CN1207875C - City area comprehensive business network system - Google Patents
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Abstract
The present invention discloses a metropolitan area integrated service network system which comprises a metropolitan area integrated service carrying network, a metropolitan area integrated service network and an operating support system, wherein the metropolitan area integrated service carrying network is used for carrying different service flows; the metropolitan area integrated service network is used for realizing local integrated services and realizing the interconnection and the intercommunication between the metropolitan area integrated service network and each backbone service network to control the access of users within the network of a user site; the operating support system provides operating maintenance and provides an interface of the operating support system of the existing relevant services. The metropolitan area integrated service network of the present invention realizes that the existing various services and the future various services extend towards user side from the backbone networks by a uniform network platform, realizes the integration of various services by establishing VPN on a single network platform and ensures that various information flows have corresponding service quality within the range of a metropolitan area; the present invention realizes the access control of the various information flows of terminal users and the monitoring and the management of various kinds of service equipment by CCM and SACP, and solves the problem of deficient IP address resources and the safety problem of the services.
Description
Technical field
The present invention relates to packet-based multimedia communication network technology, particularly relate to a kind of system of MISN and the control method thereof that can handle telephone exchange, public the Internet, public video switching network and IP telephony network business.
Background technology
The mankind have held head high to have strided forward 21st century, and science and technology development is maked rapid progress, and telecommunication technology is also broken through traditional mode already, and various new types of service are constantly emerged in large numbers and be perfect, have greatly promoted the progress of social productive forces.In the telecommunication service, speech business, video traffic, Internet service and data service have all obtained development in various degree.But be based on the reason of technology and system, these business all are to carry out networking construction and management maintenance respectively, do things in his own way, and not only cause the investment waste, and have limited professional popularizing.For the user, if expect the service of above-mentioned miscellaneous service, will be respectively and Business Management Dept's door link, professional support and management is provided respectively.If can be according to user's demand, set up one and integrate metropolitan area above-mentioned miscellaneous service and that can conveniently expand service integration network, can reduce investment and administrative expenses, be user-friendly to, and can bring great economic worth and social benefit undoubtedly.
Summary of the invention
The technical problem to be solved in the present invention is to propose system of a kind of MISN and control method thereof, adopt the present invention can in the metropolitan area scope, realize the comprehensive of miscellaneous services such as voice, video and the Internet, with the unified network platform realize existing and following miscellaneous service from the extension of backbone network to user side; System of MISN of the present invention, guaranteed that scope various information flows in metropolitan area have corresponding service quality, its control method has realized the access control of the various information flows of terminal temperature difference and the monitoring and the management of miscellaneous service equipment, and has solved IP address resource shortage problem and network and service security problem.
The system of a kind of MISN that the present invention proposes comprises metropolitan area integrated service bearer network, OSS; Described metropolitan area integrated service bearer network is used for carrying and comprises audio traffic streams, video traffic and the Internet Internet Business Stream, the metropolitan area integrated service of big customer's private line service stream; Comprise the User Access Layer formed by the UA that is connected with the local network of users, be used for the key POP layer by key POP point formed of tandem from the tandem POP layer of forming by tandem POP point of the information flow of UA and the realization and the key data network first line of a couplet; Described OSS provides the operation maintenance to local MISN, and the interface with existing related service OSS is provided; This system also comprises a call control management device CCM and a plurality of SACP SACP, described CCM is arranged in the key POP point that metropolitan area integrated service bearer network links to each other with key data network, and be connected with OSS, be used for user's registration management, by SACP service access is authenticated and controls, and with the gatekeeper GK intercommunication of key service network, finish the calling control of miscellaneous service, gather charge information and report OSS with SACP; Described SACP is arranged in tandem POP point or the key POP that metropolitan area all business of integrated service bearer network enter, connect the local network of users by user access point UA, be used to carry out user's access authentication, service access control, network resource management and service quality control; Described metropolitan area integrated service bearer network comprises more than one VPN, is used to carry the metropolitan area integrated service of audio traffic streams, video traffic, the Internet Internet Business Stream and big customer's private line service stream; This system also comprises gateway GW, and described GW is positioned at key POP point, be used for IP-based voice service with based on the intercommunication of Circuit-switched voice service, wherein, describedly provide by toll telephone switching network and/or local call network based on Circuit-switched voice service; This system also comprises broadband access equipment BRAS, and described BRAS is arranged in the key POP point of metropolitan area integrated service bearer network, is used for the access authentication of user to the Internet Business Stream.
The present invention also provides a kind of metropolitan area integrated service control method, described business comprises audio service, video traffic, the Internet Internet business and big customer's private line service, described method comprises: described SACP authenticates user's access, control service access, network resource management and service quality;
Described CCM authenticates and controls service access by SACP, and with the gatekeeper GK intercommunication of key service network, finish the calling control of miscellaneous service, gather charge information and report OSS with SACP; Wherein, described SACP authenticates user's access, and control service access, network resource management and service quality pack are drawn together following process:
SACP finishes the differentiation of type of service, is different priority with different service marker; Bearer network adopts the VPN corresponding with this priority to carry this business according to the difference of priority, guarantees professional service quality;
SACP judges the type of described user profile stream, if control information flow, then SACP can " transparent " be sent to CCM from the local network of users for legal control signaling; If media information current for legal service call, under the control of CCM, carries out port translation, opening/closing Media Stream passage is sent to CCM with media information current from the local network of users; For illegal service call, SACP refuses to insert;
Described CCM authenticates and controls service access by SACP, and with the gatekeeper GK intercommunication of key service network, finish the call control packet of miscellaneous service and draw together following process:
By SACP bearer network is controlled, be specially: CCM controls SACP, opens or close a Media Stream passage by the NAT/PAT mode;
CCM controls SACP, and the Internet resources of an allocated for media streams are controlled, and described control comprises that shared bandwidth controls, and carries out the setting of priority;
CCM controls SACP, filters for the control signaling that allows to be sent to CCM from terminal, supports H.323, MGCP and agreement H.248;
CCM inquires about SACP, obtains the statistical information of user profile and Media Stream;
Registration control to dialect audio/video user;
During to speech between long-distance or net or video traffic communication, distinguish dissimilar business, with the signalling interworking cross complaint of different key service network GK;
Calling control, calling establishment of connection and the calling of local speech, video traffic is connected the management of bandwidth control;
For the incoming voice service terminal, H.323 CCM can realize, MGCP and the H.248 conversion between the call signaling.
System of MISN of the present invention and control method, with the unified network platform realize existing and following miscellaneous service from the extension of backbone network to user side; Realized the comprehensive of miscellaneous services such as voice, video and the Internet by setting up VPN on the single network platform, guaranteed that scope various information flows in metropolitan area have corresponding service quality; And configuration by CCM and SACP, realized various control to MISN of the present invention, the access control of the various information flows of terminal temperature difference and the monitoring and the management of miscellaneous service equipment have been realized, and solved IP address resource shortage problem and network and service security problem, make more perfect function of the present invention.
Below in conjunction with the drawings and specific embodiments system and method provided by the invention is described in detail.
Description of drawings
Fig. 1 is the job network configuration diagram of the MISN of MISN of the present invention;
Fig. 2 is the network architecture schematic diagram of metropolitan area of the present invention integrated service bearer network;
Fig. 3 is the schematic diagram of metropolitan area of the present invention bearer network carrying VPN;
Fig. 4 is the position view of MISN of the present invention in the metropolitan area bearer network.
Embodiment
Fig. 1 is the job network configuration diagram of the MISN of MISN of the present invention, and the network architecture that Fig. 1 provides is divided into three layers, and promptly the upper strata is that key service network, MISN of the present invention system mediate, and lower floor is the local network of users.The system of MISN upwards and interconnected between existing each key service network, and the access of supporting the local network of users downwards.
Below above three layers are described respectively:
The superiors of the network architecture are key service network, be respectively: toll telephone switching network, public the Internet, public video switching network and IP telephony network (VoIP), these key service networks logically are mutually independently, can provide to have the miscellaneous service that service quality guarantees between the city.Backbone network can adopt atm technology, as Fig. 2 and shown in Figure 4, certainly, also can adopt other high speed and have the technology that service quality guarantees.
The intermediate layer is a system of MISN of the present invention, between the local network of users and each key service network, realize that miscellaneous service is realized the shunting of access, local traffic exchange and the long-distance service of local various integrated services to the comprehensive access and the traffic differentiation of key service network in the local network of users.
Orlop is the user resident mesh portions among Fig. 1, the miscellaneous service terminal all is positioned at the local network of users, the local network of users can be the internal network of one or several sub-district or a building office building or a business district, realizes and being connected of system of MISN of the present invention by user access point UA.For the local network of users, different types of service should be at least distinguished in requirement on data link layer, speech and video traffic is provided the assurance of service quality.
System of MISN of the present invention comprises: metropolitan area integrated service bearer network and metropolitan area integrated service OSS; And, on integrated service bearer network basis, metropolitan area, increase business device, realize that the metropolitan area integrated service inserts.Described MISN equipment comprises: SACP SACP, call control management device CCM, gateway GW, broadband access equipment BRAS describe respectively:
Described metropolitan area integrated service bearer network is used for carrying and comprises audio traffic streams, video traffic and the Internet Internet Business Stream, the metropolitan area integrated service of big customer's private line service stream;
Described OSS provides the operation maintenance to local MISN, and the interface with existing related service OSS is provided.
New business can appear in the continuous development along with business, and institute of system of MISN loaded service stream also corresponding variation can take place.
The metropolitan area bearer network can adopt existing metropolitan area bearer network, carry miscellaneous service by the consolidated network platform, and provide professional service quality to guarantee as required, can adopt the metropolitan area bearer network of ATM/FR technology, IP metropolitan area bearer network or the SDH MAN transmission network that has service quality to guarantee.
Be the comprehensive bearer network schematic network structure in metropolitan area of large size city of the present invention as shown in Figure 2, there is not tandem POP layer in the comprehensive bearer network in the metropolitan area of small and medium cities, user access point is directly connected to key POP point, and the function of tandem POP layer is realized by key POP layer.
Adopt three grades of networking structures to comprise at large size city: key POP layer, tandem POP layer and User Access Layer, and transmission network is formed;
Described large size city User Access Layer is made up of user access point UA, and UA is connected with the local network of users;
Described large size city tandem POP layer is made up of tandem POP point, and tandem is from the information flow of UA;
The key POP layer of described large size city is made up of key POP point, finishes converging of information flow, realizes the first line of a couplet with key data network;
Described large size city transmission network is finished the transmission of the information flow between UA, tandem POP and the key POP;
The SDH technology that the technology of transmission network generally adopts bandwidth to control as shown in Figure 2, can certainly adopt other high-speed transfer mode, as ATM, and FR etc.
Adopt the two-stage networking structure to comprise in small and medium cities: User Access Layer and key P0P layer, and transmission network is formed;
The key POP point of described small and medium cities is finished the repertoire that tandem POP point and key POP are ordered in the large size city; Described small and medium cities transmission network is finished the transmission of the information flow between UA and the key POP.
The metropolitan area integrated service of metropolitan area bearer network carrying is: audio traffic streams, video traffic and Internet Business Stream, a plurality of big customer's private line service streams.The metropolitan area bearer network is different to the processing of these four kinds of Business Streams, and these four kinds of Business Streams also are different to the requirement of service quality.Therefore construct a plurality of VPN at the metropolitan area bearing bed, carry this several Business Streams respectively, referring to Fig. 3.
Carrying VPN for different kinds of business stream can pass through the SDH transmission line, ATM/FR PVC, IP VPN (or MPLS VPN) make up.Different VPN carries different Business Streams respectively, and for big customer's private line service VPN, according to different big customers' requirement, each big customer's VPN provides its professional bandwidth to guarantee; For the Internet Business Stream, its VPN then transmits the Internet Business Stream according to (Best-Effort) mode of doing one's best, and guarantees the accessibility and the correctness of Business Stream transmission; For audio traffic streams, its VPN then guarantees propagation delay time, shake, packet loss, the bandwidth of audio traffic streams, the normal realization of service access control and point-to-point voice service; Equally for video traffic, its VPN guarantees propagation delay time, shake, packet loss, the bandwidth of video traffic, the normal realization of service access control and point-to-point video traffic, different with audio service VPN is that video traffic VPN guarantees for each video traffic will provide higher bandwidth.
Difference according to bearer network, the guarantee service quality mode of QoS of VPN is different: in the network based on ATM or frame relay, carry out queue management and priority scheduling for each PVC, adopted the PVC of other ATM/FR of different QoS level, guarantee the qos requirement of different business;
For the IP bearer network of setting up based on router, then according to the TOS mark of different business setting IP bags, each networking router carries out priority control I/O formation by TOS, guarantees the qos requirement of different business;
For adopting the SDH net to transmit, then different types of service is sent into different circuit respectively, circuit bandwidth is controlled the control that reaches service quality QoS.
These VPN are separate, also guaranteed service security when guaranteeing service quality.
Described SACP SACP, call control management device CCM, gateway GW, these equipment of broadband access equipment BRAS be except realizing local integrated service, by these facilities also realize respectively with each key service network interconnect and to the access control of each terminal temperature difference in the local network of users.One cover OSS also is provided in each MISN, the operation maintenance to local MISN is provided, and the interface with existing related service OSS is provided.
In the system of MISN, mainly comprise following equipment:
Call manager control module CCM: for user's registration management, service access is authenticated and controls,, finish the calling control of miscellaneous service with the GK intercommunication of key service network by SACP.Gather charge information with SACP.
Service access control appliance SACP:SACP is all professional Service Access points to metropolitan area network, from the local network of users to the metropolitan area network and all business of key service network all must insert by SACP.Carry out user's access authentication at SACP, service access control, network resource management and service quality control etc.
Service Gateway: MISN is based on the integrated services network of packet switching, with based on Circuit-switched toll telephone backbone network and local PSTN local network intercommunication the time, since all different in the medium aspect with control signaling aspect, need carry out intercommunication by gateway.
BRAS: the CCM in the MISN is as the access of media information currents such as control appliance control voice and video.For the internet access service, be linked into public internet by existing BRAS.
The technological difficulties of MISN of the present invention are how to realize the carrier-class may command, can manage, can charge.In the system of MISN, operation layer (comprising signaling key-course and medium processing layer) separates with bearing bed.Business network will adopt IP-based business network, but IP network itself is not have network configuration centralized control and management, loose, does not all have communication network desired control and managerial ability for the business on user and the network.The key that realizes carrier class control and management in the system of MISN is to set up contact between service control layer and media bearer layer, service control layer is controlled the media bearer layer, in MISN of the present invention, be provided with Call Control Block CCM and SACP SACP for this reason.SACP receives the order of service network key-course, the passage and the resource of the various Media Streams that direct Control Network is inserted.CCM is positioned at the key-course face in metropolitan area network, by the control of SACP being controlled user's access, guarantee network and service security, and the passage and the resource of the miscellaneous service that inserted in the network are dynamically controlled.
The position of the equipment that increases newly in the system of MISN in the metropolitan area bearer network is referring to Fig. 4.
In the equipment of MISN:
SACP SACP is positioned at tandem POP point, as no tandem POP point, then is positioned at key POP point;
Call control management equipment CCM: be positioned at the key POP point that is connected with the data backbone network;
Gateway GW: be deployed in the key city, be positioned at the key POP point that links to each other with the data backbone network;
Business operation support system: be positioned at the key POP point that is connected with the data backbone network.
Among Fig. 4, tandem POP point and user access point are merged, each business device that the system of MISN is described is deployed in the position in the metropolitan area bearer network, system of whole MISN is on the basis of existing metropolitan area bearer network, increase partial service equipment, realize the access of metropolitan area integrated service.Increase service access control appliance SACP at tandem POP point, at key POP point (the POP point in the metro core machine room, the direct equipment that is connected with ATM data backbone network) increase CCM, gateway and business operation support system, BRAS equipment can use existing equipment, also is positioned at this POP point usually.
The control method of metropolitan area of the present invention integrated service is mainly reflected in the controlled function of being finished by CCM and SACP, integrated service control module CCM wherein provides the calling control to integrated services such as speech, videos, the service access authentication, control SACP realizes control and the management for miscellaneous service, generate the call charging ticket, and cooperate with the Subscriber Management System of SACP and Management Layer, realize every business.In principle, a CCM only is set in the zone, therefore a CCM can control a plurality of SACP.Described CCM
By SACP bearer network is controlled;
Registration control to dialect audio/video user;
When (terminal that inserts with other service network or speech or the video traffic terminal in other operator net) speech or video traffic communicate by letters between long-distance or net, can distinguish dissimilar business, the signalling interworking cross complaint of realization and different key service network GK.
Calling control, calling establishment of connection and the calling of local speech, video traffic is connected the management of bandwidth control;
For the voice service terminal that inserts, support H.323 terminal, MGCP terminal, the call signaling of terminal H.248, the signaling that the existing key service network of upper strata and each is interconnected then adopts H.323 call signaling, can realize H.323 at CCM, MGCP and the H.248 conversion between the call signaling.
CCM controls bearer network by SACP, thereby realizes comprising at least for the control and the management control process of user's access and miscellaneous service:
CCM controls SACP, opens or close the passage of a Media Stream by the NAT/PAT mode;
CCM controls SACP, and the Internet resources of an allocated for media streams are controlled, and comprises that shared bandwidth controls, and carries out the setting of priority;
CCM controls SACP, filters for the control signaling that allows to be sent to CCM from terminal, supports H.323, MGCP and H.248;
CCM inquires about SACP, obtains the statistical information of user profile and Media Stream.
After each medium connected end, SACP comprised the number of data packets of transmission and the byte number of transmitting-receiving to the collected original charge information of CCM report, and call duration is called out the initial concluding time etc.And form the customer service charge information with the charge information that these information report in conjunction with SACP, report the charge system in the OSS; Simultaneously can carry out the management of Internet resources, guarantee quality of service.Except above-mentioned functions, this control protocol also may be supported some other optional function, is used for the realization of value-added service and supplementary service.
The user of MISN is registered among the local CCM, finishes access authentication to the user jointly by CCM and Subscriber Management System.
In MISN, the log-on message of user on CCM comprises: the spendable business of IP address, user (being the service authorization of OSS to the user) of end-terminal number (comprising the conventional telephone terminal that inserts by user IAD or user gw and IP phone terminal, radio phone terminal), SACP coding that the user belonged to and IP address and user cipher, the user IAD that passes through or user gateway (terminal be conventional telephone terminal) etc.
CCM can also be as the GK of subordinate of IP phone backbone network or public video switching network, the local user's of its administration number segment is registered among the GK of subordinate of these two backbone networks the address resolution when being used for carrying out business intercommunication respectively in long distance communication or with other operator.
Among the present invention, CCM also has CCF.In MISN, finish local calling control and call out establishment of connection, long-distance service is then realized by the interface to each backbone network, to last interface is each key service network (IP phone backbone network, public video switching network, connect 193 nets by gateway device H.323) GK, the calling establishment of connection of cooperating and finishing long-distance service jointly with these GK.CCM will realize GK function in the protocol system H.323 to last interface.
CCM can insert the media termination of different rules to next by SACP and the local network of users, comprises H.323 terminal, MGCP terminal and terminal etc. H.248.When carrying out authentication registration and calling out control for different rules terminals, the effect of CCM is equivalent to GK, the Media Gateway Controller in the MGCP rules and the Call Agent in the rules H.248 in the system H.323 respectively, and carries out corresponding rules.
For the local call business, carry out call treatment by CCM; For the long-distance voice and video business of striding key service networks such as IP phone backbone network, public video switching network and 193 nets, CCM by with key service network in GK (193 nets also will pass through gateway) intercommunication, finish service call, in long-distance service, if what insert is H.248 terminal and MGCP terminal, CCM supports H.248 agreement and MGCP agreement and the H.323 conversion of call control signalling between the agreement, and maintenance active call status, caller and called number, the call business type takies the Internet resources situation.
Service access control appliance (SACP) is arranged in the tandem POP point or the key POP (in the small and medium-sized cities that do not have tandem POP) of metropolitan area network, connect the local network of users by user access point, user access point is connected to tandem POP point in tree-like mode, require user access point that intercommunication between the local network of users of access is not provided, can solve so directly not set up between the local network of users and call out the bypass situation that connects, not advise adopting the ether metropolitan area network as the comprehensive bearer network in metropolitan area by SACP.
All business of the local network of users all are linked in metropolitan area network and the key service network by SACP.Under the control of business control device CCM, SACP carries out the management of Internet resources and the control of media channel for the miscellaneous service that inserts, and cooperates CCM to produce charge information.Therefore SACP is one of key equipment of MISN.
According to the specification requirement of MISN, SACP possesses following function:
The dynamic control of user profile stream;
Supporting business priority;
Flow through the filter function.
In MISN, all business of user all are that may command is manageable.Control and management for user profile stream is under the control of CCM, is realized by SACP.SACP dynamically controls for the channel of information flow by SACP according to the indication of medium control device.
User profile stream comprises control information flow and media information current.User profile stream to be dynamically controlled, two conditions must be satisfied:
The one, the local network of users can not with the outside between set up network and be connected.For IP-based network, the specific implementation way is to carry out the route restriction between the local network of users and metropolitan area network.SACP is the access device that the local network of users is linked into metropolitan area network, and SACP can " transparent " be sent to CCM from the local network of users for legal control signaling.
For media information current, it is limited transmitting passage (port), and the opening and closing of passage are subjected to the control of business control device CCM.Method at network layer control media channel has a variety of, mainly contain, dynamic IP address transition (NAT), dynamic port conversion (PAT) etc., SACP is responsible for converting the private net address of user resident to public network address simultaneously, thereby solve the problem that the IP address resource lacks.
The target of MISN is to provide carrier-class service quality to miscellaneous service.Different business is different for the requirement of service quality, needs MISN to carry out professional differentiation and the control of service quality (will provide service quality end to end also must obtain effective support of the local network of users certainly) at ingress for service (SACP).In MISN, realize service quality control by priority mode.In SACP, be different priority for different service marker.
Difference according to bearer network, support that the mode of priority is different: in network based on ATM or frame relay, carry out queue management and priority scheduling for each PVC, different PVC can be defined as different priority, different business is assigned on the different PVC transmits; For the IP bearer network of setting up based on IP (router), SACP need be according to the TOS mark of different business setting IP bags, as there are not above-mentioned two kinds of bearer networks, then can use the SDH transmission, different types of service is sent into different virtual circuits respectively, virtual circuit bandwidth is controlled the control that reaches service quality.
Must be able to filter for homogeneous turbulence SACP not.For control information flow (consider at present to support based on H.323, MGCP and control signaling H.248), SACP can be sent to CCM " transparent ".For Media Stream, must filter dynamically according to the instruction of CCM, only could between the metropolitan area network and the local network of users, transmit by the Media Stream that authenticates and connect by NAT/PAT at the service control layer face.Consider that from the angle of control and management and charging the calling that is connected between the local network of users of same SACP also must be set up by corresponding C CM.
Among the present invention, an OSS is arranged in the MISN of each prefecture-level city, mainly realize user and professional management, editing equipment management, produce functions such as charging bill and charging/tent.CCM links to each other with OSS, obtains user configuration information, customer service authorization message and equipment disposition from OSS, and report network operation information and metering data.
Described business operation support system: the miscellaneous service that provides for MISN manages, and manages for user profile, manages and safeguard, generates charge information etc. for the equipment of metropolitan area operation system.Can also be for the user provide some service functions, for example modification of the inquiry of ticket, user login password etc.After must authenticating, the user just allows to use these services.Business operation support system is the operation support system of each key service network to last interface.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1, system of a kind of MISN, comprise metropolitan area integrated service bearer network, OSS, described metropolitan area integrated service bearer network comprises the User Access Layer be made up of the UA that is connected with the local network of users, be used for the key POP layer key POP point be made of of tandem from the tandem POP layer of being made up of tandem POP point of the information flow of UA and the realization and the key data network first line of a couplet;
It is characterized in that, this system also comprises a call control management device CCM and a plurality of SACP SACP, described CCM is arranged in the key POP point that metropolitan area integrated service bearer network links to each other with key data network, and be connected with OSS, be used for user's registration management, service access authenticated and controls by SACP, and with the gatekeeper GK intercommunication of key service network, finish the calling control of miscellaneous service, gather charge information and report OSS with SACP; Described SACP is arranged in tandem POP point or the key POP that metropolitan area all business of integrated service bearer network enter, connect the local network of users by user access point UA, be used to carry out user's access authentication, service access control, network resource management and service quality control;
The integrated service bearer network is constructed a plurality of VPN in described metropolitan area, carries the metropolitan area integrated service of audio traffic streams, video traffic, the Internet Internet Business Stream and big customer's private line service stream respectively accordingly;
This system also comprises Service Gateway GW, and described GW is positioned at key POP point, be used for IP-based voice service with based on the intercommunication of Circuit-switched voice service, describedly provide by toll telephone switching network and/or local call network based on Circuit-switched voice service;
This system also comprises broadband access equipment BRAS, and described BRAS is arranged in the key POP point of metropolitan area integrated service bearer network, is used for the access authentication of user to the Internet Business Stream.
2, a kind of metropolitan area integrated service control method based on the described system of claim 1, described business comprises audio service, video traffic, the Internet Internet business and big customer's private line service, described method comprises:
SACP SACP authenticates user's access, control service access, network resource management and service quality;
Described call control management device CCM authenticates and controls service access by SACP, and with the gatekeeper GK intercommunication of key service network, finish the calling control of miscellaneous service, gather charge information and report OSS with SACP;
Wherein, described SACP authenticates user's access, and control service access, network resource management and service quality pack are drawn together following process:
SACP finishes the differentiation of type of service, is different priority with different service marker; Bearer network adopts the VPN corresponding with this priority to carry this business according to the difference of priority, guarantees professional service quality;
SACP judges the type of described user profile stream, if control information flow, then SACP can be sent to CCM from the local network of users for legal control signaling " transparent "; If media information current for legal service call, under the control of CCM, carries out port translation, opening/closing Media Stream passage is sent to CCM with media information current from the local network of users; For illegal service call, SACP refuses to insert;
Described CCM authenticates and controls service access by SACP, and with the gatekeeper GK intercommunication of key service network, finish the call control packet of miscellaneous service and draw together following process: bearer network is controlled by SACP, be specially: CCM controls SACP, opens or close a Media Stream passage by the NAT/PAT mode; CCM controls SACP, and the Internet resources of an allocated for media streams are controlled, and described control comprises that shared bandwidth controls, and carries out the setting of priority; CCM controls SACP, filters for the control signaling that allows to be sent to CCM from terminal, supports H.323, MGCP and agreement H.248; CCM inquires about SACP, obtains the statistical information of user profile and Media Stream;
Registration control to dialect audio/video user;
During to speech between long-distance or net or video traffic communication, distinguish dissimilar business, with the signalling interworking cross complaint of different key service network GK;
Calling control, calling establishment of connection and the calling of local speech, video traffic is connected the management of bandwidth control;
For the incoming voice service terminal, H.323 CCM realizes, MGCP and the H.248 conversion between the call signaling.
3, the control method of MISN according to claim 2 is characterized in that, the described employing VPN corresponding with this priority carries this business, guarantees that the mode of professional service quality is:
At bearer network based on ATM or frame relay, carry out queue management and priority scheduling for each PVC, adopt the PVC of other ATM/FR of different QoS level to transmit;
For the IP bearer network of setting up based on router, SACP is according to the TOS mark of different business setting IP bags, and each networking router carries out priority control I/O formation by TOS;
Bearer network adopts the SDH transmission as described, and SACP sends dissimilar business into different virtual circuits respectively, virtual circuit bandwidth is controlled the control that reaches service quality.
4, the control method of MISN according to claim 2, it is characterized in that, described registration control procedure to dialect audio/video user comprises: when the user is registered among the local CCM, finish access authentication jointly by CCM and Subscriber Management System to the user, wherein, the log-on message of described user on CCM comprises: the spendable business of IP address, user of end-terminal number, SACP that the user belonged to coding and IP address and user cipher, the user IAD that passes through or user gateway.
5, the control method of MISN according to claim 2, it is characterized in that, described CCM is specially with the signalling interworking cross complaint of different key service network GK: described CCM is as the GK of subordinate of IP phone backbone network or public video switching network, the local user's of its administration number segment is registered among the GK of subordinate of these two backbone networks the address resolution when being used for carrying out business intercommunication respectively in long distance communication or with other operator.
6, the control method of MISN according to claim 2 is characterized in that, the management that described calling control, calling establishment of connection and calling to local speech, video traffic is connected bandwidth control is specially:
For local service, finish local calling control and call out establishment of connection;
For the long-distance voice and video business of striding key service network, CCM by with key service network in the GK intercommunication, finish service call, in long-distance voice and video business, if what insert is H.248 terminal and MGCP terminal, CCM supports H.248 agreement and MGCP agreement and the H.323 conversion of call control signalling between the agreement, and keeps active call status, caller and called number, call business type, takies the Internet resources situation;
Call bandwidth is set service quality QoS by SACP to the VPN on the bearer network by CCM and is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100489 CN1207875C (en) | 2003-10-17 | 2003-10-17 | City area comprehensive business network system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310100489 CN1207875C (en) | 2003-10-17 | 2003-10-17 | City area comprehensive business network system |
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| CN1529479A CN1529479A (en) | 2004-09-15 |
| CN1207875C true CN1207875C (en) | 2005-06-22 |
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| CN 200310100489 Expired - Lifetime CN1207875C (en) | 2003-10-17 | 2003-10-17 | City area comprehensive business network system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388863C (en) * | 2004-11-17 | 2008-05-14 | 华为技术有限公司 | Service controlling method in virtual exchange system |
| CN100446505C (en) * | 2005-06-06 | 2008-12-24 | 华为技术有限公司 | Realization method for improving backbone network security |
| CN101212384B (en) * | 2006-12-31 | 2011-04-20 | 华为技术有限公司 | Method, system, and equipment for implement home network interconnection |
| CN101867508B (en) * | 2006-12-31 | 2012-04-04 | 华为技术有限公司 | Method, system and device for realizing home network interconnection |
| CN101729865B (en) * | 2009-10-30 | 2011-09-21 | 深圳市迪威视讯股份有限公司 | Transcoder ofuniversal video monitoring platform |
| CN102143035B (en) * | 2010-06-04 | 2013-06-12 | 华为技术有限公司 | Data traffic processing method, network device and network system |
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