CN102891871A - Virtual terminal system and implement method - Google Patents

Virtual terminal system and implement method Download PDF

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Publication number
CN102891871A
CN102891871A CN2011102039981A CN201110203998A CN102891871A CN 102891871 A CN102891871 A CN 102891871A CN 2011102039981 A CN2011102039981 A CN 2011102039981A CN 201110203998 A CN201110203998 A CN 201110203998A CN 102891871 A CN102891871 A CN 102891871A
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China
Prior art keywords
virtual terminal
main control
equipment
context information
environmental context
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CN2011102039981A
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Chinese (zh)
Inventor
孙爱芳
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中兴通讯股份有限公司
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Priority to CN2011102039981A priority Critical patent/CN102891871A/en
Publication of CN102891871A publication Critical patent/CN102891871A/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/08Network-specific arrangements or communication protocols supporting networked applications adapted for terminal emulation, e.g. telnet

Abstract

The invention discloses a virtual terminal system comprising a master control device and at least one member device, wherein the master control device is used for cooperatively controlling the member device on the basis of the context of the member device; and the member device is used for performing cooperative work under the cooperative control of the master control device. The invention also discloses an implement method of the virtual terminal system. According to the virtual terminal system and the implement method of the virtual terminal system, disclosed by the invention, a plurality of equipment build the one virtual terminal system, and the plurality of equipment are enabled to cooperatively work to achieve the support of services, thus not only resources such as a plurality of terminal equipment of a user and various networks are fully utilized, but also the work efficiency of each equipment is enhanced.

Description

A kind of virtual terminal system and implementation method

Technical field

The present invention relates to Ubiquitous Network, relate in particular to a kind of virtual terminal system and implementation method.

Background technology

The category of subscriber equipment has not only been expanded in the proposition of Ubiquitous Network, functional localization and the application scenarios of equipment have been expanded, and enlarged the deployment scope of equipment, they will be interconnected by various communication networks such as mobile radio communication, fixed communication network, the Internet, broadcasting and television network even Internet of Things, and can consist of various tissue morphologies, will make undoubtedly terminal heterogeneous property and network isomerism environment more complex.This has greatly increased the imagination space of user and society on the one hand, expectation obtains ubiquitous abundant service by Ubiquitous Network, but then, because terminal merges and network integration problem fails effectively to solve, terminal diversity and multiplicity of network become again the bottleneck of realizing ubiquitous service, make the user produce puzzlement for the wideband wireless mobile communication vision.

Favor in centralized and unified method always on the boundary that communicates by letter for many years, expectation realizes accessing the integrated-type terminal of various systems by advanced electronics technology, realize comprehensive broadband service network by " next generation " technology, but face the quick renewal of technology and the market environment of sufficient competition, the realization of this ideal style needs long time and cost.At present, it has been objective reality that a user has a plurality of terminals, look to the user to abandon all terminals, it is less feasible using a Full Featured integrated-type terminal instead, otherwise, take full advantage of existing terminal, by working in coordination with of multiple terminals under the heterogeneous network, in the situation that do not change user habit, make the user enjoy ubiquitous service, should be technological approaches a kind of worth exploration, feasible.

Summary of the invention

In view of this, main purpose of the present invention is to provide a kind of virtual terminal system and implementation method, can realize the collaborative work of many equipment under the heterogeneous network.

For achieving the above object, technical scheme of the present invention is achieved in that

The invention provides a kind of virtual terminal system, described virtual terminal system comprises: a main control device and at least one member device; Wherein, main control device is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control; Member device is used for carrying out collaborative work under the Collaborative Control of described main control device.

In such scheme, described main control device comprises Collaborative Control unit and database, wherein,

Described database is used for the environmental context information of preserving described each member device;

Described Collaborative Control unit for the environmental context information of preserving by inquiring about described database, carries out Collaborative Control to described each member device.

In such scheme, described member device comprises: polymerized unit and at least one ability unit, wherein,

The ability unit is used for realizing one or more professional abilities of operation;

Polymerized unit is used for calling described ability unit under the Collaborative Control of described main control device, carries out collaborative work.

In such scheme, described Collaborative Control unit also is used for when having equipment need to add described virtual terminal system, based on the environmental context information of described equipment, finish the processing that described equipment adds described virtual terminal system, adjust the topological structure of described virtual terminal system.

In such scheme, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device adds described virtual terminal system.

In such scheme, described Collaborative Control unit, also be used for based on the environmental context information of member device described in the described database or the environmental context information of described main control device self, finish the processing that described member device or described main control device self withdraw from described virtual terminal system, adjust the topological structure of described virtual terminal system.

In such scheme, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device withdraws from described virtual terminal system.

The present invention also provides the implementation method of a kind of virtual terminal system, and described method comprises:

According to the environmental context information of each equipment, from each equipment, put forward an equipment as the main control device of virtual terminal system;

Each equipment of except described main control device other depends on described main control device and adds described virtual terminal system, as the member device of described virtual terminal system;

Wherein, the main control device of described virtual terminal system is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control; Described member device is used for carrying out collaborative work under the Collaborative Control of described main control device.

In such scheme, described method also comprises:

When having equipment need to add described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of described equipment, finishes the processing that described equipment adds described virtual terminal system, adjusts the topological structure of described virtual terminal system.

In such scheme, the described virtual terminal of described adding system comprises:

The main control device of described virtual terminal system authenticates described equipment based on the environmental context information of equipment, when authentication success, with the environmental context information registering of described equipment in the database of self.

In such scheme, the described virtual terminal of described adding system also comprises:

Described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is higher than the ability of self-operating business, switch the described main control device that is made as described virtual terminal system, will self be converted to the member device of described virtual terminal system;

Described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is not higher than the ability of self-operating business, with the member device of described equipment as described virtual terminal system.

In such scheme, the described equipment of described switching is the main control device of described virtual terminal system, will self be converted to the member device of described virtual terminal system, comprising:

Described main control device notifies each member device in the described virtual terminal system to switch on the described equipment, and on the described equipment of environmental context information registering with self;

Receive each member device of described notice, be connected on the described equipment and on the described equipment of environmental context information registering with self according to described notice.

In such scheme, described method also comprises:

When having member device or main control device need to withdraw from described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of member device or the environmental context information of main control device self, finish described member device or self withdraw from the processing of described virtual terminal system, adjust the topological structure of described virtual terminal system.

In such scheme, the described described virtual terminal system that withdraws from comprises:

When described main control device withdraws from described virtual terminal system, described main control device switches to each member device on the specified new main control device, the environmental context information of preserving in its data storehouse is transferred on the described new main control device, and the business of the current carrying of described virtual terminal system out of service.

In such scheme, the described described virtual terminal system that withdraws from also comprises:

When described member device withdrawed from described virtual terminal system, described member device sent the request of withdrawing to described main control device, the information deletion that described main control device is relevant with member device described in its data storehouse; The business of the current carrying of described member device described virtual terminal system out of service.

Virtual terminal system provided by the invention and its implementation, a plurality of device build are become a virtual terminal system, and be divided into main control device and member device, main control device is controlled each member device based on the environmental context information synergism of each member device and is carried out work, the support of realization to business so that a plurality of equipment can cooperate jointly, user's a plurality of terminal equipments, and the resource such as each network not only can be taken full advantage of, and the operating efficiency of each equipment can be improved.

In addition, equipment can add flexibly or withdraws from the virtual terminal system among the present invention, has realized the dynamic adjustment of virtual terminal system, is conducive to the continuity that keeps professional, improves the user and experiences.

Description of drawings

Fig. 1 is the composition structural representation of virtual terminal of the present invention system;

Fig. 2 is the realization flow figure of virtual terminal network system realization of the present invention;

Fig. 3 is the schematic flow sheet that device A adds the virtual terminal system in the embodiment of the invention one;

Fig. 4 is the schematic flow sheet that equipment B withdraws from the virtual terminal system in the embodiment of the invention two.

Embodiment

Basic thought of the present invention is: based on environmental context information, be a virtual terminal system with a plurality of device build, so, when carrying out business, can finish by described virtual terminal system, thereby under heterogeneous network, by the collaborative work finishing service of many equipment, take full advantage of a plurality of equipment, and the environmental resource such as each network.In addition, can also dynamically adjust the composition structure of described virtual terminal system, to keep professional continuity.

Virtual terminal provided by the invention system with reference to shown in Figure 1, mainly can comprise: a main control device and at least one member device, wherein, described main control device is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control; Member device is used for carrying out collaborative work under the Collaborative Control of described main control device.

Wherein, a main control device connects one or more member devices, and a member device is connected on the main control device.Main control device and member device can be set up communication link by communication interface separately in the virtual terminal system, connect.

Wherein, environmental context information can comprise user context information, terminal capability contextual information and physical environment contextual information, wherein, user context information is used for characterizing user's preference, for example, the user usually is used for the relevant information of network of transport service, the relevant information of the usual equipment that uses when carrying out business, the professional presentation mode that the user likes etc.; The terminal capability contextual information comprises the information such as the storage, demonstration, up-downgoing speed of equipment, can be used for the ability of the operation business that characterization device has; The physical environment contextual information can comprise the current positional information of equipment, the relevant information that characterizes current connected network quality, the temperature of surrounding environment, the humidity of surrounding environment etc.

For example, the professional ability of operation can be display capabilities, transmittability, storage capacity, disposal ability etc.

Here, Collaborative Control can comprise following implication: main control device is by resolving the environmental context information of each member device, understand the operating state of each member device and the situation of possess situations such as moving professional ability and current surrounding environment, demand in conjunction with current business, control each member device and carry out collaborative work, realize the support to current business.

Wherein, described main control device comprises Collaborative Control unit and database, and wherein, described database is used for the environmental context information of preserving described each member device; Described Collaborative Control unit for the environmental context information of preserving by inquiring about described database, carries out Collaborative Control to described each member device.

Wherein, described member device can comprise ability unit and polymerized unit, and wherein, described ability unit is used for realizing one or more professional abilities of operation; Described polymerized unit is used for calling described ability unit under the Collaborative Control of described main control device.For example, described ability unit specifically can be Presentation Function module, memory function module, data processing function module or transport function.Particularly, described polymerized unit is submitted to described ability unit the server of current institute of virtual terminal system bearer service with the form of interface, so that this server can call the corresponding business of described ability unit operation.

Wherein, described Collaborative Control unit also is used for when having equipment need to add described virtual terminal system, based on the environmental context information of described equipment, finish the processing that described equipment adds described virtual terminal system, adjust the topological structure of described virtual terminal system.

Here, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device adds described virtual terminal system, the specific implementation process as described below in corresponding contents described, do not repeat them here.

Wherein, described Collaborative Control unit, also be used for based on the environmental context information of member device described in the described database or the environmental context information of described main control device self, finish the processing that described member device or described main control device self withdraw from described virtual terminal system, adjust the topological structure of described virtual terminal system.

Here, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device withdraws from described virtual terminal system, the specific implementation process as described below in corresponding contents described, do not repeat them here.

Accordingly, the present invention also provides the virtual terminal network system realization, with reference to shown in Figure 2, mainly comprises the steps:

Step 201: according to the environmental context information of each equipment, from each equipment, put forward an equipment as the main control device of virtual terminal system;

Here, based on information about the environment of each equipment, through consultation, put forward an equipment as main control device between each equipment, set up the virtual terminal system that includes this main control device.

Particularly, each equipment can be by resolving terminal capability contextual information each other, the ability that the ability of self-operating business and neighbouring device operation is professional compares, and consults to select the strongest equipment of operation professional ability in each equipment, with this equipment as described main control device.

At definite described equipment during as main control device, described equipment also in the environmental context information of self sign self possesses the Collaborative Control ability.Particularly, at definite described equipment during as main control device, described equipment adds in the environmental context information of self and is used for characterizing the ability information that self possesses the Collaborative Control ability and preserves.

Step 202: each equipment of other except described main control device depends on described main control device and adds described virtual terminal system, as the member device of described virtual terminal system;

Wherein, the main control device of described virtual terminal system is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control; Described member device is used for carrying out collaborative work under the Collaborative Control of described main control device.

Wherein, described method also comprises: when having equipment need to add described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of described equipment, finish the processing that described equipment adds described virtual terminal system, adjust the topological structure of described virtual terminal system.

Particularly, the described virtual terminal of described adding system comprises: the main control device of described virtual terminal system authenticates described equipment based on the environmental context information of equipment, when authentication success, with the environmental context information registering of described equipment in the database of self.

Here, the described virtual terminal of described adding system, also comprise: described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is higher than the ability of self-operating business, switch the described main control device that is made as described virtual terminal system, will self be converted to the member device of described virtual terminal system; Described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is not higher than the ability of self-operating business, with the member device of described equipment as described virtual terminal system.

Here, the described equipment of described switching is the main control device of described virtual terminal system, the member device of described virtual terminal system will self be converted to, comprise: described main control device notifies each member device in the described virtual terminal system to switch on the described equipment, and on the described equipment of environmental context information registering with self; Receive each member device of described notice, be connected on the described equipment and on the described equipment of environmental context information registering with self according to described notice.

Wherein, described method can also comprise: when having member device or main control device need to withdraw from described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of member device or the environmental context information of main control device self, finish described member device or self withdraw from the processing of described virtual terminal system, adjust the topological structure of described virtual terminal system.

Particularly, the described described virtual terminal system that withdraws from, comprise: when described main control device withdraws from described virtual terminal system, described main control device switches to each member device on the specified new main control device, the environmental context information of preserving in its data storehouse is transferred on the described new main control device, and the business of the current carrying of described virtual terminal system out of service.

Particularly, the described described virtual terminal system that withdraws from, also comprise: when described member device withdrawed from described virtual terminal system, described member device sent the request of withdrawing to described main control device, the information deletion that described main control device is relevant with member device described in its data storehouse; The business of the current carrying of described member device described virtual terminal system out of service.

Embodiment one

The present embodiment elaborates to the implementation procedure that equipment adds the virtual terminal system.

With reference to shown in Figure 3, after setting up the virtual terminal system, because the variation of external environment, device A need to join in the described virtual terminal system, and at this moment, the specific implementation flow process that device A adds described virtual terminal system can comprise the steps:

Step 301: device A is sent to the main control device in the described virtual terminal system and is joined request, and request adds the virtual terminal system;

Step 302: described main control device receives described joining request, and the environmental context information based on described device A authenticates described device A, if authentication success then continues step 303, if authentification failure then finishes current flow process;

Here, main control device need to authenticate equipment, mainly is whether the described equipment of checking has the professional ability of the described needed operation of virtual terminal system, and authentication is by allowing described equipment to add the virtual terminal system.

Particularly, main control device can obtain the environmental context information of device A, and based on the environmental context information of device A, whether judgment device A has the ability of institute of the current virtual terminal of operation system bearer service, if so, and to the device A authentication success, otherwise, to the device A authentification failure.

Because the ability of the operation business that the terminal capability contextual information of device A can characterization device A has, therefore, main control device can be by parsing the terminal capability contextual information of device A from the environmental context information of device A, whether the terminal capability contextual information of judgment device A includes the relevant information that has the ability of institute of the current virtual terminal of operation system bearer service for characterization device A, if have, to the device A authentication success, otherwise, to the device A authentification failure.

Step 303: described main control device with the environmental context information registering of device A in the database of self;

Step 304: described main control device is according to the environmental context information of device A, and whether judgment device A can if so, continue step 305 as main control device, if not, continue step 308;

Particularly, described main control device can be by the environmental context information of parsing self and the environmental context information of device A, the ability of self-operating business and the ability of device A operation business are compared, if the professional ability of device A operation is higher than described main control device, then judgment device A can be as main control device, otherwise judgment device A can not be as main control device.

Step 305: each current member device switches on the device A in the described main control device notice virtual terminal system, is converted to the member device of virtual terminal system, and with self environmental context information registering in the database of device A;

Step 306: receive each member device of described notice, switch on the device A according to described notice;

Particularly, each member device switches on the device A, comprising: each member device is connected with device A, and in the database of environmental context information registering device A with self.

Step 307: device A becomes the main control device of described virtual terminal system, and sign self possesses the Collaborative Control ability in the environmental context information of self, finishes current flow process;

Step 308: device A becomes the member device of described virtual terminal system, finishes current flow process.

Here, device A can be called by the main control device that self connected during as the member device of virtual terminal system, carries out professional operation.

Embodiment two

In the present embodiment, the process that equipment B is withdrawed from the virtual terminal system elaborates.

With reference to shown in Figure 4, after setting up the virtual terminal system, because the variation of external environment or the variation of ability that equipment B possesses, equipment B need to withdraw from from described virtual terminal system, at this moment, the equipment B specific implementation flow process that withdraws from the virtual terminal system can comprise the steps:

Step 401, equipment B judge according to the environmental context information of self whether self is main control device, if so, then continues step 402, otherwise, continue step 405;

Particularly, equipment B can judge whether self has the Collaborative Control ability based on the environmental context information of self, if so, then judge certainly as main control device, otherwise, judge certainly as member device.

Here, equipment B can be inquired about the environmental context information of self, whether includes the ability information that self possesses the Collaborative Control ability for characterizing in the verification environment contextual information, if, then judge certainly as main control device, otherwise, judge certainly as member device.

Step 402, equipment B is specified new main control device, the environmental context information of preserving in its data storehouse is transferred on the described new main control device, and notified each member device to switch on the specified main control device;

Here, equipment B can be by resolving the environmental context information of each member device, from described each member device, select the professional the strongest equipment of ability of operation, selected main control device is appointed as the new main control device of described each member device, and is sent the notice that switches on the described new main control device to each member device.

Particularly, equipment B is transferred to the environmental context information in its data storehouse on the main control device specified in the step 403, and after notifying each member device, also described environmental context information is deleted from the database of self.

Step 403 receives each member device of described notice, switches on the new main control device according to described notice;

Particularly, each member device switches on the new main control device, comprising: each member device is connected with new main control device, and in the database of the new main control device of environmental context information registering with self.

Here, the relevant information that can comprise new main control device in the described notice, such as address information etc., each member device can be according to the information such as address of new main control device, connect with new main control device, and with self environmental context information registering in the database of new main control device.

Step 404, equipment B current business by the virtual terminal system bearing out of service, the current flow process that withdraws from finishes;

Step 405, equipment B is sent the request of withdrawing to the main control device of virtual terminal system, and the virtual terminal system is withdrawed from request;

Step 406, the request of withdrawing from that the main control device receiving equipment B of virtual terminal system sends inquires the relevant information of equipment B from the database of self, the relevant information of equipment B is deleted from the database of self, and return exit confirmation message to equipment B;

Particularly, main control device can according to the address information of equipment B, find the relevant information of equipment B from the database of self.Wherein, equipment B is sent withdraws from the address information that includes equipment B in the request.

Here, the relevant information of equipment B comprises the environmental context information of equipment B.

Step 407, equipment B receive the exit confirmation message that described main control device returns, and current business by the virtual terminal system bearing out of service, withdraw from flow process and finish.

The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.

Claims (15)

1. a virtual terminal system is characterized in that, described virtual terminal system comprises: a main control device and at least one member device; Wherein,
Main control device is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control;
Member device is used for carrying out collaborative work under the Collaborative Control of described main control device.
2. described virtual terminal system according to claim 1 is characterized in that, described main control device comprises Collaborative Control unit and database, wherein,
Described database is used for the environmental context information of preserving described each member device;
Described Collaborative Control unit for the environmental context information of preserving by inquiring about described database, carries out Collaborative Control to described each member device.
3. described virtual terminal system according to claim 1 is characterized in that, described member device comprises: polymerized unit and at least one ability unit, wherein,
The ability unit is used for realizing one or more professional abilities of operation;
Polymerized unit is used for calling described ability unit under the Collaborative Control of described main control device, carries out collaborative work.
4. according to claim 1 to 3 each described virtual terminal systems, it is characterized in that, described Collaborative Control unit, also be used for when having equipment need to add described virtual terminal system, environmental context information based on described equipment, finish the processing that described equipment adds described virtual terminal system, adjust the topological structure of described virtual terminal system.
5. described virtual terminal system according to claim 4 is characterized in that, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device adds described virtual terminal system.
6. according to claim 1 to 3 each described virtual terminal systems, it is characterized in that, described Collaborative Control unit, also be used for based on the environmental context information of member device described in the described database or the environmental context information of described main control device self, finish the processing that described member device or described main control device self withdraw from described virtual terminal system, adjust the topological structure of described virtual terminal system.
7. described virtual terminal system according to claim 6 is characterized in that, described polymerized unit also is used for alternately with the Collaborative Control unit of described main control device, finishes the processing that member device withdraws from described virtual terminal system.
8. the implementation method of a virtual terminal system is characterized in that, described method comprises:
According to the environmental context information of each equipment, from each equipment, put forward an equipment as the main control device of virtual terminal system;
Each equipment of except described main control device other depends on described main control device and adds described virtual terminal system, as the member device of described virtual terminal system;
Wherein, the main control device of described virtual terminal system is used for the environmental context information based on described member device, and described member device is carried out Collaborative Control; Described member device is used for carrying out collaborative work under the Collaborative Control of described main control device.
9. the implementation method of described virtual terminal system according to claim 8 is characterized in that, described method also comprises:
When having equipment need to add described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of described equipment, finishes the processing that described equipment adds described virtual terminal system, adjusts the topological structure of described virtual terminal system.
10. according to claim 8 or the implementation method of 9 described virtual terminal systems, it is characterized in that, the described virtual terminal of described adding system comprises:
The main control device of described virtual terminal system authenticates described equipment based on the environmental context information of equipment, when authentication success, with the environmental context information registering of described equipment in the database of self.
11. the implementation method of described virtual terminal system is characterized in that according to claim 10, the described virtual terminal of described adding system also comprises:
Described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is higher than the ability of self-operating business, switch the described main control device that is made as described virtual terminal system, will self be converted to the member device of described virtual terminal system;
Described main control device is according to the environmental context information of described equipment and the environmental context information of self, when judging that the professional ability of described equipment operation is not higher than the ability of self-operating business, with the member device of described equipment as described virtual terminal system.
12. the implementation method of described virtual terminal system is characterized in that according to claim 11, the described equipment of described switching is the main control device of described virtual terminal system, will self be converted to the member device of described virtual terminal system, comprising:
Described main control device notifies each member device in the described virtual terminal system to switch on the described equipment, and on the described equipment of environmental context information registering with self;
Receive each member device of described notice, be connected on the described equipment and on the described equipment of environmental context information registering with self according to described notice.
13. the implementation method of described virtual terminal system is characterized in that according to claim 8, described method also comprises:
When having member device or main control device need to withdraw from described virtual terminal system, the main control device of described virtual terminal system is based on the environmental context information of member device or the environmental context information of main control device self, finish described member device or self withdraw from the processing of described virtual terminal system, adjust the topological structure of described virtual terminal system.
14. the implementation method of described virtual terminal system is characterized in that according to claim 13, the described described virtual terminal system that withdraws from comprises:
When described main control device withdraws from described virtual terminal system, described main control device switches to each member device on the specified new main control device, the environmental context information of preserving in its data storehouse is transferred on the described new main control device, and the business of the current carrying of described virtual terminal system out of service.
15. according to claim 13 or the implementation method of 14 described virtual terminal systems, it is characterized in that, the described described virtual terminal system that withdraws from also comprises:
When described member device withdrawed from described virtual terminal system, described member device sent the request of withdrawing to described main control device, the information deletion that described main control device is relevant with member device described in its data storehouse;
The business of the current carrying of described member device described virtual terminal system out of service.
CN2011102039981A 2011-07-20 2011-07-20 Virtual terminal system and implement method CN102891871A (en)

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