CN102833231B - Dynamic Configuration under EoC Mixed cascading pattern - Google Patents
Dynamic Configuration under EoC Mixed cascading pattern Download PDFInfo
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- CN102833231B CN102833231B CN201210271845.5A CN201210271845A CN102833231B CN 102833231 B CN102833231 B CN 102833231B CN 201210271845 A CN201210271845 A CN 201210271845A CN 102833231 B CN102833231 B CN 102833231B
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Abstract
The invention discloses the Dynamic Configuration under EoC Mixed cascading pattern, comprise the steps: 11) HomePNA local side start time, first starting device identifying procedure; 12) BAS Broadband Access Server starts the MAC Address of identifying procedure according to HomePNA local side, and the authentication response sending correspondence confirms whether HomePNA local side allows access; 13) NM server sends configuring request by network management protocol to Docsis local side, Docsis local side, by searching inner corresponding MAC Address mapping table, is located the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and sends configuration management message to this Docsis terminal; 14) Docsis terminal is after receiving configuration management message, and change mode of operation is repeater mode, all messages of transparent transmission; 15) HomePNA local side enters normal mode of operation after receiving configuration successful message, by carrying out alternately with NM server, and the configuration of amendment HomePNA terminal; The present invention can provide automatic system configuration flow process, manually carries out customizing and configuring without the need to network manager.
Description
Technical field
The present invention relates to digital TV field, particularly relate to the Dynamic Configuration under EoC Mixed cascading pattern.
Background technology
Under the background of the integration of three networks, EoC(EthernetoverCable, Ethernet data is by coaxial transmission) technology becomes a kind of major technique that current Broadcast and TV system provides access.Ethernet message is modulated on Cable link by this technology to be transmitted, thus solves the technical problem of data back.
Current typical EoC technology and the frequency range that they use can see table:
General EoC technology relies on EPON/GPON(EthernetPassiveOpticalNetwork, the EPON based on Ethernet mode) return.Its typical network architecture figure is as Fig. 1, and because the bandwidth resources of Cable transmission are large, the constellation shown in Fig. 2 can be used to support, and multiple EoC technology is blended on same cable line transmits, and different EoC technology takies different frequency ranges.
In addition, another application model is also had to be Mixed cascading pattern.In such a mode, first with a kind of EoC access technology A coaxial cable, network signal is delivered to corridor after optical-fiber network to community, and then with another kind of EoC access technology B, completes the transfer of data in corridor.Meanwhile, the signal of EoC technology A is blended on Cable link equally, and the terminal of EoC technology A also can directly be used simultaneously in certain user family.What Fig. 3 showed is the schematic diagram of this type of hybrid network, and in figure, EoC technology A adopts Docsis, EoC technology B to adopt HomePNA.Without loss of generality, this type of combination can be applied to different EoC technology.The present invention is described with the basis that is combined as of continuing to use this EoC technology.
Summary of the invention
Under above-mentioned cascade operation pattern, the terminal due to EoC technology A possesses the relaying mode of operation different with user terminal these two kinds, therefore needs the Dynamic Configuration utilizing the present invention to propose to carry out unified configuration.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Dynamic Configuration under EoC Mixed cascading pattern, comprises the steps:
11) when HomePNA local side starts, first starting device identifying procedure, described HomePNA local side initiates certification access request to Docsis local side, after described Docsis local side receives the certification access request of HomePNA local side, transfer is carried out to certification access request message, sends certification access request to BAS Broadband Access Server;
12) described BAS Broadband Access Server starts the MAC Address of identifying procedure according to described HomePNA local side, and the authentication response sending correspondence confirms whether HomePNA local side allows access, if described HomePNA local side is by certification, BAS Broadband Access Server sends to NM server authentication result;
Described authentication result comprises the MAC Address of HomePNA local side and the IP address of first line of a couplet Docsis local side;
13) described NM server sends configuring request by network management protocol to Docsis local side, Docsis local side, by searching inner corresponding MAC Address mapping table, is located the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and sends configuration management message to this Docsis terminal;
14) described Docsis terminal is after receiving configuration management message, change mode of operation is repeater mode, the all messages of transparent transmission, described Docsis local side enters the rear of repeater mode in described Docsis terminal and sends configuration successful message to described HomePNA local side;
15) described HomePNA local side enters normal mode of operation after receiving configuration successful message, by carrying out alternately with described NM server, and the configuration of amendment HomePNA terminal.
Further, the device authentication flow process of described HomePNA local side comprises the steps:
21) described HomePNA local side closes HomePNA port in the hardware initialization stage;
22), during described HomePNA local side transmitting apparatus authentication request, wait-for-response device authentication message, if authentification failure, send error message, and wait timeout sends after 30 seconds again;
23) if authentication success, then intercept the configuration successful message of step 14), if accept unsuccessfully, then to send error message, and wait timeout reentered step 22 after 30 seconds);
24) if accept successfully, then HomePNA port is opened.
Further, the step of Docsis local side dynamic-configuration Docsis terminal comprises: described NM server sends configuring request by network management protocol to Docsis local side, this request only comprises the MAC Address that needs allow the HomePNA local side of access, described Docsis local side is by searching inner corresponding MAC Address mapping table, locate the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and send configuration management message to this Docsis terminal, described Docsis terminal is after receiving configuration management message, change mode of operation is repeater mode, the all messages of transparent transmission, the first line of a couplet Docsis local side of its correspondence can enter the rear of repeater mode in Docsis terminal and send configuration successful message to HomePNA local side, when the failure of Docsis terminal configuration, Docsis terminal can initiatively send Set_Error message to webmaster, wait webmaster resends.
Beneficial effect of the present invention is to provide automatic system configuration flow process, manually carries out customizing and configuring without the need to network manager.
Accompanying drawing explanation
Fig. 1 is the structure chart of EPON+EOC networking;
Fig. 2 is EoC networking model arranged side by side;
Fig. 3 is EoC Mixed cascading networking model;
Fig. 4 is configuration flow figure of the present invention;
Fig. 5 is that HomePNA starts register flow path;
Fig. 6 is two layer-management message format definition figure;
Fig. 7 is configuration Docsis terminal flow chart.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 3, there are 2 kinds of mode of operations in Docsis terminal in this mode:
Repeater mode
In such a mode, Docsis terminal provides the data path of transparent transmission for HomePNA system, and the configuration of its terminal needs to adopt transparent transmission (Transparent) template configuration.
Transparent template is data penetration transmission template, and data penetration transmission refers to packet and do not make any amendment from entering terminal import to outlet, retains original data format and forwards.
Terminal pattern
In such a mode, Docsis terminal is directly used in subscriber household inside, adopts traditional terminal access (Access) configuration template.
Access template accesses template for user, is generally used to the template of division business, and the port of user terminal is furnished with the vlan mark of miscellaneous service respectively, and the business customized according to user is distributed.
For the configuration of these two kinds of patterns, need the method adopting automatically configuration, the pattern of terminal operating detected by network management system and the method starting Docsis local side distribution configuration command or configuration template realizes.
This application describes a kind of method of the Docsis end template dynamic-configuration by the triggering of HomePNA local side register flow path, and describe the system and device of its correspondence.
DOCSIS terminal and HOMEPNA terminal configuration flow process:
As shown in Figure 4, when HomePNA local side starts, first enter HomePNA local side and start register flow path, send authentication request to access server (BRAS).In the process, the Docsis local side of its first line of a couplet provides authentication proxy to serve, and carries out transfer to message identifying.HomePNA local side initiates certification access request (Accessrequest) to Docsis local side (authentication proxy).DOCSIS local side (authentication proxy) receives the certification access request (Accessrequest) of HomePNA local side, and transfer is carried out to message identifying, send access request (Relay_Accessrequest) to BRAS(BroadbandRemoteAccessServer, BAS Broadband Access Server).BRAS starts identifying procedure and confirms whether HomePNA local side allows access according to the MAC Address of HomePNA local side and corresponding authentication response.
For the HomePNA local side by certification, BRAS sends to NM server authentication result (comprising the MAC Address of HomePNA local side and the IP address of first line of a couplet Docsis local side).
NM server sends configuring request by network management protocol to Docsis local side, and this request only comprises the MAC Address that needs allow the HomePNA local side of access.Docsis local side, by searching inner corresponding MAC Address mapping table, is located the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and sends configuration management message to this Docsis terminal.
Docsis terminal is after receiving configuration management message, and change mode of operation is repeater mode, all messages of transparent transmission.
Now, the first line of a couplet path of HomePNA local side is all got through.The first line of a couplet Docsis local side of its correspondence can enter the rear of repeater mode in Docsis terminal and send configuration successful message (Access_OK) to HomePNA local side.
HomePNA local side enters normal mode of operation after receiving configuration successful message, by carrying out alternately with NM server, and the configuration of amendment HomePNA terminal.
HomePNA local side starts register flow path: HomePNA local side needs to confirm that the Docsis terminal of the first line of a couplet is operated in repeater mode under the mode of operation of Mixed cascading, and then starts EoC access service.Design is in its Booting sequence, add one section of following logic.As shown in Figure 5,
21) described HomePNA local side closes HomePNA port in the hardware initialization stage;
22), during described HomePNA local side transmitting apparatus authentication request, wait-for-response device authentication message, if authentification failure, send error message, and wait timeout sends after 30 seconds again;
23) if authentication success, then intercept the configuration successful message of step 14), if accept unsuccessfully, then to send error message, and wait timeout reentered step 22 after 30 seconds);
24) if accept successfully, then HomePNA port is opened.
Webmaster arranges HomePNA terminal flow process:
As shown in Figure 7, NM server sends configuring request by network management protocol to HomePNA local side, and HomePNA local side searches the terminal equipment of the second line of a couplet, sends to the terminal equipment of the second line of a couplet according to the business demand template of webmaster transmission, when the success of second line of a couplet terminal configuration, terminal normally works.When the failure of second line of a couplet terminal configuration, terminal can initiatively send Set_Error to webmaster, waits for that webmaster resends.
Homepna terminal configuration flow process:
As two-layer equipment, the configuration of EoC terminal generally comprises two parts.First be its correspondence communication protocol configuration, second be its Ethernet interface configuration (as VLAN arrange, speed limit, QoS map etc.).The flow process of its configuration has EoC local side to initiate, and the message of configuration adopts the form of the self-defined administrative message of two layers.Homepna administrative messag defines: the management in homepna system controls the mode that message generally adopts the self-defined management agreement bag of two layers, and the composition of its message content is as Fig. 6.
Lead code: be made up of the preamble of 7 bytes and the SFD of 1 byte
DA: target MAC (Media Access Control) address
SA: source MAC
TYPE: the type codes of Ethernet upper-layer protocol, for the privately owned management agreement of OM, generally can select a type codes be not assigned with to be used, as being defined as 0x9990
DATA: the data message content of encapsulation OM type and administrative messag
FCS: frame check sequence
The type field of the privately owned administrative messag of OMTYPE:OM, generally with 1 byte representation
OMPAYLOAD: the content encapsulating all OM administrative messags
TLV: a kind of mode defining administrative messag content, any one management project is made up of three fields, is type (Type) respectively, and length (Length) and value (Value), referred to as TLV.Such as, the type of definition end template is 1, and length is 1 byte, and value refers to the numbering of template type.
The collocation method of homepna terminal:
Configuration for homepna terminal generally can adopt following several method.
Dynamic-configuration: this collocation method directly to terminal distribution configuration command, and converts control command word to by terminal, is handed down to each system unit and comes into force then and there.The advantage of this method does not need restarting terminal device just can come into force, but shortcoming is the command information of not preserving configuration, all needs to re-issue configuration order at every turn.
Preserve the collocation method of configuration order:
In order to overcome the shortcoming of Dynamic Configuration, terminal hew out one piece can be erasable memory space, for recording configuration order.Time each terminal is restarted, the order of this configuration space automatically can be issued in corresponding system unit and come into force.It should be noted that, because different system units adopts different configuration orders, configuration order between the different vendor of same class parts can be very different, therefore, the portability of this method is bad, once the component vendors of terminal changes, so corresponding configuration order all can need to redefine, and causes the difficulty of maintenance.
Preserve the collocation method that configuration feature definition describes:
What this method was preserved is the description that configuration feature defines, instead of the configuration order of reality.This requires configurating terminal to go to resolve these configuration features and the configuration order being converted into correspondence system parts.Due to these describe and the producer of parts without any relation, change and all complete at terminal inner.Therefore the portability of system can be better.
Homepna administrative messag example:
For some administrative messags above mentioned, further message definition example is as follows:
Docsis local side dynamic-configuration Docsis terminal flow process
As shown in Figure 7, NM server sends configuring request by network management protocol to Docsis local side, and this request only comprises the MAC Address that needs allow the HomePNA local side of access.Docsis local side, by searching inner corresponding MAC Address mapping table, is located the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and sends configuration management message to this Docsis terminal.Docsis terminal is after receiving configuration management message, and change mode of operation is repeater mode, all messages of transparent transmission.Now, the first line of a couplet path of HomePNA local side is all got through.The first line of a couplet Docsis local side of its correspondence can enter the rear of repeater mode in Docsis terminal and send configuration successful message (Access_OK) to HomePNA local side.When the failure of Docsis terminal configuration, Docsis terminal can initiatively send Set_Error message to webmaster, waits for that webmaster resends.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered as in scope.
Claims (3)
1.EoC Ethernet data, by the Dynamic Configuration under coaxial transmission Mixed cascading pattern, is characterized in that, comprises the steps:
11) when HomePNA HPNA Home Phoneline Networking Alliance local side starts, first starting device identifying procedure, described HomePNA local side initiates certification access request to Docsis data over cable service interface specification local side, after described Docsis local side receives the certification access request of HomePNA local side, transfer is carried out to certification access request message, sends certification access request to BAS Broadband Access Server;
12) described BAS Broadband Access Server starts the MAC Address of identifying procedure according to described HomePNA local side, and the authentication response sending correspondence confirms whether HomePNA local side allows access, if described HomePNA local side is by certification, BAS Broadband Access Server sends to NM server authentication result;
Described authentication result comprises the MAC Address of HomePNA local side and the IP address of first line of a couplet Docsis local side;
13) described NM server sends configuring request by network management protocol to Docsis local side, Docsis local side, by searching inner corresponding MAC Address mapping table, is located the Docsis interrupting device MAC Address of this HomePNA local side first line of a couplet and sends configuration management message to this Docsis terminal;
14) described Docsis terminal is after receiving configuration management message, change mode of operation is repeater mode, the all messages of transparent transmission, described Docsis local side enters the rear of repeater mode in described Docsis terminal and sends configuration successful message to described HomePNA local side;
15) described HomePNA local side enters normal mode of operation after receiving configuration successful message, by carrying out alternately with described NM server, and the configuration of amendment HomePNA terminal.
2. the Dynamic Configuration under EoC Mixed cascading pattern according to claim 1, it is characterized in that, the device authentication flow process of described HomePNA local side comprises the steps:
21) described HomePNA local side closes HomePNA port in the hardware starting stage;
22), during described HomePNA local side transmitting apparatus authentication request, wait-for-response device authentication message, if authentification failure, send error message, and wait timeout sends after 30 seconds again;
23) if authentication success, then intercept step 14) configuration successful message, if accept unsuccessfully, then to send error message, and wait timeout reentered step 22 after 30 seconds);
24) if accept successfully, then HomePNA port is opened.
3. the Dynamic Configuration under EoC Mixed cascading pattern according to claim 1, it is characterized in that, the step of Docsis local side dynamic-configuration Docsis terminal comprises: described NM server sends configuring request by network management protocol to Docsis local side, this request only comprises the MAC Address that needs allow the HomePNA local side of access, described Docsis local side is by searching inner corresponding MAC Address mapping table, locate the Docsis terminal equipment MAC Address of this HomePNA local side first line of a couplet and send configuration management message to this Docsis terminal, described Docsis terminal is after receiving configuration management message, change mode of operation is repeater mode, the all messages of transparent transmission, the first line of a couplet Docsis local side of its correspondence can enter the rear of repeater mode in Docsis terminal and send configuration successful message to HomePNA local side, when the failure of Docsis terminal configuration, Docsis terminal can initiatively send Set_Error message to webmaster, wait webmaster resends.
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| CN104601481B (en) * | 2013-10-30 | 2018-02-16 | 中国科学院声学研究所 | A kind of flow allocation method in multichannel access network |
| CN111756570A (en) * | 2017-02-15 | 2020-10-09 | 金钱猫科技股份有限公司 | Method and system for positioning fault terminal in EOC network |
| CN106850302B (en) * | 2017-02-15 | 2019-11-08 | 金钱猫科技股份有限公司 | A kind of method of multimode management under polymorphic EOC local side |
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