Cable TV network broadband access system with distributed deployment and centralized control
First Claim
1. A cable TV network broadband access system with distributed deployment and centralized control, characterized in that, comprising:
- a system terminal end, configured to receive and transmit uplink and downlink service data, and receive and respond to access control data and management control data;
a system access end, configured to implement data format transformation and data forwarding or processing for said uplink and downlink service data, said access control data and said management control data of said system terminal end, and transmit, receive and respond to management control data of the system access end;
a system head end, configured to implement management control and access control for said system access end and said system terminal end, and to process, converge and forward said uplink and downlink service data, wherein said system head end is capable of configuring management control functions of the system access end, and access control and management control functions of said system terminal end;
a data transmission protocol between said system head end and said system access end which comprises IP protocol, Ethernet protocol, EPON protocol, GPON protocol, NGPON protocol, 10GEPON protocol, WDM-PON protocol and private protocol, is configurable, and the type of the data transmission protocol is adjustable;
a data transmission protocol between said system access end and said system terminal end which includes C-DOCSIS protocol, DOCSIS protocol, HiNOC protocol, HomePlugAV protocol and other open or private protocol based on the cable TV broadband network, is configurable;
wherein the access control data denotes, at initial stage of operation, various types of communication data between the system terminal end as a part of the whole network system and the system head end as well as between the system terminal end and the system access end, including data regarding whether the system terminal end is permitted to join the system, data regarding which transmission protocol is applied to the system terminal end after deployed in the system, and the communication timeslot and bandwidth allocated to the system terminal end; and
the management control data means the data associated with work state and device parameters of the system terminal end between the system terminal end and the system access end or the system head end;
said system access end comprises;
a data de-encapsulation and encapsulation subsystem, configured to de-encapsulate and encapsulate a data packets of said uplink and downlink service data, said access control data and management control data of said system terminal end, and transmit, receive and respond to the management control data of the system access end;
a physical frame generation subsystem, configured to implement frame structure processing, physical layer encapsulating, and physical signal receiving and transmitting for said uplink and downlink service data, said access control data and said management control data of said system terminal end; and
said system head end comprises;
a converging-and-forwarding subsystem, configured to converge, route and forward the uplink and downlink service data;
a classifying-and-mapping subsystem, configured to implement the classification and mapping of data streams for said uplink and downlink service data to perform the priority control of said service data;
a service configuration subsystem, configured to implement registration and configuration for said system access end and said system terminal end;
a network management subsystem, configured to implement management configuration and state monitoring for said system head end, said system access end, said system terminal end and all the related devices within the network, and to implement configuration and management of service priorities and service types for the processing of said uplink and downlink service data inside said system head end and said system access end;
a central control subsystem, configured to implement configuration and management for all subsystems in said system head end, and to receive, process and transmit said management control data of said system terminal end and said system access end, and to implement data format transformation and data forwarding for the management configuration and state monitoring data among the network management subsystems and the system access end and the system terminal end, and data format transformation and data forwarding for the configuration data related to service priorities and service types among said network management subsystem and other subsystems, said system access end and said system terminal end;
an access control subsystem, configured to implement access control of said system access end and said system terminal end device to said system head end.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention provides a cable TV broadband access system with distributed deployment and centralized control, which comprises: a system terminal end, configured to receive and transmit uplink and downlink service data, and receive and respond to access control data and management control data; a system access end, configured to implement data format transformation and data forwarding or processing for said uplink and downlink service data, said access control data and said management control data of said system terminal end, and transmit, receive and respond to management control data of said system access end; a system head end, configured to implement management control and access control for said system access end and said system terminal end, and process, converge and forward said uplink and downlink service data. Said system uses a system architecture with three-stage distributed deployment and centralized control comprising a system terminal end, a system access end and a system head end, and it can not only realize the end-to-end control management and QoS priority assurance of the broadband data service, but can also realize easy network deployment, low comprehensive cost and high management efficiency.
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Citations
21 Claims
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1. A cable TV network broadband access system with distributed deployment and centralized control, characterized in that, comprising:
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a system terminal end, configured to receive and transmit uplink and downlink service data, and receive and respond to access control data and management control data; a system access end, configured to implement data format transformation and data forwarding or processing for said uplink and downlink service data, said access control data and said management control data of said system terminal end, and transmit, receive and respond to management control data of the system access end; a system head end, configured to implement management control and access control for said system access end and said system terminal end, and to process, converge and forward said uplink and downlink service data, wherein said system head end is capable of configuring management control functions of the system access end, and access control and management control functions of said system terminal end; a data transmission protocol between said system head end and said system access end which comprises IP protocol, Ethernet protocol, EPON protocol, GPON protocol, NGPON protocol, 10GEPON protocol, WDM-PON protocol and private protocol, is configurable, and the type of the data transmission protocol is adjustable;
a data transmission protocol between said system access end and said system terminal end which includes C-DOCSIS protocol, DOCSIS protocol, HiNOC protocol, HomePlugAV protocol and other open or private protocol based on the cable TV broadband network, is configurable;wherein the access control data denotes, at initial stage of operation, various types of communication data between the system terminal end as a part of the whole network system and the system head end as well as between the system terminal end and the system access end, including data regarding whether the system terminal end is permitted to join the system, data regarding which transmission protocol is applied to the system terminal end after deployed in the system, and the communication timeslot and bandwidth allocated to the system terminal end; and
the management control data means the data associated with work state and device parameters of the system terminal end between the system terminal end and the system access end or the system head end;said system access end comprises; a data de-encapsulation and encapsulation subsystem, configured to de-encapsulate and encapsulate a data packets of said uplink and downlink service data, said access control data and management control data of said system terminal end, and transmit, receive and respond to the management control data of the system access end; a physical frame generation subsystem, configured to implement frame structure processing, physical layer encapsulating, and physical signal receiving and transmitting for said uplink and downlink service data, said access control data and said management control data of said system terminal end; and said system head end comprises; a converging-and-forwarding subsystem, configured to converge, route and forward the uplink and downlink service data; a classifying-and-mapping subsystem, configured to implement the classification and mapping of data streams for said uplink and downlink service data to perform the priority control of said service data; a service configuration subsystem, configured to implement registration and configuration for said system access end and said system terminal end; a network management subsystem, configured to implement management configuration and state monitoring for said system head end, said system access end, said system terminal end and all the related devices within the network, and to implement configuration and management of service priorities and service types for the processing of said uplink and downlink service data inside said system head end and said system access end; a central control subsystem, configured to implement configuration and management for all subsystems in said system head end, and to receive, process and transmit said management control data of said system terminal end and said system access end, and to implement data format transformation and data forwarding for the management configuration and state monitoring data among the network management subsystems and the system access end and the system terminal end, and data format transformation and data forwarding for the configuration data related to service priorities and service types among said network management subsystem and other subsystems, said system access end and said system terminal end; an access control subsystem, configured to implement access control of said system access end and said system terminal end device to said system head end. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cable TV network broadband access system with distributed deployment and centralized control, characterized in that, comprising:
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a system terminal end, configured to receive and transmit uplink and downlink service data, and receive and respond to access control data and management control data; a system access end, configured to implement data format transformation and data forwarding or processing for said uplink and downlink service data, said access control data and said management control data of said system terminal end, and transmit, receive and respond to management control data of the system access end; a system head end, configured to implement management control and access control for said system access end and said system terminal end, and to process, converge and forward said uplink and downlink service data, wherein said system head end is capable of configuring management control functions of the system access end, and access control and management control functions of said system terminal end; a data transmission protocol between said system head end and said system access end which comprises IP protocol, Ethernet protocol, EPON protocol, GPON protocol, NGPON protocol, 10GEPON protocol, WDM-PON protocol and private protocol, is configurable, and the type of the data transmission protocol is adjustable;
a data transmission protocol between said system access end and said system terminal end which includes C-DOCSIS protocol, DOCSIS protocol, HiNOC protocol, HomePlugAV protocol and other open or private protocol based on the cable TV broadband network, is configurable;wherein the access control data denotes, at initial stage of operation, various types of communication data between the system terminal end as a part of the whole network system and the system head end as well as between the system terminal end and the system access end, including data regarding whether the system terminal end is permitted to join the system, data regarding which transmission protocol is applied to the system terminal end after deployed in the system, and the communication timeslot and bandwidth allocated to the system terminal end; and
the management control data means the data associated with work state and device parameters of the system terminal end between the system terminal end and the system access end or the system head end;said system terminal end is configured to, in an uplink direction, transmit service data, access control data and management control data to a coaxial cable media converter (CMC) device; and
, in a downlink direction, receive service data, access control data and management control data;said system access end comprises the CMC device, and said CMC device comprises; a radio frequency interface module, configured to, in an uplink direction, receive the service data transmitted by said system terminal end, analyze C-DOCSIS frames of said service data, implement VLAN information mapping for the frame data, insert a CDT tag to Ethernet frame headers of said service data and transmit the service data with the inserted CDT tag to a classifying-and-forwarding module, and then transmit an encapsulated C-DOCSIS management message (CDMM) to a system control module; and
configured to, in a downlink direction, receive the service data transmitted by said classifying-and-forwarding module, identify the system terminal end and the service stream to which the service data belongs according to said CDT tag, and implement traffic shaping and scheduling for said service data according to the identified terminal end and service stream, and then transmit said service data to said system terminal end;said system head end comprises; a configuration system, configured to provide service opening and device configuration service for said system terminal end, and implement the generating and distributing of configuration files, and software upgrade of said system terminal end; a network management system, configured to implement configuration, maintenance and monitoring of the network devices; a convergence device, comprising; a classifying-and-forwarding module, configured to, in an uplink direction, map the CDT tag to the service label supported by the convergence network and transmit it to the convergence network; and
, in a downlink direction, implement VLAN TAG information stripping for the Ethernet frames of the service data transmitted by the convergence network, and implement data stream characteristic matching for said frames, classify the frames according to the matched data stream characteristics, insert a CDT tag to the Ethernet frame headers of the service data for identifying a particular service stream of a particular terminal end, and transmit said service data with the inserted CDT tag to the radio frequency forwarding module;a system control module, configured to configure and manage the radio frequency interface module and the classifying-and-forwarding module, and transmit a response frame responsive to the encapsulated C-DOCSIS management message (CDMM) transmitted by said radio frequency interface module. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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9. A cable TV network broadband access system with distributed deployment and centralized control, characterized in that, comprising:
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a system terminal end, configured to receive and transmit uplink and downlink service data, and receive and respond to access control data and management control data; a system access end, configured to implement data format transformation and data forwarding or processing for said uplink and downlink service data, said access control data and said management control data of said system terminal end, and transmit, receive and respond to management control data of the system access end; a system head end, configured to implement management control and access control for said system access end and said system terminal end, and to process, converge and forward said uplink and downlink service data, wherein said system head end is capable of configuring management control functions of the system access end, and access control and management control functions of said system terminal end; a data transmission protocol between said system head end and said system access end which comprises IP protocol, Ethernet protocol, EPON protocol, GPON protocol, NGPON protocol, 10GEPON protocol, WDM-PON protocol and private protocol, is configurable, and the type of the data transmission protocol is adjustable;
a data transmission protocol between said system access end and said system terminal end which includes C-DOCSIS protocol, DOCSIS protocol, HiNOC protocol, HomePlugAV protocol and other open or private protocol based on the cable TV broadband network, is configurable;wherein the access control data denotes, at initial stage of operation, various types of communication data between the system terminal end as a part of the whole network system and the system head end as well as between the system terminal end and the system access end, including data regarding whether the system terminal end is permitted to join the system, data regarding which transmission protocol is applied to the system terminal end after deployed in the system, and the communication timeslot and bandwidth allocated to the system terminal end; and
the management control data means the data associated with work state and device parameters of the system terminal end between the system terminal end and the system access end or the system head end;said system terminal end is configured to, in an uplink direction, transmit service data, access control data and management control data to a coaxial cable media converter (CMC) device; and
, in a downlink direction, receive service data, access control data and management control data;said system access end comprises the CMC device, and said CMC device comprising; a system control module, configured to configure and manage the radio frequency interface module and the classifying-and-forwarding module, and transmit a response frame responsive to an encapsulated C-DOCSIS management message (CDMM) transmitted by said radio frequency interface module; a classifying-and-forwarding module, configured to, in an uplink direction, map a CDT tag to the service label supported by the convergence network and transmit it to the convergence network; and
configured to, in a downlink direction, implement VLAN TAG information stripping for the Ethernet frames of the service data transmitted by the convergence network, implement data stream characteristic matching for said frames, classify the frames according to the matched data stream characteristics, insert a CDT tag to Ethernet frame headers of the service data for identifying a particular service stream of a particular system terminal end, and transmit said service data with the inserted CDT tag to the radio frequency forwarding module;a radio frequency interface module, configured to, in an uplink direction, receive said service data transmitted by said system terminal end, analyze C-DOCSIS frames of said service data, implement VLAN information mapping for the frame data, insert a CDT tag to the Ethernet frame headers of said service data and transmit the service data with the inserted CDT tag to the classifying-and-forwarding module, and then transmit the encapsulated CDMM to the system control module; and
configured to, in a downlink direction, receive said service data transmitted by said classifying-and-forwarding module, identify the system terminal end and the service stream to which said service data belongs according to said CDT tag, implement traffic shaping and scheduling for said service data according to the identified terminal and service stream, and then transmit said service data to said system terminal end;said system head end comprises; a configuration system, configured to provide service opening and device configuration service for said system terminal end, implement the generating and distributing of configuration files, and software upgrade of said system terminal end; a network management system, configured to implement configuration, maintenance and monitoring of network devices; a converging-and-forwarding device, configured to complete access to a metropolitan area network. - View Dependent Claims (20, 21)
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Specification