identical time window to carry out service discovering); Synchronous Beacon is the equipment time synchronized for making in NANCluster.Service discovering message is used in discovery time window, for find place NANCluster in the business that provides of other equipment.
In NAN network, every cluster equipment is concentrated, and by the highest grade equipment as main equipment, main equipment is mainly used in time synchronized and device discovery.This equipment carries out time synchronized by transmitting time sync beacon Beacon, sends and finds that beacon beacon carries out the discovery of equipment collection.
In a NANCluster, each equipment needs to carry out SM service monitoring in the time window found, comprises the business of broadcast oneself, or receives the business demand of other equipment, carry out the discovery between finishing service.
But low power consuming devices carries out service discovering frequently in discovery time window, power consumption can be increased, therefore they need one the equipment of more capable can be provided to help, and make low power consuming devices can dormancy in several continuous print discovery time window, and minimum affect service discovering.But, when there is multiple equipment and providing buffer memory business for sleeping devices, how should carry out equipment choice and become technical problem to be solved by this invention.
Summary of the invention
In view of the above problems, propose the present invention in case provide a kind of solve the problem the system of selection of buffer memory business device, equipment and system.
According to one aspect of the present invention, the system of selection of a kind of buffer memory business device is provided, is applied to main equipment side, comprises:
Store the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
When receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
Alternatively, in the method for the invention, described when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that there is provided the equipment of buffer memory business are carried be sent in the response message described can sleeping devices, specifically comprise: when receive can sleeping devices send the message of request buffer memory business time, detect self and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of self is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide the equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.
Alternatively, the method for the invention also comprises: according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sorts to providing each equipment of buffer memory business;
Described when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that there is provided the equipment of buffer memory business are carried be sent in the response message described can sleeping devices, specifically comprise: when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.
Alternatively, the method for the invention also comprises:
When again receiving the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report, the existing information of this equipment stored is upgraded;
And when providing the memory space inadequate of equipment of buffer memory business, receiving the memory space inadequate notification message providing the equipment of buffer memory business to send, is that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
According to another aspect of the present invention, provide the system of selection of a kind of buffer memory business device, being applied to can sleeping devices side, comprising:
The message of request buffer memory business is initiated to main equipment;
Receive the response message of described main equipment feedback;
When carrying the buffer memory professional ability information of the equipment providing buffer memory business in described response message, send buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in described response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
According to the 3rd aspect of the present invention, the system of selection of a kind of buffer memory business device is provided, is applied to the equipment side that buffer memory business is provided, comprises:
After service discovering time window starts, report buffer memory professional ability information and the facility information of self to main equipment, using as described main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
When receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.
Alternatively, the method for the invention also comprises: when the memory space inadequate of self, sends memory space inadequate notification message to described main equipment.
According to the 4th aspect of the present invention, a kind of main equipment is provided, comprises:
Memory module, for storing the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
Processing module, for when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
Alternatively, in main equipment of the present invention, described processing module, specifically for when receive can sleeping devices send the message of request buffer memory business time, detect main equipment and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of main equipment is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide the equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.
Alternatively, in main equipment of the present invention:
Described memory module, also for according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sorts to providing each equipment of buffer memory business;
Described processing module, also for when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.
Alternatively, in main equipment of the present invention, described memory module, also for when again receiving the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report, upgrades the existing information of this equipment stored; And, when receiving the memory space inadequate notification message of the equipment transmission providing buffer memory business, be that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
According to the 5th aspect of the present invention, also provide one can sleeping devices, comprising:
Request module, for initiating the message of request buffer memory business to main equipment, and receives the response message of described main equipment feedback;
Message processing module, for when carrying the buffer memory professional ability information of the equipment providing buffer memory business in described response message, sends buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in described response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
According to the 6th aspect of the present invention, a kind of equipment providing buffer memory business is also provided, comprises:
Information reporting module, for after service discovering time window starts, report buffer memory professional ability information and the facility information of this equipment to main equipment, using as described main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
Request message processing module, for when receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.
Alternatively, of the present inventionly provide in the equipment of buffer memory business, described information reporting module, also for when described in the memory space inadequate of the equipment of buffer memory business is provided time, send memory space inadequate notification message to described main equipment.
According to the 7th aspect of the present invention, a kind of buffer memory business device selective system is also provided, comprise described main equipment provided by the invention, some provided by the invention described can sleeping devices and some described equipment that buffer memory business can be provided provided by the invention.
Beneficial effect of the present invention is as follows:
In scheme of the present invention, there is provided each equipment of buffer memory business initiatively can report self buffer memory professional ability information and facility information to the main equipment that capacity of equipment is stronger, main equipment storage provides the relevant information of each equipment of buffer memory business, can make can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, not only save network overhead, and improve search efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of a kind of buffer memory business device system of selection that Fig. 1 provides for the embodiment of the present invention one;
The flow chart of a kind of buffer memory business device system of selection that Fig. 2 provides for the embodiment of the present invention two;
The flow chart of a kind of buffer memory business device system of selection that Fig. 3 provides for the embodiment of the present invention three;
The flow chart of the buffer memory business device system of selection that Fig. 4 provides for application example one of the present invention;
The flow chart of the buffer memory business device system of selection that Fig. 5 provides for application example two of the present invention;
The structured flowchart of a kind of main equipment that Fig. 6 provides for the embodiment of the present invention four;
Fig. 7 for the embodiment of the present invention five provide a kind of can the structured flowchart of sleeping devices;
A kind of structured flowchart that the equipment of buffer memory business is provided that Fig. 8 provides for the embodiment of the present invention six.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provides the system of selection of a kind of buffer memory business device, is applied to main equipment side, and as shown in Figure 1, described in the present embodiment, method specifically comprises the steps:
Step S101, stores the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
Concrete, in this step, provide each equipment of buffer memory business after service discovering time window starts, initiatively can report self buffer memory professional ability information and facility information to main equipment.After main equipment receives the information providing each equipment of buffer memory business to report, carry out this locality and store, can for the information foundation of buffer memory business can be provided by sleeping devices as which equipment.
Step S102, when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
In one embodiment of the invention, when receive can sleeping devices send the message of request buffer memory business time, preferably, first detect self and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of self is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide each equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.That is, consider that the capacity of equipment of main equipment is usually stronger, when main equipment can provide buffer memory business, preferably, first use the buffer memory business that main equipment provides, to reach the effect improving service buffer efficiency.
From above-described embodiment, in the present invention, main equipment is collected the relevant information of each equipment that can provide buffer memory business in advance, as can the unified query interface of sleeping devices, for providing buffer memory business device inquiry service by sleeping devices.
In another embodiment of the present invention, consider that the information processing capability of main equipment is stronger, main equipment is no longer only the information of storage forwarded, particularly, main equipment also can according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sort to providing each equipment of buffer memory business.
Now, when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.That is, main equipment can initiatively for can select buffer memory device by sleeping devices, and directly being sent to by selected results can sleeping devices, and without the need to selecting voluntarily by sleeping devices, can reduce can the expense of sleeping devices and the consumption of electricity.
In the present embodiment, it is one or more that described facility information comprises in following information: device address, device levels, capacity of equipment, device type and equipment on-line time; It is one or more that described buffer memory professional ability information at least comprises in following information: cache-time and spatial cache.
Described ordering rule can be formulate according to the one or more information in facility information and/or buffer memory business information.
In another embodiment of the present invention, when main equipment receives the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report again, the existing information of this equipment stored is upgraded.
Further, when providing the memory space inadequate of equipment of buffer memory business, receiving the memory space inadequate notification message providing the equipment of buffer memory business to send, is that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
In summary, the present invention is stored providing the relevant information of buffer memory business device by the main equipment that capacity of equipment is stronger, can make can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, not only save network overhead, and improve search efficiency.
Embodiment two
The embodiment of the present invention provides the system of selection of a kind of buffer memory business device, being applied to can sleeping devices side, and this side method matches with the main equipment side method described in embodiment one, realizes the selection of buffer memory business device, as shown in Figure 2, described in the present embodiment, method specifically comprises the steps:
Step S201, initiates the message of request buffer memory business to main equipment;
Step S202, receives the response message of main equipment feedback;
Step S203, when carrying the buffer memory professional ability information of the equipment providing buffer memory business in response message, sends buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
In this step, for the situation of buffer memory professional ability information carrying the equipment providing buffer memory business in response message, equipment wherein may be main equipment, also may be the equipment selected in the multiple equipment providing buffer memory business of main equipment, owing to only there being an equipment thus can sleeping devices without the need to selecting again.
And be directed in response message the buffer memory professional ability information of multiple equipment that buffer memory business is provided and the situation of facility information of carrying, can need according to each buffer memory professional ability information and facility information by sleeping devices, choose according to the Selection Strategy of setting the equipment that one provides buffer memory business.
Wherein, what facility information comprised in following information is one or more: device levels, capacity of equipment, device type and equipment on-line time; It is one or more that described buffer memory professional ability information comprises in following information: cache-time and spatial cache.And the Selection Strategy of setting can be formulate according to the one or more information in facility information and/or buffer memory business information.
Visible, in method described in the present embodiment, can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, save network overhead, improve search efficiency.
Embodiment three
The embodiment of the present invention provides the system of selection of a kind of buffer memory business device, is applied to the equipment side providing buffer memory business, and as shown in Figure 3, described in the present embodiment, method specifically comprises the steps:
Step S301, after service discovering time window starts, reports buffer memory professional ability information and the facility information of self to main equipment, using as main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
Step S302, when receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.Perform this step, represent that this equipment is chosen to be buffer memory business and provides equipment, so, can receive can sleeping devices send buffer memory business request information.Namely can be after this message is responded and can provide buffer memory business by sleeping devices.
Further, expire when originally providing the memory space of the equipment of buffer memory business or reached the threshold value of setting, expression cannot reoffer buffer memory business, now, send memory space inadequate notification message to main equipment, for main equipment side, this device flag has been expired for buffer memory or this equipment is deleted from providing the list of devices of buffer memory business.
Visible, method described in the present embodiment, provides the equipment of buffer memory business initiatively can report self buffer memory professional ability information and facility information to main equipment, for main equipment is to can information inquiry service be provided to provide foundation by sleeping devices.
In order to the implementation process of method described in the clearer elaboration embodiment of the present invention one, two, three, provide two embody rule examples of the present invention, with more detailed description the solution of the present invention below in conjunction with accompanying drawing 4,5.
Application example one:
As shown in Figure 4, the buffer memory business device system of selection that this application example provides, comprises the steps:
Step S401, when service discovering time window starts, provides the equipment of buffer memory business, as equipment 3 and equipment 4, reports buffer memory professional ability information and facility information to main equipment; Wherein, buffer memory professional ability information includes but not limited to as: cacheable space size and the cache-time information providing buffer memory; Facility information includes but not limited to as device address, device levels, capacity of equipment, device type and equipment on-line time etc.
Step S402, main equipment stores or upgrades the information providing buffer memory business device.Particularly, if provide the equipment of buffer memory business for report first, be then store; If provide the equipment of buffer memory business for again to report, be then upgrade.
Step S403, can send request the message of buffer memory business to main equipment by sleeping devices, the service identification wherein carried is set to buffer memory business.
Step S404, if main equipment provides buffer memory business, then preferentially use the buffer memory business of main equipment, if main equipment memory space is full or reach a certain threshold value, then the slow professional ability information and facility information that provide other equipment of buffer memory business are carried that return in the response message can sleeping devices.Wherein, the service identification carried in response message is buffer memory business.
Step S405, can sleeping devices after receiving response message, if main equipment provides business, then use the buffer memory business of main equipment; Otherwise, provide in the equipment of buffer memory business at other, as in equipment 3 and equipment 4, select an equipment, communicate; Wherein, during selection can according to but be not limited to the rules such as MasterRank (device levels) or random or distance and select, set in this application example and have selected equipment 3.
Step S406, can send buffer memory business request information to equipment 3 by sleeping devices, and wherein carrying service identification is buffer memory business.
Step S407, equipment 3 is to sending response message by sleeping devices, and wherein carry service identification and buffer memory professional ability information, wherein service identification is buffer memory business.
Further, in this application example, if the memory space of equipment 3 is full or reach certain default threshold value, then send a notification message (wherein carrying reason) to main equipment, after main equipment receives the notification message of equipment 3, equipment 3 is labeled as buffer memory completely state or deletion, is no longer supplied to the requestor of buffer memory business.
Application example two:
As shown in Figure 5, the buffer memory business device system of selection that this application example provides, comprises the steps:
Step S501, when service discovering time window starts, the equipment of buffer memory business is provided, as equipment 3 and equipment 4, buffer memory professional ability information and facility information is reported to main equipment, wherein, buffer memory professional ability information includes but not limited to as: cacheable space size and the cache-time information providing buffer memory; Facility information includes but not limited to as device address, device levels, capacity of equipment, device type and equipment on-line time etc.
Step S502, main equipment stores or upgrades the information providing buffer memory business device, and according to setting rule, for providing the equipment of buffer memory business to sort, as one or more conditions such as the MasterRank according to device memory size, capacity of equipment or equipment sort.
Concrete, if provide the equipment of buffer memory business for report first, be then store; If provide the equipment of buffer memory business for again to report, be then upgrade.
Step S503, can send request the message of buffer memory business to main equipment by sleeping devices, the service identification wherein carried is set to buffer memory business.
Step S504, if main equipment provides buffer memory business, then preferentially use the buffer memory business of main equipment, if main equipment memory space is full or reach a certain threshold value, then according to the result of sequence, use the buffer memory business that the forward equipment of sequence provides in turn or preferentially.
Step S505, main equipment returns response message, wherein carries the buffer memory professional ability information that service identification is the equipment of buffer memory business and selection, supposes selection equipment 3.
Step S506, can sleeping devices after receiving response message, send buffer memory business request information to equipment 3, wherein carrying service identification is buffer memory business.
Step S507, equipment 3 is to sending response message by sleeping devices, and wherein carry service identification and buffer memory professional ability information, wherein service identification is buffer memory business.
Further, in this application example, if the memory space of equipment 3 is full or reach certain default threshold value, then send a notification message (wherein carrying reason) to main equipment.After main equipment receives the notification message of equipment 3, equipment 3 is labeled as buffer memory completely state or deletion, is no longer supplied to the requestor of buffer memory business.
Embodiment four
The embodiment of the present invention provides a kind of main equipment, as shown in Figure 6, comprising:
Memory module 610, for storing the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
Processing module 620, for when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
Based on said structure framework and enforcement principle, provide several concrete and preferred implementation under the above constitution below, in order to refinement and the function optimizing main equipment of the present invention, to make the enforcement of the present invention program more convenient, accurately.It should be noted that, when not conflicting, following feature can combination in any.
In the present embodiment, processing module 620, specifically for when receive can sleeping devices send the message of request buffer memory business time, detect main equipment and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of main equipment is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide each equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.That is, consider that the capacity of equipment of main equipment is usually stronger, when main equipment can provide buffer memory business, preferably, first use the buffer memory business that main equipment provides, to reach the effect improving service buffer efficiency.
Further, in the embodiment of the present invention, memory module 610, also for according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sorts to providing each equipment of buffer memory business;
Now, the situation of buffer memory business is not provided for main equipment, processing module 620, also for when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.
Further, in the embodiment of the present invention, memory module 610, also for when again receiving the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report, upgrades the existing information of this equipment stored; And, when receiving the memory space inadequate notification message of the equipment transmission providing buffer memory business, be that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
In summary, the present invention is stored providing the relevant information of buffer memory business device by the main equipment that capacity of equipment is stronger, can make can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, not only save network overhead, and improve search efficiency.
Embodiment five
The embodiment of the present invention provides one can sleeping devices, as shown in Figure 7, comprising:
Request module 710, for initiating the message of request buffer memory business to main equipment, and receives the response message of described main equipment feedback;
Message processing module 720, for when carrying the buffer memory professional ability information of the equipment providing buffer memory business in described response message, sends buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in described response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
Visible, described in the present embodiment can sleeping devices when searching buffer memory device, only inquire about to main equipment, do not need broadcast, save network overhead, improve search efficiency.
Embodiment six
The embodiment of the present invention provides a kind of equipment providing buffer memory business, as shown in Figure 8, comprising:
Information reporting module 810, for after service discovering time window starts, report buffer memory professional ability information and the facility information of this equipment to main equipment, using as main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
Request message processing module 820, for when receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.
Further, in equipment described in the present embodiment, information reporting module 810, also expire for the memory space at this equipment or reached the threshold value of setting, expression cannot reoffer buffer memory business, now, can send a notification message to main equipment, to make main equipment by this device flag for buffer memory is full or deleted from providing the list of devices of buffer memory business by this equipment.
Visible, provide the equipment of buffer memory business initiatively can report self buffer memory professional ability information and facility information to main equipment, for main equipment is to can information inquiry service be provided to provide foundation by sleeping devices described in the present embodiment.
Embodiment seven
The embodiment of the present invention provides a kind of buffer memory business device selective system, comprise described in the main equipment described in embodiment four, some embodiments five can the equipment of sleeping devices and the provided buffer memory business described in some embodiments six.
Due in embodiment four, five, six to main equipment, can sleeping devices and the structure of the equipment of buffer memory business and function can be provided to elaborate, at this, it is no longer repeated.Because system described in the present embodiment comprises the equipment described in embodiment four, five, six, so the effect that embodiment four, five, six can reach also must be reached.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and between each embodiment, identical similar part is mutually see, the difference of itself and other embodiment that what each embodiment stressed is.Especially for device, system embodiment, due to its basic simlarity and embodiment of the method, so description fairly simple, relevant part illustrates see the part of embodiment of the method.
Although describe the application by embodiment, those skilled in the art will appreciate that the application has many distortion and change and do not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. the system of selection of buffer memory business device, is characterized in that, is applied to main equipment side, comprises:
Store the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
When receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
2. the method for claim 1, it is characterized in that, described when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that there is provided the equipment of buffer memory business are carried be sent in the response message described can sleeping devices, specifically comprise: when receive can sleeping devices send the message of request buffer memory business time, detect self and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of self is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide the equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.
3. method as claimed in claim 1 or 2, it is characterized in that, described method also comprises: according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sorts to providing each equipment of buffer memory business;
Described when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that there is provided the equipment of buffer memory business are carried be sent in the response message described can sleeping devices, specifically comprise: when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.
4. the method for claim 1, is characterized in that, described method also comprises:
When again receiving the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report, the existing information of this equipment stored is upgraded;
And when providing the memory space inadequate of equipment of buffer memory business, receiving the memory space inadequate notification message providing the equipment of buffer memory business to send, is that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
5. the system of selection of buffer memory business device, is characterized in that, being applied to can sleeping devices side, comprising:
The message of request buffer memory business is initiated to main equipment;
Receive the response message of described main equipment feedback;
When carrying the buffer memory professional ability information of the equipment providing buffer memory business in described response message, send buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in described response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
6. the system of selection of buffer memory business device, is characterized in that, is applied to the equipment side providing buffer memory business, comprises:
After service discovering time window starts, report buffer memory professional ability information and the facility information of self to main equipment, using as described main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
When receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.
7. method as claimed in claim 6, it is characterized in that, described method also comprises: when self memory space inadequate, sends memory space inadequate notification message to described main equipment.
8. a main equipment, is characterized in that, comprising:
Memory module, for storing the buffer memory professional ability information and facility information that provide each equipment of buffer memory business to report;
Processing module, for when receive can sleeping devices send the message of request buffer memory business time, the cached capability information and facility information that provide the equipment of buffer memory business are carried be sent in the response message described can sleeping devices.
9. main equipment as claimed in claim 8, it is characterized in that, described processing module, specifically for when receive can sleeping devices send the message of request buffer memory business time, detect main equipment and whether can provide buffer memory business by sleeping devices for described, if so, then the buffer memory professional ability information of main equipment is carried send in the response message described can sleeping devices; Otherwise the buffer memory professional ability information and facility information that provide the equipment of buffer memory business being carried can sleeping devices described in being sent in the response message.
10. main equipment as claimed in claim 8 or 9, is characterized in that,
Described memory module, also for according to buffer memory professional ability information and facility information, according to the ordering rule of setting, sorts to providing each equipment of buffer memory business;
Described processing module, also for when receive can sleeping devices send the message of request buffer memory business time, the mode of selected mode or the forward equipment of preferential selected sequence in order, being chosen to be described can provide the equipment of buffer memory business by sleeping devices, and the buffer memory professional ability information of selected described equipment and facility information are carried send in the response message described can sleeping devices.
11. main equipments as claimed in claim 8, is characterized in that, described memory module, also for when again receiving the buffer memory professional ability information and facility information that provide the equipment of buffer memory business to report, upgrade the existing information of this equipment stored; And, when receiving the memory space inadequate notification message of the equipment transmission providing buffer memory business, be that buffer memory has been expired state or the information of this equipment deleted from the information stored by this device flag.
12. 1 kinds can sleeping devices, it is characterized in that, comprising:
Request module, for initiating the message of request buffer memory business to main equipment, and receives the response message of described main equipment feedback;
Message processing module, for when carrying the buffer memory professional ability information of the equipment providing buffer memory business in described response message, sends buffer memory business request information to this equipment; When carrying buffer memory professional ability information and the facility information of the multiple equipment providing buffer memory business in described response message, choosing according to setting Selection Strategy the equipment that one provides buffer memory business, and sending buffer memory business request information to this equipment.
13. 1 kinds of equipment that can provide buffer memory business, is characterized in that, comprising:
Information reporting module, for after service discovering time window starts, report buffer memory professional ability information and the facility information of this equipment to main equipment, using as described main equipment or can sleeping devices whether this equipment selected the information foundation of equipment is provided as buffer memory business;
Request message processing module, for when receive can sleeping devices send buffer memory business request information time, described buffer memory business request information is responded.
14. equipment that can provide buffer memory business as claimed in claim 13, is characterized in that, described information reporting module, also for when described in the memory space inadequate of the equipment of buffer memory business is provided time, send memory space inadequate notification message to described main equipment.
15. 1 kinds of buffer memory business device selective systems, it is characterized in that, comprise the main equipment described in claim 8 to 11 any one, some according to claim 12 can the equipment of sleeping devices and the provided buffer memory business described in some claim 13 to 14 any one.
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