CN1160910C - Method for searching serivice in realizing dynamic network connection and sharing recource in home network - Google Patents
Method for searching serivice in realizing dynamic network connection and sharing recource in home network Download PDFInfo
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- CN1160910C CN1160910C CNB02129531XA CN02129531A CN1160910C CN 1160910 C CN1160910 C CN 1160910C CN B02129531X A CNB02129531X A CN B02129531XA CN 02129531 A CN02129531 A CN 02129531A CN 1160910 C CN1160910 C CN 1160910C
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Abstract
The present invention relates to a method for searching services in realizing dynamic network connection and resource sharing in a home network, which is used for searching service on the equipment of the home network. The method comprises the following steps: when resource management equipment exists in the network, service searching and initiating equipment initiates service searching request to the resource management equipment; when no resource management equipment exists in the network, service is first searched in the local of the service searching and initiating equipment, and if the service is still not found, the service searching and initiating equipment initiates service searching request to the equipment with which coordinate connection is established. The searching request at least comprises searching mode and conditions. After receiving the service searching request, the resource management equipment or the coordinate connection equipment searches for the service in the service information that is registered on the equipment according to the searching conditions, when service matched with the searching conditions is found, a service searching response message of 'success' is generated and returned to the service searching and initiating equipment. Searching response messages of 'authority prohibition' or 'no service according with the searching conditions exists' can also be generated according to the connecting situation of the equipment or the searching result.
Description
Technical field
The present invention relates to a kind of computer networking technology, a kind of service search method when relating to or rather realize dynamic group net, resource-sharing in the home network.
Background technology
Along with the fast development of computer technology and network technology and individual to family life digitlization, informationalized pursuit, (associated also has home network E-Home: Smart Home Smart Home, electronic family Electronic Home, e-Home, digital home Digital Family, network home Network Home, the intelligent Intelligent Home of family etc.), developed into a current hot technology.Home network technologies is to realize the digitized guardian technique of household equipment, and this technology has been arranged, and just all electric equipments in the family can be connected into an integral body, realizes devices interconnect and information transmission anywhere or anytime.
The demand of home network is different from commercial network fully, as do not need extra wiring install, use simple, cost is low etc.The interconnected network technology of existing suitable household equipment as HomePNA, can utilize each family's existing telephone line to realize the interconnection of digital device, and is simple and practical, and do not influence normally answering of phone.Utilize the power line networking, transmission signals and data on the power line of having laid within the family also can realize household appliances automation control easily.
Fig. 1 illustrates a kind of network system topological structure of digital home, comprises backbone network and two levels of control subnet.Family's backbone network includes on the networking form in wired mode and inserts and insert two kinds (in order to realize the interconnection of some wireless mobile apparatus with wireless mode, allow the user can enjoy message reference anywhere or anytime to the full, the wireless trunk net is a part indispensable in family's backbone network).In backbone network; usually have one family server 101; it is the processing center and the storage center of digital home; can be PC equipment or private server; door gateway 102 in the backbone network is used to realize the broadband access of the interconnected and family of household internal equipment 104 (comprising mobile device 103), the information that the equipment 103,104 in family's backbone network can be shared from internet 105.Family's backbone network has been constructed the information/multi-media network of family, realizes the interconnected of information equipment, communication apparatus, amusement equipment etc.The key data of family's backbone network transmission is literal, picture, audio frequency, video etc.
The control subnet is used to realize the interconnected of equipment (108) such as household electrical appliance, automation equipment, security personnel's (monitoring) device, and its establishment is the important prerequisite that realizes home automation.If the data owner that transmits in the control subnet is to the various control commands of equipment and the status data of equipment.Control gateway 106 in the control subnet realizes the interconnected of all kinds of home equipments 108 on the one hand, realize the interconnected of control subnet and backbone network on the other hand, provide external interface to remote phone warning and telephone remote control (utilizing public switched telephone network PSTN 107) simultaneously.
Mutual minute two layers of meaning between family's backbone network and the Internet 105: the one, the user can be in long-range service of calling by Internet on family's backbone network; The 2nd, the user passes through the service on the backbone network visit Internet of family.
The mutual control gateway 106 of passing through between family's backbone network and the home automation control network realizes.Control gateway 106 is responsible for carrying out the protocol conversion between backbone network and control subnet, makes service in the control subnet show as service in family's backbone network.To be operation to the operational transition of equipment and service in the control subnet to related service on the control gateway 106.In the control Subnetwork protocol, the description of service is based on all that WSDL carries out.The service of control in the subnet generates corresponding WSDL by control gateway 106 and describes, and as the backbone network service registry on control gateway 106.
In order the domestic consumer can indiscriminately ad. as one wishes be recreated enjoy and the life staying idle at home of safety and comfort, must allow the electric equipment of the numerous numerous and complicated in the family can organic interconnected and collaborative work, thereby in family's network system backbone network, rationally effectively realize the method (backbone network protocol) of equipment room dynamic group net and resource-sharing by designing a cover, realize high rate data transmission, high-quality service, dynamic group net and the effectively resource-sharing of family's backbone network.
Involved in the present invention in family's network range, support the dynamic group net between various device in the family, the equipment in the network that is meant need not to carry out the network parameter configuration by manual mode in advance, just can dynamically from network, select relevant device to form the one family network, be used to the function that realizes that any single equipment can't be finished, or improve the performance of the former function of arbitrary single equipment; Resource-sharing is meant that the equipment in the network can be provided by the resource that self provides, the resource that also can retrieve and utilize miscellaneous equipment to provide easily simultaneously, and any two equipment rooms are by the function of direct communication and resource-sharing expansion single equipment.
The method that realizes equipment room dynamic group net and resource-sharing in a kind of family backbone network is arranged, may further comprise the steps:
A. family's backbone network equipment is connected local area network (LAN) or wireless local is online;
B. equipment is declared this facility information in the multicast mode by the issue announcement message;
C. equipment is by intercepting or the mode of searching obtains the message that exists of miscellaneous equipment;
D. serve use equipment or service providing device by on an asset management device, registering, constitute the one family network with asset management device; Or more than one service uses equipment or service providing device to constitute the one family network by reciprocity connected mode;
E. the service use equipment that adds home network is by initiating the service search request to asset management device, obtain the information on services of service providing device in the home network, by initiating service renting request and service invocation request, obtain the right of using service and use the service that service providing device provided to service providing device; Perhaps serve use equipment by initiating service search request, service renting request and service invocation request, obtain the information on services of this service providing device, the right of using service and the use service that service providing device provided to the service providing device that establishes reciprocity annexation with it.
In fact service search in the technique scheme in the step e is exactly the service search method when realizing dynamic group net, resource-sharing in family's backbone network to be solved by this invention.
In the home network, each equipment provides the service of self, also the service that can use miscellaneous equipment to provide.In order to utilize service better to realize resource-sharing, just need to understand the service in the home network, promptly need a kind of existing service method on the equipment of searching in the home network.
Summary of the invention
The objective of the invention is to design the service search method when realizing dynamic group net, resource-sharing in a kind of home network, in family's network range, search the needed service of user, give the service search person with the service response that all are found, to make things convenient for the user to understand and to use service in the home network.
The backbone network member of family that the inventive method is involved, comprise information equipment, communication apparatus and amusement equipment etc., mode by protocol gateway, can also and some domestic electric appliances, carry out alternately as refrigerator, washing machine, television set, sound equipment etc., so the carrier that provides or accept to serve of the equipment in the inventive method.
The service that the inventive method is involved is meant the functional entity that satisfies the defined standard interface of backbone network protocol on the equipment of operating in.
The involved asset management device of the inventive method is meant that the equipment that can provide in the network registers and serve the equipment of index function.
The service providing device that the inventive method is involved is meant the equipment that service is provided for the miscellaneous equipment in the network.
The involved service use equipment of the inventive method is meant the equipment that uses the service that miscellaneous equipment provided in the network.
It can be same equipment that the involved service providing device kimonos of the inventive method is make sure with equipment, and promptly an equipment both can be for other equipment provide service, the service that also can use other equipment to provide simultaneously.
The involved multicast of the inventive method is meant that a transmitting apparatus sends information to a specific group of received equipment; The involved clean culture of the inventive method is meant that a transmitting apparatus sends information to the receiving equipment of an appointment.
The technical scheme that realizes the object of the invention is such: the service search method when realizing dynamic group net, resource-sharing in a kind of home network is characterized in that comprising:
A. when having asset management device in the network,, then search in service search initiating equipment this locality if asset management device is exactly the service search initiating equipment; If asset management device is not the service search initiating equipment, then initiate the service search request to asset management device by the service search initiating equipment; After asset management device receives the service search request,, search by mode of searching and search criterion the information on services on being registered in asset management device for the service search initiating equipment that the authority of searching is arranged; When finding the service that is complementary with search criterion, generate the service search response message, and return the service search initiating equipment;
B. when not having asset management device in the network, search according to mode of searching and search criterion, comprise: when the mode of searching is to search by device identification, and when the device identification in the search criterion is the sign of service search initiating equipment, only on the service search initiating equipment, carries out this locality and search; When the mode of searching is to search by device identification, and when the device identification in the search criterion is not the sign of service search initiating equipment, by the service search initiating equipment to setting up the equipment that good reciprocity connection and device identification equate with device identification in the search criterion, with the form initiation service search request of clean culture; When the mode of searching is not to search by device identification, on the service search initiating equipment, carry out this locality earlier and search, all devices that does not find Shi Zaixiang to set up good equity connection is initiated the service search request with the form of multicast; Receive the equipment of service search request, search by mode of searching and search criterion the information on services on being registered in this equipment; When finding the service that is complementary with search criterion, generate the service search response message, and return the service search initiating equipment.
In family's network backbone net, when having asset management device, add any one equipment in the home network backbone network, all can be by initiating the service search process to asset management device, find needed and be present in service in the network.
The equipment that adds in the home network backbone network can be initiated the service search request to asset management device, to search needed service.The service search process comprises service search request and two steps of service search response.
When asset management device is received the service search request of service use equipment, check at first whether the equipment of initiating the service search request was registered on asset management device, if this equipment is registered, then asset management device is searched the service object's existence whether the matched and searched condition is arranged from the information on services that is registered in self, if exist then the service search response message of generation " searching successfully ", and send to service search equipment; If there is no Pi Pei service then generates the service search response message of " not having the service that meets search criterion ", and sends to service search equipment.Service object's matched and searched condition means that the specified search criterion of the mode of searching is consistent with relevant information among this service object.Do not register on asset management device if initiate the equipment of service search request, then asset management device sends the response message of lookup result for " authority is forbidden ".
When not having asset management device in family's network backbone net, after creating equipment connecting relation with other equipment, equipment can be initiated the service search request to the equipment of having set up reciprocity connection, to obtain the information on services on the reciprocity connection device.
Description of drawings
Fig. 1 is a kind of topology diagram of digital home network system;
Fig. 2 is the master-slave mode home network architecture sketch when asset management device is arranged;
Reciprocity interconnection system home network architecture sketch when Fig. 3 is the No Assets management equipment;
Fig. 4 is a kind of service search FB(flow block) of implementing by the inventive method.
Embodiment
The core concept of home network is dynamically to realize the interconnecting of equipment, resource-sharing.Equipment is implemented unified centralized management more help resource-sharing between the equipment, asset management device is exactly a kind of equipment that home network equipment is managed concentratedly of being used for.
Home network when having asset management device can be reduced to principal and subordinate's connected mode structure shown in Figure 2.
Referring to Fig. 2, the electric equipment in the family constitutes the information equipment that comprises that an asset management device 21 is many with possibility, information equipment 1 (22) as shown in FIG., information equipment 2 (23) and information equipment 3 (24).Information equipment can be service providing device and the general name of serving use equipment, and they are non-asset management devices.
Wherein, asset management device can be specified by the domestic consumer, adds a software on asset management device and all equipment that need manage, realizes various functions by this software mutual communication on each equipment.
All devices resource in the asset management device managing family network, the user can unify centralized management to all equipment by asset management device, and as the equipment retrieval, equipment adds control, equipment control of authority etc.
Non-resource management equipment in the family is obtained central controlled some authority by self is registered on the asset management device (facility information and information on services), as retrieval, visits resource on other equipment etc.
But, be not in all home network environments, all can there be a fixing asset management device, in the home network environment that does not have asset management device, then, realize simple equipment control by the reciprocity connection mechanism between the peer device.
Home network architecture shown in Figure 1 can be reduced to equipment equity connected mode structure shown in Figure 3.
Referring to Fig. 3, during constituting, household appliances equipment comprises the information equipment of a plurality of equities, peer device 1 (31) as shown in FIG., peer device 2 (32), peer device 3 (33) and peer device 4 (34).Peer device can be service providing device and the general name of serving use equipment.There is not asset management device in the home network that equity connects.
When carrying out the peer device connection, there is one to connect initiating equipment and a linking objective equipment.Wherein, linking objective equipment is specified by connecting initiating equipment, all needs to add a software on these two equipment, realizes that by mutual communication equity connects by this software on each equipment.
Before equipment connects, there is a device discovery procedure, device discovery procedure occurs in and connects between initiating equipment and the linking objective equipment, connects initiating equipment and finds linking objective equipment earlier by device discovery procedure, and then could begin the equipment connection procedure.Comprise: equipment declaration and equipment are searched two kinds of processes.By this equipment declaration and equipment finding step, all devices in the home network just can be found the other side's existence mutually.
Service search method of the present invention is embodied in the service access process, and service access should comprise: service discovery, authorization of service and three processes of service renting (may be embodied on three agreements).The inventive method only relates to service discovery process.
When having asset management device in the network, the equipment that adds home network can be initiated the service search process to asset management device, to search needed service.
When not having asset management device in the network, equipment room can be initiated the service search request mutually after creating the equity connection, to obtain the information on services on the equity connection network.
The service search process comprises service search request and two steps of service search response.The service search request message format that the embodiment of the invention adopted is as follows:
＜schema xmlns＝″http：//www.w3.org/2001/XMLSchema″ xmlns：leh＝″http：//www.legend.com/EHome″ <!-- SIPO <DP n="7"> --> <dp n="d7"/> targetNamespace＝″http：//www.legend.com/EHome″＞ ＜element name＝″SearchMode″＞ ＜simpleType＞ ＜restriction base＝″string″＞ ＜enumeration value＝″SEARCH_ALL″＞ ＜enumeration value＝″SEARCH_BY_DEVICEID″＞ ＜enumeration value＝″SEARCH_BY_SERVICENAME″＞ ＜enumeration value＝″SEARCH_BY_SERVICETYPE″＞ ＜enumeration value＝″SEARCH_BY_SERVICEATTRIBUTE″＞ ＜/restriction＞ ＜/simpleType＞ ＜/element＞ ＜element name＝″SearchCondition″type＝″leh：ServiceSearchCondition″/＞ ＜complexType name＝″ServiceSearchCondition″＞ ＜sequence＞ ＜element name＝″DeviceID″type＝″string″＞ ＜element name＝″ServiceName″type＝″string″＞ ＜element name＝″ServiceType″type＝″unsignedInt″＞ ＜element name＝″ServiceAttribute″ type＝″ServiceAttributeType″minOccurs＝″0″＞ ＜/sequence＞ ＜/complexType＞ ＜complexType name＝″ServiceAttributeType″＞ ＜sequence＞ ＜element name＝″AttributeName″type＝″string″＞ ＜element name＝″AttributeType″type＝″string″＞ ＜element name＝″AttributeValue″type＝″anyType″＞ ＜/sequence＞ ＜/complexType＞＜/schema＞
In the element that the service search request message comprises, the relation of each field name and content and value is as shown in the table:
| Field name | Content | Value |
| Search mode | Indicate by which kind of mode and carry out service search | SEARCH_ALL: search all service SEARCH_BY_DEVICEID: search service SEARCH_BY_SERVICENAME according to equipment I D: search service SEARCH_BY_SERVICETYPE according to service name: search service SEARCH_BY_SERVICEATTRIBUTE according to COS: search service according to Service Properties |
| Device id (this field contents is arranged in the message when mode of searching is SEARCH_BY_DEVICEID) | The device id that need mate when searching | 128 signless integers |
| Service name (this field contents is arranged in the message when mode of searching is SEARCH_BY_SERVICENAME) | The service name that need mate when searching | Length greater than 0 less than 256 character string |
| COS (this field contents is arranged in the message when mode of searching is SEARCH_BY_SERVICETYPE) | The COS that need mate when searching | 32 signless integers |
| Service Properties title (this field contents is arranged in the message when mode of searching is SEARCH_BY_SERVICEATTRIBUTE) | The Service Properties title that need mate when searching | Length greater than 0 less than 256 character string |
| Service Properties type (this field contents is arranged in the message when mode of searching is SEARCH_BY_SERVICEATTRIBUTE) | The Service Properties type that need mate when searching | Length greater than 0 less than 256 character string |
| Service Properties value (this field contents is arranged in the message when mode of searching is SEARCH_BY_SERVICEATTRIBUTE) | The Service Properties value that need mate when searching | Any type arbitrary value |
Service Properties in the table is determined by the mode of Service Properties title, Service Properties value type, Service Properties value.
Search criterion (SearchCondition) is meant the condition that service search need mate, and its content is relevant with the mode of searching, as the mode of searching does not then need search criterion for searching all services; As the mode of searching is for to search according to service name, and the service name of the coupling of needing then will be arranged in the search criterion at least, and the rest may be inferred.
Shown in the relation of searching mode (SearchMode) and required search criterion (SearchCondition) sees the following form:
| SearchMode | SearchCondition |
| SEARCH_ALL | |
| SEARCH_BY_DEVICEID | DeviceID |
| SEARCH_BY_SERVICENAME | ServiceName |
| SEARCH_BY_SERVICETYPE | ServiceType |
| SEARCH_BY_SERVICEATTRIBUTE | ServiceAttribute |
When asset management device was arranged, asset management device was received the service search request, checked at first whether the equipment of initiating service search was registered on asset management device.If unregistered, send then that to have lookup result be " authority is forbidden " response message (ACCESSDENIED); If it is registered, then asset management device is searched the service object's existence whether the matched and searched condition is arranged from the information on services of self, if existing then generating lookup result is " success " service search response message (SUCCESS), send to the service search initiating equipment.Otherwise it is " not having the service that meets search criterion " response message (SERVICENOTFOUND) that transmission has lookup result.
During the No Assets management equipment, equipment is received the service search request, searching the service object whether the matched and searched condition is arranged from the information on services of self exists, if existing then generating lookup result is successful (SUCCESS) service search response message, send to the service search initiating equipment, have lookup result for there not being the response message of the service (SERVICENOTFOUND) that meets search criterion otherwise send.
The service search response message format that the embodiment of the invention adopted is as follows:
＜schema xmlns＝″http：//www.w3.org/2001/XMLSchema″ xmlns：leh＝″http：//www.legend.com/EHome″ targetNamespace＝″http：//www.legend.com/EHome″＞ ＜element name＝″ServiceSearchResponse″ type＝″leh：ServiceSearchResponseType″＞ ＜complexType name＝″ServiceSearchResponseType″＞ ＜sequence＞ ＜element name＝″ServiceSearchResult″＞ ＜simpleType＞ ＜restriction base＝″string″＞ <!-- SIPO <DP n="10"> --> <dp n="d10"/> ＜enumeration value＝″ACCESSDENIED″＞ ＜enumeration value＝″SUCCESS″＞ ＜enumeration value＝″SERVICENOTFOUND″＞ ＜/restriction＞ ＜/simpleType＞ ＜/element＞ ＜element name＝″ServiceList″ type＝″leh：ServiceListType″minOccurs＝″0″＞ ＜/sequence＞ ＜/complexType＞＜/schema＞
In the element that the service search response message comprises, the relation of each field name and content and value is as shown in the table:
| Field name | Content | Value |
| Service search result (ServiceSearchResult) | The service search result shows that whether service search runs succeeded | ACCESSDENIED: authority is forbidden SUCCESS: search successfully, have the service SERVICENOTFOUND that meets search criterion: do not have the service that meets search criterion |
| Service list (ServiceList) | All that find meet the tabulation of the service composition of search criterion | The value type is ServiceListType |
Service list in the service search response message is the service list that meets search criterion, and its type is ServiceListType.
Referring to Fig. 4, the service search process between initiating equipment of service search shown in the figure and asset management device, reciprocity connection device.
Step 421 to step 429 is the service search processes when having asset management device in the network.
Step 421 judges whether this service search initiating equipment is exactly asset management device;
Step 422,423 when this service search initiating equipment is exactly asset management device, is carried out service search in this locality, just can finish the service search process then.
Step 424,425, when judging through step 421, when this service search initiating equipment was not asset management device, then the service search initiating equipment sent the service search request message to asset management device;
Step 426,427,428,429, carry out the processing of service search by asset management device, and send the service search response message and handle this service search response message by the service search initiating equipment to the service search initiating equipment, just can finish this service search process then.
Wherein, step 43 the 1 to 435,428, the 429th, by the process that device identification (ID) is searched, step 436 is to the 438,434,435,428, the 429th, the process of searching not according to device identification (ID).
Step 431 when searching by device id, judges whether the device id in the search criterion equates with the ID that originally searches in the initiating equipment earlier, execution in step 422 when equating, and when unequal, execution in step 432 etc.;
Step 432 is to 435,428,429, the reciprocity connection device that equates with search criterion to device id sends the service search request message, the service search request message sends with mode of unicast, this equity connection device is handled the service search request message, and sends the service search response message to the service search initiating equipment; Handle this service search response message by the service search initiating equipment, just can finish this service search process then.
Step 436 is to 438,434,435,428,429, not according to device identification (ID) when searching, search in service search initiating equipment this locality earlier, search not then, search to all equipment of having set up reciprocity connection with it again, search by the multicast mode and send the service search request message and carry out, this equity connection device is handled the service search request message, and sends the service search response message to the service search initiating equipment; Handle this service search response message by the service search initiating equipment, just can finish this service search process then.
Method of the present invention is supported family's backbone network equipment dynamic group net and resource-sharing in family's network range, thereby has improved the interoperability and the ease for use of household equipment.In the home network any supports the equipment of backbone network protocol can issue its other resources information in network, finds the resource information that miscellaneous equipment provided, and carries out resource-sharing according to backbone network protocol between the equipment.
Claims (9)
1. the service search method when realizing dynamic group net, resource-sharing in the home network is characterized in that comprising:
A. when having asset management device in the network,, then search in service search initiating equipment this locality if asset management device is exactly the service search initiating equipment; If asset management device is not the service search initiating equipment, then initiate the service search request to asset management device by the service search initiating equipment; After asset management device receives the service search request,, search by mode of searching and search criterion the information on services on being registered in asset management device for the service search initiating equipment that the authority of searching is arranged; When finding the service that is complementary with search criterion, generate the service search response message, and return the service search initiating equipment;
B. when not having asset management device in the network, search according to mode of searching and search criterion, comprise: when the mode of searching is to search by device identification, and when the device identification in the search criterion is the sign of service search initiating equipment, only on the service search initiating equipment, carries out this locality and search; When the mode of searching is to search by device identification, and when the device identification in the search criterion is not the sign of service search initiating equipment, by the service search initiating equipment to setting up the equipment that good reciprocity connection and device identification equate with device identification in the search criterion, with the form initiation service search request of clean culture; When the mode of searching is not to search by device identification, on the service search initiating equipment, carry out this locality earlier and search, all devices that does not find Shi Zaixiang to set up good equity connection is initiated the service search request with the form of multicast; Receive the equipment of service search request, search by mode of searching and search criterion the information on services on being registered in this equipment; When finding the service that is complementary with search criterion, generate the service search response message, and return the service search initiating equipment.
2. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 1 is characterized in that: described service search request message comprises and is used to indicate the Service Properties that carries out the mode of searching of service search, the device identification that need mate when searching, the service name that need mate when searching, the COS that need mate when searching and need mate when searching by which kind of mode.
3. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 2 is characterized in that: the described mode of searching comprise search all services, according to the device identification service of searching, according to the service name service of searching, according to the COS service of searching with search service according to Service Properties.
4. the service search method when realizing dynamic group net, resource-sharing in claim 2 or the 3 described a kind of home networks, it is characterized in that: described Service Properties is determined by the mode of Service Properties title, Service Properties value type and service property value.
5. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 1 is characterized in that: described search criterion is the condition of the required coupling of service search, and the content of search criterion is relevant with the mode of searching.
6. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 5 is characterized in that described relevant comprising: in the mode of searching is when searching all services, not have search criterion; In the mode of searching is when searching according to device identification, and the device identification of the coupling of needing will be arranged in the search criterion at least; In the mode of searching is when searching according to service name, and the service name of the coupling of needing will be arranged in the search criterion at least; In the mode of searching is when searching according to COS, and the COS of the coupling of needing will be arranged in the search criterion at least; In the mode of searching is when searching according to Service Properties, and the Service Properties of the coupling of needing will be arranged in the search criterion at least.
7. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 1, it is characterized in that: search authority among the described step a, be meant that the service search initiating equipment of registering facility information on asset management device searches authority.
8. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 1, it is characterized in that: among the described step a, search the service search initiating equipment of authority for nothing, asset management device sends the service search response message of lookup result for " authority is forbidden " to it; Among the described step a, when not finding the service that is complementary with search criterion the information on services on being registered in asset management device, asset management device sends the service search response message of lookup result for " not having the service that meets search criterion " to the service search initiating equipment; Among the described step b, when not finding the service that is complementary with search criterion the information on services on being registered in this equipment, send the service search response message of lookup result for " not having the service that meets search criterion " to the service search initiating equipment.
9. the service search method when realizing dynamic group net, resource-sharing in a kind of home network according to claim 8, it is characterized in that: also including service list in the described service search response message, is to become service list to be placed in the service search response message service groups that all that find meet search criterion to send.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02129531XA CN1160910C (en) | 2002-09-12 | 2002-09-12 | Method for searching serivice in realizing dynamic network connection and sharing recource in home network |
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| CNB02129531XA CN1160910C (en) | 2002-09-12 | 2002-09-12 | Method for searching serivice in realizing dynamic network connection and sharing recource in home network |
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| CN1466323A CN1466323A (en) | 2004-01-07 |
| CN1160910C true CN1160910C (en) | 2004-08-04 |
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| CNB02129531XA Expired - Fee Related CN1160910C (en) | 2002-09-12 | 2002-09-12 | Method for searching serivice in realizing dynamic network connection and sharing recource in home network |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100619018B1 (en) * | 2004-05-12 | 2006-08-31 | 삼성전자주식회사 | Method for sharing A/V content over network, sink device, source device and message structure |
| CN100502305C (en) * | 2005-12-22 | 2009-06-17 | 中山大学 | Management system and management method of household network equipment |
| JP4304540B2 (en) * | 2007-05-02 | 2009-07-29 | 村田機械株式会社 | Relay server and relay communication system |
| CN101350710B (en) * | 2007-07-16 | 2011-11-16 | 华为技术有限公司 | Network system, authority issuing server, authority issuing and executing method |
| CN104009894A (en) * | 2013-02-26 | 2014-08-27 | 海尔集团公司 | Automatic acquisition method of service information in local area network and system and equipment thereof |
| CN106161148B (en) * | 2015-04-01 | 2019-12-13 | 安富科技股份有限公司 | audio network establishing method for multi-domain media device |
| CN104935485A (en) * | 2015-05-28 | 2015-09-23 | 北京海尔广科数字技术有限公司 | Appliance service calling method, appliance service calling request forwarding method and apparatus |
| CN107370838A (en) * | 2016-05-13 | 2017-11-21 | 北京信威通信技术股份有限公司 | ARP proxy machinery of consultation and device, ARP proxy method and apparatus |
| CN113098741B (en) * | 2021-04-16 | 2022-07-12 | 深圳市炆石数据有限公司 | Family portrait construction method, system, storage medium and advertisement cross-screen delivery method |
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2002
- 2002-09-12 CN CNB02129531XA patent/CN1160910C/en not_active Expired - Fee Related
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