CN109714706A - A kind of view connected network communication method and apparatus - Google Patents

A kind of view connected network communication method and apparatus Download PDF

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Publication number
CN109714706A
CN109714706A CN201910002633.9A CN201910002633A CN109714706A CN 109714706 A CN109714706 A CN 109714706A CN 201910002633 A CN201910002633 A CN 201910002633A CN 109714706 A CN109714706 A CN 109714706A
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node
networked terminals
level node
target
level
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CN109714706B (en
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韩杰
殷新
王艳辉
杨春晖
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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Abstract

The embodiment of the invention provides a kind of view connected network communication method and apparatus.This method comprises: the first view networked terminals search target second level node;Target second level node is established the link with described first depending on networked terminals;The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second identifier information of the second view networked terminals;Target second level node forwards the second identifier information to the first order node of access;The first order node of the access is based on the inbound information, determines forwarding second level node identification and transfer sequence between the first view networked terminals and the second view networked terminals;The first view networked terminals are based on the transfer sequence and are communicated with described second depending on networked terminals by the corresponding forwarding second level node of forwarding second level node identification.It avoids that communication delay is big, mitigates the communication pressure of first order node.

Description

A kind of view connected network communication method and apparatus
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of view connected network communication method and apparatus.
Background technique
Depending on networking can be realized the whole network high resolution audio and video in real time, quickly transmission etc., therefore, be widely used.
Currently, being stored with relatively-stationary static information table in each node of space-based network, had recorded in static information table Corresponding each first as child node of the node regards networked terminals, and each node in space-based network only allows its static information The first view networked terminals access in table, then realizes that the first view of difference is networked by the forwarding of node each in space-based network Communication between terminal.
Inventor has found that above-mentioned prior art has the following disadvantages: in the prior art, as day in the course of the research The satellite of each node in base net is movement, so that the first view of each node and its child node is networked in space-based network The distance between terminal meeting dynamic change, each first view networked terminals are corresponding according further to relatively-stationary static information table Space-based network node is communicated, when will lead to the first view networked terminals apart from corresponding space-based network nodal distance farther out, and causing Prolong increase, is unfavorable for the real time communication of each first view networked terminals.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind A kind of view connected network communication method and apparatus to solve the above problems.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of method for regarding connected network communication, the method applications In view network, it is described view networking include: space-based network, first view networked terminals, second regard networked terminals;The space-based network includes: Space-based backbone network, space-based access net;The space-based backbone network includes: first order node;The space-based access net includes: the second level Node;The first order node is stored with the inbound information of all second level nodes and all access view networked terminals;The side Method includes:
When being greater than the first pre-determined distance at a distance from the second level node of the first view networked terminals with access, described the One view networked terminals search target second level node;Target second level node is positioned at the first view networked terminals first In the geographic area of preset range, and bandwidth is more than the second level node of the first pre-set bandwidths threshold value;
The first view networked terminals send the first networking request to target second level node;
Target second level node is based on the first networking request, establishes the link with described first depending on networked terminals, And first identifier information and the institute of the first view networked terminals are written in the multidate information table of target second level node State the location information of the first view networked terminals;
The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second view networking The second identifier information of terminal;
When the second identifier information being not present in the multidate information table, target second level node is to access First order node forwards the second identifier information;
The first order node of the access is based on the inbound information, determines the first view networked terminals and described second Depending on the forwarding second level node identification and transfer sequence between networked terminals;
The first order node of the access regards networked terminals and sends institute by target second level node, Xiang Suoshu first State forwarding second level node identification and transfer sequence;
The first view networked terminals are based on the transfer sequence, by corresponding turn of node identification of the forwarding second level Second level node is sent out, is communicated with described second depending on networked terminals.
Optionally, the method also includes: be greater than at a distance from first order node of the second level node with access the When two pre-determined distances, the second level node checks target first order node;The target first order node is positioned at described the In the geographic area of the second preset range of two-level node, and bandwidth is more than the first order node of the second pre-set bandwidths threshold value;
The second level node sends the second networking request to the target first order node;
The target first order node is based on the second networking request, establishes the link with the second level node.
Optionally, described that the first view networked terminals are written in the multidate information table of target second level node After first identifier information, further includes:
Updated multidate information table is sent to the access of target second level node by target second level node First order node.
Optionally, it is also wrapped in the multidate information table of target second level node there are when the second identifier information It includes:
The first view networked terminals are based on the link, are communicated with described second depending on networked terminals.
Optionally, the inbound information includes: the position of the multidate information table of all second level nodes, all second level nodes The location information of confidence breath and all access view networked terminals;
The first order node of the access is based on the inbound information, determines the first view networked terminals and described second Depending on the forwarding second level node identification and transfer sequence between networked terminals, comprising:
Multidate information table, all second level node of the first order node of the access based on all second level nodes Location information and it is all access view networked terminals location information, determine it is described first view networked terminals and it is described second view join Between network termination, apart from shortest forwarding second level node identification and transfer sequence.
Another aspect of the present invention also provides a kind of view networked communication device, and described device is applied to view networking, the view Networking includes: space-based network, the first view networked terminals, the second view networked terminals;The space-based network includes: space-based backbone network, space-based Access net;The space-based backbone network includes: first order node;The space-based access net includes: second level node;The first order Node is stored with the inbound information of all second level nodes and all access view networked terminals;Described device includes:
Target second level node checks module, for it is described first view networked terminals and access second level node away from When from being greater than the first pre-determined distance, the first view networked terminals search target second level node;Target second level node For in the geographic area of the first view first preset range of networked terminals, and bandwidth is more than the first pre-set bandwidths threshold value Second level node;
First networking request sending module sends the to target second level node for the first view networked terminals One, which networks, requests;
Module is established in first link, is based on described first for target second level node and is networked request, with described the One establishes the link depending on networked terminals, and the first view networking is written eventually in the multidate information table of target second level node The location information of the first identifier information at end and the first view networked terminals;
Second identifier information sending module is based on the link, Xiang Suoshu target for the first view networked terminals Two-level node sends the second identifier information of the second view networked terminals;
Second identifier information forwarding module, when for the second identifier information to be not present in the multidate information table, Target second level node forwards the second identifier information to the first order node of access;
Transfer sequence determining module, the first order node for the access are based on the inbound information, determine described the Forwarding second level node identification and transfer sequence between one view networked terminals and the second view networked terminals;
Transfer sequence sending module, the first order node for the access is by target second level node, to institute It states the first view networked terminals and sends the forwarding second level node identification and transfer sequence;
First communication module is based on the transfer sequence for the first view networked terminals, passes through the forwarding second The corresponding forwarding second level node of grade node identification, is communicated with described second depending on networked terminals.
Optionally, described device further include:
Target first order node checks module, for big at a distance from first order node of the second level node with access When the second pre-determined distance, the second level node checks target first order node;The target first order node is positioned at institute In the geographic area for stating the second preset range of second level node, and bandwidth is more than the first order node of the second pre-set bandwidths threshold value;
Second networking request sending module sends second to the target first order node for the second level node and enters Net request;
Module is established in second link, is based on described second for the target first order node and is networked request, with described the Two-level node establishes the link.
Optionally, described device further include:
Updated multidate information table is sent to institute for target second level node by multidate information table sending module State the first order node of target second level node access.
Optionally, it is also wrapped in the multidate information table of target second level node there are when the second identifier information It includes:
Second communication module is based on the link for the first view networked terminals, with the second view networked terminals It is communicated.
Optionally, the inbound information includes: the position of the multidate information table of all second level nodes, all second level nodes The location information of confidence breath and all access view networked terminals;
The transfer sequence determining module includes:
Transfer sequence determination unit, the first order node for the access is based on the dynamic of all second level nodes The location information of information table, the location information of all second level nodes and all access view networked terminals, determines first view Between networked terminals and the second view networked terminals, apart from shortest forwarding second level node identification and transfer sequence.
The embodiment of the present invention includes following advantages: the method be applied to view networking, it is described view network include: space-based network, First view networked terminals, the second view networked terminals;The space-based network includes: space-based backbone network, space-based access net;The space-based bone Dry net includes: first order node;The space-based access net includes: second level node;The first order node is stored with all The inbound information of two-level node and all access view networked terminals;In the second level node of the first view networked terminals and access Distance be greater than the first pre-determined distance when, it is described first view networked terminals search target second level node;The target second level Node is in the geographic area of the first view first preset range of networked terminals, and bandwidth is more than the first pre-set bandwidths threshold The second level node of value;The first view networked terminals send the first networking request to target second level node;The mesh It marks second level node and is based on described first and network request, established the link with described first depending on networked terminals, and in the target the The first identifier information that the first view networked terminals are written in the multidate information table of two-level node and the first view networking are eventually The location information at end;The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends described second Depending on the second identifier information of networked terminals;When the second identifier information being not present in the multidate information table, the target Second level node forwards the second identifier information to the first order node of access;The first order node of the access is based on described Inbound information, determine it is described first view networked terminals and it is described second view networked terminals between forwarding second level node identification and Transfer sequence;The first order node of the access is regarded networked terminals and is sent by target second level node, Xiang Suoshu first The forwarding second level node identification and transfer sequence;The first view networked terminals are based on the transfer sequence, by described The corresponding forwarding second level node of second level node identification is forwarded, is communicated with described second depending on networked terminals.In the first view When networked terminals are greater than the first pre-determined distance at a distance from the second level node of access, the first view networked terminals search be located at this In the geographic area of one view the first preset range of networked terminals, and bandwidth is more than the target second level section of the first pre-set bandwidths threshold value Point accesses the target second level node, in the second level during joint movements, it is ensured that above-mentioned first can depending on networked terminals Access is avoided away from the good target second level node of nearest and bandwidth performance since second level joint movements are led in real time The big problem of communication delay between the second level node of cause and the first view networked terminals;Meanwhile in the dynamic of target second level node When second identifier information being not present in state information table, i.e., target second level node is not the first view networked terminals and the second view networking When the common parent of terminal, target second level node by second depending on networked terminals second identifier information be sent to its access First order node is stored with the inbound information of all second level nodes and all access view networked terminals in first order node, connects The first order node entered is based on the inbound information, determines the forwarding second between the first view networked terminals and the second view networked terminals Grade node identification and transfer sequence, the first order node of access are sent by target second level node to the first view networked terminals Second level node identification and transfer sequence are forwarded, the first view networked terminals are based on the transfer sequence, by forwarding second level node Identify corresponding forwarding second level node, communicated with second depending on networked terminals, not by above-mentioned first order node into Row communication, can mitigate the communication pressure of first order node.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention;
Fig. 2 is a kind of hardware structural diagram of node server of the invention;
Fig. 3 is a kind of hardware structural diagram of access switch of the invention;
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway;
Fig. 5 is a kind of structural schematic diagram of view networking of the embodiment of the present invention;
Fig. 6 is a kind of corresponding view networked entity structural schematic diagram of Fig. 5
Fig. 7 is a kind of step flow chart of view connected network communication method of the invention;
Fig. 8 is the step flow chart of another view connected network communication method of the invention;
Fig. 9 is a kind of structural block diagram of the device of view connected network communication of the embodiment of the present invention;
Figure 10 is the structural block diagram of the device of another view connected network communication of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can form view networking;Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or National net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array Module 204;
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202;Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet; And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206;If the queue of pack buffer 206 is close It is full, then it abandons;All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions It is less than to send caching;2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including The operation such as initialization, read-write to hard disk;CPU module 203 is mainly responsible between access switch, terminal (not shown) Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304;
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305;Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon;Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303;The data packet that CPU module 204 is come in enters switching engine Module 303;Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet; If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, It abandons;If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1) It is less than that the port sends caching;2) the queue package counting facility is greater than zero;3) token that rate control module generates is obtained;
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded: 1) it is less than to send caching for the port;2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405;Packet detection module 405 is examined Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id);Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410 (2byte), and enter corresponding receive and cache, otherwise abandon;
Downstream network interface module 401 detects the transmission caching of the port, if there is Bao Ze is according to the view of packet networking purpose Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module;For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module;Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module;Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module;Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
DA SA Reserved Payload CRC
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address;
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA);
Reserve bytes are made of 2 bytes;
The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly;
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
DA SA Reserved Label Payload CRC
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it is whole in the first view networking When holding at a distance from the second level node of access greater than the first pre-determined distance, the first view networked terminals lookup is located at first view and joins In the geographic area of the first preset range of network termination, and bandwidth is more than the target second level node of the first pre-set bandwidths threshold value, is connect Enter the target second level node, in the second level during joint movements, it is ensured that above-mentioned first can be real-time depending on networked terminals Access away from the good target second level node of nearest and bandwidth performance, avoid as caused by the joint movements of the second level The big problem of communication delay between second level node and the first view networked terminals;Meanwhile believing in the dynamic of target second level node It ceases there is no when second identifier information in table, i.e., target second level node is not the first view networked terminals and the second view networked terminals Common parent when, target second level node by second depending on networked terminals second identifier information be sent to its access first Grade node is stored with the inbound information of all second level nodes and all access view networked terminals in first order node, access First order node is based on the inbound information, determines that the forwarding second level between the first view networked terminals and the second view networked terminals is saved Point identification and transfer sequence, the first order node of access send forwarding to the first view networked terminals by target second level node Second level node identification and transfer sequence, the first view networked terminals are based on the transfer sequence, by forwarding second level node identification Corresponding forwarding second level node, is communicated with second depending on networked terminals, is led to not by above-mentioned first order node Letter, can mitigate the communication pressure of first order node.
Referring to Fig. 5, it is a kind of structural schematic diagram of view networking of the embodiment of the present invention, is the corresponding one kind of Fig. 5 referring to Fig. 6 Depending on networked entity structural schematic diagram.This may include space-based network 501, the first view view networking of networked terminals 5031, second depending on networking Terminal 5032.First to regard networked terminals 5031 can be any one view networked terminals for this, this second can depending on networked terminals 5032 Think any one view networked terminals in addition to the first view networked terminals 5031.Space-based network 501 may include space-based backbone network 5011, space-based accesses net 5012, and space-based backbone network 5011 may include first order node, and space-based access net 5012 may include the Two-level node, first order node are stored with the inbound information of all second level nodes and all access view networked terminals.
It is understood that above-mentioned depending on view networking association can be passed through between networked terminals, second level node, first order node View carries out data interaction.In embodiments of the present invention, this is not especially limited.
It is a kind of step flow chart of view connected network communication method of the invention referring to Fig. 7, this method can be applied to view connection In net, this may include: that space-based network 501, first regards networked terminals, the second view networked terminals depending on networking;The space-based network can wrap It includes: space-based backbone network 5011, space-based access net 5012;Space-based backbone network may include: first order node;Space-based accesses net 5012 It may include: second level node;First order node is stored with the networking of all second level nodes and all access view networked terminals Information, the first order node and second level node in embodiments of the present invention can specifically not limit this for telecommunication satellite It is fixed.
In embodiments of the present invention, optionally, space-based backbone network may include 6 first order nodes, that is, the space-based backbone Net can be made of 6 telecommunication satellites, wherein for 2 first order nodes as root node server, each root node server can It, can be with so that a root node server 2 first order nodes corresponding with its to respectively correspond 2 first order nodes Realize the communication overlay in the whole world.Meanwhile a root node server 2 first order nodes corresponding with its, it can be used as in addition The replacement of one root node server, 2 first order nodes corresponding with its, 2 corresponding with its in a root node server When first order node exception, global communication can be provided by another root node server 2 first order nodes corresponding with its Service.In embodiments of the present invention, this is not especially limited.
This method can specifically include step 701-708:
Step 701: being regarded described first and be greater than the first pre-determined distance at a distance from second level node of the networked terminals with access When, the first view networked terminals search target second level node;Target second level node is positioned at the first view connection In the geographic area of the first preset range of network termination, and bandwidth is more than the second level node of the first pre-set bandwidths threshold value.
In embodiments of the present invention, first regard networked terminals can be any one view networked terminals, this first be networking Terminal in embodiments of the present invention can be not especially limited this for view networked server or single view networked terminals etc.. For example, referring to Fig. 5 or Fig. 6, first to regard networked terminals can be view networked terminals 5031 for this.
In embodiments of the present invention, it is greater than first at a distance from the second level node of access in the first view networked terminals 5031 When pre-determined distance, first can search target second level node 50121 depending on networked terminals, which can Think and be located in the geographic area of the first view 5,031 first preset range of networked terminals, and bandwidth is more than the first pre-set bandwidths threshold The second level node of value.
In embodiments of the present invention, first preset range, the first pre-set bandwidths threshold value can carry out according to actual needs Setting, in embodiments of the present invention, is not especially limited this.
For example, above-mentioned example is directed to, if the first view networked terminals 5031 are big at a distance from the second level node 50121 of access When the first pre-determined distance, first can search target second node 50122 depending on networked terminals 5031, the target second level node 50122 can be in the first view preset geographic area of networked terminals 5,031 first, and bandwidth be more than the first default band The second level node of wide threshold value.That is, second level node 50121 move to apart from this first depending on networked terminals 5031 apart from being greater than When the first pre-determined distance, this first can search depending on networked terminals 5031 and be closer with it, and bandwidth preferably target second Grade node 50122.
In embodiments of the present invention, optionally, a second level node can access multiple view networked terminals, for example, one A second level node can access 512 view networked terminals etc., in embodiments of the present invention, be not especially limited to this.
Step 702: the first view networked terminals send the first networking request to target second level node.
In embodiments of the present invention, first the first networking request can be sent to target second level node depending on networked terminals. The first networking request may include the first identifier information etc. of the first view connection terminal.The first identifier letter of first view networked terminals Breath can be the identity information etc. that can identify the first view networked terminals.In embodiments of the present invention, this is not limited specifically It is fixed.
For above-mentioned example, then first can enter depending on networked terminals 5031 to the transmission of target second level node 51,222 first Net request.The first networking request may include the identification information etc. of the first view connection terminal.This first can depending on networked terminals 5031 To send the first networking request to target second level node 51222 based on view networking protocol.In embodiments of the present invention, not to this Make specific limit.
Step 703: target second level node is based on the first networking request, builds with described first depending on networked terminals Vertical link, and the described first first identifier letter for regarding networked terminals is written in the multidate information table of target second level node The location information of breath and the first view networked terminals.
In embodiments of the present invention, multidate information table has can be set in each second level node, in the multidate information table It can store identification information, the location information etc. of the view networked terminals of access.Target second level node can based on this first Network request, first establishes the link depending on networked terminals with this, and this is written in the multidate information table of the target second level node The location information of the first identifier information of first view networked terminals and the first view networked terminals.
For above-mentioned example, target second level node 51222 can be based on the first networking request, eventually with the first view networking End 5031 establishes the link, and the first view networked terminals 5031 are written in target second level node 51222 in its multidate information table The location information etc. of first identifier information and the first view networked terminals 5031.
In embodiments of the present invention, first depending on networked terminals while target second level node establishes the link or it Afterwards, in order to avoid wasting of resources etc., first can disconnect its linking between aforementioned second level node depending on networked terminals.Together When, the second level node of aforementioned link can delete the first identifier letter of the first view networked terminals from its multidate information table Breath.In embodiments of the present invention, this is not especially limited.
For example, being directed to above-mentioned example, target second level node 51222 establishes the link with first depending on networked terminals 5031 same When or later, first depending on networked terminals 5031 can with its aforementioned second level node 50121 established the link, break link, And then avoid the wasting of resources.Meanwhile second level node 50121 can delete the first view networked terminals from its multidate information table First identifier information, and then guarantee multidate information table in store newest information.
Step 704: the first view networked terminals are based on the link, and Xiang Suoshu target second level node sends described the The second identifier information of two view networked terminals.
In embodiments of the present invention, second regard networked terminals can as except it is above-mentioned first view networked terminals in addition to, first view Networked terminals view networked terminals to be communicated.For example, referring to shown in Fig. 5 or Fig. 6, second to regard networked terminals can be view networking for this Terminal 5032.
In embodiments of the present invention, first it can be based on the link depending on networked terminals, sends the to target second level node The second identifier information of two view networked terminals.The second identifier information equally can be that can characterize the second view networked terminals identity Relevant information etc..In embodiments of the present invention, this is not especially limited.
For above-mentioned example, first can be based on the link depending on networked terminals 5031, send out to target second level node 50122 Send the second identifier information of the second view networked terminals 5032.This first depending on networked terminals 5031 can be based on the link, based on view Networking protocol sends the second identifier information of the second view networked terminals 5032 to target second level node 50122.Of the invention real It applies in example, this is not especially limited.
Step 705: when the second identifier information being not present in the multidate information table, target second level node The second identifier information is forwarded to the first order node of access.
In embodiments of the present invention, target second level node can search second identifier letter in its multidate information table Breath, when the second identifier information being not present in multidate information table, target second level node can be to the first order node of access Send second identifier information.
For example, it is directed to above-mentioned example, and if the first order node that target second level node 50122 accesses is 50111, target the Two-level node 50122 can search the second identifier information in its multidate information table, in multidate information table there is no this When two identification informations, target second level node 50122 can send the second view networked terminals to the first order node 50111 of access 5032 second identifier information.
In embodiments of the present invention, optionally, each second level node and the first order node accessed with it can be based on It is communicated depending on networking protocol or internet protocol-based, in embodiments of the present invention, this is not especially limited.For example, needle To above-mentioned example, target second level node 50122 can be sent based on view networking protocol to the first order node 50111 of access Second identifier information.
Step 706: the first order node of the access be based on the inbound information, determine it is described first view networked terminals with Forwarding second level node identification and transfer sequence between the second view networked terminals.
In embodiments of the present invention, the first order node of access is based on above-mentioned inbound information, determines the first view networked terminals With the forwarding second level node identification and transfer sequence between the second view networked terminals.That is, the of the access of target second level node First nodes can be based on above-mentioned inbound information, can determine logical between the first view networked terminals and the second view networked terminals Believe path, that is, the addressing of the view networked terminals of access may be implemented in the first order node.The communication path may include forwarding Two-level node mark and transfer sequence, the second level node identification can be believed for that can characterize the related of second level node identities Breath, in embodiments of the present invention, is not especially limited this.
In embodiments of the present invention, it may be implemented to forward between each second level node, and then can not have to by above-mentioned First order node, and then realize and be located at realizing depending on networked terminals by the forwarding of second level node under different second level nodes Communication.
For example, it is directed to above-mentioned example, and if the first order node that target second level node 50122 accesses is 50111, target the Two-level node 50122 can search the second identifier information in its multidate information table, in multidate information table there is no this When two identification informations, target second level node 50122 can send the second view networked terminals to the first order node 50111 of access 5032 second identifier information.First order node 50111 can determine the first view networked terminals based on the inbound information of its storage 5031 and second depending between networked terminals 5032 forwarding second level node identification and transfer sequence can be with are as follows: second level node 50122 are forwarded to second level node 50121, and second level node 50121 is forwarded to the of the second view networked terminals 5032 access again Two-level node 50123, then the second view networked terminals 5032 are transmitted to by second level node 50123.Alternatively, first order node 50111 can be determined between the first view networked terminals 5031 and the second view networked terminals 5032 based on the inbound information of its storage Forwarding second level node identification and transfer sequence can be with are as follows: second level node 50122 is forwarded to the second view networked terminals 5032 The second level node 50123 of access, then the second view networked terminals 5032 are transmitted to by second level node 50123.Of the invention real It applies in example and this is not especially limited.
In embodiments of the present invention, all second level sections can store in the inbound information of each first order node storage The mark etc. of location information of point etc. and the second level node of all access view networked terminals accesses.Target second level section The first order node of point access can be according between target second level node and the second level node of the second view networked terminals access Distance etc., determine whether be forwarded by other second level nodes between two second level nodes.In the embodiment of the present invention In this is not especially limited.
For example, being directed to above-mentioned example, first order node 50111 can first determine the based on the inbound information of its storage The second level node 50123 that two view networked terminals 5032 access determines target second level node from above-mentioned inbound information The distance between 50122 and second level node 50123 etc., according to target second level node 50122 and second level node 50123 it Between distance etc. determine, whether by other second level nodes between target second level node 50122 and second level node 50123 It is forwarded.This is not especially limited in embodiments of the present invention.
Step 707: the first order node of the access is by target second level node, and the networking of the view of Xiang Suoshu first is eventually End sends the forwarding second level node identification and transfer sequence.
In embodiments of the present invention, the first order node of access can be by the target second level node, to the first view connection Network termination sends forwarding second level node identification and transfer sequence.
For example, being directed to above-mentioned example, inbound information of the first order node 50111 based on its storage determines that the first view is networked Terminal 5031 and second depending between networked terminals 5032 forwarding second level node identification and transfer sequence can be with are as follows: second level section Point 50122 is forwarded to second level node 50121, and second level node 50121 is forwarded to the access of the second view networked terminals 5032 again Second level node 50123, then the second view networked terminals 5032 are transmitted to by second level node 50123.Then, first order node 50111 can send above-mentioned forwarding second level node mark depending on networked terminals 5031 to first by target second level node 50122 Knowledge and transfer sequence etc..
Step 708: the first view networked terminals are based on the transfer sequence, pass through forwarding second level node identification Corresponding forwarding second level node, is communicated with described second depending on networked terminals.
In embodiments of the present invention, first it can be based on above-mentioned transfer sequence depending on networked terminals, passes through above-mentioned forwarding second The corresponding forwarding second level node of grade node identification, is communicated with second depending on networked terminals.
For example, being directed to above-mentioned example, inbound information of the first order node 50111 based on its storage determines that the first view is networked Terminal 5031 and second depending between networked terminals 5032 forwarding second level node identification and transfer sequence can be with are as follows: second level section Point 50122 is forwarded to second level node 50121, and second level node 50121 is forwarded to the access of the second view networked terminals 5032 again Second level node 50123, then the second view networked terminals 5032 are transmitted to by second level node 50123.Then, the first view networked terminals 5031 can be based on above-mentioned transfer sequence, such as by above-mentioned forwarding second level node: second level node 50122, second level node 50121, second level node 50123 is communicated with second depending on connection terminal 5032.That is, for accessing different second level nodes It is to have passed through second level node 50122, second level node for first view networked terminals 5031 and the second view connection terminal 5032 50121, the forwarding between second level node 50123, and then communication is realized, first order node 50111 has only determined forwarding Second level node identification and transfer sequence participate in the first view networked terminals 5031 and the second view connection terminal there is no specific Communication between 5032, and then the communication pressure of first order node 50111 can be mitigated, while first order node 50111 is not There is the specific communication participated between the first view networked terminals 5031 and the second view connection terminal 5032, and then can reduce due to first Communication delay caused by the specific participation of grade node 50111.
In the embodiment of the present invention, the method be applied to view networking, it is described view networking include: space-based network, first view network Terminal, the second view networked terminals;The space-based network includes: space-based backbone network, space-based access net;The space-based backbone network includes: First order node;The space-based access net includes: second level node;The first order node be stored with all second level nodes and The inbound information of all access view networked terminals;Described first depending on being greater than at a distance from second level node of the networked terminals with access When the first pre-determined distance, the first view networked terminals search target second level node;Target second level node be positioned at In the geographic area of first view, first preset range of networked terminals, and bandwidth is more than the second level of the first pre-set bandwidths threshold value Node;The first view networked terminals send the first networking request to target second level node;The target second level section Point networks based on described first and requests, and establishes the link with described first depending on networked terminals, and in target second level node The first identifier information of the first view networked terminals and the position letter of the first view networked terminals are written in multidate information table Breath;The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second view networked terminals Second identifier information;When the second identifier information being not present in the multidate information table, target second level node The second identifier information is forwarded to the first order node of access;The first order node of the access is based on the inbound information, Determine the forwarding second level node identification and transfer sequence between the first view networked terminals and the second view networked terminals; By target second level node, Xiang Suoshu first regards networked terminals and sends the forwarding the first order node of the access Two-level node mark and transfer sequence;The first view networked terminals are based on the transfer sequence, pass through the forwarding second level The corresponding forwarding second level node of node identification, is communicated with described second depending on networked terminals.First view networked terminals with When the distance of the second level node of access is greater than the first pre-determined distance, the first view networked terminals, which are searched, is located at the first view networking eventually In the geographic area for holding the first preset range, and bandwidth is more than the target second level node of the first pre-set bandwidths threshold value, and access should Target second level node, in the second level during joint movements, it is ensured that above-mentioned first can connect in real time depending on networked terminals Enter away from the good target second level node of nearest and bandwidth performance, avoids second as caused by the joint movements of the second level The big problem of communication delay between grade node and the first view networked terminals;Meanwhile in the multidate information table of target second level node In be not present second identifier information when, i.e., target second level node is not first depending on networked terminals and the second being total to depending on networked terminals When with father node, target second level node is sent to the first order section of its access by second depending on the second identifier information of networked terminals Point, is stored with the inbound information of all second level nodes and all access view networked terminals in first order node, and the first of access Grade node is based on the inbound information, determines the forwarding second level node mark between the first view networked terminals and the second view networked terminals Know and transfer sequence, the first order node of access send forwarding second to the first view networked terminals by target second level node Grade node identification and transfer sequence, the first view networked terminals are based on the transfer sequence, corresponding by forwarding second level node identification Forwarding second level node, communicated with second depending on networked terminals, communicated not by above-mentioned first order node, can To mitigate the communication pressure of first order node.
It is the step flow chart of another view connected network communication method of the invention referring to Fig. 8, this method can be applied to It states in view networking, about the associated description of view networking, is referred to above-mentioned related record, in order to avoid repeating, herein no longer It repeats.It can specifically include step 801-813:
Step 801: when being greater than the second pre-determined distance at a distance from first order node of the second level node with access, institute State second level node checks target first order node;The target first order node is default positioned at the second level node second In the geographic area of range, and bandwidth is more than the first order node of the second pre-set bandwidths threshold value.
In embodiments of the present invention, the second pre-determined distance is greater than at a distance from the first order node in second level node with access When, second level node can search target first order node, and target first order node is to preset model positioned at second level node second In the geographic area enclosed, and bandwidth is more than the first order node of the second pre-set bandwidths threshold value.Second preset range, second are preset Bandwidth threshold can be set according to the actual situation, in inventive embodiments, be not especially limited to this.
In embodiments of the present invention, it all can be communicated for example, referring to Fig. 5 or Fig. 6, first order node and second level node Satellite, above-mentioned first order node and second level node during the motion, the first order of node 50122 and access in the second level When the distance of node 50112 is greater than the second pre-determined distance, second level node 50122 can search target first order node 50111, The target first order node 50111 can be in the geographic area of 50,122 second preset range of second level node, and band The wide first order node more than the second pre-set bandwidths threshold value.
Step 802: the second level node sends the second networking request to the target first order node.
In embodiments of the present invention, second level node can send the second networking request to target first order node.This Two networking requests may include the mark etc. of the second level node, which can be based on view networking protocol or internet Agreement sends the second networking request to target first order node.In embodiments of the present invention, this is not especially limited.
For above-mentioned example, it is pre- to be greater than second at a distance from the first order node 50112 of access in second level node 50122 If apart from when, second level node 50122 can search target first order node 50111, which can be with For in the geographic area of 50,122 second preset range of second level node, and bandwidth is more than the second pre-set bandwidths threshold value First order node.Second level node 50122 can send the second networking request to target first order node 50111.
Step 803: the target first order node is based on the second networking request, establishes chain with the second level node It connects.
In embodiments of the present invention, target first order node can be based on the second networking request, with the second level node It establishes the link.
For example, being directed to above-mentioned example, target first order node 50111 can be based on the second networking request, with the second level Node 50122 establishes the link.
In embodiments of the present invention, the second pre-determined distance is greater than at a distance from the first order node in second level node with access When, second level node can be searched;It is closer apart from the second level node, and bandwidth is more than the target of the second pre-set bandwidths threshold value First nodes, so can to avoid the movement connect due to first order node and the second level, caused communication distance far caused by when Prolong problem.
Step 804: being regarded described first and be greater than the first pre-determined distance at a distance from second level node of the networked terminals with access When, the first view networked terminals search target second level node;Target second level node is positioned at the first view connection In the geographic area of the first preset range of network termination, and bandwidth is more than the second level node of the first pre-set bandwidths threshold value.
Step 805: the first view networked terminals send the first networking request to target second level node.
Step 806: target second level node is based on the first networking request, builds with described first depending on networked terminals Vertical link, and the described first first identifier letter for regarding networked terminals is written in the multidate information table of target second level node The location information of breath and the first view networked terminals.
In embodiments of the present invention, above-mentioned steps 804-806 can respectively refer to above-mentioned steps 701-703, in order to avoid Details are not described herein again for repetition.
Step 807: updated multidate information table is sent to the target second level and saved by target second level node The first order node of point access.
In embodiments of the present invention, updated multidate information table can be sent to the target by target second level node The first order node of two-level node access.
For example, it is directed to above-mentioned example, and if the first order node that target second level node 50122 accesses is 50111, target the Two-level node 50122 can will be written with the multidate information table of the inbound information of the first view networked terminals 5031, be sent to target The first order node 50111 that second level node 50122 accesses.And then it can to store in first order node 50111 newest Inbound information, first order node 50111 determining that first be networked terminals 5031 and second is between networked terminals 5032 During forwarding second level node and transfer sequence, it is based on newest inbound information, and then can guarantee the above-mentioned forwarding second level The accuracy and real-time of node and transfer sequence.
In embodiments of the present invention, optionally, each first order node can mutually update above-mentioned inbound information, in this hair In bright embodiment, this is not especially limited.
Step 808: the first view networked terminals are based on the link, and Xiang Suoshu target second level node sends described the The second identifier information of two view networked terminals.
Step 809: when the second identifier information being not present in the multidate information table, target second level node The second identifier information is forwarded to the first order node of access.
In embodiments of the present invention, above-mentioned steps 808-809 can respectively refer to above-mentioned steps 704-705, in order to avoid Details are not described herein again for repetition.
Step 810: the inbound information includes: the multidate information table of all second level nodes, all second level nodes The location information of location information and all access view networked terminals;The first order node of the access is based on all second level The multidate information table of node, all second level nodes location information and it is all view networked terminals location information, determine described in Between first view networked terminals and the second view networked terminals, apart from shortest forwarding second level node identification and forward suitable Sequence.
In embodiments of the present invention, the inbound information of first order node storage may include the dynamic of all second level nodes Information table, the location information of all second level nodes and location information of all access view networked terminals etc..For example, above-mentioned first Grade node 50111 can store the multidate information table of all second level nodes, the location information of all second level nodes and institute There is the location information etc. of access view networked terminals.
In embodiments of the present invention, the first order node of access can be based on the multidate information of above-mentioned all second level nodes Table, the location information of all second level nodes and location information of all access view networked terminals etc., determine the networking of the first view eventually Between end and the second view networked terminals, apart from shortest forwarding second level node identification and transfer sequence.
For example, it is directed to above-mentioned example, and if the first order node that target second level node 50122 accesses is 50111, target the Two-level node 50122 can search the second identifier information in its multidate information table, in multidate information table there is no this When two identification informations, target second level node 50122 can send the second view networked terminals to the first order node 50111 of access 5032 second identifier information.First order node 50111 can determine the first view networked terminals based on the inbound information of its storage 5031 and second regard the distance between networked terminals 5032 shortest forwarding second level node identification and transfer sequence.For example, really The distance between fixed the first view networked terminals 5031 and the second view networked terminals 5032 shortest forwarding second level node identification It can be with transfer sequence are as follows: second level node 50122 is forwarded to second level node 50121, and second level node 50121 is forwarded to again The second level node 50123 that second view networked terminals 5032 access, then the networking of the second view is transmitted to eventually by second level node 50123 End 5032.Alternatively, the shortest forwarding of the distance between first view networked terminals 5031 and the second view networked terminals 5032 for determining Second level node identification and transfer sequence can be with are as follows: second level node 50122 is forwarded to the access of the second view networked terminals 5032 Second level node 50123, then the second view networked terminals 5032 are transmitted to by second level node 50123.In embodiments of the present invention This is not especially limited.
In embodiments of the present invention, the first order node of access can be based on the multidate information of above-mentioned all second level nodes Table, the location information of all second level nodes and location information of all access view networked terminals etc., determine the networking of the first view eventually Between end and the second view networked terminals, apart from shortest forwarding second level node identification and transfer sequence, and then the can be accelerated Communication speed between one view networked terminals and the second view networked terminals.
Step 811: the first order node of the access is by target second level node, and the networking of the view of Xiang Suoshu first is eventually End sends the forwarding second level node identification and transfer sequence.
Step 812: the first view networked terminals are based on the transfer sequence, pass through forwarding second level node identification Corresponding forwarding second level node, is communicated with described second depending on networked terminals.
In embodiments of the present invention, above-mentioned steps 811 and step 812 can respectively refer to above-mentioned steps 707 and step 708, in order to avoid repeating, details are not described herein again.
In the embodiment of the present invention, optionally, lead between the first view networked terminals 5031 and the second view networked terminals 5032 After letter, target second node 50122 can notify above-mentioned first order node 50111, discharge above-mentioned forwarding second node it Between communication link resources, and then the communication resource can be saved.In embodiments of the present invention, this is not especially limited.
Step 813: described there are when the second identifier information in the multidate information table of target second level node First view networked terminals are based on the link, are communicated with described second depending on networked terminals.
In embodiments of the present invention, there are when second identifier information in the multidate information table of target second level node, that is, Target second level node in such cases should for the common parent of above-mentioned first view networked terminals and the second view networked terminals Method can not execute above-mentioned steps 809- step 812, then first can be based on the link depending on networked terminals, network with the second view Terminal is communicated.
For example, referring to shown in Fig. 5 or Fig. 6, if first regards networked terminals as 5031, second regards networked terminals as 5033, Two to regard networked terminals as the second level node of 5033 accesses be also target second level node 50122, that is, target second level node 50122 be that first to regard networked terminals be that 5031 and second regard networked terminals as 5033 common father nodes, then the first view networking is eventually End can be regarded networked terminals with second and be carried out as 5033 for 5031 based on its linking between target second level node 50122 Communication.Specifically, first regard networked terminals as 5031 can based on its linking between target second level node 50122, with And second regard networked terminals linking between 5031 and target second level node 50122, is communicated.
In the embodiment of the present invention, the method be applied to view networking, it is described view networking include: space-based network, first view network Terminal, the second view networked terminals;The space-based network includes: space-based backbone network, space-based access net;The space-based backbone network includes: First order node;The space-based access net includes: second level node;The first order node be stored with all second level nodes and The inbound information of all access view networked terminals;Described first depending on being greater than at a distance from second level node of the networked terminals with access When the first pre-determined distance, the first view networked terminals search target second level node;Target second level node be positioned at In the geographic area of first view, first preset range of networked terminals, and bandwidth is more than the second level of the first pre-set bandwidths threshold value Node;The first view networked terminals send the first networking request to target second level node;The target second level section Point networks based on described first and requests, and establishes the link with described first depending on networked terminals, and in target second level node The first identifier information of the first view networked terminals and the position letter of the first view networked terminals are written in multidate information table Breath;The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second view networked terminals Second identifier information;When the second identifier information being not present in the multidate information table, target second level node The second identifier information is forwarded to the first order node of access;The first order node of the access is based on the inbound information, Determine the forwarding second level node identification and transfer sequence between the first view networked terminals and the second view networked terminals; By target second level node, Xiang Suoshu first regards networked terminals and sends the forwarding the first order node of the access Two-level node mark and transfer sequence;The first view networked terminals are based on the transfer sequence, pass through the forwarding second level The corresponding forwarding second level node of node identification, is communicated with described second depending on networked terminals.First view networked terminals with When the distance of the second level node of access is greater than the first pre-determined distance, the first view networked terminals, which are searched, is located at the first view networking eventually In the geographic area for holding the first preset range, and bandwidth is more than the target second level node of the first pre-set bandwidths threshold value, and access should Target second level node, in the second level during joint movements, it is ensured that above-mentioned first can connect in real time depending on networked terminals Enter away from the good target second level node of nearest and bandwidth performance, avoids second as caused by the joint movements of the second level The big problem of communication delay between grade node and the first view networked terminals;Meanwhile in the multidate information table of target second level node In be not present second identifier information when, i.e., target second level node is not first depending on networked terminals and the second being total to depending on networked terminals When with father node, target second level node is sent to the first order section of its access by second depending on the second identifier information of networked terminals Point, is stored with the inbound information of all second level nodes and all access view networked terminals in first order node, and the first of access Grade node is based on the inbound information, determines the forwarding second level node mark between the first view networked terminals and the second view networked terminals Know and transfer sequence, the first order node of access send forwarding second to the first view networked terminals by target second level node Grade node identification and transfer sequence, the first view networked terminals are based on the transfer sequence, corresponding by forwarding second level node identification Forwarding second level node, communicated with second depending on networked terminals, communicated not by above-mentioned first order node, can To mitigate the communication pressure of first order node.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.
It is a kind of structural block diagram of view networked communication device of the embodiment of the present invention referring to Fig. 9, described device 900 is applied In view network, it is described view networking include: space-based network, first view networked terminals, second regard networked terminals;The space-based network includes: Space-based backbone network, space-based access net;The space-based backbone network includes: first order node;The space-based access net includes: the second level Node;The first order node is stored with the inbound information of all second level nodes and all access view networked terminals;The dress It sets and may include:
Target second level node checks module 904, for the second level node in the first view networked terminals and access Distance be greater than the first pre-determined distance when, it is described first view networked terminals search target second level node;The target second level Node is in the geographic area of the first view first preset range of networked terminals, and bandwidth is more than the first pre-set bandwidths threshold The second level node of value;
First networking request sending module 905 is sent out for the first view networked terminals to target second level node The first networking is sent to request;
Module 906 is established in first link, is based on described first for target second level node and is networked request, and described First establishes the link depending on networked terminals, and the first view networking is written in the multidate information table of target second level node The location information of the first identifier information of terminal and the first view networked terminals;
Second identifier information sending module 908 is based on the link, Xiang Suoshu target for the first view networked terminals Second level node sends the second identifier information of the second view networked terminals;
Second identifier information forwarding module 909, for the second identifier information to be not present in the multidate information table When, target second level node forwards the second identifier information to the first order node of access;
Transfer sequence determining module 910, for the access first order node be based on the inbound information, determine described in Forwarding second level node identification and transfer sequence between first view networked terminals and the second view networked terminals;
Transfer sequence sending module 911, the first order node for the access by target second level node, to The first view networked terminals send the forwarding second level node identification and transfer sequence;
First communication module 912 is based on the transfer sequence for the first view networked terminals, passes through the forwarding the Two-level node identifies corresponding forwarding second level node, is communicated with described second depending on networked terminals.
Optionally, on the basis of above-mentioned Fig. 9, referring to Fig.1 shown in 0, described device can also include:
Target first order node checks module 901, for the first order node in the second level node and access away from When from being greater than the second pre-determined distance, the second level node checks target first order node;The target first order node is position In in the geographic area of second preset range of second level node, and bandwidth is more than the first order section of the second pre-set bandwidths threshold value Point;
Second networking request sending module 902 sends the to the target first order node for the second level node Two, which network, requests;
Module 903 is established in second link, is based on described second for the target first order node and is networked request, and described Second level node establishes the link.
Optionally, described device can also include:
Multidate information table sending module 907 sends updated multidate information table for target second level node The first order node accessed to target second level node.
Optionally, may be used also in the multidate information table of target second level node there are when the second identifier information To include:
Second communication module 913 is based on the link for the first view networked terminals, eventually with the second view networking End is communicated.
Optionally, the inbound information includes: the position of the multidate information table of all second level nodes, all second level nodes The location information of confidence breath and all access view networked terminals;
The transfer sequence determining module 910 may include:
Transfer sequence determination unit 9101, the first order node for the access is based on all second level nodes The location information of multidate information table, the location information of all second level nodes and all access view networked terminals, determines described the Between one view networked terminals and the second view networked terminals, apart from shortest forwarding second level node identification and transfer sequence.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.
In the embodiment of the present invention, be applied to view networking, it is described view networking include: space-based network, first regard networked terminals, second Depending on networked terminals;The space-based network includes: space-based backbone network, space-based access net;The space-based backbone network includes: first order section Point;The space-based access net includes: second level node;The first order node is stored with all second level nodes and all accesses Depending on the inbound information of networked terminals;It is default to be greater than first at a distance from second level node of the first view networked terminals with access Apart from when, it is described first view networked terminals search target second level node;Target second level node is positioned at described first In geographic area depending on the first preset range of networked terminals, and bandwidth is more than the second level node of the first pre-set bandwidths threshold value;Institute It states the first view networked terminals and sends the first networking request to target second level node;Target second level node is based on institute The first networking request is stated, is established the link with described first depending on networked terminals, and in the multidate information of target second level node The first identifier information of the first view networked terminals and the location information of the first view networked terminals are written in table;Described One view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second identifier of the second view networked terminals Information;When the second identifier information being not present in the multidate information table, target second level node to access the First nodes forward the second identifier information;The first order node of the access is based on the inbound information, determines described the Forwarding second level node identification and transfer sequence between one view networked terminals and the second view networked terminals;The access First order node regards networked terminals and sends forwarding second level node mark by target second level node, Xiang Suoshu first Knowledge and transfer sequence;The first view networked terminals are based on the transfer sequence, pass through forwarding second level node identification pair The forwarding second level node answered, is communicated with described second depending on networked terminals.In the first view networked terminals and the second of access When the distance of grade node is greater than the first pre-determined distance, the first view networked terminals are searched default positioned at the first view networked terminals first In the geographic area of range, and bandwidth is more than the target second level node of the first pre-set bandwidths threshold value, accesses the target second level Node, in the second level during joint movements, it is ensured that above-mentioned first can access apart from it most in real time depending on networked terminals In close and good bandwidth performance target second level node, the second level node as caused by the joint movements of the second level and the are avoided The big problem of communication delay between one view networked terminals;Meanwhile there is no the in the multidate information table of target second level node When two identification informations, i.e., target second level node is not that the first view networked terminals and second regard the common parent of networked terminals When, target second level node by second depending on networked terminals second identifier information be sent to its access first order node, first The inbound information of all second level nodes and all access view networked terminals, the first order node base of access are stored in grade node In the inbound information, the forwarding second level node identification between the first view networked terminals and the second view networked terminals and forwarding are determined Sequentially, the first order node of access sends forwarding second level node mark to the first view networked terminals by target second level node Know and transfer sequence, the first view networked terminals are based on the transfer sequence, passes through the corresponding forwarding the of forwarding second level node identification Two-level node is communicated with second depending on networked terminals, is communicated not by above-mentioned first order node, can mitigate The communication pressure of first nodes.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements, but also other elements including being not explicitly listed are included, or further include for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of view connected network communication method and apparatus provided by the present invention, it is described in detail, answers herein With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help to manage Solve method and its core concept of the invention;At the same time, for those skilled in the art, according to the thought of the present invention, There will be changes in specific embodiment and application range, in conclusion the content of the present specification should not be construed as to this hair Bright limitation.

Claims (10)

1. a kind of view connected network communication method, which is characterized in that the method be applied to view networking, it is described view network include: space-based Net, the first view networked terminals, the second view networked terminals;The space-based network includes: space-based backbone network, space-based access net;The day Base backbone network includes: first order node;The space-based access net includes: second level node;The first order node storage is There is the inbound information of second level node and all access view networked terminals;The described method includes:
When being greater than the first pre-determined distance at a distance from second level node of the first view networked terminals with access, first view Networked terminals search target second level node;Target second level node is default positioned at the first view networked terminals first In the geographic area of range, and bandwidth is more than the second level node of the first pre-set bandwidths threshold value;
The first view networked terminals send the first networking request to target second level node;
Target second level node is based on the first networking request, establishes the link with described first depending on networked terminals, and The first identifier information and described the of the first view networked terminals is written in the multidate information table of target second level node The location information of one view networked terminals;
The first view networked terminals are based on the link, and Xiang Suoshu target second level node sends the second view networked terminals Second identifier information;
In the multidate information table be not present the second identifier information when, target second level node to access first Grade node forwards the second identifier information;
The first order node of the access is based on the inbound information, determines that the first view networked terminals and second view join Forwarding second level node identification and transfer sequence between network termination;
By target second level node, Xiang Suoshu first regards networked terminals and sends described turn the first order node of the access Send out second level node identification and transfer sequence;
The first view networked terminals are based on the transfer sequence, forward the by the way that forwarding second level node identification is corresponding Two-level node is communicated with described second depending on networked terminals.
2. the method according to claim 1, wherein further include: in the second level node and the first of access When the distance of grade node is greater than the second pre-determined distance, the second level node checks target first order node;The target first Grade node is in the geographic area of second preset range of second level node, and bandwidth is more than the second pre-set bandwidths threshold value First order node;
The second level node sends the second networking request to the target first order node;
The target first order node is based on the second networking request, establishes the link with the second level node.
3. the method according to claim 1, wherein the multidate information table in target second level node After the first identifier information of middle write-in the first view networked terminals, further includes:
Updated multidate information table is sent to the first of the access of target second level node by target second level node Grade node.
4. the method according to claim 1, wherein being deposited in the multidate information table of target second level node In the second identifier information, further includes:
The first view networked terminals are based on the link, are communicated with described second depending on networked terminals.
5. the method according to claim 1, wherein the inbound information includes: the dynamic of all second level nodes The location information of state information table, the location information of all second level nodes and all access view networked terminals;
The first order node of the access is based on the inbound information, determines that the first view networked terminals and second view join Forwarding second level node identification and transfer sequence between network termination, comprising:
The position of multidate information table of the first order node of the access based on all second level nodes, all second level nodes The location information of confidence breath and all access view networked terminals determines the first view networked terminals and the second view networking eventually Between end, apart from shortest forwarding second level node identification and transfer sequence.
6. a kind of view networked communication device, which is characterized in that described device be applied to view networking, it is described view network include: space-based Net, the first view networked terminals, the second view networked terminals;The space-based network includes: space-based backbone network, space-based access net;The day Base backbone network includes: first order node;The space-based access net includes: second level node;The first order node storage is There is the inbound information of second level node and all access view networked terminals;Described device includes:
Target second level node checks module is big at a distance from second level node of the networked terminals with access for regarding described first When the first pre-determined distance, the first view networked terminals search target second level node;Target second level node is position In in the geographic area of the first view first preset range of networked terminals, and bandwidth is more than the second of the first pre-set bandwidths threshold value Grade node;
First networking request sending module sends first to target second level node depending on networked terminals for described first and enters Net request;
Module is established in first link, is based on the first networking request for target second level node, with first view Networked terminals establish the link, and the first view networked terminals are written in the multidate information table of target second level node The location information of first identifier information and the first view networked terminals;
Second identifier information sending module is based on the link, the Xiang Suoshu target second level for the first view networked terminals Node sends the second identifier information of the second view networked terminals;
Second identifier information forwarding module, it is described when for the second identifier information to be not present in the multidate information table Target second level node forwards the second identifier information to the first order node of access;
Transfer sequence determining module, the first order node for the access are based on the inbound information, determine first view Forwarding second level node identification and transfer sequence between networked terminals and the second view networked terminals;
Transfer sequence sending module, the first order node for the access pass through target second level node, Xiang Suoshu One view networked terminals send the forwarding second level node identification and transfer sequence;
First communication module is based on the transfer sequence for the first view networked terminals, is saved by the forwarding second level The corresponding forwarding second level node of point identification, is communicated with described second depending on networked terminals.
7. device according to claim 6, which is characterized in that further include:
Target first order node checks module, for being greater than the at a distance from first order node of the second level node with access When two pre-determined distances, the second level node checks target first order node;The target first order node is positioned at described the In the geographic area of the second preset range of two-level node, and bandwidth is more than the first order node of the second pre-set bandwidths threshold value;
Second networking request sending module sends the second networking to the target first order node for the second level node and asks It asks;
Module is established in second link, the second networking request is based on for the target first order node, with the second level Node establishes the link.
8. device according to claim 6, which is characterized in that further include:
Updated multidate information table is sent to the mesh for target second level node by multidate information table sending module Mark the first order node of second level node access.
9. device according to claim 6, which is characterized in that deposited in the multidate information table of target second level node In the second identifier information, further includes:
Second communication module is based on the link for the first view networked terminals, carries out with the second view networked terminals Communication.
10. device according to claim 6, which is characterized in that the inbound information includes: the dynamic of all second level nodes The location information of state information table, the location information of all second level nodes and all access view networked terminals;
The transfer sequence determining module includes:
Transfer sequence determination unit, the first order node for the access is based on the multidate information of all second level nodes The location information of table, the location information of all second level nodes and all access view networked terminals, determines the first view networking Between terminal and the second view networked terminals, apart from shortest forwarding second level node identification and transfer sequence.
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