CN1992735A - Implementation method for IPTV set-top box access network and service fulfillment - Google Patents
Implementation method for IPTV set-top box access network and service fulfillment Download PDFInfo
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- CN1992735A CN1992735A CN 200510135461 CN200510135461A CN1992735A CN 1992735 A CN1992735 A CN 1992735A CN 200510135461 CN200510135461 CN 200510135461 CN 200510135461 A CN200510135461 A CN 200510135461A CN 1992735 A CN1992735 A CN 1992735A
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Abstract
The invention relates to a method for realizing IPTV top-set box access network and opening service, wherein it comprises that: IPTV top-set box uses dynamic host setting protocol to connect the manage center, and provides register request; the manage center identifies the IPTV top-set box, records legal register to open the service; if the IPTV top-set box sends illegal register to manage center for several times in certain time range, the manage center will forbid it to access network in certain time; and for the failed legal IPTV top-set box, the manage center will allow it to register intermitted until it registers successfully. The invention can access IPTV top-set box to network and open service with low cost and high efficiency.
Description
Technical field
The present invention relates to device network and insert and service activating method, relate in particular to management of a kind of set-top box device strategy and service activating method.
Background technology
Set-top box STB (Set-top-box) comes from Digital Television.It is a kind of conversion equipment that digital television signal is converted to analog signal.In digital television application, mainly 3 class digital TV set-top box are arranged according to the transmission network difference: be used for cable television network digital TV set-top box STB-C, be used for the digital TV set-top box STB-S of satellite television net and be used for the digital TV set-top box STB-T of terrestrial broadcast network, they satisfy respective standard DVB-C, DVB-S and the DVB-T of Digital Television respectively.
Based on the appearance of the set-top box of Internet agreement (IP), be nearest thing.Along with the development of IPTV, make this product obtain the great motive force of development.Because the IP set-top box not only can provide and most of wired or satellite television set-top box identical functions, but also can use current the Internet cheaply and IP-based network facility.In addition, be based on two-way IP network and can also support a series of application and interactive services by the light of nature.
The basic function of IPTV set-top box is the receiving digital television program, has all broadcasting, program request and interactive multimedia application function simultaneously, also comprises following function:
(1) electronic program guides (EPG): EPG can be the user provide a kind of friendly interface, easy operating, can the fast access program mode.The user can see on all channels recent with TV programme of playing and the programme content index that can supply user's program request to select by the EPG function, initiatively retrieve program request.
(2) interactive application: for the user provides video request program, multicast and interactive game.By the application of interactive function, people can carry out F.F., rewind down, time-out as operation family expenses DVD in a sowing time; Switching TV channel fast when multicast.By the application of interactive function, people can also carry out interactive game.
(3) on-line software updating: utilize set-top box middleware plug-in unit can provide the set-top box ability to survey, online installation and renewal set-top box application software.Set-top box can be discerned the version number of this software, does not receive this software simultaneously at version, and the software that is kept in the memory is upgraded.
(4) internet browsing and Email: the user can be by the built-in internet browser online of set-top box, send Email.
Along with the commerce operation and the continuous development of telecommunications IPTV business are perfect, use the user of IPTV business also will get more and more, the number that Adds User also will increase progressively year by year significantly.In the early stage that service fulfillment uses, need in enterprises and individuals user family, dispose corresponding terminal device-IPTV set-top box.Set-top box have distribute wide, quantity is many, possess characteristics such as dynamic IP addressing, intelligent degree height, is not suitable for the Installation and Debugging and the service fulfillment work of traditional in the past user side equipment.Traditional user side equipment connecting system has 3 kinds of modes: a kind of technical staff of being on-sites install, debugs and disposes; Second kind is by corresponding protocol (as SNMP), carries out the automatic discovery and the management of equipment, if the agreement nonstandard protocol will face the not compatibling problem of way system; The third is access and the business configuration mode that adopts DHCP+TFTP/FTP at some terminal equipment.
The mode that the technical staff on-sites install is the mode of conventional telecommunications equipment installation.The technical staff is responsible for the configuration and the service debugging of equipment installation, parameter.Because IPTV is different from traditional businesses such as putting dress broadband and phone, basic broadband line has been laid at user side and has been finished.For the surge number of users of IPTV, will inevitably need to drop into great amount of manpower and implement service fulfillment.For using, the cycle that business application is opened also must be elongated, and influences the sound development of IPTV business.And along with the surge of number of users, this service fulfillment mode can be implemented hardly.
By corresponding protocol, the automatic discovering device of administrative center, and configuration relevant parameters.For the user, the cycle of professional use and the difficulty of opening have been reduced.For telecommunications, administrative center is essential will be to line scanning of corresponding networking cycle and poll, and efficient is low, has increased the load of network and the pressure of network management system.Because equipment at user side, must bring unsafe factors such as the disabled user registers, network attack.
A kind of access way at intelligent terminal is arranged at present, after the employing terminal equipment powers up, utilize DHCP to obtain the IP address and the administrative center address of machine.Terminal is registered to administrative center automatically, and administrative center authenticates equipment.Authentication is passed through, and then searches corresponding configuration file according to device type, and the notice ftp server is configured for the terminal downloads respective profiles.Terminal downloads configuration file and through the configuration after, then include the management of system automatically in and open the business of user's appointment.The IPTV set-top box is with respect to other intelligent terminals, needing to connect multiple business system (as EPG system, stream media system) provides services such as video, voice, communication in time for the user, have initial configuration more complicated, higher, the employing TR-069 network management protocol characteristics such as (SNMP etc. are traditional, and the NE management agreement are not suitable for) of security requirement.This intelligent terminal cut-in method can't be realized TR-069 agreement characteristics, and can't evade large number quipments and register the registration storm that brings simultaneously, more can not prevent the attack of illegal user to management center server.
Existing method has the following disadvantages:
1. intelligent terminal must be by the form of loading configuration file if need be configured, and terminal is obtained corresponding file from corresponding TFTP service, is saved to this locality;
2. do not support IPTV terminal management agreement and management process;
3. the audit automatically and the professional automatic configuration of software can not be provided;
4. the access device management system receives relevant facility registration information, and whether be legitimate device according to the unique identifier judgment device of equipment, register requirement for illegality equipment, there is not inhibit feature, the hacker can be according to this weakness, the conjecture unique identifier is registered or is directly utilized denial of service to attack, and makes server provide normal service for legal register requirement, causes servers go down;
5. terminal is not supported corresponding registration policy, when the large number quipments registration of reaching the standard grade simultaneously, can bring the registration storm, and causing server performance to descend can't provide normal service.
Summary of the invention
Technical problem to be solved by this invention is to provide the implementation method of a kind of IPTV set-top box access network and service fulfillment, after adopting IPTV STB terminal device power-on, initiatively obtain the IP address and the administrative center address of IPTV set-top box device, automatically be registered to administrative center, the method that administrative center authenticates equipment realizes the automatic audit and the professional automatic configuration of IPTV set-top box device software.
For solving the problems of the technologies described above, the invention provides the implementation method of a kind of IPTV set-top box access network and service fulfillment, may further comprise the steps:
(1) after the IPTV set-top box device starts,, the log-on message of this equipment is registered from trend administrative center according to the address of management center server;
(2) log-on message that provides according to described equipment of management center server authenticates the legitimacy of described equipment;
(3) at legitimate device, management center server initiatively is this equipment disposition service parameter;
(4) after the service parameter configuration was finished, this equipment returned the configuration response message to administrative center.
In the described step (1), the log-on message of this equipment, and the address information of management center server can obtain by pre-configured process.
In the described step (1), the log-on message of this equipment, and the address information of management center server can pass through the DCHP agreement, by the DCHP server-assignment.
In the described step (1), when the busy extent of the management center server of this equipment correspondence surpasses threshold value, can distribute other management center server addresses to give described equipment by the DCHP server according to idle principle of priority.
In the described step (1), this equipment can pass through the TR-069 standard, adopts the Inform method to provide log-on message to management center server.
In the described step (1), the log-on message of this equipment can comprise: device id, authentication information;
In the described step (2), device id and authentication information that management center server can provide according to described equipment judge whether this equipment is legitimate device.
In the described step (1), the log-on message of this equipment may further include: Device IP/port information;
In the described step (2), Device IP/port information that management center server can further provide according to described equipment with the actual address/port information that receives information, judges that this equipment is whether at the local area network side of NAT gateway.
In the described step (1), the log-on message of this equipment may further include: software version information;
In the described step (2), the software version information that management center server can further provide according to this equipment judges whether that needs carry out software upgrading to this equipment.
Described step (2) may further include:
If device software needs upgrading, management center server is notified described equipment with the name information of the address of the ftp server of storage equipment software upgrading version, user name, password upgrade software;
Connect corresponding ftp server after described equipment has notice and download corresponding upgrade software.
Described step (3):
For legitimate device, may further include step: management center server is registered the log-on message that this equipment provides, and returns the message that succeeds in registration and give described equipment;
For illegality equipment, may further include step: management center server returns the message of refusal registration and gives described equipment.
Described step (2) may further include:
If described facility registration is success not, every interval certain hour can initiatively be registered to described management center server till succeeding in registration once more.
Described step (2) may further include:
Management center server calculates the number of times of registering from the refusal of same equipment, and when reaching preset times, management center server is notified the last attached device of this address device, closes its corresponding link and port.
Be the service parameter of this equipment disposition in the described step (3), can comprise electronic program list information.
Described step (3), management center server can pass through Set Parameter Values or Download method, is this equipment disposition service parameter.
The inventive method has been utilized the technical characterstic of existing IPTV set-top box, use the Inform method and the business of customer headend equipment wide area network management agreement to open mechanism automatically, automatically be registered to administrative center, and by administrative center automatically preparation finish service parameter, accomplished the zero configuration of customer parameter; Utilize existing ripe secure communication authentication mechanism for encrypting, solved the safety problem of Internet network service.
Description of drawings
Fig. 1 is the schematic flow sheet of the described IPTV set-top box device of embodiment of the invention access-in management center and service activating method.
Embodiment
The English that comprises in the present embodiment is called for short as follows:
DHCP:Dynamic Host Configuration Protocol DHCP;
IPTV:Internet Protocol Television Internet TV;
EPG:Electronic Programmer Guide electronic program list;
IR-069:Technical Report-069 CPE WAN Management Protocol. customer headend equipment wide area network management agreement;
SNMP:Simple Network Management Protocol Simple Network Management Protocol;
FTP:File Transfer Protocol file transfer protocol (FTP);
The simple file transfer protocol (FTP) of TFTP:Trivial File Transfer protocol;
SSL:Secure Sockets Layer security socket layer;
TSL:Transport Layer Security Transport Layer Security.
The method that the embodiment of the invention adopts is a kind of management method of IPTV set-top box device, has used DHCP technology, TR-069 agreement, snmp protocol, adopts following step and sport technique segment:
A. utilize the Option of DHCP to obtain management system registrar and relevant parameter.
B. there are a plurality of management center servers to be used for the registration and the service fulfillment of IPTV set-top box in the system, Dynamic Host Configuration Protocol server is according to the set-top box management strategy of corresponding administrative center and the busy extent of current each server, selects the address parameter of the administrative center of suitable this set-top box.
The C.IPTV set-top box uses the TR-069 agreement that self parameter is provided, and initiatively is registered to administrative center.
D. for legal set-top box, register the details of this set-top box, and configuration corresponding service server address and management server address.If the disabled user, then refusal registration.
E. after succeeding in registration for legal set-top box, administrative center will judge whether the software version of this set-top box is latest edition.If find that the software version of current set-top box is not a latest edition, download up-to-date software version with notifying it to be connected to corresponding ftp server, and do the upgrading of software.
F. the set-top box of administrative center to having succeeded in registration according to the service conditions of user's registration, disposes the corresponding business parameter, realizes service fulfillment.
G. if in a period of time, illegal registration scenarios appears repeatedly in this equipment, then according to the last attached device of announcement machine top box, forbids the device access network of this IP address at the appointed time.
H. for unregistered successful legal set-top box device, will be in the time interval that allows initiatively transmission register requirement regularly, until being registered to administrative center.
In the described steps A, in the respective selection of DHCP, provide IP address, DNS, the netmask of equipment, the information such as server address of administrative center, guarantee that set-top box can the access-in management network and normal connection management server.
Among the described step B, the relative strategy of management server address and IPTV set-top box can flexible customization, as dividing different management servers according to the IP address range of set-top box.When finding that the IPTV set-top box surpasses threshold values according to tactful corresponding server busy extent,, give registration of IPTV set-top box and service fulfillment with the most idle server-assignment then according to idle principle of priority.
Among the described step C, set-top box adopts Inform method notice management server by the standard of TR-069, and its own IP address, device id, software version and necessary authentication information are provided.
Among the described step D, whether the device id that administrative center provides according to set-top box, security information, judgement set-top box device be legal, necessary informations such as the IP address of legal then registering apparatus, port, device id.
In the described step e, administrative center with the address of the ftp server of storage equipment software version information such as login username, password, software version filename, file directory send to the IPTV set-top box.
In the described step F, administrative center needs the address of the EPG server of configuration machine top box at least.
Among the described step G, administrative center forbids the device access network of this IP address by the access list of attached device on the SNMP/TELNET protocol configuration IPTV set-top box in a period of time.
In the described step F, the IPTV set-top box device sends register requirement in the rational time interval, avoids increasing burden to network and management server.After succeeding in registration, stop to send register requirement.
The cardinal principle of the embodiment of the invention is: after the IPTV set-top box device powers up startup, obtain the address information administrative center address information of this machine by the DHCP agreement; IPTV equipment is initiatively registered to administrative center; The legitimacy of the information judgment device that administrative center provides according to equipment, for the authentication of illegality equipment refusal, when administrative center finds this equipment in malicious attack, with close this equipment on connect port, forbid the equipment access network; When the legitimacy of equipment obtains confirming, whether administrative center can connect background server judgment device software version and need to upgrade, and for the equipment of needs upgrading, administrative center's announcement apparatus obtains the parameter of recent software version, and the notice ftp server is ready; When equipment software upgrading is finished or the software of this equipment has been latest edition, the parameter that management system needs the active arrangement service fulfillment, as EPG server service address, appliance services is opened and is finished.
As shown in Figure 1, be the schematic flow sheet according to the described IPTV set-top box device of embodiment of the invention access-in management center and service activating method, concrete steps are:
(the step 1) set-top box device powers up and starts self check and finish, and judges whether if through hatching, then enable the DHCP agreement, outwards to send the DHCP Discovery broadcasting packet of DHCP agreement through hatching process (parameter pre-configured).
(step 2) DCHP server is according to the idle relatively management center server of the most suitable IPTV set-top box registration of policy selection.
(the step 3) Dynamic Host Configuration Protocol server receives the request message of IPTV set-top box, the IP address of distributing equipment, send the Offer message of DHCP agreement, comprise following information in the message at least: IP address of equipment, subnet mask, gateway address, dns server address, administrative center address.
(after step 4) IPTV set-top box receives assignment message,, send Address Confirmation information to Dynamic Host Configuration Protocol server if receive this address allocation information.
(the step 5) Dynamic Host Configuration Protocol server returns ACK and confirms.
(step 6) equipment is registered to administrative center by TR-069 protocol of I nform method, and log-on message comprises device id, Device IP/port, authentication information and software version information.
(step 7) is after management center server is received IPTV set-top box authentication message, and whether the device id information and the authentication information judgment device that provide according to the IPTV set-top box are legitimate device; According to the actual address/port of IP address of equipment/port, judge that whether the IPTV set-top box is in the LAN of NAT gateway side with the information of reception; Judge whether that according to software version information needs carry out software upgrading to equipment.
(step 8) is after the equipment of registration is legitimate device, and information such as corresponding apparatus ID, IP address, port, software version are registered by administrative center.And return the information of succeeding in registration.For illegal equipment, will return refusal information and give equipment.
(step 9) is for the equipment that needs software upgrading, and address, user name, password, the upgrade software title of IPTV set-top box ftp server informed by administrative center.
(the step 10) equipment back that has notice connects corresponding ftp server and downloads corresponding software, and does edition upgrading.
(the step 11) set-top box device is notified administrative center after finishing software upgrading.
(step 12) administrative center is by the service parameter of Set Parameter Values or Download method configuration of IP TV equipment.
(the step 13) set-top box device is replied to administrative center after parameter configuration is finished.
(step 14) administrative center can't provide service because the set-top box of concurrency management is more simultaneously, returns 404 wrong these set-top box of giving.
(owing to certain odjective cause, registration failure initiatively sends log-on message with timing at interval to step 15) for legitimate device, and until succeeding in registration, default interval was advised at 5 minutes.
For intensive excessively registration failure, administrative center can judge whether to be malicious attack according to the registration failure reason, takes safety precaution work for the set-top box that malicious attack suspicion is arranged (step 16).
(step 17) for the illegal device registration that is judged to be malicious attack, administrative center will notify attached device on it, close its corresponding link and port, stop it to connect the networking, and register corresponding attack condition to administrative staff's inquiry and processing.
Embodiment of the invention method the IPTV set-top box insert the networking and the process that activates the service in, operations such as the response of register requirement, log-on message, professional preparation all adopt SSL or TSL to encrypt the safety that assurance is communicated by letter.
The set-top box device of embodiment of the invention method by IPTV obtains the address of this machine and relevant administrative center address according to DHCP after powering up startup for the first time, initiatively register flow path is managed in initiation.The legitimacy of log-on message determining apparatus such as address that administrative center provides according to equipment and device id, and according to the service parameter of the business information active arrangement equipment of user registration, relevant mechanism is provided simultaneously, prevents that the disabled user from registering " the registration storm " that brings simultaneously to the malicious attack and the large number quipments of administrative center.Like this, cancelled the IPTV terminal and opened the manual intervention flow process of management, reduced the management cost that network management center implements, it is professional to the actual cycle of opening from applying for to have shortened the user.Simultaneously, the fail safe that utilizes device id and checking measure to improve system.When running into reason such as the busy or network cause trouble of network management center, for unregistered successful legitimate device, provide the mechanism of repeated registration, guaranteed the reliability that succeeds in registration.The IPTV set-top box adopts SSL/TSL to encrypt with communicating by letter of administrative center.
Claims (14)
1, the implementation method of a kind of IPTV set-top box access network and service fulfillment is characterized in that, may further comprise the steps:
(1) after the IPTV set-top box device starts,, the log-on message of this equipment is registered from trend administrative center according to the address of management center server;
(2) log-on message that provides according to described equipment of management center server authenticates the legitimacy of described equipment;
(3) at legitimate device, management center server initiatively is this equipment disposition service parameter.
2, the method for claim 1 is characterized in that, in the described step (1), the log-on message of this equipment, and the address information of management center server obtain by pre-configured process.
3, the method for claim 1 is characterized in that, in the described step (1), the log-on message of this equipment, and the address information of management center server are by the DCHP agreement, by the DCHP server-assignment.
4, method as claimed in claim 3, it is characterized in that, in the described step (1), when the busy extent of the management center server of this equipment correspondence surpasses threshold value, according to idle principle of priority, distribute other management center server addresses to give described equipment by the DCHP server.
5, the method for claim 1 is characterized in that, in the described step (1), this equipment adopts the Inform method to provide log-on message to management center server by the TR-069 standard.
6, the method for claim 1 is characterized in that:
In the described step (1), the log-on message of this equipment comprises: device id, authentication information;
In the described step (2), management center server judges according to device id and authentication information that described equipment provides whether this equipment is legitimate device.
7, method as claimed in claim 6 is characterized in that:
In the described step (1), the log-on message of this equipment further comprises: Device IP/port information;
In the described step (2), Device IP/port information that management center server further provides according to described equipment with the actual address/port information that receives information, judges that this equipment is whether at the local area network side of NAT gateway.
8, method as claimed in claim 6 is characterized in that:
In the described step (1), the log-on message of this equipment further comprises: software version information;
In the described step (2), the software version information that management center server further provides according to this equipment judges whether that needs carry out software upgrading to this equipment.
9, method as claimed in claim 8 is characterized in that, described step (2) further comprises:
If device software needs upgrading, management center server is notified described equipment with the name information of the address of the ftp server of storage equipment software upgrading version, user name, password upgrade software;
Connect corresponding ftp server after described equipment has notice and download corresponding upgrade software.
10, the method for claim 1 is characterized in that, described step (3):
For legitimate device, further comprise step: management center server is registered the log-on message that this equipment provides, and returns the message that succeeds in registration and give described equipment;
For illegality equipment, further comprise step: management center server returns the message of refusal registration and gives described equipment.
11, method as claimed in claim 10 is characterized in that, described step (2) further comprises:
If described facility registration is success not, every interval certain hour can initiatively be registered to described management center server till succeeding in registration once more.
12, method as claimed in claim 10 is characterized in that, described step (2) further comprises:
Management center server calculates the number of times of registering from the refusal of same equipment, and when reaching preset times, management center server is notified the last attached device of this address device, closes its corresponding link and port.
13, the method for claim 1 is characterized in that, described step is the service parameter of this equipment disposition in (3), comprises electronic program list information.
14, the method for claim 1 is characterized in that, described step (3), and management center server is this equipment disposition service parameter by Set Parameter Values or Download method.
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