CN102685824A

CN102685824A - Method, device and system for switching network

Info

Publication number: CN102685824A
Application number: CN2012101520521A
Authority: CN
Inventors: 姜彤; 刘培
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-05-16
Filing date: 2012-05-16
Publication date: 2012-09-19
Anticipated expiration: 2032-05-16
Also published as: CN102685824B

Abstract

The invention discloses a method, a device and a system for switching a network and belongs to the field of communication. The method comprises the following steps of: sending network switching request information to a first communication module of second equipment from a first communication module of first equipment; when receiving a response for receiving a network switching request, which is returned by a first communication module of the second equipment, searching an addable candidate network by a second communication module of the first equipment; when searching the addable candidate network, determining a second network corresponding to a second communication type mark from the candidate network by the second communication module on the first equipment, which corresponds to the second communication type mark, and adding the second network; and sending a network mark of the second network to the first communication module of the second equipment through the first communication module of the first equipment, so as to add the second communication module corresponding to the second communication type mark on the second equipment into the second network. According to the invention, the first equipment and the second equipment can successfully switch a communication network and carry out communication through the switched second network.

Description

Method, Apparatus and system that network switches

Technical field

The present invention relates to the communications field, relate in particular to method, Apparatus and system that a kind of network switches.

Background technology

Along with the differentiation of home network technologies, the kind of current family digital equipment and data format are more and more, and the user also is more and more for the demand of sharing of data between content of multimedia such as HDTV, internet video and subscriber equipment.In the general family, single home network technologies can not realize 100% coverage rate.Such as, for PLC (Power Line Communication, power line communication) network, though all there is supply socket in each room, the interference ratio of PLC channel is bigger, may influence the performance of PLC; For WiFi (Wireless Fidelity, adopting wireless fidelity technology), possibly can cause the decay of signal owing to the density of building construction and construction material, and reduce coverage rate.Therefore, support the seamless interlinkage between the subscriber equipment of the different communication technologys to become the requisite key element of interconnected family.

OMEGA (Home Gigabit Access; Family's gigabit access) Inter-MAC layer notion and standard have been proposed; It is positioned at OSI (Open System Interconnect; Open system is interconnected) protocol infrastructure the layer two and the layer three between, can integrate the communication technologys such as Ethernet, PLC, UWB (Ultra Wideband, ultra broadband), WiFi, optical fiber; Public data and control Service Access Point are provided, can have allowed the MAC layer information and the exchange of Inter-MAC interlayer of different technologies.

Define three different faces in the Inter-MAC layer, comprised chain of command, data surface and chain of command.Data surface is responsible for sending data, and it obtains packet from different formations, and transfers them to output queue or high-rise, and data surface mainly comprises forward direction sending module, encrypting module.Chain of command is responsible for QoS (Quality of Service; Service quality) manage, find and safeguard the monitoring of end-to-end path, link-local state and the foundation and the dismounting of link; Accomplished by QoS module, path selection module, monitoring modular and link establishment/dismounting module respectively, wherein the QoS module comprises QoS mapping and access control two sub-module, in path selection module; Preserved routing list; And monitoring modular is responsible for the direct connectedness of this equipment of verification and neighbor device, and provides the parameter that needs recomputating the path that path selection module has been set up, and nearest and current link parameter is stored in the information database; Link establishment/dismounting module is responsible for setting up and removing link, and is the information of monitoring modular collection neighbor device and the QoS state of current link.Chain of command mainly is responsible for providing block configuration, wrong parameter, performance parameter, configuration parameter, security parameter etc.In addition, the Inter-MAC layer also has the Inter-MAC adapter corresponding to each technology modules outward, and being responsible for MAC layer primitive, the message translation that each is technological is the irrelevant method for expressing of technology modules.

In the equipment of the Inter-MAC agreement of support OMEGA, integrated the module of a plurality of support different communications technology.Each communication technology module has the device identification of oneself, like MAC Address.For whole multimode device, a total device identification is arranged, like the Inter-MAC address.When the equipment of two support Inter-MAC agreements communicates, specifically through communicating between the module of supporting the same communication technology in these two equipment.For example, when all supporting to desire to communicate between the PLC equipment of IEEE P1901 standard, two equipment can directly be inserted on the socket, utilize family's power line to communicate as transmission medium.But the communication that also can come the disparate modules of two equipment through the Inter-MAC layer in two equipment, thereby the connection between the home network of realization different technologies type enlarges home network and covers.

According to different communication requirements, when communicating between the equipment of two support Inter-MAC agreements, can carry out network usually and switch.

For example; First equipment and second equipment is opposite equip. and be the equipment of supporting the Inter-MAC agreement each other; At this moment; First equipment and second equipment communicate through power line network, promptly communicate through the communication link in the power line network between the PLC module of the PLC module of first equipment and second equipment.If the user need switch to WLAN (Wireless Local Area Network with power line network; WLAN) during network, then need switch between the last WiFi module of WiFi module and second equipment on first equipment and communicate through the communication link in the wlan network.Yet; Adopt prior art, in the process that communicates between first equipment and second equipment, when carrying out the network switching if desired; Said first equipment and second equipment need to carry out separately to switch to second network; When second network that is switched to separately when said first equipment and second equipment is inequality, then can't be implemented between first equipment and second equipment in the network after the switching and communicate, thus the failure that causes network to switch.

Summary of the invention

The invention discloses method, Apparatus and system that a kind of network switches,, guaranteed that to a certain extent first equipment and second equipment can successfully switch communication network and communicates through second network after the switching through the present invention.

The method that present embodiment provides a kind of network to switch specifically comprises following technical scheme:

The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

When the first communication module that receives second equipment return accept the response of network handoff request the time, the current candidate network that adds of the second communication module corresponding search on first equipment with the second communication type identification;

When searching the candidate network that can add, the second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on first equipment from candidate network;

The first communication module of first equipment sends to the first communication module of second equipment with second network of network sign, so that second equipment second communication module corresponding with the second communication type identification adds second network.

Present embodiment provides second kind of method that network switches, and specifically comprises following technical scheme:

The first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

The first communication module of second equipment returns the response of accepting the network handoff request to the first communication module of first equipment;

The first communication module of second equipment receives the second network of network sign corresponding with the second communication type identification of the first communication module transmission of first equipment;

Second communication module corresponding with the second communication type identification on second equipment adds second network.

The method that present embodiment provides the third network to switch specifically comprises following technical scheme:

When the first communication module that receives second equipment return accept the response of network handoff request the time, the current first group of candidate network that adds of the second communication module corresponding search on first equipment with the second communication type identification;

When searching first group of candidate network that can add; The first communication module of first equipment sends to the first communication module of second equipment with the network identity of first group of candidate network, so that the second communication mould corresponding with the second communication type identification confirmed the second network also adding corresponding with the second communication type identification on second equipment from first group of candidate network;

The first communication module of first equipment receives second network of network sign of the first communication module transmission of second equipment;

Second communication module corresponding with the second communication type identification on first equipment adds second network.

Present embodiment provides the 4th kind of method that network switches, and specifically comprises following technical scheme:

The first communication module of second equipment receives first group of candidate network of the first communication module transmission of first equipment;

The second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on second equipment from first group of candidate network;

The first communication module of second equipment sends to the first communication module of first equipment with second network of network sign, so that the second communication module corresponding with the second communication type identification adds second network on first equipment.

Present embodiment also provides a kind of network device for switching, specifically comprises:

First sending module is used for sending network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

Search module, be used for when the first communication module that receives second equipment return accept the response of network handoff request the time, search for the current candidate network that adds;

Add module, be used for when searching the candidate network that can add, from candidate network, confirm second network corresponding and adding with the second communication type identification;

Second sending module is used for the first communication module of second equipment that second network of network sign is sent to, so that second equipment second communication module corresponding with the second communication type identification adds second network.

Present embodiment also provides second kind of network device for switching, specifically comprises:

First receiver module is used to the network handoff request information that the first communication module of first equipment that receives sends, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

First sending module is used for returning the response of accepting the network handoff request to the first communication module of first equipment;

Second receiver module, second network of network corresponding with the second communication type identification that is used to the first communication module transmission of first equipment that receives identifies;

Add module, be used to add second network.

Present embodiment also provides the third network device for switching, specifically comprises:

Search module, be used for when the first communication module that receives second equipment return accept the response of network handoff request the time, search for the current first group of candidate network that adds;

Second sending module; Be used for when searching first group of candidate network that can add; The network identity of first group of candidate network is sent to the first communication module of second equipment, so that the second communication mould corresponding with the second communication type identification confirmed to go up and the also adding of corresponding second network of second communication type identification on second equipment from first group of candidate network;

Receiver module, second network of network that is used to the first communication module transmission of second equipment that receives identifies;

Add module, be used to add second network.

Present embodiment also provides the 4th kind of network device for switching, specifically comprises:

Second receiver module is used to first group of candidate network that the first communication module of first equipment that receives sends;

Add module, be used for confirming second network corresponding and adding with the second communication type identification from first group of candidate network;

Second sending module is used for the first communication module of first equipment that second network of network sign is sent to, so that the second communication module corresponding with the second communication type identification adds second network on first equipment.

The present invention also provides a kind of network switched system, comprises above-mentioned first equipment, above-mentioned second equipment, and above-mentioned first equipment comprises first communication module and second communication module, and above-mentioned second equipment comprises first communication module and second communication module.

Method, Apparatus and system that a kind of network provided by the invention switches; In the present invention; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the second communication module of first equipment is confirmed second network and added; And second network of network sign being sent to the first communication module of second equipment by the first communication module of first equipment, the second communication module of second equipment adds second network.

Perhaps; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment; And after the response of accepting the network handoff request that the first communication module that receives second equipment returns; The network identity of first group of candidate network that the first communication module of first equipment can add sends to second equipment; The second communication module of second equipment confirms second network and adds from first group of candidate network, by the first communication module of second equipment second network of network sign is sent to the first communication module of first equipment again, and the second communication module of first equipment adds second network.

It is thus clear that; Through the present invention; First equipment that guaranteed can add the second identical network with second equipment second communication module separately, thereby makes the equipment of winning and second equipment can successfully switch communication network and communicate through second network after switching.

Description of drawings

In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

The method flow diagram that a kind of network that Fig. 1 provides for present embodiment 1 switches;

The method flow diagram that second kind of network that Fig. 2 provides for present embodiment 1 switches;

The method flow diagram that the third network that Fig. 3 provides for present embodiment 1 switches;

The method flow diagram that the 4th kind of network that Fig. 4 provides for present embodiment 1 switches;

The method flow diagram that a kind of network that Fig. 5 provides for present embodiment 2 switches;

The method flow diagram that a kind of network that Fig. 6 provides for present embodiment 3 switches;

A kind of network device for switching structure chart that Fig. 7 provides for present embodiment 4;

A kind of network device for switching structure chart that Fig. 8 provides for present embodiment 4;

Second kind of network device for switching structure chart that Fig. 9 provides for present embodiment 4;

Second kind of network device for switching structure chart that Figure 10 provides for present embodiment 4;

Second kind of network device for switching structure chart that Figure 11 provides for present embodiment 4;

Second kind of network device for switching structure chart that Figure 12 provides for present embodiment 4;

The third network device for switching structure chart that Figure 13 provides for present embodiment 4;

The third network device for switching structure chart that Figure 14 provides for present embodiment 4;

The 4th kind of network device for switching structure chart that Figure 15 provides for present embodiment 4;

The 4th kind of network device for switching structure chart that Figure 16 provides for present embodiment 4;

The 4th kind of network device for switching structure chart that Figure 17 provides for present embodiment 4;

The 4th kind of network device for switching structure chart that Figure 18 provides for present embodiment 4;

A kind of network switched system structure chart that Figure 19 provides for present embodiment 4.

Embodiment

For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.

In embodiments of the present invention; First equipment and second equipment is opposite equip. each other; And first equipment is identical with the device type of second equipment, is the equipment of supporting the Inter-MAC agreement, wherein; Support the equipment of Inter-MAC agreement can support the multiple communication technology simultaneously, for example: support the communication technologys such as power line network communication, WLAN communication and coaxial cable communication simultaneously.Each communication technology is all realized by the different techniques module; For example: the PLC module supports power line network communication, WiFi module to support WLAN communication, MoCA (Multimedia over Coax Alliance, multimedia over Coax Alliance) module to support coaxial cable multimedia network service etc.

In following examples of the present invention; With under first communication network; When the first communication module of the first communication module of first equipment and second equipment was communicating through first communication link, the application scenarios that need switch to the second communication network was that example specifies scheme of the present invention.

Wherein, first communication module and the second communication module module under dissimilar communication networks, carrying out data communication comprises: WiFi module, PLC module or MoCA module etc.First communication network and the dissimilar communication network of second communication network for adopting the different communication technologys to set up, this dissimilar communication network comprises: wireless network, power line network, coax network etc.Hereinafter, first communication link of mentioning is under first communication network, the link that communicates between the first communication module of the first communication module of first equipment and second equipment; The second communication link is under the second communication network, the link that communicates between the second communication module of the second communication module of first equipment and second equipment.

What be worth explanation is, after first equipment and second equipment all successfully added communication network, the communication link that adopts when the corresponding communication module communicates separately on this first equipment and second equipment can be set up.For example, after the second communication module of the second communication module of first equipment and second equipment all successfully added the second communication network, the second communication link promptly can form.

Need to prove; After first equipment and second equipment second communication module through separately all successfully adds the second communication network; The second communication module of the second communication module of first equipment and second equipment can communicate through the second communication link; At this moment; According to user's different demands or different business types, can be with in first communication network, first communication link of ongoing communication is closed between the first communication module of the first communication module of first equipment and second equipment; Also can not close said first communication link, realize communicating through first communication link and second communication link simultaneously between first equipment and second equipment.

Embodiment 1

Referring to Fig. 1, the method flow diagram that a kind of network that provides for present embodiment switches, this method is carried out by first equipment, specifically comprises the steps:

The first communication module of 101: the first equipment sends network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment.

102: when the first communication module that receives second equipment return accept the response of network handoff request the time, the current candidate network that adds of the second communication module corresponding search on first equipment with said second communication type identification.

103: when searching the candidate network that can add, the second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on first equipment from candidate network.

The first communication module of 104: the first equipment sends to the first communication module of second equipment with second network of network sign, so that second equipment second communication module corresponding with the second communication type identification adds second network.

Correspondingly, referring to Fig. 2, the method flow diagram that a kind of network that provides for present embodiment switches, this method is carried out by second equipment, specifically comprises the steps:

The first communication module of 201: the second equipment receives the network handoff request information of the first communication module transmission of first equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment.

The first communication module of 202: the second equipment returns the response of accepting the network handoff request to the first communication module of first equipment.

The first communication module of 203: the second equipment receives second network of network sign of the first communication module transmission of first equipment.

The second communication module corresponding with the second communication type identification adds second network corresponding with the second communication type identification on 204: the second equipment.

The method that a kind of network that present embodiment provides switches; In the present embodiment; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the second communication module of first equipment is confirmed second network and added; And second network of network sign is sent to the first communication module of second equipment by the first communication module of first equipment, make the second communication module of second equipment add second network.

It is thus clear that; Pass through present embodiment; First equipment that guaranteed can add the second identical network with second equipment second communication module separately, thereby makes the equipment of winning and second equipment can successfully switch communication network and communicate through second network after switching.

Referring to Fig. 3, the method flow diagram that the another kind of network that also provides for present embodiment switches, this method is carried out by first equipment, specifically comprises the steps:

The first communication module of 301: the first equipment sends network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment.

302: when the first communication module that receives second equipment return accept the response of network handoff request the time, the current first group of candidate network that adds of the second communication module corresponding search on first equipment with the second communication type identification.

303: when searching first group of candidate network that can add; The first communication module of first equipment sends to the first communication module of second equipment with the network identity of first group of candidate network, so that the second communication mould corresponding with the second communication type identification confirmed the second network also adding corresponding with the second communication type identification on second equipment from first group of candidate network.

The first communication module of 304: the first equipment receives second network of network sign of the first communication module transmission of second equipment.

The second communication module corresponding with the second communication type identification adds second network on 305: the first equipment.

Correspondingly, referring to Fig. 4, the method flow diagram that the another kind of network that provides for present embodiment switches, this method is carried out by second equipment, specifically comprises the steps:

The first communication module of 401: the second equipment receives the network handoff request information of the first communication module transmission of first equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment.

The first communication module of 402: the second equipment returns the response of accepting the network handoff request to the first communication module of first equipment.

The first communication module of 403: the second equipment receives first group of candidate network of the first communication module transmission of first equipment.

The second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on 404: the second equipment from first group of candidate network.

The first communication module of 405: the second equipment sends to the first communication module of first equipment with second network of network sign, so that the second communication module corresponding with the second communication type identification adds second network on first equipment.

The method that the another kind of network that present embodiment provides switches; In the method; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment; And after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the network identity of first group of candidate network that the first communication module of first equipment can add sends to second equipment, and the second communication module of second equipment is confirmed second network and added from first group of candidate network; By the first communication mould of second equipment second network of network sign is sent to the first communication module of first equipment again, the second communication module of first equipment adds second network.

Embodiment 2

Referring to Fig. 5, the method flow diagram that a kind of network that provides for present embodiment switches.This method specifically comprises the steps:

The first communication module of 501: the first equipment sends network handoff request information to the first communication module of second equipment.

Wherein, the MAC Address that comprises the second communication module of the second communication type identification and first equipment in the above-mentioned network handoff request information at least;

Need to prove, comprise one that is used for representing the communication module type identification of the employed communication module in network switching back or is used to represent the required second network of network type identification that switches in the second communication type identification at least.

For example; Just in first communication network, communicate between the first communication module of the first communication module of first equipment and second equipment through first communication link; And first communication module is the PLC module; First communication network is a power line network, and first communication link is under power line network, the link that communicates between the PLC module of first equipment and the PLC module of second equipment.At this moment; When first equipment and second equipment need switch to the MoCA network and communicates; The MAC Address that then need comprise the MoCA module of the second communication type identification and first equipment in the network handoff request information; Wherein, the second communication type identification specifically can be represented the communication module type identification of MoCA module or be used to represent MoCA network of network type identification for being used to.

Further, above-mentioned network handoff request information can also comprise the information such as channel frequency of closing second communication module its work before.

The first communication module of 502: the second equipment judges whether to accept the network handoff request after receiving network handoff request information.

503: when accepting the network handoff request, the first communication module of second equipment sends the response of accepting the network handoff request to the first communication module of first equipment.

Particularly, when accepting the network handoff request, the first communication module of second equipment sends the response of accepting the network handoff request through first communication link to the first communication module of first equipment.

504: when refusal network handoff request, the first communication module of second equipment sends the response of refusal network handoff request or does not send any response message to the first communication module of first equipment to the first communication module of first equipment.

For example, the user maybe be when being provided with second equipment in order to reduce equipment power dissipation, and second communication module is set to not opening, and at this moment, second equipment then can not accepted the network handoff request.

505: after the first communication module of first equipment receives the response of accepting the network handoff request that the first communication module of second equipment sends, the current candidate network that adds of second communication module search of first equipment.

Wherein, in the present embodiment, the second communication module of first equipment is a second communication module corresponding with the second communication type identification on first equipment.

Optional, the second communication module of first equipment can be by first opening of device before the current candidate network that adds of second communication module search of first equipment.

Need to prove that the current candidate network that adds of second communication module search of first equipment belongs to prior art, repeats no more at this.

506: when the second communication module of first equipment did not search the candidate network that can add, the second communication module of first equipment was set up second network corresponding with the second communication type identification, and the network of setting up is also added as second network.

Need to prove, because different communication networks has its characteristic separately, for example; Power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore, second network that switches to when needs is for can support to create voluntarily the time, after carrying out this step; The operation of meeting execution in step 508 is repeated no more at this; Second network that switches to when needs is in the time of can not creating network of network voluntarily, then to stop the operation that network switches.

Wherein, The process that the second communication module of first equipment is set up second network corresponding with the second communication type identification belongs to prior art; For example: when second communication module is the MoCA module; The process that the MoCA module is set up network is roughly: the MoCA module selects an operable frequency range to set up network, the beacon of going on the air, and wait for the networking license request that other MoCA equipment send.

507: when the second communication module of first equipment searched the candidate network that can add, the second communication module of first equipment was confirmed second network corresponding with the second communication type identification and is added from candidate network.

Further, the second communication module of first equipment is confirmed second network corresponding with the second communication type identification and is added, specifically comprises following two kinds of modes from candidate network:

Mode one, when only comprising a network in the candidate network, the second communication module of first equipment also adds this candidate network as second network corresponding with the second communication type identification;

Optional, when the required network that switches to of first equipment is networks such as MoCA network, power line network, can adopt this mode to add second network.

Mode two, when comprising at least two networks in the candidate network, the second communication module of first equipment also adds any network in the candidate network as second network corresponding with the second communication type identification;

Optional, when the required network that switches to of first equipment was wlan network, the WiFi module of first equipment can add second network through this kind mode.

The first communication module of 508: the first equipment sends to second network of network sign first communication module of second equipment.

Particularly, the first communication module of first equipment sends to the first communication module of second equipment through first communication link with second network of network sign, wherein, comprises the second network of network ID in second network of network sign.

Optional, when the second communication module of first equipment sent to the second communication module of second equipment with second network of network sign that is added, the second communication module that can also send first equipment successfully added the response of second network.

509: after receiving second network of network sign, the current candidate network that adds of second communication module search of second equipment.

Wherein, in the present embodiment, the second communication module of second equipment is a second communication module corresponding with the second communication type identification on second equipment.

Optional, the second communication module of second equipment can be by second opening of device before the current first group of candidate network that adds of second communication module search of second equipment.

Need to prove that when the required network that switches to was power line network, the second communication module of this moment was the PLC module, in above-mentioned steps 509, before the current candidate network that adds of the second communication module of second equipment search, also can carry out following steps:

The first communication module of second equipment judges whether second network of network sign is identical with the network identity that prestores.

When second network of network sign is identical with the network identity that prestores, carry out the operation of the current candidate network that adds of second communication module search of second equipment in the above-mentioned steps 509;

Need to prove; Because need adding the power line network corresponding with the network identity that prestores, the PLC module of second equipment realizes that power line network communicates by letter; Prestore information such as network identity in second equipment in the PLC module of support power line network communication; So before the PLC module of second equipment also adds candidate network as second network; Second network of network sign and the network identity that prestores are compared, and when second network of network sign was identical with the network identity that prestores, the PLC module of second equipment can be carried out the operation of the current power line network that adds of search.

When second network of network sign and the network identity that prestores were inequality, optional, the first communication module of second equipment returned the response that adds second network failure to the first communication module of first equipment.

510: when the second communication module of second equipment did not search the current candidate network that adds, the first communication module through second equipment sent the response that adds second network failure to the first communication module of first equipment.

Concrete, when the second communication module of second equipment did not search the current candidate network that adds, the first communication module of second equipment sent the response that adds second network failure through first communication link to the first communication module of first equipment.

511: receive the response of adding second network failure that the first communication module of second equipment sends when the first communication module of first equipment after, the second communication module of first equipment is set up also adding of second network corresponding with the second communication type identification.

Need to prove, because different communication networks has its characteristic separately, for example; Power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore, second network that switches to when needs is for can support to create voluntarily the time, after execution in step 511; The operation of meeting execution in step 508 is repeated no more at this; Second network that switches to when needs is in the time of can not creating the wireless network of network voluntarily, then to stop the operation that network switches.

Wherein, The second communication module of first equipment is set up in the method and above-mentioned steps 506 of second network corresponding with the second communication type identification; It is identical with the method for corresponding second network of second communication type identification that the second communication module of first equipment is set up, and repeats no more at this.

512: when the second communication module of second equipment searched the current candidate network that adds, the second communication module of second equipment judged in the network identity of candidate network whether have second network of network sign.

513: in candidate network, do not have second network of network sign, the first communication module of second equipment sends the response that adds second network failure to the first communication module of first equipment.

Particularly, when not having second network of network sign in the candidate network, the first communication module of second equipment sends the response that adds second network failure through first communication link to the first communication module of first equipment.

514: receive the response of adding second network failure that the first communication module of second equipment sends when the first communication module of first equipment after, the second communication module of first equipment is set up also adding of second network corresponding with the second communication type identification.

Need to prove, because different communication networks has its characteristic separately, for example; Power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore, second network that switches to when needs is for can support to create voluntarily the time, after execution in step 514; The operation of meeting execution in step 508 is repeated no more at this; Second network that switches to when needs is in the time of can not creating the wireless network of network voluntarily, then to stop the operation that network switches.

515: when having second network of network sign in the candidate network, the second communication module of second equipment adds network identity and the identical network of second network of network sign.

In the method that present embodiment provides, after first equipment and second equipment all successfully added the second communication network, the second communication link that adopts when separately second communication module communicates on this first equipment and second equipment can be set up.

After the second communication module of 516: the second equipment adds second network, send the response that successfully adds second network to first equipment.

Optional; After the second communication module of second equipment added the network identity network identical with second network of network sign, the second communication module of second equipment sent the response that successfully adds second network through the second communication module of second communication chain road direction first equipment.

Optional; After the second communication module of second equipment added the network identity network identical with second network of network sign, the first communication module of second equipment sent the response that successfully adds second network through first communication link to the first communication module of first equipment.

The method that a kind of network that present embodiment provides switches; In the method; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the second communication module of first equipment is confirmed second network and added; And second network of network sign being sent to the first communication module of second equipment by the first communication module of first equipment, the second communication module of second equipment adds second network.

Embodiment 3

Referring to Fig. 6, the method flow diagram that a kind of network that provides for present embodiment switches.This method specifically comprises the steps:

The first communication module of 601: the first equipment sends network handoff request information to the first communication module of second equipment.

The first communication module of 602: the second equipment judges whether to accept the network handoff request after receiving network handoff request information.

603: when accepting the network handoff request, the first communication module of second equipment sends the response of accepting the network handoff request to the first communication module of first equipment.

604: when refusal network handoff request, the first communication module of second equipment sends the response of refusal network handoff request or does not send any response message to the first communication module of first equipment to the first communication module of first equipment.

Wherein, in the situation of second equipment refusal network handoff request and the foregoing description 2 in the step 504 second equipment to refuse the situation of network handoff request identical, no longer illustrate at this.

Particularly; When refusal network handoff request, the first communication module of second equipment sends the response of refusal network handoff request or does not send any response message to the first communication module of first equipment to the first communication module of first equipment through first communication link.

605: after the first communication module of first equipment receives the response of accepting the network handoff request that the first communication module of second equipment sends, the current first group of candidate network that adds of second communication module search of first equipment.

Optional, the second communication module of first equipment can be by first opening of device before the current first group of candidate network that adds of second communication module search of first equipment.

Need to prove that the current first group of candidate network that adds of second communication module search of first equipment belongs to prior art, repeats no more at this.

606: when the second communication module of first equipment did not search first group of candidate network that can add, the second communication module of first equipment was set up second network corresponding with the second communication type identification, and the network of setting up is also added as second network.

Need to prove; Because different communication networks has its characteristic separately, for example, power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore; Second network that switches to when needs for can support to create voluntarily the time, after execution in step 606, in the operation that first equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of first equipment execution identical; In the operation that second equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of second equipment execution identical, repeat no more at this; Second network that switches to when needs is in the time of can not creating the wireless network of network voluntarily, then to stop the operation that network switches.

Wherein, In the method for second network that the second communication module foundation of first equipment is corresponding with the second communication type identification and the step 506 of above-mentioned enforcement 2; It is identical with the method for corresponding second network of second communication type identification that the second communication module of first equipment is set up, and repeats no more at this.

607: when the second communication module of first equipment searched first group of candidate network that can add, the first communication module of first equipment sent to the network identity of first group of candidate network first module of second equipment.

Particularly, when the second communication module of first equipment searched first group of candidate network that can add, the first communication module of first equipment sent to the network identity of first group of candidate network through first communication link first communication module of second equipment.

608: behind the network identity of first group of candidate network that first mould that receives first equipment sends, the current second group of candidate network that adds of the second communication module of second equipment search.

Need to prove that in the present embodiment, the second communication module of second equipment is a second communication module corresponding with the second communication type identification on second equipment.

Optional, the second communication module of second equipment can be by second opening of device before the current second group of candidate network that adds of second communication module search of second equipment.

Also need to prove; When the required network that switches to is power line network; The second communication module of this moment is the PLC module, in above-mentioned steps 608, before the current second group of candidate network that adds of the second communication module of second equipment search, also can carry out following steps:

The first communication module of second equipment judges in first group of candidate network whether have the network identity that prestores.

When having the network identity that prestores in first group of candidate network, carry out the operation of the current second group of candidate network that adds of second communication module search of second equipment in the above-mentioned steps 608;

Need to prove; Because need adding the power line network corresponding with the network identity that prestores, the PLC module of second equipment realizes that power line network communicates by letter; Prestore information such as network identity in second equipment in the PLC module of support power line network communication; So before the PLC module of second equipment also adds candidate network as second network; Judge in first group of candidate network whether have the network identity that prestores, when having the network identity that prestores in first group of candidate network, the PLC module of second equipment can be carried out the operation of the current power line network that adds of search.

When not having the network identity that prestores in first group of candidate network, optional, the first communication module of second equipment returns the response that adds second network failure to the first communication module of first equipment.

609: when the second communication module of second equipment does not search second group of candidate network that can add, send the response of adding second network failure to the first communication module of first equipment through the first communication module of second equipment.

Particularly, when the second communication module of second equipment did not search second group of candidate network that can add, the first communication module of second equipment sent the response that adds second network failure through first communication link to the first communication module of first equipment.

610: receive the response of adding second network failure that the first communication module of second equipment sends when the first communication module of first equipment after, the second communication module of first equipment is set up also adding of second network corresponding with the second communication type identification.

Need to prove; Because different communication networks has its characteristic separately, for example, power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore; Second network that switches to when needs for can support to create voluntarily the time, after execution in step 610, in the operation that first equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of first equipment execution identical; In the operation that second equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of second equipment execution identical, repeat no more at this; Second network that switches to when needs is in the time of can not creating the wireless network of network voluntarily, then to stop the operation that network switches.

611: when the second communication module of second equipment searched second group of candidate network that can add, the second communication module of second equipment judged in second group of candidate network and first group of candidate network whether have common network.

612: when not having common network, second equipment sends the response that adds second network failure to the first communication module of first equipment.

Particularly, when not having common network, the first communication module of second equipment sends the response that adds second network failure through first communication link to the first communication module of first equipment.

613: receive the response of adding second network failure that the first communication module of second equipment sends when the first communication module of first equipment after, the second communication module of first equipment is set up also adding of second network corresponding with the second communication type identification.

Need to prove; Because different communication networks has its characteristic separately, for example, power line network, coaxial cable multimedia network and part wireless network etc. can be created by equipment voluntarily; Therefore; Second network that switches to when needs for can support to create voluntarily the time, after execution in step 613, in the operation that first equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of first equipment execution identical; In the operation that second equipment is carried out and the foregoing description 2 in the step 508-step 516 operation of second equipment execution identical, repeat no more at this; Second network that switches to when needs is in the time of can not creating the wireless network of network voluntarily, then to stop the operation that network switches.

614: when having common network, the second communication module of second equipment is confirmed second network and is added in common network.

Further, the second communication module of second equipment is confirmed second network corresponding with the second communication type identification and is added, specifically comprises following two kinds of modes in common network:

Mode one, when only comprising a network in the common network, the second communication module of second equipment also adds this candidate network as second network corresponding with the second communication type identification;

Optional, when the required network that switches to of second equipment is networks such as MoCA network, power line network, can adopt this mode to add second network.

Mode two, when comprising at least two networks in the common network, the second communication module of second equipment also adds any network in the common network as second network corresponding with the second communication type identification;

Optional, when the required network that switches to of second equipment was wlan network, the WiFi module of second equipment can add second network through this kind mode.

The first communication module of 615: the second equipment sends to second network of network sign first communication module of first equipment.

Particularly, the first communication module of second equipment sends to the first communication module of first equipment through first communication link with second network of network sign, wherein, comprises the second network of network ID in second network of network sign.

Optional, the first communication module of second equipment can also send second equipment when second network of network sign is sent to the first communication module of first equipment second communication module successfully adds the response of second network.

After the first communication module of 616: the first equipment received second network of network sign that the first communication module of second equipment sends, the second communication module of second equipment added second network.

In the method that present embodiment provides, after first equipment and second equipment all successfully added the second communication network, the second communication link that adopts when separately second communication module communicates on this first equipment and second equipment can form.

After the second communication module of 617: the first equipment adds second network, send the response that successfully adds second network to second equipment.

Optional, after the second communication module of first equipment added second network, the second communication module of first equipment sent the response that successfully adds second network through the second communication module of second communication chain road direction second equipment.

Optional, after the second communication module of first equipment added second network, the first communication module of first equipment sent the response that successfully adds second network through first communication link to the first communication module of second equipment.

The method that a kind of network that present embodiment provides switches; In the method; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment; And after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the network identity of first group of candidate network that the first communication module of first equipment can add sends to second equipment, and the second communication module of second equipment is confirmed second network and added from first group of candidate network; By the first communication mould of second equipment second network of network sign is sent to the first communication module of first equipment again, the second communication module of first equipment adds second network.

Embodiment 4

Referring to Fig. 7, a kind of network device for switching structure chart that provides for present embodiment; Comprise:

First sending module 11 is used for sending network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

Search module 12, be used for when the first communication module that receives second equipment return accept the response of network handoff request the time, search for the current candidate network that adds;

Add module 13, be used for when searching the candidate network that can add, from candidate network, confirm second network corresponding and adding with the second communication type identification;

Second sending module 14 is used for the first communication module of second equipment that second network of network sign is sent to, so that the second communication module corresponding with the second communication type identification adds second network on second equipment.

Wherein, above-mentioned adding module 13 specifically is used for when candidate network only comprises a network, and candidate network is also added as second network corresponding with the second communication type identification;

Perhaps, above-mentioned adding module 13 specifically is used at least when candidate network comprises two networks, and any network in the candidate network is also added as second network corresponding with the second communication type identification.

Referring to Fig. 8, the network device for switching that present embodiment provides; Also comprise:

Set up module 15, during the response of adding second network failure that is used for sending, set up the network corresponding with the second communication type identification when the first communication module that receives second equipment, with the network of foundation as the also adding of second network;

Perhaps, the above-mentioned module 15 of setting up is used for when not searching the candidate network that can add, and sets up the network corresponding with the second communication type identification, and the network of setting up is also added as second network.

It should be understood that setting up module 15 can possess above-mentioned two functions simultaneously, just uses different functions under different situations.

Referring to Fig. 9, the second kind of network device for switching structure chart that provides for present embodiment; Comprise:

First receiver module 21 is used to the network handoff request information that the first communication module of first equipment that receives sends, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

First sending module 22 is used for returning the response of accepting the network handoff request to the first communication module of first equipment;

Second receiver module 23, second network of network corresponding with the second communication type identification that is used to the first communication module transmission of first equipment that receives identifies;

Add module 24, be used to add second network.

Referring to Figure 10, second kind of network device for switching that present embodiment provides; Also comprise:

Search module 25 is used to search for the current candidate network that adds;

First judge module 26 is used for when searching the candidate network that can add, and judges whether there is second network of network sign in the network identity of candidate network;

Further, above-mentioned adding module 24 specifically is used for when there is second network of network sign in the network identity of candidate network, and second communication module corresponding with the second communication type identification on second equipment adds second network.

Referring to Figure 11, second kind of network device for switching that present embodiment provides; Also comprise:

Second judge module 27 is used to judge whether second network of network sign is identical with the network identity that prestores;

Further, above-mentioned search module 25 specifically is used for when second network of network sign is identical with the network identity that prestores, searching for the current candidate network that adds.

Referring to Figure 12, second kind of network device for switching that present embodiment provides; Also comprise:

Second sending module 28 is used for when not searching the candidate network that can add, and sends the response of adding second network failure to the first communication module of first equipment;

Perhaps, above-mentioned second sending module 28 is used for when there is not second network of network sign in the network identity of candidate network the response of sending adding second network failure to the first communication module of first equipment;

Perhaps, above-mentioned second sending module 28 is used for when second network of network sign is identical with the network identity that prestores the response of sending adding second network failure to the first communication module of first equipment.

It should be understood that second sending module 28 can possess any two or three of above-mentioned three kinds of functions simultaneously, just under different situations, trigger different functions, carry out different operation and get final product.

Referring to Figure 13, the third network device for switching structure chart that provides for present embodiment; Comprise:

First sending module 31 is used for sending network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

Search module 32, be used for when the first communication module that receives second equipment return accept the response of network handoff request the time, search for the current first group of candidate network that adds;

Second sending module 33; Be used for when searching first group of candidate network that can add; The network identity of first group of candidate network is sent to the first communication module of second equipment, so that the second communication mould corresponding with the second communication type identification confirmed to go up and the also adding of corresponding second network of second communication type identification on second equipment from first group of candidate network;

Receiver module 34, second network of network that is used to the first communication module transmission of second equipment that receives identifies;

Add module 35, be used to add second network.

Referring to Figure 14, the third network device for switching that present embodiment provides; Also comprise:

Set up module 36, during the response of adding second network failure that is used for sending, set up the network corresponding with the second communication type identification when the first communication module that receives second equipment, with the network of foundation as the also adding of second network.

Referring to Figure 15, the 4th kind of network device for switching structure chart that provides for present embodiment; Comprise:

First receiver module 41 is used to the network handoff request information that the first communication module of first equipment that receives sends, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

First sending module 42 is used for returning the response of accepting the network handoff request to the first communication module of first equipment;

Second receiver module 43 is used to first group of candidate network that the first communication module of first equipment that receives sends;

Add module 44, be used for confirming second network corresponding and adding with the second communication type identification from first group of candidate network;

Second sending module 45 is used for the first communication module of first equipment that second network of network sign is sent to, so that the second communication module corresponding with the second communication type identification adds second network on first equipment.

Referring to Figure 16, the 4th kind of network device for switching that present embodiment provides; Also comprise:

Search module 46 is used to search for the current second group of candidate network that adds;

First judge module 47 is used for when searching second group of candidate network that can add, judging in second group of candidate network and first group of candidate network whether have common network;

Further, above-mentioned adding module 44 specifically is used for when there are a common network in second group of candidate network and first group of candidate network, common network being added as corresponding second network with the second communication type identification;

Above-mentioned adding module 44 also specifically is used for when second group of candidate network and first group of candidate network existence at least two each and every one common network, any network in the common network being added as corresponding second network with the second communication type identification.

Referring to Figure 17, when second communication module is the PLC module, the 4th kind of network device for switching that present embodiment provides; Also comprise:

Second judge module 48 is used for judging whether first group of candidate network exists the network identity that prestores;

Further, when above-mentioned search module 46 specifically is used for first group of candidate network and has the network identity that prestores, search for the current second group of candidate network that adds.

Referring to Figure 18, the 4th kind of network device for switching that present embodiment provides; Also comprise:

The 3rd sending module 49 is used for not searching second group of candidate network that can add, and sends the response of adding second network failure to the first communication module of first equipment;

Perhaps, above-mentioned the 3rd sending module 49 is used for when there are not common network in second group of candidate network and first group of candidate network, sends the response that adds second network failure to the first communication module of first equipment;

Perhaps, above-mentioned the 3rd sending module 49 is used for when there is not the network identity that prestores in first group of candidate network, and sends the response of adding second network failure to the first communication module of first equipment.

Referring to Figure 19; A kind of network switched system structure chart that provides for present embodiment; Comprise: above-mentioned first equipment 500; Above-mentioned second equipment 600, above-mentioned first equipment 500 comprise first communication module 501 and second communication module 502, and above-mentioned second equipment 600 comprises first communication module 601 and second communication module 602; Wherein:

Above-mentioned first equipment 500 is used for: the first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; When the first communication module that receives second equipment return accept the response of network handoff request the time, the current candidate network that adds of the second communication module corresponding search on first equipment with the second communication type identification; When searching the candidate network that can add, the second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on first equipment from candidate network; The first communication module of first equipment sends to the first communication module of second equipment with second network of network sign, so that the second communication module corresponding with the second communication type identification adds second network on second equipment;

Above-mentioned second equipment 600 is used for: the first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; The first communication module of second equipment returns the response of accepting the network handoff request to the first communication module of first equipment; The first communication module of second equipment receives the second network of network sign corresponding with the second communication type identification of the first communication module transmission of first equipment; Second communication module corresponding with the second communication type identification on second equipment adds second network.

In the network switched system that present embodiment provides; Above-mentioned first equipment 500 also is used for: the first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; When the first communication module that receives second equipment return accept the response of network handoff request the time, the current first group of candidate network that adds of the second communication module corresponding search on first equipment with the second communication type identification; When searching first group of candidate network that can add; The first communication module of first equipment sends to the first communication module of second equipment with the network identity of first group of candidate network, so that the second communication mould corresponding with the second communication type identification confirmed the second network also adding corresponding with the second communication type identification on second equipment from first group of candidate network; The first communication module of first equipment receives second network of network sign of the first communication module transmission of second equipment; Second communication module corresponding with the second communication type identification on first equipment adds second network;

Correspondingly; Above-mentioned second equipment 600 also is used for: the first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; The first communication module of second equipment returns the response of accepting the network handoff request to the first communication module of first equipment; The first communication module of second equipment receives first group of candidate network of the first communication module transmission of first equipment; The second communication module corresponding with the second communication type identification confirmed second network and the adding corresponding with the second communication type identification on second equipment from first group of candidate network; The first communication module of second equipment sends to the first communication module of first equipment with second network of network sign, so that the second communication module corresponding with the second communication type identification adds second network on first equipment.

Present embodiment provides network device for switching and system; Through this Apparatus and system; In the time need carrying out the network switching between first equipment and second equipment; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and after the response of accepting the network handoff request that the first communication module that receives second equipment returns, the second communication module of first equipment is confirmed second network and added; And second network of network sign being sent to the first communication module of second equipment by the first communication module of first equipment, the second communication module of second equipment adds second network.

Perhaps; The first communication module of first equipment sends network handoff request information to the first communication module of second equipment; And after the response of accepting the network handoff request that the first communication module that receives second equipment returns; The network identity of first group of candidate network that the first communication module of first equipment can add sends to second equipment; The second communication module of second equipment confirms second network and adds from first group of candidate network, by the first communication mould of second equipment second network of network sign is sent to the first communication module of first equipment again, and the second communication module of first equipment adds second network.

The all or part of step that one of ordinary skill in the art will appreciate that realization the foregoing description can be accomplished through hardware; Also can instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; Various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD for example.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. the method that network switches is characterized in that, comprising:

The first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

When the first communication module that receives said second equipment return accept the response of network handoff request the time, the current candidate network that adds of the second communication module corresponding search on said first equipment with said second communication type identification;

When searching the candidate network that can add, the second communication module corresponding with said second communication type identification confirmed second network and the adding corresponding with said second communication type identification on said first equipment from said candidate network;

The first communication module of said first equipment sends to the first communication module of said second equipment with said second network of network sign, so that add said second network with the corresponding second communication module of said second communication type identification on said second equipment.

2. method according to claim 1; It is characterized in that; The second communication module corresponding with said second communication type identification confirmed second network and the adding corresponding with said second communication type identification on said first equipment from said candidate network, specifically comprises;

When only comprising a network in the said candidate network, on said first equipment second communication module corresponding with said second communication type identification with said candidate network as with corresponding second network of said second communication type identification and add;

Perhaps,

When comprising at least two networks in the said candidate network, on said first equipment second communication module corresponding with said second communication type identification with any network in the said candidate network as with corresponding second network of said second communication type identification and add.

3. method according to claim 1 is characterized in that, also comprises:

During the response of said second network failure of adding that sends when the first communication module that receives said second equipment; The second communication module corresponding with said second communication type identification set up and the corresponding network of said second communication type identification on said first equipment, with the network of said foundation as the also adding of said second network;

Perhaps,

When not searching the candidate network that can add, said first equipment second communication module corresponding with said second communication type identification set up and the corresponding network of said second communication type identification, with the network of said foundation as the also adding of second network.

4. the method that network switches is characterized in that, comprising:

The first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

The first communication module of said second equipment returns the response of accepting the network handoff request to the first communication module of said first equipment;

The first communication module of said second equipment receives the second network of network sign corresponding with said second communication type identification of the first communication module transmission of said first equipment;

Add said second network with the corresponding second communication module of said second communication type identification on said second equipment.

5. method according to claim 4 is characterized in that, on said second equipment with before the corresponding second communication module of said second communication type identification adds said second network, also comprise:

Second communication module corresponding with said second communication type identification on said second equipment is searched for the current candidate network that adds;

When searching the candidate network that can add, judge whether there is said second network of network sign in the network identity of candidate network with the corresponding second communication module of said second communication type identification on said second equipment;

Add said second network with the corresponding second communication module of said second communication type identification on said second equipment, specifically comprise:

When existing said second network of network to identify in the network identity of candidate network, add said second network with the corresponding second communication module of said second communication type identification on said second equipment.

6. method according to claim 5 is characterized in that, when said second communication module is the PLC module, before the candidate network that second communication module search corresponding with said second communication type identification on said second equipment can add, also comprises:

The first communication module of said second equipment judges whether said second network of network sign is identical with the network identity that prestores;

Second communication module corresponding with said second communication type identification on said second equipment is searched for the current candidate network that adds, and specifically comprises:

When said second network of network sign was identical with the network identity that prestores, second communication module corresponding with said second communication type identification on said second equipment was searched for the current candidate network that adds.

7. method according to claim 6 is characterized in that, also comprises:

When not searching the candidate network that can add, the first communication module of said second equipment sends the response that adds said second network failure to the first communication module of said first equipment;

Perhaps,

When not existing said second network of network to identify in the network identity of candidate network, the first communication module of said second equipment sends the response that adds said second network failure to the first communication module of said first equipment;

Perhaps,

When said second network of network sign was inequality with the network identity that prestores, the first communication module of said second equipment sent the response that adds said second network failure to the first communication module of said first equipment.

8. the method that network switches is characterized in that, comprising:

When the first communication module that receives said second equipment return accept the response of network handoff request the time, the current first group of candidate network that adds of the second communication module corresponding search on said first equipment with said second communication type identification;

When searching first group of candidate network that can add; The first communication module of said first equipment sends to the first communication module of said second equipment with the network identity of said first group of candidate network, so that the second communication mould corresponding with said second communication type identification confirmed the second network also adding corresponding with said second communication type identification on said second equipment from said first group of candidate network;

The first communication module of said first equipment receives second network of network sign of the first communication module transmission of said second equipment;

Add said second network with the corresponding second communication module of said second communication type identification on said first equipment.

9. method according to claim 8 is characterized in that, also comprises:

During the response of said second network failure of adding that sends when the first communication module that receives said second equipment; The second communication module corresponding with said second communication type identification set up and the corresponding network of said second communication type identification on said first equipment, with the network of said foundation as the also adding of said second network.

10. the method that network switches is characterized in that, comprising:

The first communication module of said second equipment receives said first group of candidate network of the first communication module transmission of first equipment;

The second communication module corresponding with said second communication type identification confirmed second network and the adding corresponding with said second communication type identification on said second equipment from said first group of candidate network;

The first communication module of said second equipment sends to the first communication module of said first equipment with said second network of network sign, so that add said second network with the corresponding second communication module of said second communication type identification on said first equipment.

11. method according to claim 10 is characterized in that, the second communication module of said second equipment is confirmed second network and added from said first group of candidate network before, also comprises:

Second communication module corresponding with said second communication type identification on said second equipment is searched for the current second group of candidate network that adds;

When searching second group of candidate network that can add, judge in said second group of candidate network and the said first group of candidate network whether have common network with the corresponding second communication module of said second communication type identification on said second equipment;

Second communication module corresponding with said second communication type identification on said second equipment is confirmed second network and adding from said first group of candidate network, specifically comprise:

When having a common network in said second group of candidate network and the said first group of candidate network, on said second equipment second communication module corresponding with said second communication type identification with said common network as with corresponding said second network adding of said second communication type identification;

When having at least two common networks in said second group of candidate network and the said first group of candidate network, on said second equipment second communication module corresponding with said second communication type identification with any network in the said common network as with corresponding said second network adding of said second communication type identification.

12. method according to claim 11; It is characterized in that; When said second communication module is the PLC module, before the current second group of candidate network that adds of second communication module search corresponding on said second equipment, also comprise with said second communication type identification:

The first communication module of said second equipment judges in said first group of candidate network whether have the network identity that prestores;

Second communication module corresponding with said second communication type identification on said second equipment is searched for the current second group of candidate network that adds, and specifically comprises:

When having the network identity that prestores in said first group of candidate network, second communication module corresponding with said second communication type identification on said second equipment is searched for the current second group of candidate network that adds.

13. method according to claim 12 is characterized in that, also comprises:

When not searching second group of candidate network that can add, the first communication module of said second equipment sends the response that adds said second network failure to the first communication module of said first equipment;

Perhaps,

When not having common network in said second group of candidate network and the said first group of candidate network, the first communication module of said second equipment sends the response that adds said second network failure to the first communication module of said first equipment;

Perhaps,

When not having the network identity that prestores in said first group of candidate network, the first communication module of said second equipment sends the response that adds said second network failure to the first communication module of said first equipment.

14. a network device for switching is characterized in that, comprising:

First sending module is used for sending network handoff request information to the first communication module of second equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

Search module, be used for when the first communication module that receives said second equipment return accept the response of network handoff request the time, search for the current candidate network that adds;

Add module, be used for when said search module searches the candidate network that can add, from said candidate network, confirm second network corresponding and adding with said second communication type identification;

Second sending module is used for said second network of network sign is sent to the first communication module of said second equipment, so that add said second network with the corresponding second communication module of said second communication type identification on said second equipment.

15. device according to claim 14 is characterized in that,

Said adding module specifically is used for when said candidate network only comprises a network, and said candidate network is also added as said second network corresponding with said second communication type identification;

Perhaps,

Said adding module specifically is used at least when said candidate network comprises two networks, and any network in the said candidate network is also added as the second corresponding network of said and said second communication type identification.

16. device according to claim 14 is characterized in that, also comprises:

Set up module, during the response of said second network failure of adding that is used for sending, set up and the corresponding network of said second communication type identification when the first communication module that receives said second equipment, with the network of said foundation as the also adding of said second network;

Perhaps,

The said module of setting up is used for when said search module does not search the candidate network that can add, set up and the corresponding network of said second communication type identification, with the network of said foundation as the also adding of second network.

17. a network device for switching is characterized in that, comprising:

First receiver module is used to the network handoff request information that the first communication module of first equipment that receives sends, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment;

First sending module is used for returning the response of accepting the network handoff request to the first communication module of said first equipment;

Second receiver module is used to receive second network of network corresponding with said second communication type identification that the first communication module of said first equipment sends and identifies;

Add module, be used to add said second network.

18. device according to claim 17 is characterized in that, also comprises:

Search module is used to search for the current candidate network that adds;

First judge module is used for when searching the candidate network that can add, and judges whether there is said second network of network sign in the network identity of candidate network;

Said adding module specifically is used for when the network identity of candidate network exists said second network of network to identify, adding said second network with the corresponding second communication module of said second communication type identification on said second equipment.

19. device according to claim 18 is characterized in that, also comprises:

Second judge module is used to judge whether said second network of network sign is identical with the network identity that prestores;

Said search module specifically is used for when said second network of network sign is identical with the network identity that prestores, searching for the current candidate network that adds.

20. device according to claim 19 is characterized in that, also comprises:

Second sending module is used for when not searching the candidate network that can add, and sends the response of said second network failure of adding to the first communication module of said first equipment;

Perhaps,

Said second sending module is used for when the network identity of candidate network does not exist said second network of network to identify the response of sending said second network failure of adding to the first communication module of said first equipment;

Perhaps,

Said second sending module is used for when said second network of network sign is identical with the network identity that prestores the response of sending said second network failure of adding to the first communication module of said first equipment.

21. a network device for switching is characterized in that, comprising:

Search module, be used for when the first communication module that receives said second equipment return accept the response of network handoff request the time, search for the current first group of candidate network that adds;

Second sending module; Be used for when searching first group of candidate network that can add; The network identity of said first group of candidate network is sent to the first communication module of said second equipment, so that the second communication mould corresponding with said second communication type identification confirmed to go up and the also adding of corresponding second network of said second communication type identification on said second equipment from said first group of candidate network;

Receiver module is used to receive second network of network sign that the first communication module of said second equipment sends;

Add module, be used to add said second network.

22. device according to claim 21 is characterized in that, also comprises:

Set up module, during the response of said second network failure of adding that is used for sending, set up and the corresponding network of said second communication type identification when the first communication module that receives said second equipment, with the network of said foundation as the also adding of said second network.

23. a network device for switching is characterized in that, comprising:

Second receiver module is used to said first group of candidate network that the first communication module of first equipment that receives sends;

Add module, be used for confirming second network corresponding and adding with said second communication type identification from said first group of candidate network;

Second sending module is used for said second network of network sign is sent to the first communication module of said first equipment, so that add said second network with the corresponding second communication module of said second communication type identification on said first equipment.

24. device according to claim 23 is characterized in that, also comprises:

Search module is used to search for the current second group of candidate network that adds;

First judge module is used for when searching second group of candidate network that can add, and judges in said second group of candidate network and the said first group of candidate network whether have common network;

Said adding module specifically is used for when there are a common network in said second group of candidate network and said first group of candidate network, with said common network as corresponding said second network adding with said second communication type identification;

Said adding module also specifically is used at least when there are two each and every one common networks in said second group of candidate network and said first group of candidate network, with any network in the said common network as corresponding said second network adding with said second communication type identification.

25. device according to claim 24 is characterized in that, when said second communication module is the PLC module, also comprises:

Second judge module is used for judging whether said first group of candidate network exists the network identity that prestores;

Said search module specifically is used for when there is the network identity that prestores in said first group of candidate network, searching for the current second group of candidate network that adds.

26. device according to claim 25 is characterized in that, also comprises:

The 3rd sending module is used for not searching second group of candidate network that can add, and sends the response of said second network failure of adding to the first communication module of said first equipment;

Perhaps,

Said the 3rd sending module is used for when there are not common network in said second group of candidate network and said first group of candidate network, sends the response that adds said second network failure to the first communication module of said first equipment;

Perhaps,

Said the 3rd sending module is used for when there is not the network identity that prestores in said first group of candidate network, and sends the response of said second network failure of adding to the first communication module of said first equipment.

27. a network switched system is characterized in that, said system comprises: first equipment, and second equipment, said first equipment comprises first communication module and second communication module, and said second equipment comprises first communication module and second communication module; Wherein:

Said first equipment is used for: the first communication module of said first equipment sends network handoff request information to the first communication module of second equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; When the first communication module that receives said second equipment return accept the response of network handoff request the time, the current candidate network that adds of the second communication module corresponding search on said first equipment with said second communication type identification; When searching the candidate network that can add, the second communication module corresponding with said second communication type identification confirmed second network and the adding corresponding with said second communication type identification on said first equipment from said candidate network; The first communication module of said first equipment sends to the first communication module of said second equipment with said second network of network sign, so that add said second network with the corresponding second communication module of said second communication type identification on said second equipment;

Said second equipment is used for: the first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; The first communication module of said second equipment returns the response of accepting the network handoff request to the first communication module of said first equipment; The first communication module of said second equipment receives the second network of network sign corresponding with said second communication type identification of the first communication module transmission of said first equipment; Add said second network with the corresponding second communication module of said second communication type identification on said second equipment.

28. a network switched system is characterized in that, said system comprises: first equipment, and second equipment, said first equipment comprises first communication module and second communication module, and said second equipment comprises first communication module and second communication module; Wherein:

Said first equipment is used for: the first communication module of first equipment sends network handoff request information to the first communication module of second equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; When the first communication module that receives said second equipment return accept the response of network handoff request the time, the current first group of candidate network that adds of the second communication module corresponding search on said first equipment with said second communication type identification; When searching first group of candidate network that can add; The first communication module of said first equipment sends to the first communication module of said second equipment with the network identity of said first group of candidate network, so that the second communication mould corresponding with said second communication type identification confirmed the second network also adding corresponding with said second communication type identification on said second equipment from said first group of candidate network; The first communication module of said first equipment receives second network of network sign of the first communication module transmission of said second equipment; Add said second network with the corresponding second communication module of said second communication type identification on said first equipment;

Said second equipment is used for: the first communication module of second equipment receives the network handoff request information of the first communication module transmission of first equipment, and said network handoff request information comprises the MAC Address of the second communication module of the second communication type identification and first equipment; The first communication module of said second equipment returns the response of accepting the network handoff request to the first communication module of said first equipment; The first communication module of said second equipment receives said first group of candidate network of the first communication module transmission of first equipment; The second communication module corresponding with said second communication type identification confirmed second network and the adding corresponding with said second communication type identification on said second equipment from said first group of candidate network; The first communication module of said second equipment sends to the first communication module of said first equipment with said second network of network sign, so that add said second network with the corresponding second communication module of said second communication type identification on said first equipment.