CN101997722B - Three-network convergence-oriented digital home network service management system and method - Google Patents
Three-network convergence-oriented digital home network service management system and method Download PDFInfo
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Abstract
The invention discloses a three-network convergence-oriented digital home network service management system and a three-network convergence-oriented digital home network service management method, which are used for providing undifferentiated service for a user screen. The management system consists of a safety management subsystem, a control subsystem, a service management subsystem, an external network access subsystem and an application domain network access subsystem; the system uniformly manages various applications provided by a digital home in a service mode and provides basic service management functions such as service query, order, use and the like for a user, so that the expandability, the configurability, the operability and the manageability of digital home network service are enhanced; meanwhile, the system is expanded and improved on the basis that the conventional service management system only supports the Internet service so as to support three heterogeneous networks, namely a computer network, a telecommunication network and a broadcast television network, and effectively overcome the defect that the services of the heterogeneous networks are difficult to converge; and a home gateway provides a uniform service interface for the user, so that the difference of underlying communication technology among different networks is shielded; therefore, the process of using the service by the user is clearer and simpler.
Description
Technical field
The present invention relates to communication technical field, management system especially a kind of digital home network service management system and method towards the integration of three networks.The so-called integration of three networks refers to the interpenetrating of broadcasting and television network, telecommunications network and the Internet, compatible, and progressively is integrated into unified communication network.
Background technology
21 century is the epoch of informationization, networking and kownledge economy, and along with being the information technology of core, particularly digital technology, multimedia technology and rapid development of network technology and popularization and application with the computer technology, networking is expanded to the non-computer field.The further fusion of communication, computer and household electrical appliances industry makes digitlization, intellectuality and networked information household appliances be able to fast development.The develop rapidly of digital technology is goed deep in our life digital products such as PC, PDA, mobile phone, DTV, DVD, MP3, DV/DC.Meanwhile, the universal life of also having enriched us greatly of the Internet and mobile communication.The digital home network demand of broadband access of structure on this basis,, interconnected, content sharing also highlights day by day.People have proposed much such as Smart Home (Smart Home), electronic family (Electronic Home; E-Home), the home network notion of digital home (Digital Family), network home (Network Home), intelligent family (Intelligent Home), be used to describe the content that digital home network comprises.
Digital home network is meant through home gateway public network functions and application extended to family, but and be that various wired and wireless transmission environment are constructed in the basis with the home intelligent wiring system of flexible configuration, connect various information terminals in the family.Through family is introduced in various services, can voice, video, data, multimedia, control and management function be provided to the domestic consumer, to reach the information abundant circulation between portion terminal and outside public network and the household internal terminal and shared within the family.
Along with the continuous development of digital technology, in the digital home network various services also increasing, like family's security protection, family's control, home entertaining etc.In addition, the digital home that develops into of the integration of three networks provides more diversified service and more superior resource platform, comprising transfer resource, content resource, information resources etc.The integration of three networks refers to the interpenetrating of broadcasting and television network, telecommunications network and the Internet, compatible; And progressively be integrated into unified communication network; Target is that low-level repeated construction is shared, avoided to the realization Internet resources, the high speed bandwidth multimedia basics platform that form wide adaptability, safeguard easily, expense is low.Telecommunications network, cable television network, the Internet are as the development of three big present information transmission meanss through the several years; On three information platforms, set up the huge separately network system respectively; " integration of three networks " is exactly will miscellaneous services such as sound, image, video, data be become digital signal to process, store; And, make the boundary of cutting apart three big markets and industry with three major businesses progressively thicken in unified transmission over networks.It does not also mean that the physics unification of three macroreticulars, and mainly is meant the fusion that high-level business is used, and is embodied in technical trend unanimity; Can realize on the network layer interconnecting; Form seamless covering, interpenetrate on the operation layer and intersect, trend is used unified IP agreement on the application layer.The integration of three networks comprises drive the development of the whole piece industrial chain of content supplier, service provider, operator and optical-fibre communications equipment manufacturers.Through the integration of three networks, will bring abundant more value-added service type to digital home network, like teletext, VOIP, video-mail and online game etc., widen the professional scope that is provided of digital home.
Along with propelling based on integration of three networks network; Digital home network diversity communication mode, network type isomerization, Network kind and quantity are abundanter; Make digital home network have higher requirement, but still exist following problem for the management of service:
(1) present digital home network is still set up unified service management system to digital home network for the obtaining and use and all be based on concrete application of service.Like this, when new application or service join in the family, need carry out complex configurations, define service interface again, and be configured between itself and the home gateway to digital household appliances.
(2) service that external network provides in the present international and domestic digital home network standard mainly is based on Internet's; Because the development of the Chinese integration of three networks; Telecommunications network and broadcasting and television network also provide more and more abundanter service; Need provide service to set up management system to family to outside three nets, what help serving obtains, uses and develop, designs.Through setting up the digital home network service management system, provide relevant interface definition, and the design external service provides flow process, make registration, order, the use of service become clear, simple.
Summary of the invention
The objective of the invention is: design surface is to the digital home network service management system of the integration of three networks; The existing digital home network of solution provides the shortcoming that configuration is complicated, flow process is unintelligible, expansion is difficult based on the service of concrete application; Shield bottom service details difference to the user, indiscriminate service is provided.To the main trend of the current integration of three networks, provide under the diversified background of service at various types of networks, what the service management system that is designed helped serving obtains, uses and develop, make service registration, order, use becomes clear and simple.The present invention has further designed digital home's service method for using, is used for the various services that user security visit digital home network provides.
Realize that technical scheme of the present invention is the digital home network service management system towards the integration of three networks of design, comprises security management subsystem, RACS, business management subsystem, external network access subsystem and application domain network insertion subsystem; RACS in the digital home network service management system is the core of service management system; Link to each other with heterogeneous network access subsystem, security management subsystem, business management subsystem, application domain network insertion subsystem respectively; After RACS is resolved the user instruction message in the digital home network, judges the operation that will carry out, for the operation of other modules of RACS provides the execution foundation; According to the message content that parses; Under the effect of control strategy, other subsystems that scheduling is attached thereto are accomplished the content that this instruction comprises.All the other four sub-systems are carried out interacting message through RACS respectively, do not have directly mutual each other.
Said security management subsystem comprises subscriber information management module, key and certificate management module, user and device authentication module, system safety module, access control module, is used for to digital home services safety protecting mechanism being provided;
Said RACS comprises command analysis module, instruction Executive Module, security dispatching module, service dispatch module, control strategy module, control interface module; Be responsible for the service order of digital home network is resolved, and service procedure is controlled;
Said business management subsystem comprises service registry module, service lookup module, service configuration module, service ordering module, service interface module; Realize respectively service registration, search, dispose, order process; Be responsible for centralized management is unified in all services of family, unified service interface be provided to the domestic consumer;
Said external network access subsystem comprises CHINA RFTCOM Co Ltd interface module, computer network interface module, telecommunications network interface module and network middleware module, is responsible for the cut-in operation of outside heterogeneous network;
Said application domain network insertion subsystem is made up of each application domain administrative center; Comprise each application domain administrative center; Application domain administrative center is made up of service registry module, service providing module, procotol modular converter, access control module, device authentication module; Be used to guarantee interconnecting of the interior equipment of application domain, the message of using different network protocol is carried out protocol conversion, and service registry is provided and uses interface to digital family equipment and user; The authentication function of equipment in access control mechanisms and the application domain is provided simultaneously, is responsible for realizing the cut-in operation of home network.Class of business to existing in the digital home is various, the managerial structure complicated situation; Business demand according to digital home; Home network is divided into different application domains, and described application domain administrative center entity is that the terminal equipment in the same application domain and the business service that provided thereof are managed the functional entity with the conversion of different application inter-domain protocol.
The present invention has designed the digital home network service management towards the integration of three networks, comprises service registry process and service acquisition procedure;
Said service registry process comprises the steps:
1.a. the application domain administrative center of service providing device in the application domain to its place send " service registry request information; this message need comprise device identification, service identifiers, title, content essential information, so as application domain administrative center in the later stage service of searching use;
1.b. after application domain administrative center receives this message, its service list is upgraded;
1.c. structure application domain service registry request data package, " application domain service registry request information includes application domain administrative center sign, service identifiers, service name, service content information to the home gateway transmission;
1.d. after home gateway receives this message, its service list is upgraded;
1.e. after upgrading successfully, send " service registry success " message to application domain administrative center;
1.f. application domain administrative center sends " service registry success " message to service providing device, service registry process so far finishes.
Said service acquisition procedure comprises that the domestic consumer visits and should use that service, other application domain services of the cross-domain visit of domestic consumer, domestic consumer's remote access application domain service and domestic consumer visit outside heterogeneous network service in the territory.
Described service acquisition procedure is after request message is obtained in the user of the family service of sending; At first the type of obtaining of this message is judged by service management system; If user capture should be used this type of service in the territory; Then service acquisition procedure need not be participated in by the home gateway entity, and the service that mainly by the application domain administrative center entity in the application domain network insertion subsystem user is proposed is obtained request message and responded; If other application domain services of the cross-domain visit of domestic consumer or domestic consumer's remote access application domain service or domestic consumer visit outside heterogeneous network service; Then request message analysis is obtained in service, under the support of control strategy module, call in the home gateway corresponding subsystem then and come that request message is obtained in service and respond by the command analysis module of RACS in the home gateway.
(1) domestic consumer's visit should be used service in the territory
Idiographic flow is narrated as follows:
1) user at first sends the service search request, search should with the territory all services that can provide.
2) after receiving the service search request, application domain administrative center will return its service list that provides.If unregistered any service is then returned and is searched failed message in this application domain.
3) after the user receives return-list, select own required service, and obtain request message to the service of sending of the application domain administrative center with this service.
4) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
5) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
6) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(2) other application domain services of the cross-domain visit of domestic consumer
Concrete service procedure is narrated as follows:
1) for the service of non-this territory, the user be at first to using territory administrative center, i.e. its place application domain administrative center sends and non-ly should use territory service search request.
2) should with territory administrative center receive non-should use territory service search request after, need this request is transmitted to home gateway.
3) the home gateway place is safeguarding the tabulation of all services of each application domain in the digital home network; After receiving the service search request; Home gateway will return current all service lists; In order to make user's access services exactly, should comprise sign, the IP information of service place application domain administrative center in this message.If the unregistered any service in home gateway place is then returned and is searched failed message.
4) application domain administrative center will give the user from the lookup result forwards that home gateway receives.
5) user obtains request message to the service of sending of the application domain administrative center with this service after receiving the service list that returns.
6) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
7) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
8) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(3) domestic consumer's remote access application domain service
Concrete service procedure is narrated as follows:
1) domestic consumer at first sends the service search request to home gateway.
2) after home gateway receives the service search request, return the service list that it provides, wherein also comprise sign, the IP information of service place application domain administrative center.If unregistered any service is returned and is searched failed message.
3) user obtains request message to the service of sending of the application domain administrative center with this service after receiving return results.
4) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
5) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
6) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(4) domestic consumer visits outside heterogeneous network service
Concrete service procedure is narrated as follows:
1) user of digital home sends the service search request to home gateway.
2) home gateway is handled backcasting machine Network gateway to search request and is sent the service search request.
3) home gateway sends the service search request to the Service Gateway of communication network.
4) home gateway sends the service search request to the Service Gateway of television network broadcast.
5) Service Gateway of computer network returns the service list that is provided.
6) Service Gateway of communication network returns the service list that is provided.
7) Service Gateway of television network broadcast returns the service list that is provided.
8) home gateway is integrated and is screened all services in each service list that returns, and only selects optimum for identical service.
9) service list after home gateway will be integrated returns to the user.
After obtaining service list, user's selection respective service is as required used.
Concrete service is used the flow process narration as follows:
1) domestic consumer selects own required service according to the service list that returns.
2) user sends the use request of selected service to home gateway.
3) home gateway sends corresponding services request according to institute's requested service to the Service Gateway that this service is provided.
4) Service Gateway is verified requestor's identity, judges whether the requestor has the authority of the service used, and checking is through returning the pairing service token of service, if do not pass through the return authorization failure.
5) home gateway is transmitted to the user with the authorization messages that Service Gateway returns.
6) user sends the service use request that has service token to the Internet Service Provider of appointment.
7) Internet Service Provider verifies user's service token, checking through after begin transferring service data, authentication failed is sent authorization failure message.
The digital home network service management system and the method that are designed have the following advantages:
(1) uses numerous and complicated to existing digital home network; The configuration difficulty; The shortcoming of poor expandability; Adopt " using i.e. service " thought, the application that various device provided in the digital home is carried out unified management with the form of service by business management subsystem and application domain network insertion subsystem, basic service management functions such as service-seeking, order and use are provided to the user.The Service Management pattern that is adopted strengthened the expanding of digital home network service, configurable, can operate and manageability.
(2) service management system that is designed is expanded on the basis that existing network service management system only supports Internet to serve and is improved, and makes it can support computer network, communication network and three kinds of services that heterogeneous network provided of television network broadcast.
(3) service management system that is designed can solve the deficiency that difficulty is merged in the heterogeneous network service effectively.Home gateway is integrated the service that outside isomery provides network to provide based on the thought of " service middleware "; To the user unified service interface is provided; Shield the difference of bottom communication technology between heterogeneous networks, made the user use the process of service more clear simple.
Description of drawings
The digital home network service management system figure that Fig. 1 the present invention proposes;
The digital home network service registry flow process that Fig. 2 the present invention proposes;
The digital home network domestic consumer visit that Fig. 3 the present invention proposes should be used the process of service in the territory;
The process of other application domain services of the cross-domain visit of digital home network domestic consumer that Fig. 4 the present invention proposes;
The flow process of the digital home network domestic consumer remote access application domain method of servicing that Fig. 5 the present invention proposes;
The digital home network domestic consumer that Fig. 6 the present invention proposes visits outside heterogeneous network service search flow process;
The digital home network domestic consumer that Fig. 7 the present invention proposes visits outside heterogeneous network service and uses flow process;
The service registry request message data packet format figure that the service equipment of Fig. 8 the present invention design sends;
The service registry request message data packet format figure that the application domain administrative center of Fig. 9 the present invention design sends;
The message packets format chart is replied in the service registry of Figure 10 the present invention design;
The service search request message data packet format figure of Figure 11 the present invention design;
The service search of Figure 12 the present invention design is replied the message packets format chart;
Request message data packet format figure is obtained in the service of Figure 13 the present invention design;
The service of Figure 14 the present invention design is obtained and is replied the message packets format chart;
Request message data packet format figure is obtained in the service of the band service access token of Figure 15 the present invention design;
The service response message data packet format figure of Figure 16 the present invention design.
Embodiment
The present invention has disposed towards integration of three networks digital home network service management system and method, and concrete enforcement comprises following components:
One, the design of digital home network service management system
As shown in Figure 1, the digital home network service management system is divided into security management subsystem, RACS, business management subsystem, external network access subsystem and 5 parts of application domain network insertion subsystem.
1. security management subsystem
Security management subsystem is that digital home's service provides basic safety protecting mechanism; Comprise modules such as subscriber information management, key and certificate management, user and device authentication, system safety, access control, security mechanisms such as authentification of user, device authentication, antivirus protection and service access control are provided to domestic consumer and service.
2. RACS
RACS is responsible for user's in the digital home network service order is resolved, and service procedure is controlled according to specified control strategy.It comprises modules such as instruction is resolved, instruction execution, security dispatching, service dispatch, control strategy, control interface.
(a) command analysis module
This module is responsible for the user instruction message in the digital home network is resolved, and analyzes the contents such as type and attribute of this message, judges the operation that will carry out, for the operation of other modules of RACS provides the execution foundation.
(b) instruction Executive Module
According to the message content that command analysis module parses, dispatch corresponding module in each sub-systems, accomplish the content that this instruction comprises.
(c) security dispatching module
This module is responsible for receiving the security dispatching message in the instruction Executive Module, through the corresponding module in the scheduling security management subsystem, accomplishes the safety management function that is comprised in the instruction message.
(d) service dispatch module
This module is responsible for receiving the service dispatch message in the instruction Executive Module, through the corresponding module in the dispatching services ADMINISTRATION SUBSYSTEM, accomplishes the service management function that is comprised in the instruction message.
(e) control strategy module
The control strategy of being followed during defined instruction Executive Module execution command, for example: dispatching priority, service dispatching algorithm etc.
(f) control interface module
This module other subsystems in service management system provide corresponding calling interface, are responsible for carrying out alternately with security management subsystem, business management subsystem, external network access subsystem and application domain network insertion subsystem.
3. business management subsystem
Main being responsible for managed concentratedly business related in all application domains in the digital home; A plurality of modules such as service registry, service search, service configuration, service ordering have been comprised in this system; To the domestic consumer unified service interface is provided, realize service registration, dispose, order, service management function such as inquiry.
(a) service registry module
This module is used for home services is registered, and is to realize through the login request message that receives application domain administrative center;
(b) service lookup module
This module is responsible for digital home network service is searched, and realizes the retrieval of user to required service function and performance, and can return service list, supplies its selection;
(c) service configuration module
This module is used for information such as the parameter of difference service, environment, port are configured, and ensures the true(-)running of service;
(d) service ordering module
This module realizes the subscription function of user to service, sets up and can charge after the relation of ordering and operation such as control;
(e) service interface module
This module provides unified service to use interface to the user of digital home.Through calling this interface, the registration that the user can realize serving, dispose, order, inquiry, implementation.
4. external network access subsystem
To multiple communication mode in digital home's external network and deposit, service provides diversified present situation, and design external network access subsystem realizes that the unified of outside heterogeneous network inserts.This subsystem comprises the interface module and the network middleware module of CHINA RFTCOM Co Ltd, computer network, communication network.The heterogeneous networks interface module has realized having the access of the machine-processed heterogeneous network of different communication, and can obtain the service that corresponding network provides.The network middleware module is responsible for will reintegrating outside heterogeneous network, for the user of digital home provides the uniform communication interface.This module comprises that communication is merged and two sub-module are merged in service.
(a) communication fusant module
Communication fusant module is mainly carried out protocol conversion to the outside heterogeneous network with different communication mechanism, provides service interface necessary communication interaction ability, and the true(-)running of flow process is used in the service of guarantee.
(b) three net service fusant modules
The service interface that the outside various concrete heterogeneous network of three net service fusant module package is provided is digital home's RACS calling interface of providing uniform services.
More than four sub-systems all realize in the form that home gateway is sentenced software systems.Home gateway is the core of digital home network; It is the crucial entity that the user obtains outside heterogeneous network service; Security management subsystem, business management subsystem, RACS and outside heterogeneous network access subsystem are focused on home gateway through form of software, can realize functions such as BSM, safety management, service control and network insertion respectively.
5. application domain network insertion subsystem
Application domain network insertion subsystem is made up of each application domain administrative center, is responsible for realizing the access of home network.The different application domain of described application domain administrative center's entity management; Described application domain is to various, the managerial structure complicated situation of class of business that exists in the digital home; Divide according to the business demand of digital home; Described application domain administrative center entity is that the terminal equipment in the same application domain and the business service that provided thereof are managed the functional entity with the conversion of different application inter-domain protocol; Alleviated the management of home gateway, also helped the shared and audit of resource in the same application domain concrete business.Application domain administrative center comprises modules such as service registry, service provide, procotol conversion, access control, device authentication; Major responsibility is to guarantee interconnecting of the interior equipment of application domain; Message to using different network protocol is carried out protocol conversion; And service registry is provided and uses interface to digital family equipment and user, the authentication function of the interior equipment of access control mechanisms and application domain is provided simultaneously.
Service registry module in this subsystem is used to receive the register requirement of digital home's service; Service providing module is used for the service execution process of user terminal; Access control module ensures that the validated user with certain authority could use service, and the procotol modular converter is used for different agreement message is changed, and plays the gateway effect; The device authentication module is used for the authenticity of equipment is carried out authentication, prevents the service that illegality equipment visit home network provides.
RACS in the digital home network service management system is the core of service management system; Link to each other with heterogeneous network access subsystem, security management subsystem, business management subsystem, application domain network insertion subsystem respectively; After RACS is resolved the user instruction message in the digital home network, judges the operation that will carry out, for the operation of other modules of RACS provides the execution foundation; According to the message content that parses; Under the effect of control strategy, other subsystems that scheduling is attached thereto are accomplished the content that this instruction comprises.All the other four sub-systems are carried out interacting message through RACS respectively, do not have directly mutual each other.
Two, the design of digital home network service method for using
Digital home network service method for using is used for digital home's service provides process information on services reciprocal process; It has defined service registry and service and has obtained these two kinds the flow process of serving basic operation is provided; The service registry process is primarily aimed at service providing device, and that service acquisition procedure then is directed against is the domestic consumer of the visit digital home various services in inside and outside.
The digital home network framework and the service management system of Reference Design, service registry and the flow process of obtaining are mainly concerned with application domain service providing device, application domain administrative center, three network entities of home gateway.
Described application domain service providing device refers to the digital household appliances that certain concrete service can be provided in each application domain.Described home gateway is then integrated security management subsystem in the service management system, business management subsystem, RACS and external network access subsystem has functions such as network insertion, service management, safety management, flow process control.
1. service registry
Functional requirement according to service management system; Crucial entity places such as application domain administrative center, home gateway all need safeguard corresponding service list; Be responsible for all services in the digital home are managed; And service providing device at first need be carried out relevant register flow path with home gateway to application domain administrative center before service is provided, and only after succeeding in registration, corresponding service can be provided to the user of digital home.Therefore, service registry is the first step that service provides process.Concrete service registry flow process, as shown in Figure 2.
Concrete service registry flow process is following:
1). the application domain administrative center of service providing device in the application domain to its place send " service registry request information; this message need comprise essential informations such as device identification, service identifiers, title, content, so as application domain administrative center in the later stage service of searching use.
2) after application domain administrative center receives this message, its service list is upgraded.
3) structure application domain service registry request data package, " application domain service registry request information includes information such as application domain administrative center sign, service identifiers, service name, service content to the home gateway transmission.
4) after home gateway receives this message, its service list is upgraded.
5) after upgrading successfully, send " service registry success " message to application domain administrative center.
6) application domain administrative center sends " service registry success " message to service providing device, and service registry process so far finishes.
2. service is obtained
It is a crucial step of digital home's service method for using that service is obtained, and it has comprised polytype key operations such as service-seeking, the service request of obtaining, service response.According to the difference of obtaining COS, this flow process has comprised domestic consumer visit and should use service, other application domain services of the cross-domain visit of domestic consumer, domestic consumer's remote access application domain method of servicing and domestic consumer to visit outside heterogeneous network to serve 4 kinds of different service acquisition procedures in the territory in.
The general thought that service is obtained is: the classification of at first by service management system request message being obtained in user's service is judged; If user capture should be used this type of service in the territory; Then service acquisition procedure need not be participated in by the home gateway entity, and the service-seeking that mainly by the application domain administrative center entity in the application domain network insertion subsystem user is proposed, service are obtained request message and responded.If other three types; Then by the command analysis module of RACS in the home gateway to
service obtain request message analysis, under the support of control strategy module, call in the home gateway corresponding subsystem then and come that request message is obtained in service and respond.
(1) domestic consumer's visit should be used service in the territory
Fig. 3 is the process that this territory of user capture provides service.
Idiographic flow is narrated as follows:
1) user at first sends the service search request, search should with the territory all services that can provide.
2) after receiving the service search request, application domain administrative center will return its service list that provides.If unregistered any service is then returned and is searched failed message in this application domain.
3) after the user receives return-list, select own required service, and obtain request message to the service of sending of the application domain administrative center with this service.
4) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
5) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
6) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(2) other application domain services of the cross-domain visit of domestic consumer
Divide network according to application type; Can reduce the demand of the cross-domain access services of user as far as possible; But the situation of other application domain services of the cross-domain visit of domestic consumer still exists, and for the service in non-this territory, the user need be to the network entity on upper strata---home gateway conducts interviews.
Fig. 4 is the process that the domestic consumer visits cross-domain services:
Concrete service procedure is narrated as follows:
1) for the service of non-this territory, the user be at first to using territory administrative center, i.e. its place application domain administrative center sends and non-ly should use territory service search request.
2) should with territory administrative center receive non-should use territory service search request after, need this request is transmitted to home gateway.
3) the home gateway place is safeguarding the tabulation of all services of each application domain in the digital home network; After receiving the service search request; Home gateway will return current all service lists; In order to make user's access services exactly, should comprise the information such as sign, IP of service place application domain administrative center in this message.If the unregistered any service in home gateway place is then returned and is searched failed message.
4) application domain administrative center will give the user from the lookup result forwards that home gateway receives.
5) user obtains request message to the service of sending of the application domain administrative center with this service after receiving the service list that returns.
6) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
7) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
8) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(3) domestic consumer's remote access application domain service
If the service that domestic consumer's remote access application domain provides then need be inquired about relevant service to home gateway, and call.Fig. 5 is the flow process of domestic consumer's access remote access services:
Concrete service procedure is narrated as follows:
1) domestic consumer at first sends the service search request to home gateway.
2) after home gateway receives the service search request, return the service list that it provides, wherein also comprise the information such as sign, IP of service place application domain administrative center.If unregistered any service is returned and is searched failed message.The process of service access afterwards and preceding two kinds of situation are similar.
3) user obtains request message to the service of sending of the application domain administrative center with this service after receiving return results.
4) application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it.
5) user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token.
6) service providing device is at first verified user's access token when request message is obtained in the service of receiving, and after checking is passed through, makes corresponding service response, just begins normal service data reciprocal process later on.
(4) domestic consumer visits outside heterogeneous network service
For the service that outside heterogeneous network provides, the user need inquire about and uses to the Service Gateway of external network through home gateway.
It is as shown in Figure 6 that the domestic consumer visits the detailed process of outside heterogeneous network service.
Concrete service procedure is narrated as follows:
1) user of digital home sends the service search request to home gateway.
2) home gateway is handled backcasting machine Network gateway to search request and is sent the service search request.
3) home gateway sends the service search request to the Service Gateway of communication network.
4) home gateway sends the service search request to the Service Gateway of television network broadcast.
5) Service Gateway of computer network returns the service list that is provided.
6) Service Gateway of communication network returns the service list that is provided.
7) Service Gateway of television network broadcast returns the service list that is provided.
8) home gateway is integrated and is screened all services in each service list that returns, and only selects optimum for identical service.
9) service list after home gateway will be integrated returns to the user.
After obtaining service list, user's selection respective service is as required used.Concrete use is as shown in Figure 7.
Concrete service procedure is narrated as follows:
1) domestic consumer selects own required service according to the service list that returns.
2) user sends the use request of selected service to home gateway.
3) home gateway sends corresponding services request according to institute's requested service to the Service Gateway that this service is provided.
4) Service Gateway is verified requestor's identity, judges whether the requestor has the authority of the service used, and checking is through returning the pairing service token of service, if do not pass through the return authorization failure.
5) home gateway is transmitted to the user with the authorization messages that Service Gateway returns.
6) user sends the service use request that has service token to the Internet Service Provider of appointment.
7) Internet Service Provider verifies user's service token, checking through after begin transferring service data, authentication failed is sent authorization failure message.
3, the message definition of digital home network service method for using
In order to realize serving the reciprocal process of method for using, we have defined the message structure of basic messae, and concrete form will elaborate referring to accompanying drawing 8-16.Every message is made up of News Category and message content field, and wherein News Category is used to distinguish different type of messages, and the message content field has then comprised the particular content of this message.
Reference Services provides flow process, and the message that relates in the reciprocal process has:
(1) service registry request message
When equipment need be when the user of digital home provides corresponding service, at first need be and the registration of serving of home gateway place at the application domain center.Registration message has comprised fields such as equipment mark, service identifiers, service name and service content.If also need add application domain center identification field when the mind-set home gateway is registered in the application domain.The News Category of this message is designated 1.Household equipment is slightly different with " the facility registration message " that sends at the application domain center, and data packet format is respectively like Fig. 8 and shown in Figure 9.
(2) message is replied in service registry
After the service registry operation was accomplished, application domain center and home gateway need send service registry to the equipment of applying for the registration of and reply message.Registration is replied message and has been comprised the registering result field.The News Category of this message is designated 2.The data packet format of message is shown in figure 10.
(3) service search request message
Want to use when serving in the digital home when the user of family starts terminal program, at first need to home gateway and the inquiry of application domain administrative center its kind and the content of service can be provided.Therefore, before selecting to use service, the user need send service search message to home gateway and application domain center.The News Category of this message is designated 3.The data packet format of message is shown in figure 11.
Comprised three types service search request message here: search this territory service, non-this territory service and external web services.Distinguish through type of service field.
(4) service search is replied message
After service-seeking is accomplished; Application domain administrative center and home gateway need return corresponding service list to the user who searches; Therefore comprised the service list content in the message, nested again fields such as the service identifiers of every service, service name and service content in the service list content.The News Category of this message is designated 4.The data packet format of message is shown in figure 12.
(5) request message is obtained in service
After the user gets access to service list, select own needed service by the user, and to digital home gateway or the corresponding service of application domain administrative center request.Should comprise service identifiers, service name, 3 elementary fields of ID in this request message.The News Category of this message is designated 5.The data packet format of message is shown in figure 13.
(6) answer message is obtained in service
When application domain administrative center receives service request information, at first need verify user's access rights, when user's authority is legal, with the answer message of sending authorization service.Authorization result, device identification, 3 elementary fields of service token have wherein been comprised.If only need comprising the Authorization result field, illegal, as directly to send authorization failure answer message, this message gets final product.The News Category of this message is designated 6.The data packet format of message is shown in figure 14.
(7) request message is obtained in the service of band service access token
After the user uses authorization of service to pass through, will obtain request, wherein comprise the service token field to the service of sending of service specified equipment.The News Category of this message is designated 7.The data packet format of message is shown in figure 15.
(8) service response message
After equipment receives service response message, at first need verify user's service token, after checking is passed through, begin to send service response message, wherein comprise the needed data of service interaction.If checking is not passed through, then send the answer message of authorization failure.The News Category of this message is designated 8.The data packet format of message is shown in figure 16.
Symbol description:
PDA:Personal Digital Assistant personal digital assistant
The VOIP:Voice Over Internet Protocol networking telephone
The internet phone of IP:Internet Protocol
OSGI:Open Service Gateway Initiative open service gateway initiative platform
API:Application Programming Interface application programming interfaces
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection range of accompanying claims of the present invention according to above-mentioned explanation.
Claims (3)
1. the digital home network service management system towards the integration of three networks is characterized in that, comprises security management subsystem, RACS, business management subsystem, external network access subsystem and application domain network insertion subsystem; Said security management subsystem is made up of subscriber information management module, key management module, certificate management module, user and device authentication module, system safety module and access control module, is used for to digital home services safety protecting mechanism being provided; Said RACS is made up of command analysis module, instruction Executive Module, security dispatching module, service dispatch module, control strategy module and control interface module, the service order of digital home network is resolved, and service procedure is controlled; Said business management subsystem is made up of service registry module, service lookup module, service configuration module, service ordering module and service interface module; Centralized management is unified in all services of family; To the domestic consumer unified service interface is provided, and realize service registration, search, dispose, order; Said external network access subsystem is made up of CHINA RFTCOM Co Ltd interface module, computer network interface module, telecommunications network interface module and network middleware module, manages the cut-in operation of outside heterogeneous network; Said application domain network insertion subsystem is made up of each application domain administrative center; Each application domain administrative center is made up of service registry module, service providing module, procotol modular converter, access control module and device authentication module; Be used to guarantee interconnecting of the interior equipment of application domain; Message to using different network protocol is carried out protocol conversion; And service registry is provided and uses interface to digital family equipment and user, the authentication function of equipment in access control mechanisms and the application domain is provided simultaneously, the cut-in operation of realization home network; Wherein, security management subsystem, RACS, business management subsystem, external network access subsystem are arranged in the home gateway; RACS is the core of service management system; Carry out interacting message with external network access subsystem, security management subsystem, business management subsystem, the interconnection of application domain network insertion subsystem respectively, RACS is resolved the user instruction message in the digital home network, judges the operation that will carry out; For the operation of controlling other modules of native system provides the execution foundation; According to the message that parses, under the effect of control strategy, scheduling is other subsystems of interconnection with it; Accomplish this instruction manipulation, and do not have directly mutual between other subsystems.
2. based on the service management of digital home network service management system, comprise service registry process and service acquisition procedure; Said service acquisition procedure should be used in the territory service, other application domain services of the cross-domain visit of domestic consumer, domestic consumer's remote access application domain service and domestic consumer to visit outside heterogeneous network service by domestic consumer visit to form;
The said service registry process of A comprises the steps:
The application domain administrative center of service providing device in steps A 1 application domain to its place send " service registry request information; this message need comprise device identification, service identifiers, title, content essential information, so as application domain administrative center in the later stage service of searching use;
After steps A 2 application domain administrative centers receive this message, its service list is upgraded;
Steps A 3 structure application domain service registry request data package, " application domain service registry request information includes application domain administrative center sign, service identifiers, service name, service content information to the home gateway transmission;
After steps A 4 home gateways receive this message, its service list is upgraded;
After steps A 5 is upgraded successfully, send " service registry success " message to application domain administrative center;
Steps A 6 application domain administrative centers send " service registry success " message to service providing device;
The said service acquisition procedure of B is: after request message is obtained in the user of the family service of sending; At first judge the type of this message by service management system; If user capture should be used COS in the territory; Then service acquisition procedure need not be participated in by the home gateway entity, by the application domain administrative center in the application domain network insertion subsystem request message is obtained in the service of user's proposition and responds; If other application domain services of the cross-domain visit of domestic consumer or domestic consumer's remote access application domain service or domestic consumer visit outside heterogeneous network service; Then request message analysis is obtained in service, under the support of control strategy module, call in the home gateway corresponding subsystem then and come that request message is obtained in service and respond by the command analysis module of RACS;
(1) domestic consumer's visit should be served with the territory, and then concrete process step is:
Step B1 user at first sends the service search request, search should with the territory all services that can provide;
Step B2 is after receiving the service search request, and application domain administrative center will return its service list that provides; If unregistered any service is then returned and is searched failed message in this application domain;
After step B3 user receives return-list, select own required service, and obtain request message to the service of sending of the application domain administrative center with this service;
Step B4 application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it;
Step B5 user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token;
When step B6 service providing device is obtained request message in the service of receiving, at first verify user's access token, after checking is passed through, make corresponding service response, just begin normal service data reciprocal process later on;
(2) other application domain services of the cross-domain visit of domestic consumer, then concrete flow process is:
Step C1 user be at first to using territory administrative center, i.e. its place application domain administrative center sends and non-ly should use territory service search request;
Step C2 should with territory administrative center receive non-should use territory service search request after, need this request is transmitted to home gateway;
Step C3 home gateway is after receiving the service search request, and home gateway will return current all service lists, in order to make user's access services exactly, comprises sign, the IP information of service place application domain administrative center in this message; If the unregistered any service in home gateway place is then returned and is searched failed message;
Step C4 application domain administrative center will give the user from the lookup result forwards that home gateway receives;
Step C5 user obtains request message to the service of sending of the application domain administrative center with this service after receiving the service list that returns;
Step C6 application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it;
Step C7 user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token;
When step C8 service providing device is obtained request message in the service of receiving, at first verify user's access token, after checking is passed through, make corresponding service response, just begin normal service data reciprocal process later on;
(3) service in domestic consumer's remote access application domain, then concrete flow process is:
Step D1 domestic consumer at first sends the service search request to home gateway;
After step D2 home gateway receives the service search request; Return the service list that it provides, wherein also comprise sign, the IP information of service place application domain administrative center, if unregistered any service; Return and search failed message, the process of service access afterwards and preceding two kinds of situation are similar;
Step D3 user obtains request message to the service of sending of the application domain administrative center with this service after receiving return results;
Step D4 application domain administrative center differentiates user's identity, differentiates through the back and sends the service access token to it;
Step D5 user provides equipment to send the service that has access token to service specified and obtains request message after receiving access token;
When step D6 service providing device is obtained request message in the service of receiving, at first verify user's access token, after checking is passed through, make corresponding service response, just begin normal service data reciprocal process later on;
(4) domestic consumer visits outside heterogeneous network service, and then concrete flow process is:
Step e 1 user of digital home sends the service search request to home gateway;
Step e 2 home gateways are handled backcasting machine Network gateway to search request and are sent the service search request;
Step e 3 home gateways send the service search request to the Service Gateway of communication network;
Step e 4 home gateways send the service search request to the Service Gateway of television network broadcast;
The Service Gateway of step e 5 computer networks returns the service list that is provided;
The Service Gateway of step e 6 communication networks returns the service list that is provided;
The Service Gateway of step e 7 television network broadcasts returns the service list that is provided;
Step e 8 home gateways are integrated and are screened all services in each service list that returns, and only select optimum for identical service;
Service list after step e 9 home gateways will be integrated returns to the user.
3. the service management based on the digital home network service management system according to claim 2 is characterized in that, the domestic consumer selects the idiographic flow of respective service and use to be:
Step F 1: the domestic consumer selects own required service according to the service list that returns;
Step F 2: the user sends the use request of selected service to home gateway;
Step F 3: home gateway sends corresponding services request according to institute's requested service to the Service Gateway that this service is provided;
Step F 4: Service Gateway is verified requestor's identity judge whether the requestor has the authority of the service used, is verified through returning the pairing service token of service, if do not pass through the return authorization failure;
Step F 5: home gateway is transmitted to the user with the authorization messages that Service Gateway returns;
Step F 6: the user sends the service use request that has service token to the Internet Service Provider of appointment;
Step F 7: the Internet Service Provider verifies user's service token, checking through after begin transferring service data, authentication failed is sent authorization failure message.
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