CN101262448A - IP data packet transmission method and system - Google Patents
IP data packet transmission method and system Download PDFInfo
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- CN101262448A CN101262448A CNA2008101045907A CN200810104590A CN101262448A CN 101262448 A CN101262448 A CN 101262448A CN A2008101045907 A CNA2008101045907 A CN A2008101045907A CN 200810104590 A CN200810104590 A CN 200810104590A CN 101262448 A CN101262448 A CN 101262448A
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Abstract
The invention provides an IP data packet transmission method and a system thereof. The method comprises the following steps: step one, local nodes determine neighbor nodes of upper level and lower level on other nodes; step two, the local nodes receive IP data packets from the neighbor nodes of upper level; step three, the local nodes forward IP data packets to nodes of lower level according to IP address corresponding to the neighbor nodes of lower level and a unique identification on a network link layer; and step four, the local nodes replicate the IP data packets and forward the replicated IP data packets to a playing terminal according to IP address of multicast and the unique identification of the playing terminal of the local nodes on the network link layer. The method and the system of the invention ensures that the network is easy to expand, can execute real-time dynamic connection without manual configuration and improve connection speed as well as playing quality and realize unified playing.
Description
Technical field
The present invention relates to the communications field, relate in particular to IP data pack transmission method and system.
Background technology
Under the situation that location of network nodes and node number often change, be fit to adopt peer-to-peer network, in peer-to-peer network, we often adopt AODV (Ad-hoc On-DemandDistance Vector routing, distance vector route as required), DSR (Dynamic SourceRouting Protocol, dynamic source routing protocol) and FSR (Fisheye State Routing, the flake route) method for routing such as, but under some occasion, for example use PLC (Power LineCommunication, power line communication) the railway car radio network of equipment formation, each PLC equipment physically is linear the connection, said method not only connection speed is slow, also may cause the problem of concealed nodes and exposed node, causes the reduction of network performance.In addition, multicast IP video flowing under peer-to-peer network because each node can't unify to adopt the High Speed Modulation mode, can only be taked relatively more conservative modulator approach, has limited bandwidth, causes frequent packet loss, and the set-top box result of broadcast is bad, and mosaic is serious.
Summary of the invention
One or more problems in view of the above, the present invention proposes a kind of IP data pack transmission method and system, purpose be to make network to be easy to expansion and without manual configuration, carry out connecting in real time dynamically, and improve connection speed, and improve play quality and realize unified the broadcast.
IP data pack transmission method according to one aspect of the invention may further comprise the steps: step S102, this node determine upper level neighbor node and next stage neighbor node in other nodes; Step S104, this node receives the IP packet from the upper level neighbor node; Step S106, this node are forwarded to the next stage node according to IP address and unique identification corresponding to the next stage neighbor node with the IP packet on the network link layer; And step S108, this node duplicates the IP packet, and will duplicate the IP packet that obtains according to multicast ip address and the unique identification that is positioned at the playback terminal of this node send to playback terminal on the network link layer.
Wherein step S102 may further comprise the steps: step S102-2, this node obtain the unique identification and the signal attenuation value of other nodes with respect to this node corresponding to other nodes; Step S102-4, this node is according to signal attenuation value in other nodes the preliminary definite legal neighbor node of other nodes with respect to this node; Step S102-6, this node sends neighbor node data query bag to the legal neighbor node, wherein, comprises in the neighbor node data query bag corresponding to the unique identification of this node with corresponding to the unique identification of legal neighbor node; Step S102-8, legal neighbor node send the reply data bag to this node after receiving neighbor node data query bag, wherein, comprise unique identification corresponding to the legal neighbor node, IP address, an and level jumping figure in the reply data bag; And step S102-10, this node obtains corresponding to the legal neighbor IP addresses of nodes after receiving the reply data bag, and according to the level jumping figure of revising corresponding to the level jumping figure of legal neighbor node corresponding to this node; Repeating step S102-2 is to step S102-10.
Wherein, in step S102-2, collect the signal attenuation value of other nodes of difference corresponding to this node by main frame (Host) message file that reads other nodes.
Wherein, after this node receives the IP packet, this node by check purpose medium access control (Media Access Control is called for short MAC) address in the IP packet, purpose IP address, protocol type, and destination interface determine whether the IP packet is the required IP packet that duplicates and transmit.Unique identification is the MAC Address that is positioned at the Ethernet transmission equipment of this node.
Wherein, step S106 may further comprise the steps: step S106-2, and name a person for a particular job source MAC in the IP packet of this section is revised as MAC Address corresponding to this node; Step S106-4, name a person for a particular job target MAC (Media Access Control) address in the IP packet of this section is revised as MAC Address corresponding to the next stage neighbor node; Step S106-6, IP address corresponding to the next stage neighbor node is revised as in name a person for a particular job purpose IP address in the IP packet of this section; Step S106-8, name a person for a particular job device port descriptor in the IP packet of this section is revised as the descriptor of the designated port of the Ethernet transmission equipment that is positioned at this node; And step S106-10, this node will duplicate the IP packet that obtains with the clean culture form and send to the next stage neighbor node from designated port.
Wherein, step S108 may further comprise the steps: step S108-2, and name a person for a particular job source MAC in the IP packet of this section is revised as MAC Address corresponding to this node; Step S108-4, name a person for a particular job target MAC (Media Access Control) address in the IP packet of this section is revised as MAC Address corresponding to the playback terminal that is positioned at this node; Step S108-6, multicast ip address is revised as in the purpose IP address that this section is named a person for a particular job in the IP packet; Step S108-8, name a person for a particular job device port descriptor in the IP packet of this section is revised as the descriptor of the designated port of the Ethernet transmission equipment that is positioned at this node; And; Step S108-10, this node sends to playback terminal with the IP packet from designated port with the multicast form.
Wherein, the Ethernet transmission equipment is power line communications apparatus or EOC equipment.
IP data packet transmission system according to a further aspect in the invention comprises: determination module is used for upper level neighbor node and next stage neighbor node at definite this node of other nodes; Receiver module is used to receive the IP packet from the upper level neighbor node; Forwarding module is forwarded to the next stage neighbor node according to IP address and unique identification corresponding to the next stage neighbor node with the IP packet on the network link layer; And replication module, duplicate the IP packet, and on the network link layer, will duplicate the IP packet that obtains and send to playback terminal according to multicast ip address and the unique identification that is positioned at the playback terminal of this node.
Wherein, unique identification is to be positioned at the power line communications apparatus of this node or the Media Access Control address of coaxial cable transmission ethernet signal equipment.
By the present invention, make network be easy to expansion, need not manual configuration, can carry out connecting in real time dynamically, and connection speed is fast, is specially adapted to the occasion that network configuration often changes, train video playback network for example, the compartment often gets rid of extension.When streaming media playing, under the bad situation of result of broadcast, utilize clean culture to duplicate forwarding when adopting the multicast transmission data, both improved play quality, realize unified the broadcast again.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of IP data pack transmission method according to an embodiment of the invention;
Fig. 2 is a flow chart of determining upper level neighbor node and next stage neighbor node according to an embodiment of the invention in the IP data pack transmission method;
Fig. 3 be according to an embodiment of the invention in the IP data pack transmission method with the flow chart of IP data packet transmission to the next stage neighbor node;
Fig. 4 is the flow chart that the IP packet is sent in the IP data pack transmission method playback terminal of this node according to an embodiment of the invention;
Fig. 5 is the block diagram of IP data packet transmission system according to another embodiment of the invention;
Fig. 6 is according to another embodiment of the present invention based on the flow chart of the flow media playing method of PLC;
Fig. 7 is a flow chart of realizing detecting peer node network neighbor nodes relation according to another embodiment of the present invention;
Fig. 8 is a flow chart of realizing that according to another embodiment of the present invention the peer node network neighbor nodes is replied and is provided with; And
Fig. 9 is the block diagram of realizing according to another embodiment of the present invention based on the stream media play system of PLC.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
The method that the present invention provides a kind of peer node network to set up by some embodiment can be dynamically and promptly discern neighbor node, establishes a connection, and prepares for next step duplicates and transmit the IP streaming media video data.The present invention also provides the method for duplicating and transmit the IP video stream media, can make playback terminal almost receive IP streaming media video data bag simultaneously, make playback terminal in this local area network (LAN) accomplish audio-visual synchronization in, also improved play quality.
Fig. 1 is the flow chart of IP data pack transmission method according to an embodiment of the invention.As shown in Figure 1, the IP data pack transmission method may further comprise the steps according to an embodiment of the invention:
Step S102, this node according to corresponding to the unique identification of this node, level jumping figure and corresponding to the unique identification of other nodes, level jumping figure, signal attenuation value (that is, other nodes are with respect to the signal attenuation value of this node), and the IP address in other nodes, determine upper level neighbor node and next stage neighbor node;
Step S104, this node receives the IP packet from the upper level neighbor node;
Step S106, this node are forwarded to the next stage node according to IP address and unique identification corresponding to the next stage neighbor node with the IP packet on the network link layer; And
Step S108, this node duplicate the IP packet, and will duplicate the IP packet that obtains according to multicast ip address and the unique identification that is positioned at the playback terminal of this node send to playback terminal on the network link layer.
Fig. 2 is a flow chart of determining upper level neighbor node and next stage neighbor node according to an embodiment of the invention in the IP data pack transmission method.As shown in Figure 2, determine that in step S102 upper level neighbor node and next stage neighbor node specifically may further comprise the steps:
Step S102-2, this node obtain the unique identification and the signal attenuation value of other nodes with respect to this node corresponding to other nodes;
Step S102-4, this node is according to signal attenuation value in other nodes the preliminary definite legal neighbor node of other nodes with respect to this node;
Step S102-6, this node sends neighbor node data query bag to the legal neighbor node, wherein, comprises in the neighbor node data query bag corresponding to the unique identification of this node with corresponding to the unique identification of legal neighbor node;
Step S102-8, legal neighbor node send the reply data bag to this node after receiving neighbor node data query bag, wherein, comprise unique identification corresponding to the legal neighbor node, IP address, an and level jumping figure in the reply data bag; And
Step S102-10, this node obtain corresponding to the legal neighbor IP addresses of nodes after receiving the reply data bag, and according to the level jumping figure of revising corresponding to the level jumping figure of legal neighbor node corresponding to this node;
Repeating step S102-2 is to step S102-10.
Wherein, in step S102-2, collect the signal attenuation value of other nodes corresponding to this node by the host information file that reads other nodes.
Wherein, after this node receives the IP packet, this node by check target MAC (Media Access Control) address in the IP packet, purpose IP address, protocol type, and destination interface determine whether the IP packet is the required IP packet that duplicates and transmit.Unique identification is the MAC Address that is positioned at the Ethernet transmission equipment of this node.
Fig. 3 be according to an embodiment of the invention in the IP data pack transmission method with the flow chart of IP data packet transmission to the next stage neighbor node.As shown in Figure 3, in step S106, the IP data packet transmission specifically be may further comprise the steps to the next stage neighbor node:
Step S106-2, name a person for a particular job source MAC in the IP packet of this section is revised as MAC Address corresponding to this node;
Step S106-4, name a person for a particular job target MAC (Media Access Control) address in the IP packet of this section is revised as MAC Address corresponding to the next stage neighbor node;
Step S106-6, IP address corresponding to the next stage neighbor node is revised as in name a person for a particular job purpose IP address in the IP packet of this section;
Step S106-8, name a person for a particular job device port descriptor in the IP packet of this section is revised as the descriptor of the designated port of the Ethernet transmission equipment that is positioned at this node; And
Step S106-10, this node will duplicate the IP packet that obtains with the clean culture form and send to the next stage neighbor node from designated port.
Fig. 4 is the flow chart that the IP packet is sent in the IP data pack transmission method playback terminal of this node according to an embodiment of the invention.As shown in Figure 4, the playback terminal that the IP packet is sent to this node in step S108 specifically may further comprise the steps:
Step S108-2, name a person for a particular job source MAC in the IP packet of this section is revised as MAC Address corresponding to this node;
Step S108-4, name a person for a particular job target MAC (Media Access Control) address in the IP packet of this section is revised as MAC Address corresponding to the playback terminal that is positioned at this node;
Step S108-6, multicast ip address is revised as in the purpose IP address that this section is named a person for a particular job in the IP packet;
Step S108-8, name a person for a particular job device port descriptor in the IP packet of this section is revised as the descriptor of the designated port of the Ethernet transmission equipment that is positioned at this node; And
Step S108-10, this node sends to playback terminal with the IP packet from designated port with the multicast form.
Wherein, the Ethernet transmission equipment is power line communications apparatus or coaxial cable transmission ethernet signal equipment (Ethernet over COAX is called for short EOC equipment).The IP packet is the IP flow media data packet.
Fig. 5 is the block diagram of IP data packet transmission system according to an embodiment of the invention.As shown in Figure 5, this system comprises: determination module 502 is used for upper level neighbor node and next stage neighbor node at definite this node of other nodes; Receiver module 504 is used to receive the IP packet from the upper level neighbor node; Forwarding module 506 is forwarded to the next stage neighbor node according to IP address and unique identification corresponding to the next stage neighbor node with the IP packet on the network link layer; And replication module 508, duplicate the IP packet, and on the network link layer, will duplicate the IP packet that obtains and send to playback terminal according to multicast ip address and the unique identification that is positioned at the playback terminal of this node.
Wherein, unique identification is the Media Access Control address that is positioned at the Ethernet transmission equipment of this node.The Ethernet transmission equipment is power line communications apparatus or coaxial cable transmission ethernet signal equipment.The IP packet is the IP flow media data packet
According to embodiments of the invention, the method for setting up for a kind of peer node network is provided, comprising: reciprocity Mesh network system is tentatively set up; The identification of Mesh network neighbor nodes; The shaking hands mutually and confirm of neighbor node; And when confirming successfully, establish neighborhood and set up IP information mapping table.
This method is promptly discerned neighbor node by information such as real-time analysis channel, signal strength signal intensity and MAC, carries out shaking hands and confirm each other then, realizes dynamically and fast setting up of node relationships.
According to other embodiment of the present invention, the method for duplicating and transmit clean culture IP streaming media video is provided, comprising: the judgement of IP flow media data packet; The modification of the duplicating of IP flow media data packet, IP packet header and routing iinformation; And the forwarding of IP flow media data packet.
This method is by receiving the packet that sends from the network processing unit driver, judge whether to be flow media data packet from protocol type and port information, if the packet that need duplicate and transmit, just clone the description of packet itself and data management structure, revise forwarding information, rerun the IP verification and.Owing to be in the network link layer, to do direct judgement and copy, do not need data are passed to more than the tcp/ip layer, duplicate with forwarding speed soon, can either accomplish well the audio-visual synchronization of multiple terminals to have improved network transmission performance and streaming media playing quality again.
Fig. 6 is according to another embodiment of the present invention based on the flow chart of the flow media playing method of PLC.As shown in Figure 6, this method comprises:
Step S602 is by inquiry and the neighbor node relation of confirming that the foundation equity is connected;
Step S604 after the affirmation that obtains neighbor node, sends out message informing and duplicates forwarding module; And
Step S606 when being confirmed to be the IP stream medium data that need duplicate and transmit, duplicates and revises packet, and carries out clean culture and multicast forwarding.
Wherein, above-mentioned steps S602 specifically may further comprise the steps:
Step S602-2 after the medium access control preparative layer is finished access, reads the Host message file of each node, collects information such as channel, signal attenuation value and MAC Address;
Step S602-4 relatively finds out two initial neighbor nodes that have the minimum signal attenuation value.When the signal attenuation value of one of them node during greater than the signal attenuation value of maximum neighbor node, think that the node that has this signal attenuation value is not legal neighbor node, this equipment is endpoint node; And
Step S602-6 sends the neighbor node inquiry, asks the other side to confirm whether initial neighbor node is the real neighbor node of oneself.
For can be in real time and set up neighbor node relation dynamically, adapt to and constantly change complicated network environment, every the repetition above-mentioned steps S602-2 in N cycle second to step S602-6.
Duplicating and transmit the IP stream medium data among the above-mentioned steps S606 specifically may further comprise the steps:
Step S606-2 on the network link layer, checks that target MAC (Media Access Control) address, purpose IP address, protocol type and destination interface determine whether the IP stream medium data that duplicates and transmit for required;
Step S606-4, after definite this packet is the stream medium data that will duplicate and transmit, duplicate this packet, source MAC in the IP flow media data packet is changed into the MAC Address of this equipment, target MAC (Media Access Control) address is changed into the MAC Address of the set-top box of this node, purpose IP address is changed into the multicast ip address of Streaming Media, utilize differential technique calculate fast IP and UDP verification thereof and, revise the device port descriptor, directly send to playback terminal at the corresponding levels from the appointed equipment port with the multicast form; If have next stage node and known road next stage IP addresses of nodes, transmit this packet, source MAC in the IP flow media data packet is changed into the MAC Address of this equipment, target MAC (Media Access Control) address is changed into the MAC Address of PLC equipment of the next stage of this node, purpose IP address is changed into the IP address of next stage PLC equipment, utilize differential technique calculate fast IP and UDP verification thereof and, revise the device port descriptor, directly send to the PLC equipment of next stage from the appointed equipment port with the clean culture form.
Fig. 7 is a flow chart of realizing detecting peer node network neighbor nodes relation according to another embodiment of the present invention.As shown in Figure 7, during PLC equipment query information of neighbor nodes, experienced following several state:
Step S702, init state.After the medium access control preparative layer is carried out 802.11 MAC connection, generate the Host message file of each node.Under this state, the level jumping figure default value of device node is 255.
Step S704, the information gathering state.Network has been finished 802.11 shake hands, begins to collect the information of each node, finds out two initial neighbor nodes by the signal attenuation value.When the signal attenuation value of one of them node during greater than the signal attenuation value of maximum neighbor node, think that the node that has this signal attenuation value is not legal neighbor node, this equipment is endpoint node.
Step S706, query State.After finding legal initial information of neighbor nodes, send neighbor node data query bag.If known road legal neighbor IP addresses of nodes then sends inquiry with the clean culture form, otherwise sends inquiry with the forms of broadcasting.Wherein packet comprises following content: the level jumping figure of the MAC Address of this node, IP address and relative current media server node; The level jumping figure of the MAC Address of neighbor node, IP address, relative current media server node.Wherein the IP address of neighbor node is zero under condition of unknown, and the level jumping figure value of neighbor node is 255 under condition of unknown.Repetition 212-213 every N cycle second.
Fig. 8 is a flow chart of realizing that according to another embodiment of the present invention the peer node network neighbor nodes is replied and is provided with.As shown in Figure 8, neighbor node has experienced following several state in the process of receiving the querying node packet and handling:
Step S802, accepting state.Node device is in pending datas such as blocking model accepting state always;
Step S804, the analyzing and processing state.When node device is received the querying node packet, check whether packet is legal, if legal data packet, further check type of data packet, when if type of data packet is neighbor node data query bag, just send neighbor node reply data bag, comprise the level jumping figure of MAC Address, IP address and the relative current media server node of this machine in the reply data bag; If what receive is the notification package of streaming media server, this node is root (Root) node, and the level jumping figure is 0; If during neighbor node reply data bag, take out MAC Address and IP address in the packet, the information of neighbor nodes position of finding this organizational security to stay by MAC Address, add IP information, and level jumping figure according to the neighbor node in the level jumping figure of this machine node and the packet received, the level jumping figure of the level jumping figure of revised version machine node and the neighbor node of reservation, if the node level jumping figure in the packet of receiving is less than this machine node level jumping figure, node in the packet is the left hop of this machine, this machine node level jumping figure increases one, if the node level jumping figure in the packet of receiving is not equal to initial default level jumping figure, and greater than this machine node level jumping figure, node in the packet is the right hop of this machine, the node level jumping figure in the relation table of safeguarding in the packet should increase one.
Fig. 9 is the block diagram of realizing according to another embodiment of the present invention based on the stream media play system of PLC.As shown in Figure 9, this system mainly comprises:
Power line/coaxial 902, train often gets rid of extension, with the power line is being transmission medium when carrying out streaming media playing, and system safeguards easily, need not the professional and gets on the bus and carry out cable maintenance work.
Video server 904 is responsible for reading video file, sends stream medium data to this machine PLC equipment.
PLC transmission equipment 906 connects into reciprocity Mesh network automatically, duplicates and the forwarding stream media data.
Terminal plays equipment 908 can be simple set-top box device, receiving stream media data under particular port, and decoding and broadcast are shown to display terminal.
This system is formed by connecting by power line/coaxial line by each common compartment and broadcast compartment, common compartment comprises PLC transmission equipment, terminal plays equipment (set-top box), and the broadcast compartment comprises PLC transmission equipment, streaming media server and terminal plays equipment (set-top box).It is that root connects that streaming media server is notified the PLC transmission equipment in connected this section compartment, and the PLC transmission equipment in each compartment is set up the neighbor node relation of equity to the mode of step S602-6 with step S602-2.Streaming media server sends the IP streaming media video to the PLC transmission equipment in connected this section compartment with the clean culture form, after this PLC equipment is received clean culture IP Streaming Media, be relayed to the PLC equipment of its next stage, and duplicate IP traffic and be multicasted to terminal plays equipment (set-top box).The PLC equipment of next stage is with same method relaying and duplicate the IP Streaming Media, up to the PLC of end equipment.Terminal PLC equipment only sends to terminal plays equipment (set-top box) with the multicast form, does not make relaying and transmits.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an IP data pack transmission method is characterized in that, may further comprise the steps:
Step S102, this node determine upper level neighbor node and next stage neighbor node in other nodes;
Step S104, described node receives the IP packet from described upper level neighbor node;
Step S106, described node is forwarded to described next stage neighbor node according to IP address and unique identification corresponding to described next stage neighbor node with described IP packet on the network link layer; And
Step S108, described node duplicates described IP packet, and will duplicate the IP packet that obtains according to multicast ip address and the unique identification that is positioned at the playback terminal of described node send to described playback terminal on the network link layer.
2. IP data pack transmission method according to claim 1 is characterized in that, described step S102 may further comprise the steps:
Step S102-2, described node obtain corresponding to the unique identification of described other nodes and described other nodes signal attenuation value with respect to described node;
Step S102-4, described node is according to signal attenuation value in described other nodes the preliminary definite legal neighbor node of described other nodes with respect to described node;
Step S102-6, described node sends neighbor node data query bag to described legal neighbor node, wherein, comprises in the described neighbor node data query bag corresponding to the unique identification of described node with corresponding to the unique identification of described legal neighbor node;
Step S102-8, described legal neighbor node is after receiving described neighbor node data query bag, send the reply data bag to described node, wherein, comprise unique identification corresponding to described legal neighbor node, IP address, an and level jumping figure in the described reply data bag; And
Step S102-10, described node obtains corresponding to described legal neighbor IP addresses of nodes after receiving described reply data bag, and according to the level jumping figure of revising corresponding to the level jumping figure of described legal neighbor node corresponding to described node; Repeating step S102-2 is to step S102-10.
3. IP data pack transmission method according to claim 2 is characterized in that, in described step S102-2, collects the signal attenuation value of described other nodes of difference with respect to described node by the host information file that reads described other nodes.
4. IP data pack transmission method according to claim 1, it is characterized in that, after described node receives described IP packet, described node by check purpose Media Access Control address in the described IP packet, purpose IP address, protocol type, and destination interface determine whether described IP packet is the required IP packet that duplicates and transmit.
5. IP data pack transmission method according to claim 1 is characterized in that, described unique identification is the Media Access Control address that is positioned at the Ethernet transmission equipment of described node.
6. IP data pack transmission method according to claim 5 is characterized in that, described step S106 may further comprise the steps:
Step S106-2, name a person for a particular job source Media Access Control address in the described IP packet of described this section is revised as Media Access Control address corresponding to described node;
Step S106-4, name a person for a particular job purpose Media Access Control address in the described IP packet of described this section is revised as Media Access Control address corresponding to described next stage neighbor node;
Step S106-6, IP address corresponding to described next stage neighbor node is revised as in name a person for a particular job purpose IP address in the described IP packet of described this section;
Step S106-8, name a person for a particular job device port descriptor in the described IP packet of described this section is revised as the descriptor of the designated port of the described Ethernet transmission equipment that is positioned at described node; And
Step S106-10, described node will duplicate the IP packet that obtains and send to described next stage neighbor node from described designated port with the clean culture form.
7. IP data pack transmission method according to claim 5 is characterized in that, described step S108 may further comprise the steps:
Step S108-2, name a person for a particular job source Media Access Control address in the described IP packet of described this section is revised as Media Access Control address corresponding to described node;
Step S108-4, name a person for a particular job purpose Media Access Control address in the described IP packet of described this section is revised as Media Access Control address corresponding to the described playback terminal that is positioned at described node;
Step S108-6, described multicast ip address is revised as in the purpose IP address that described this section is named a person for a particular job in the described IP packet;
Step S108-8, name a person for a particular job device port descriptor in the described IP packet of described this section is revised as the descriptor of the designated port of the described Ethernet transmission equipment that is positioned at described node; And;
Step S108-10, described node sends to described playback terminal with described IP packet from described designated port with the multicast form.
8. according to each described IP data pack transmission method in the claim 1 to 7, it is characterized in that described Ethernet transmission equipment is power line communications apparatus or coaxial cable transmission ethernet signal equipment.
9. an IP data packet transmission system is characterized in that, comprising:
Determination module is used for upper level neighbor node and next stage neighbor node at definite this node of other nodes;
Receiver module is used to receive the IP packet from described upper level neighbor node;
Forwarding module is forwarded to described next stage neighbor node according to IP address and unique identification corresponding to described next stage neighbor node with described IP packet on the network link layer; And
Replication module duplicates described IP packet, and will duplicate the IP packet that obtains according to multicast ip address and the unique identification that is positioned at the playback terminal of described node send to described playback terminal on the network link layer.
10. IP data packet transmission according to claim 9 system is characterized in that, described unique identification is to be positioned at the electric power communication device of described node or the Media Access Control address of coaxial cable transmission ethernet signal equipment.
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| CN104243107A (en) * | 2013-06-06 | 2014-12-24 | 深圳市腾讯计算机系统有限公司 | Data transmission method, device, terminal, server and system |
| CN111934935A (en) * | 2020-08-18 | 2020-11-13 | 成都深思科技有限公司 | High-speed network flow construction method based on session amplification |
| CN114501345A (en) * | 2022-04-15 | 2022-05-13 | 希诺麦田技术（深圳）有限公司 | Group call full duplex realization method, device and system |
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2008
- 2008-04-21 CN CNA2008101045907A patent/CN101262448A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101425976B (en) * | 2008-12-09 | 2011-08-24 | 中兴通讯股份有限公司 | Method for multicast data packet forwarding control |
| CN102387066A (en) * | 2010-08-30 | 2012-03-21 | 索尼公司 | Packet transmission control device, packet transmission control method, and program |
| CN102387066B (en) * | 2010-08-30 | 2017-08-04 | 索尼公司 | Packet transmission control device, data packet sending control method and program |
| CN103636171A (en) * | 2011-07-12 | 2014-03-12 | 古河电气工业株式会社 | Communication apparatus and communication system |
| CN104243107A (en) * | 2013-06-06 | 2014-12-24 | 深圳市腾讯计算机系统有限公司 | Data transmission method, device, terminal, server and system |
| CN111934935A (en) * | 2020-08-18 | 2020-11-13 | 成都深思科技有限公司 | High-speed network flow construction method based on session amplification |
| CN114501345A (en) * | 2022-04-15 | 2022-05-13 | 希诺麦田技术（深圳）有限公司 | Group call full duplex realization method, device and system |
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