CN115987794A - SD-WAN-based intelligent distribution method - Google Patents
SD-WAN-based intelligent distribution method Download PDFInfo
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Abstract
The invention provides an intelligent shunting method based on an SD-WAN (secure digital-Wide area network), which comprises the following steps: the method comprises the steps of obtaining all servers having connection relations with the SD-WAN, establishing a network connection layout, obtaining the superior-inferior relation between different servers according to the network connection layout, establishing a relation corresponding list, collecting data packets generated by each server, determining a receiving server corresponding to the data packets, marking a plurality of transmission paths of each server and the receiving server on the network connection layout by combining the relation corresponding list, selecting the transmission path with the fastest transmission speed from each server to the corresponding receiving server, marking the transmission path as a target transmission path, transmitting the data packets to the corresponding receiving server by using the corresponding target transmission path through a control server, distributing the data packets by analyzing the superior-inferior relation and the transmission relation between the servers accessed into the SD-WAN, selecting the adaptive transmission path under different conditions, and then transmitting, so that the transmission efficiency of the data packets is improved.
Description
Technical Field
The invention relates to the field of network flow traction, in particular to an intelligent shunting method based on an SD-WAN (secure digital-wide area network).
Background
Currently, SD-WAN networks have become an important trend for global operators to develop, and are generally regarded by the industry as a main direction for the development of next-generation telecommunication networks. The SD-WAN inherits concepts of SDN control, forwarding separation, centralized control and the like, deploys a software control system in the enterprise WAN, provides functions of rapid service deployment, intelligent service management and the like, helps enterprises to deal with challenges brought by cloud service and office mobility, and achieves rapid test, deployment and online of services. The prior art can only collect various data generated by the servers in a unified manner, and then respectively transmit the data, and before transmission, an operator needs to know the distribution condition of each server in advance, once the servers change, the server needs to collect the data again according to the current changed servers, and the data cannot be automatically networked and automatically transmitted, so that the data transmission efficiency is low, a large amount of time is needed to be spent on data transmission, and in some cases, a plurality of data are transmitted in the same path, so that the data are easily blocked, and the transmission speed is delayed.
Therefore, the invention provides an intelligent distribution method based on SD-WAN.
Disclosure of Invention
According to the intelligent distribution method based on the SD-WAN, the data packet distribution is carried out by analyzing the superior-subordinate relation and the transmission relation among the servers accessed to the SD-WAN, the transmission path with the fastest transmission is selected under different conditions, and then transmission is carried out, so that the efficiency of data packet transmission is improved.
The invention provides an intelligent shunting method based on an SD-WAN (secure digital-Wide area network), which comprises the following steps:
step 1: acquiring all servers having a connection relation with the SD-WAN, and establishing a network connection layout;
step 2: obtaining the superior-subordinate relation between different servers according to the network connection layout, and establishing a relation corresponding list;
and 3, step 3: collecting a data packet generated by each server, determining a receiving server corresponding to the data packet, and marking a plurality of transmission paths of each server communicated with the receiving server on a network connection layout by combining a relation corresponding list;
and 4, step 4: and selecting a transmission path with the highest transmission speed from each server to the corresponding receiving server, recording the transmission path as a target transmission path, and transmitting the data packet to the corresponding receiving server by using the corresponding target transmission path through the control server.
In one manner that may be implemented,
the step 1 comprises the following steps:
step 11: acquiring a plurality of LAN-WANs contained in the SD-WAN and a plurality of network nodes contained in each LAN-WAN;
step 12: establishing a corresponding sub-network according to a plurality of network nodes contained in each LAN-WAN;
step 13: according to the logic relation between different LAN-WAN, the sub-network is laid out to obtain a network layout diagram;
step 14: and acquiring a server corresponding to each network node, and establishing a network connection layout by combining the network layout.
In one manner that may be implemented,
the step 2 comprises the following steps:
step 21: acquiring scheduling information corresponding to each server in a network connection layout, analyzing the scheduling information and extracting a tail end server without a lower level and a head end server without an upper level;
step 22: respectively acquiring a superior server corresponding to each terminal server, recording the superior server as a first server, acquiring a superior server corresponding to the first server, and recording the superior server as a second server until a head-end server is acquired;
step 23: and establishing a relation corresponding list according to the superior-subordinate relation between different servers.
In one manner that may be implemented,
the step 3 comprises the following steps:
step 31: collecting a transmission command corresponding to each server, performing first analysis on the transmission command to obtain a data packet generated by the corresponding server, sequencing the servers in sequence according to the data volume in the data packet, and establishing a transmission priority for each server;
step 32: performing second analysis on the transmission command to obtain receiving servers corresponding to the data packets, counting the number of the data packets received by each receiving server, sequencing the receiving servers in sequence according to the number of the received data packets, and establishing a receiving priority for each receiving server;
step 33: marking the priority corresponding to each server on a network connection layout chart, acquiring a target server with the highest priority and a target receiving server corresponding to the target server, recording the rest servers as servers to be connected, combining the relationship correspondence list to obtain a plurality of transmission paths between the target server and the target receiving server, sequentially acquiring a plurality of transmission paths between each server to be connected and the corresponding receiving server to be connected, and establishing a transmission path correspondence list.
In one manner that may be implemented,
step 4 comprises the following steps:
step 41: establishing a virtual network model according to the network connection layout, and marking a plurality of virtual transmission paths corresponding to each virtual server in the virtual network model;
step 42: respectively inputting detection data packets for the virtual transmission paths corresponding to each virtual server, acquiring the virtual transmission time length corresponding to each virtual transmission path, and sequencing the virtual transmission paths corresponding to the same virtual server in sequence based on the virtual transmission time length to obtain a path sequence corresponding to each virtual server;
step 43: selecting a first virtual transmission path in each path sequence in the virtual network model, and transmitting a detection data packet through each virtual transmission path respectively; extracting a target first virtual transmission path with transmission failure, acquiring a target path sequence corresponding to the target first virtual transmission path, and extracting a second virtual transmission path from the target path sequence;
step 44: replacing the corresponding target first virtual transmission path with a second virtual transmission path, and then respectively transmitting the detection data packets, if the current virtual transmission path comprises a virtual path with transmission failure, circularly selecting a corresponding next virtual transmission path until each current virtual transmission path selected in the virtual network model successfully transmits the detection data packets;
step 45: the method comprises the steps of obtaining current virtual transmission paths marked in a virtual network model, obtaining actual transmission paths corresponding to each current virtual transmission path, marking as target transmission paths, and transmitting data packets to corresponding receiving servers by a control server through the corresponding target transmission paths.
In one manner that may be implemented,
step 21 comprises:
step 211: respectively acquiring server channel information corresponding to each server in the network layout;
step 212: analyzing server channel information to obtain historical receiving-transmitting information of each server and server replacement information, and establishing scheduling information;
step 213: respectively traversing first sub information and last sub information corresponding to each piece of scheduling information, and extracting first scheduling information without the first sub information and second scheduling information without the last sub information;
step 214: and acquiring a first server corresponding to the first scheduling information, and recording the first server as a head end server, and acquiring a second server corresponding to the second scheduling information, and recording the second server as a tail end server.
In one manner that may be implemented,
further comprising:
acquiring a target transmission path between each server and a receiving server, and counting the used time length corresponding to each target transmission path;
selecting a target transmission path with the used time length longer than the preset time length and the maximum used time length, and recording the target transmission path as a high-quality target transmission path;
and when the control server transmits the data packet, preferentially selecting a corresponding high-quality target transmission path.
In one manner that may be implemented,
further comprising:
when a server transmits data packets to a plurality of receiving servers respectively, a target transmission path between the server and each receiving server is obtained for synchronous transmission.
In one manner that may be implemented,
step 13, comprising:
step 131: acquiring network topology data of each LAN-WAN;
step 132: analyzing the network topology data to obtain a data input end and a data output end of each LAN-WAN;
step 133: acquiring the connection mode of a data input end and a data output end of a LAN-WAN with a connection relation to obtain a logic relation between different LANs-WANs;
step 134: and (4) according to the logical relationship among different LAN-WANs, laying out the sub-networks corresponding to each LAN-WAN to generate a network layout diagram.
In one manner that may be implemented,
further comprising:
tracking real-time transmission information corresponding to each data packet in the process that the server transmits the data packet to a corresponding receiving server by using a corresponding target transmission path;
analyzing the real-time transmission information to obtain the transmission progress of the corresponding data packet;
and when the transmission progress of the data packet in a preset time period is smaller than the preset transmission progress, determining that the corresponding target transmission path is invalid, selecting a new transmission path to replace the target transmission path, and transmitting the data packet to the corresponding receiving server by using the replaced target transmission path through the control server.
The invention can realize the following beneficial effects: in order to avoid the work disorder of each server in the SD-WAN, the servers having a connection relation with the SD-WAN are counted firstly, a network connection layout is established, then a transmission path for transmitting a data packet of each server is analyzed according to the superior-inferior relation between different servers, then a transmission path control server with the highest transmission speed is selected to transmit the data packet to a receiving server through a target transmission path, the data transmission work is completed, the transmission is carried out by utilizing different transmission paths, the purpose of carrying out transmission and distribution by utilizing different paths is further achieved, and the time transmission efficiency in the SD-WAN is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic workflow diagram of an SD-WAN-based intelligent offloading method according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a working flow of step 1 of an SD-WAN-based intelligent offloading method in an embodiment of the present invention;
fig. 3 is a schematic flowchart of a work flow of step 2 of an SD-WAN-based intelligent offloading method in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
The embodiment provides an SD-WAN-based intelligent offloading method, as shown in fig. 1, including:
step 1: acquiring all servers having a connection relation with the SD-WAN, and establishing a network connection layout;
and 2, step: obtaining the superior-subordinate relation between different servers according to the network connection layout, and establishing a relation corresponding list;
and step 3: collecting a data packet generated by each server, determining a receiving server corresponding to the data packet, and marking a plurality of transmission paths for communicating each server and the receiving server on a network connection layout by combining a relation correspondence list;
and 4, step 4: and selecting a transmission path with the highest transmission speed from each server to the corresponding receiving server, recording the transmission path as a target transmission path, and transmitting the data packet to the corresponding receiving server by using the corresponding target transmission path through the control server.
In this example, SD-WAN denotes a software defined wide area network;
in this example, the server represents a device that has access to the SD-WAN;
in this example, the data packet is composed of a plurality of pieces of digital information, and if only one piece of digital information is generated by one server, the piece of digital information is taken as the data packet;
in this example, the network connection layout represents the layout of all servers in the access SD-WAN;
in this example, the context represents the relationship between transmission and reception between different servers;
in this example, the receiving server is a server connected in the SD-WAN, and one server can perform both receiving and transmitting work;
in this example, the transmission path represents a transmission route that can be performed when transmitting a data packet from one server to another server, for example, server a generates a data packet s and transmits the data packet s to server h, where server a is connected to server b, server c, and server d, respectively, and where server b and server d are connected to server h, respectively, then there are two paths for transmitting the data packet s from server a to server h, and one path is: server a-server b-server h, the other is: server a-server d-server h;
in this example, a server may transmit a data packet to one or more receiving servers, the server has several transmission paths with each receiving server, and the server has a target transmission path with each receiving server.
The working principle and the beneficial effects of the technical scheme are as follows: in order to avoid the work disorder of each server in the SD-WAN, the servers having a connection relation with the SD-WAN are counted firstly, a network connection layout is established, then a transmission path for transmitting a data packet of each server is analyzed according to the superior-inferior relation between different servers, then a transmission path control server with the highest transmission speed is selected to transmit the data packet to a receiving server through a target transmission path, the data transmission work is completed, the transmission is carried out by utilizing different transmission paths, the purpose of carrying out transmission and distribution by utilizing different paths is further achieved, and the time transmission efficiency in the SD-WAN is improved.
Example 2
On the basis of embodiment 1, as shown in fig. 2, the step 1 of the intelligent offloading method based on SD-WAN includes:
step 11: acquiring a plurality of LAN-WANs included in the SD-WAN and a plurality of network nodes included in each LAN-WAN;
step 12: establishing a corresponding sub-network according to a plurality of network nodes contained in each LAN-WAN;
step 13: according to the logic relation between different LAN-WAN, the sub-network is laid out to obtain a network layout diagram;
step 14: and acquiring a server corresponding to each network node, and establishing a network connection layout by combining the network layout.
In this example, the LAN-WAN represents one local area network in the SD-WAN;
in this example, a sub-network represents a network of different devices in a local area network;
in this example, the logical relationship includes: the system comprises a bus topological relation, a ring topological relation, a single ring topological relation, a double ring topological relation, a star topological relation, an extended star topological relation, an interconnection topological relation and a partial interconnection topological relation;
in this example, the network topology map represents a representation of the connectivity between different devices in a local area network.
The working principle and the beneficial effects of the technical scheme are as follows: in order to obtain the basic information of the SD-WAN before the SD-WAN is shunted, the layout of each local area network is established first, and then the layouts of the local area networks are integrated, so that a network connection layout can be obtained, and the preparation work of shunting is realized.
Example 3
On the basis of the embodiment 1, the intelligent offloading method based on SD-WAN, step 2, includes:
step 21: acquiring scheduling information corresponding to each server in a network connection layout, analyzing the scheduling information and extracting a tail end server without a lower level and a head end server without an upper level;
step 22: respectively acquiring a superior server corresponding to each terminal server, recording the superior server as a first server, acquiring a superior server corresponding to the first server, and recording the superior server as a second server until a head-end server is acquired;
step 23: and establishing a relation corresponding list according to the superior-subordinate relation among different servers.
In this example, the scheduling information indicates information generated by a server exchanging work positions and performing normal work at different times and working within a historical time;
in this example, the end server represents a server at the end of the network in the SD-WAN;
in this example, the head segment server represents the server of the head segment of the network in the SD-WAN.
The working principle and the beneficial effects of the technical scheme are as follows: by analyzing the scheduling information of each server, the superior-inferior relation between each server and other servers can be obtained, the relation between a series of servers can be obtained in a traversal mode, and a relation correspondence list is established to be used as a basis for subsequently establishing a transmission path.
Example 4
On the basis of the embodiment 1, the intelligent offloading method based on SD-WAN includes, in step 3:
step 31: collecting a transmission command corresponding to each server, performing first analysis on the transmission command to obtain a data packet generated by the corresponding server, sequencing the servers in sequence according to the data volume in the data packet, and establishing a transmission priority for each server;
step 32: performing second analysis on the transmission command to obtain receiving servers corresponding to the data packets, counting the number of the data packets received by each receiving server, sequencing the receiving servers in sequence according to the number of the received data packets, and establishing a receiving priority for each receiving server;
step 33: marking the priority corresponding to each server on a network connection layout, acquiring a target server with the highest priority and a target receiving server corresponding to the target server, recording the rest servers as servers to be connected, combining the relation correspondence list to obtain a plurality of transmission paths between the target server and the target receiving server, sequentially acquiring a plurality of transmission paths between each server to be connected and the corresponding receiving server to be connected, and establishing a transmission path correspondence list.
In this example, the transmission command indicates a command for one server to transmit a data packet to another server, where the command includes the data packet and a transmission instruction, and the transmission direction and the transmission destination are determined in the transmission instruction;
in this example, the transmission priority indicates a priority established by preferentially transmitting a packet having a large data amount during transmission of the packet;
in this example, the first parsing represents an operation of obtaining a packet from a transmission command;
in this example, the second parsing represents an operation of acquiring a transfer instruction from the transfer command;
in this example, the reception priority indicates a priority established by giving priority to transmission by a reception server having a large number of received packets during reception of the packets;
in this example, the highest-priority target server means a server in the SD-WAN whose sum of the transmission priority and the reception priority is largest;
in this example, the target receiving server is also in the SD-WAN, and is the object of the target server to transmit the data packet;
in this example, the purpose of establishing the priority is to: determining the workload of each server according to the priority, and then determining the working sequence of different servers;
in this example, the transmission path correspondence list represents a table in which transmission paths between all servers and their receiving servers are counted.
The working principle and the beneficial effects of the technical scheme are as follows: in order to realize data transmission, a priority is established for each server by analyzing a transmission command of each server, then each server is subjected to priority marking according to the priority, finally, a transmission path is established for each server in sequence according to the priority, then, the transmission paths of each server are counted to obtain a transmission path corresponding list, and a basis is taken for subsequently selecting a target transmission path and carrying out data packet transmission.
Example 5
On the basis of the embodiment 1, the step 4 of the intelligent offloading method based on the SD-WAN includes:
step 41: establishing a virtual network model according to the network connection layout, and marking a plurality of virtual transmission paths corresponding to each virtual server in the virtual network model;
step 42: respectively inputting detection data packets for the virtual transmission paths corresponding to each virtual server, acquiring the virtual transmission time length corresponding to each virtual transmission path, and sequencing the virtual transmission paths corresponding to the same virtual server in sequence based on the virtual transmission time length to obtain a path sequence corresponding to each virtual server;
step 43: selecting a first virtual transmission path in each path sequence in the virtual network model, and transmitting a detection data packet through each virtual transmission path respectively; extracting a target first virtual transmission path with failed transmission, acquiring a target path sequence corresponding to the target first virtual transmission path, and extracting a second virtual transmission path from the target path sequence;
step 44: replacing the corresponding target first virtual transmission path with a second virtual transmission path, and then respectively transmitting the detection data packets, if the current virtual transmission path comprises a virtual path with transmission failure, circularly selecting a corresponding next virtual transmission path until each current virtual transmission path selected in the virtual network model successfully transmits the detection data packets;
step 45: the method comprises the steps of obtaining current virtual transmission paths marked in a virtual network model, obtaining actual transmission paths corresponding to the current virtual transmission paths, marking as target transmission paths, and transmitting data packets to corresponding receiving servers by a control server through the corresponding target transmission paths.
In this example, the virtual network model represents a network model established in virtual space that is consistent with the network connection layout;
in this example, the virtual transmission path represents a transmission path between different virtual devices acquired in the virtual space;
in this example, the detection packet means a unit packet for detecting the transmission speed of the virtual transmission path, which is substantially one short-time data;
in this example, the path sequence represents all paths for one virtual server to send detection packets to the corresponding virtual receiving server;
in this example, the first virtual transmission path represents a virtual transmission path whose transmission speed is located at a first position in a path sequence, and the second virtual transmission path represents a virtual transmission path whose transmission speed is located at a second position in a path sequence, where "first" and "second" represent the positions of the virtual transmission paths in the path sequence;
in this example, the current virtual transmission path represents the first virtual transmission path selected in the path sequence that can transmit the data packet.
The working principle and the beneficial effects of the technical scheme are as follows: in order to avoid rapid shunting of data cards, a virtual network model is established before transmission, virtual transmission paths corresponding to each virtual server are marked in the model, detection data packets are sent to each virtual transmission path, so that the virtual transmission time duration corresponding to each virtual transmission path can be detected, the virtual transmission paths can be sequenced according to the transmission time duration to obtain a path sequence, then the path with the highest transmission speed in each path sequence is sequentially selected for synchronous transmission, so that the mutual blocking of the paths and the data loss generated when the paths work simultaneously can be known through synchronous transmission experiments, and finally a target transmission path is selected for each server through continuous path replacement, so that the normal transmission of the data packets is ensured.
Example 6
On the basis of embodiment 3, in the intelligent offloading method based on SD-WAN, step 21 includes:
step 211: respectively acquiring server channel information corresponding to each server in the network layout;
step 212: analyzing server channel information to obtain historical receiving-transmitting information of each server and server replacement information, and establishing scheduling information;
step 213: respectively traversing the first sub information and the last sub information corresponding to each piece of scheduling information, and extracting first scheduling information without the first sub information and second scheduling information without the last sub information;
step 214: and acquiring a first server corresponding to the first scheduling information, and recording the first server as a head end server, and acquiring a second server corresponding to the second scheduling information, and recording the second server as a tail end server.
In this example, the server channel information indicates basic information of a channel used by one server to transmit data;
in this example, the history information indicates information that a server receives data and transmits data.
The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps of determining scheduling information corresponding to each server by analyzing server channel information corresponding to each server, determining whether the server belongs to an end server according to first-order sub information and last-order sub information of the scheduling information, and finally determining attributes of the end server, so that a first-order server and a last-order server are obtained, and a transmission path is established subsequently to serve as a basis.
Example 7
On the basis of the embodiment 1, the intelligent offloading method based on SD-WAN further includes:
acquiring a target transmission path between each server and a receiving server, and counting the used time length corresponding to each target transmission path;
selecting a target transmission path with the used time length longer than the preset time length and the maximum used time length, and recording the target transmission path as a high-quality target transmission path;
and when the control server transmits the data packet, preferentially selecting a corresponding high-quality target transmission path.
The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps of determining a high-quality target transmission server between a server and a receiving server by monitoring the used time length of each target transmission path between the server and the receiving server, and preferentially selecting the high-quality target transmission path in the subsequent transmission work to reduce the transmission time length.
Example 8
On the basis of the embodiment 1, the intelligent offloading method based on SD-WAN further includes:
when a server transmits data packets to a plurality of receiving servers respectively, a target transmission path between the server and each receiving server is obtained for synchronous transmission.
The working principle and the beneficial effects of the technical scheme are as follows: in order to realize synchronous transmission, when one server and a plurality of receiving servers transmit data packets, a corresponding target transmission path is selected, and transmission work is carried out at the same time, so that data jamming is avoided.
Example 9
On the basis of the embodiment 2, the intelligent offloading method based on SD-WAN, step 13, includes:
step 131: acquiring network topology data of each LAN-WAN;
step 132: analyzing the network topology data to obtain a data input end and a data output end of each LAN-WAN;
step 133: acquiring the connection mode of a data input end and a data output end of a LAN-WAN with a connection relation to obtain a logic relation between different LANs-WANs;
step 134: and (4) according to the logical relationship among different LAN-WANs, laying out the sub-networks corresponding to each LAN-WAN to generate a network layout diagram.
In this example, the network topology data represents the network connection relationship of each server with other servers in the LAN-WAN;
in this example, the data input terminal represents a port of one LAN-WAN to receive data of the other LAN-WAN;
in this example, the data output represents a port where one LAN-WAN sends data to the other LAN-WAN.
The working principle and the beneficial effects of the technical scheme are as follows: the connection mode between different local area networks is determined by analyzing the network topology data of each local area network, and then the network layout can be carried out according to the logic relationship between different local area networks, so that the local layout to the comprehensive layout is realized.
Example 10
On the basis of the embodiment 5, the intelligent offloading method based on SD-WAN further includes:
tracking real-time transmission information corresponding to each data packet in the process that the server transmits the data packet to a corresponding receiving server by using a corresponding target transmission path;
analyzing the real-time transmission information to obtain the transmission progress of the corresponding data packet;
and when the transmission progress of the data packet in a preset time period is smaller than the preset transmission progress, determining that the corresponding target transmission path is invalid, selecting a new transmission path to replace the target transmission path, and transmitting the data packet to the corresponding receiving server by using the replaced target transmission path through the control server.
The working principle and the beneficial effects of the technical scheme are as follows: in order to avoid channel blockage in the data packet transmission process, the transmission progress of the data packet is monitored in the data transmission process, so that the effectiveness of a target transmission path can be reflected laterally, a new transmission path is reselected under necessary conditions, the target transmission path is replaced by the new transmission path, transmission work is executed again, and the effective transmission of the data packet is ensured.
Example 11
On the basis of the embodiment 1, the intelligent offloading method based on SD-WAN further includes:
after a server sends a data packet to a corresponding receiving server through a target transmission path, acquiring the data packet sent by each server and a transmission packet received by the receiving server;
acquiring a first corresponding relation between a server and a receiving server;
establishing a second corresponding relation between the data packet and the transmission packet based on the first corresponding relation;
recording the data packet and the transmission packet with the second corresponding relation as a packet combination;
analyzing the data packets and the corresponding transmission packets in the same packet combination to obtain a plurality of corresponding data information and a plurality of transmission information;
calculating the data similarity between the data packet and the transmission packet in the same packet combination by using a formula (1);
wherein the content of the first and second substances,
indicates the data similarity between a data packet and a transport packet in the same packet combination, and->
Represents the ith data information>
Represents the ith transmission information>
Indicates an allowable error, based on the status of the device>
Represents the effective transmission rate, based on the transmission of the ith data message, of the server>
Represents the average transmission efficiency of the server in the transmission of data packets>
Indicating that the receiving server is receiving the ith data messageIn conjunction with a valid reception rate, based on the number of active receiving stations, is determined>
Represents an average reception efficiency of the reception server when receiving the data packets, and n represents a total number of the data packets, and a total number of the transmission packets;
acquiring a calculation result of a formula (1), and when the data similarity between a data packet and a transmission packet in the same packet combination is smaller than a preset similarity, acquiring a corresponding packet combination and recording the packet combination as a packet combination to be adjusted;
obtaining a server to be adjusted and a receiving server to be adjusted corresponding to the packet combination to be adjusted according to the first corresponding relation and the second corresponding relation;
and adjusting a target transmission path between the server and the receiving server to be adjusted until the data similarity between the data packet and the transmission packet is greater than the preset similarity.
In this example, the preset similarity is 98%.
The working principle and the beneficial effects of the technical scheme are as follows: in order to make the data before and after transmission consistent and avoid the data from generating messy codes, the data packets and the transmission packets which are transmitted successively are firstly obtained and then divided into a plurality of data information and transmission information, and then the data information and the transmission information are compared one by one, so that the corresponding data similarity can be obtained, and finally whether the target transmission paths between different servers and a receiving server are effective or not is analyzed according to the data similarity, and the transmission paths are corrected if necessary, thereby effectively avoiding the data loss, ensuring the data consistency of a transmitting end and a receiving end and realizing high-precision flow division.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An SD-WAN-based intelligent distribution method is characterized by comprising the following steps:
step 1: acquiring all servers having a connection relation with the SD-WAN, and establishing a network connection layout;
step 2: obtaining the superior-subordinate relation between different servers according to the network connection layout, and establishing a relation corresponding list;
and step 3: collecting a data packet generated by each server, determining a receiving server corresponding to the data packet, and marking a plurality of transmission paths of each server communicated with the receiving server on a network connection layout by combining a relation corresponding list;
and 4, step 4: and selecting a transmission path with the highest transmission speed from each server to the corresponding receiving server, recording the transmission path as a target transmission path, and transmitting the data packet to the corresponding receiving server by using the corresponding target transmission path through the control server.
2. The intelligent offloading method based on SD-WAN as recited in claim 1, wherein step 1 comprises:
step 11: acquiring a plurality of LAN-WANs included in the SD-WAN and a plurality of network nodes included in each LAN-WAN;
step 12: establishing a corresponding sub-network according to a plurality of network nodes contained in each LAN-WAN;
step 13: according to the logic relation between different LAN-WAN, the sub-network is laid out to obtain a network layout diagram;
step 14: and acquiring a server corresponding to each network node, and establishing a network connection layout by combining the network layout.
3. The intelligent offloading method of claim 1, wherein step 2 comprises:
step 21: acquiring scheduling information corresponding to each server in a network connection layout, analyzing the scheduling information and extracting a tail end server without a lower level and a head end server without an upper level;
step 22: respectively acquiring a superior server corresponding to each terminal server, recording the superior server as a first server, acquiring a superior server corresponding to the first server, and recording the superior server as a second server until a head-end server is acquired;
step 23: and establishing a relation corresponding list according to the superior-subordinate relation between different servers.
4. The intelligent offloading method based on SD-WAN as in claim 1, wherein step 3 comprises:
step 31: collecting a transmission command corresponding to each server, performing first analysis on the transmission command to obtain a data packet generated by the corresponding server, sequencing the servers in sequence according to the data volume in the data packet, and establishing a transmission priority for each server;
step 32: performing second analysis on the transmission command to obtain receiving servers corresponding to the data packets, counting the number of the data packets received by each receiving server, sequencing the receiving servers in sequence according to the number of the received data packets, and establishing a receiving priority for each receiving server;
step 33: marking the priority corresponding to each server on a network connection layout chart, acquiring a target server with the highest priority and a target receiving server corresponding to the target server, recording the rest servers as servers to be connected, combining the relationship correspondence list to obtain a plurality of transmission paths between the target server and the target receiving server, sequentially acquiring a plurality of transmission paths between each server to be connected and the corresponding receiving server to be connected, and establishing a transmission path correspondence list.
5. The intelligent offloading method of claim 1, wherein step 4 comprises:
step 41: establishing a virtual network model according to the network connection layout, and marking a plurality of virtual transmission paths corresponding to each virtual server in the virtual network model;
step 42: respectively inputting detection data packets for the virtual transmission paths corresponding to each virtual server, acquiring the virtual transmission time length corresponding to each virtual transmission path, and sequencing the virtual transmission paths corresponding to the same virtual server in sequence based on the virtual transmission time length to obtain a path sequence corresponding to each virtual server;
step 43: selecting a first virtual transmission path in each path sequence from the virtual network model, and transmitting a detection data packet through each virtual transmission path respectively; extracting a target first virtual transmission path with transmission failure, acquiring a target path sequence corresponding to the target first virtual transmission path, and extracting a second virtual transmission path from the target path sequence;
and step 44: replacing the corresponding target first virtual transmission path with a second virtual transmission path, and then respectively transmitting the detection data packets, if the current virtual transmission path comprises a virtual path with transmission failure, circularly selecting a corresponding next virtual transmission path until each current virtual transmission path selected in the virtual network model successfully transmits the detection data packets;
step 45: the method comprises the steps of obtaining current virtual transmission paths marked in a virtual network model, obtaining actual transmission paths corresponding to the current virtual transmission paths, marking as target transmission paths, and transmitting data packets to corresponding receiving servers by a control server through the corresponding target transmission paths.
6. The intelligent offloading method based on SD-WAN as in claim 3, wherein step 21 comprises:
step 211: respectively acquiring server channel information corresponding to each server in the network layout;
step 212: analyzing server channel information to obtain historical receiving-transmitting information of each server and server replacement information, and establishing scheduling information;
step 213: respectively traversing the first sub information and the last sub information corresponding to each piece of scheduling information, and extracting first scheduling information without the first sub information and second scheduling information without the last sub information;
step 214: and acquiring a first server corresponding to the first scheduling information, and recording the first server as a head end server, and acquiring a second server corresponding to the second scheduling information, and recording the second server as a tail end server.
7. The intelligent offloading method based on an SD-WAN of claim 1, further comprising:
acquiring a target transmission path between each server and a receiving server, and counting the used time length corresponding to each target transmission path;
selecting a target transmission path with the used time length longer than the preset time length and the maximum used time length, and recording the target transmission path as a high-quality target transmission path;
and when the control server transmits the data packet, preferentially selecting a corresponding high-quality target transmission path.
8. The intelligent offloading method based on an SD-WAN of claim 1, further comprising:
when a server transmits data packets to a plurality of receiving servers respectively, a target transmission path between the server and each receiving server is obtained for synchronous transmission.
9. The intelligent offloading method based on SD-WAN of claim 2, wherein step 13 comprises:
step 131: acquiring network topology data of each LAN-WAN;
step 132: analyzing the network topology data to obtain a data input end and a data output end of each LAN-WAN;
step 133: acquiring the connection mode of a data input end and a data output end of a LAN-WAN with a connection relation to obtain a logic relation between different LANs-WANs;
step 134: and (4) according to the logical relationship between different LAN-WANs, laying out the sub-network corresponding to each LAN-WAN to generate a network layout diagram.
10. The intelligent offloading method based on an SD-WAN of claim 5, further comprising:
tracking real-time transmission information corresponding to each data packet in the process that the server transmits the data packet to a corresponding receiving server by using a corresponding target transmission path;
analyzing the real-time transmission information to obtain the transmission progress of the corresponding data packet;
and when the transmission progress of the data packet in a preset time period is smaller than the preset transmission progress, determining that the corresponding target transmission path is invalid, selecting a new transmission path to replace the target transmission path, and transmitting the data packet to the corresponding receiving server by using the replaced target transmission path through the control server.
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