CN101729451B

CN101729451B - Method for building intercommunicated among heterogeneous network equipment

Info

Publication number: CN101729451B
Application number: CN2008102167600A
Authority: CN
Inventors: 孙翀; 黎建中
Original assignee: TCL Corp
Current assignee: TCL Corp
Priority date: 2008-10-24
Filing date: 2008-10-24
Publication date: 2012-07-25
Anticipated expiration: 2028-10-24
Also published as: CN101729451A

Abstract

The invention belongs to the network filed and provides a method for building intercommunicated among heterogeneous network equipment. The invention adopts the technical scheme that new equipment online notification message type is added to the application scene that the inter-physical network intercommunication is needed, and when is on line, the equipment can notify the network interface type supported per se. Using the inter-physical network equipment as a mediation device, the equipment in a plurality of totally different physical networks can find one another and communicate with each other, thereby meeting and enlarging the requirements of heterogeneous network intercommunication.

Description

A kind of method of setting up intercommunicated among heterogeneous network equipment

Technical field

The invention belongs to network technology, relate in particular to a kind of method of attachment of the network equipment.

Background technology

Along with the development of digital home and Smart Home, people are increasingly high to requiring of using of digital home network technologies, and hope can realize reaching through different terminal the purpose of control home equipment through the internet; The home equipment controller also can send the situation of home equipment to senior terminal that people use always through the internet simultaneously, and like mobile phone, PC etc., this just requires can set up between the home equipment network system that interconnects; New equipment joins in the home network, can be by other recognition of devices in network, and it also can find miscellaneous equipment simultaneously; And co-ordination each other, there has not been any problem in this communication between simple physical network, and each equipment is easy to establish a connection each other; And a problem that exists at present is: the digital home towards 3C is a dynamic environment; Generally, the physics access medium of the network of different equipment is widely different, for example for STB; Generally be that Ethernet inserts; For mobile phone, normally bluetooth or WI-FI insert, and will set up mutual connection between the equipment of heterogeneous networks access style and still have certain difficulty.

Based on this; Existing is to connect and the transmission data through gateway device based on the means of communication between the digital family equipment of heterogeneous network agreement; And gateway device has and is used to analyze packet and the format conversion of packet is become to meet the form of another protocol interface, just sets up the annexation between heterogeneous network agreement digital family equipment by this intermediate equipment of gateway.And be that gateway device possesses heterogeneous network equipment physics access medium through the prerequisite that gateway device is set up annexation between the heterogeneous network equipment; And has the respective protocol conversion layer; Can resolve source data; And can convert destination data packet format ability to, this requires gateway device will know the type of heterogeneous network equipment access medium in advance and possesses corresponding translation-protocol.And the physics access medium difference of network access equipment has uncertainty, sets up the network connection through gateway device and has inborn limitation.

In present IGRS or UPNP agreement; For the equipment in the network of this different physical medium, can't accomplish to interconnect, for example; The mobile phone of a WIFI is the STB interconnection that can't insert with Ethernet, because both just do not have the physical basis that can interconnect at all.If equipment has a computer that possesses Ethernet and wireless access simultaneously, might realize the interconnection and interflow between the two through the switching of computer so fully, thereby enlarge the application scenarios that equipment merges.

Summary of the invention

The technical problem that the present invention will solve is to provide a kind of method of setting up intercommunicated among heterogeneous network equipment, makes the equipment that is in several diverse physics networkings, can find each other, interconnects.

The technical problem that the present invention will solve is achieved in that provides a kind of method of setting up intercommunicated among heterogeneous network equipment, may further comprise the steps: the equipment declaration of reaching the standard grade, circulate a notice of the type of network interface that it is supported; The type of network interface that declaration is supported according to equipment is chosen the equipment of striding physical network and is denoted as mediation device; Each equipment is inquired about the information on other network through mediation device, and sets up the network connection through mediation device.Said mediation device comprises by a plurality of equipment of striding physical network and forming, and strides physical network device to stride physical network device with another be intermediary for one.

Compare existing foundation and connect existing deficiency between the heterogeneous network equipment through gateway device; The present invention has increased new equipment on-line declaration message type through the application scenarios of needs being striden physical network and interconnecting; New across a network equipment is through search request message; Across a network is transmitted message, through increasing these new type of messages, enlarges and satisfies the demand that heterogeneous network interconnects.

Description of drawings

Fig. 1 is the catenation principle figure of first execution mode of heterogeneous network of the present invention system.

Fig. 2 is the catenation principle figure of second execution mode of heterogeneous network of the present invention system.

Embodiment

In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

The method that interconnects at the network equipment that the objective of the invention is to propose a kind of novel different physical mediums of realization; By this method; Even be in the equipment in several diverse physics networkings, as long as exist the equipment that can stride the physics networking as intermediary, the equipment in the different physics networkings still can be found each other; Interconnect, concrete operation principle is following:

See also the catenation principle figure of first execution mode of heterogeneous network of the present invention shown in Figure 1 system, two different physical networks of current existence, one is wired ethernet network 20; One is WIFI network 40, in Ethernet 20, has equipment 22 and equipment 24, can carry out intercommunication according to existing technology each other; There are equipment 42 and equipment 44 in the WIFI network 40, equally each other can intercommunication, equipment 30 is an equipment of access network based on ethernet network 20 and WIFI network 40 simultaneously; Obviously, equipment 30 can be discerned in network 20 with

equipment

22,24 each other; Equipment 30 also can be discerned in network 40 with

equipment

42,44 each other, but equipment 22; 24 can't interconnect with

equipment

42,44.

In order to realize interconnecting between each equipment in the network; After requiring new equipment to reach the standard grade in the technical scheme that in invention, provides; Send an on-line declaration message, in this message, need to increase a new field; To indicate the type of network interface that it is supported, so that can set up the network interface channel easily between the equipment.In this example, equipment 30 online announcement messages just it may be noted that this equipment has Ethernet and two kinds of interfaces of wireless network simultaneously, and 22,24,42,44 of equipment show that oneself only has a kind of network interface.

After

equipment

22,24 or 42,44 is received the announcement message of equipment 30, just recognize that equipment 30 is the special physical network devices of striding, and can find the equipment on other physical networks through equipment 30.Equipment 30 can be received the online declaration from

equipment

22,24,42,44, thereby in the database of equipment 30, has the most comprehensively device network access information.

Equipment

22,24 or 42,44 sends the message of special other physical network devices of search when needed to equipment 30; After equipment 30 is received this message, carry out message response, to

equipment

22,24 Returning equipments 42; 44 information is for the information of 42,44 Returning

equipments

22,24 of equipment.

When

equipment

22,24 need interconnect with

equipment

42,44, equipment 22; 24 recognize the equipment of can't contacting directly 42,44, and

equipment

22,24 needs to send a special forwards request to equipment 30 at this moment; After equipment 30 is received, recognize that this message is not directly to be processed, but need be forwarded to through the another one physical network interface of equipment 30 in the network 40; In network 40, handle after receiving message by

equipment

42,44 with forwards for equipment 30; When response,

equipment

42,44 recognizes that also this message is from the another one physical network; So the response message of

equipment

42,44 also is a special forwarding type of message, equipment 30 is again with in this forwards to the network 20.

Technical scheme provided by the invention is through the type of declaration network insertion when the equipment access network; From network, choose the mediation device of across a network again according to the network insertion type of heterogeneous network equipment in good time; Set up the interface channel of heterogeneous network; Improve the network connection basis, enlarged the application prospect that equipment merges.

The mediation device of striding heterogeneous network in the technical scheme provided by the invention is not limited to single equipment physically; Anyly also can become mediation device by the network of setting up between a plurality of equipment; As shown in Figure 2; The catenation principle figure of second execution mode of heterogeneous network of the present invention system; In this network, be in network system that the network equipment in the

heterogeneous network

20,40 forms through

equipment

32 and 34 as mediation device, set up

heterogeneous network equipment

22,24 and 42, connect between 44.

In this execution mode; When reaching the standard grade, declares

equipment

32 and 34 self to support the interface type of two kinds of networks; Miscellaneous equipment recognizes that

equipment

32 and 34 is the special physical network devices of striding in the network; To after

equipment

32 and 34 is received this message, carry out message response respectively through the message of

equipment

32 and 34 other physical network devices of inquiry with the equipment that equipment 32 is connected with 34.

Crucial part of the present invention has been to expand the type of message in the existing IGRS standard; Stride the application scenarios that physical network interconnects to this needs and increased new equipment on-line declaration message type; New across a network equipment is through search request message; Across a network is transmitted message, through increasing these new type of messages, enlarges and satisfies the demand that heterogeneous network interconnects.

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

Claims

1. method of setting up intercommunicated among heterogeneous network equipment is characterized in that may further comprise the steps:

The type of network interface that it is supported is circulated a notice of in the new equipment declaration of reaching the standard grade, and said equipment comprises the equipment of striding physical network;

The type of network interface that declaration is supported according to equipment is chosen the equipment of striding physical network and is denoted as mediation device;

Each equipment is inquired about the information on other network through mediation device, and sets up the network connection through mediation device, and said mediation device comprises a plurality of equipment of striding physical network.