CN115695523B - Data transmission control method and device, electronic equipment and storage medium - Google Patents
Data transmission control method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The application discloses a data transmission control method, a device, an electronic device and a storage medium, which are used for solving the problems of higher requirements on the performance and capacity of network equipment and low data transmission efficiency in the data transmission process of the existing power calculation network, wherein the method is applied to the power calculation network system and comprises the following steps: a controller in the computing power network system receives a preset connection establishment request initiated by a terminal, wherein the preset connection establishment request carries identification information of a target service of the request; determining a target edge computing node for providing the target service for the terminal based on the identification information of the target service; and returning a connection establishment response message to the terminal, wherein the connection establishment response message contains the identification information of the target edge computing node so that the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission control method, a data transmission control device, an electronic device, and a storage medium.
Background
The computing power network is a novel network architecture integrating computing power and network depth, and is a novel information infrastructure for distributing and flexibly scheduling computing resources, storage resources and network resources among a cloud computing side, an edge computing side and a terminal side according to service requirements. For a service, there are typically multiple edge Computing nodes (Multi-ACCESS EDGE Computing, MEC) in a Computing network, after an ingress node of the Computing network receives a service request, it needs to select Computing resources and network resources to comprehensively optimize Computing nodes according to service requirements to provide services for the service, however, because the Computing resources and the network resources dynamically change, the optimal Computing nodes may change in a service life cycle, for example, computing node 1 is selected for a service at a certain moment, and at a next moment, a message of a data stream of a service may be distributed to different Computing nodes for processing, so that a break of a data stream of the service is caused, and therefore, a message in a data stream of the same service needs to be sent to the same Computing node for processing, that is, the Computing node has a "sticky" requirement for the Computing resources, and a first message of a data stream of the service is sent to the Computing node for processing, and then a message of the data stream of the service is sent to the Computing node for processing.
In the related art, the viscosity of the data flow of the service is maintained by the network device (such as the routing device, etc.), the network device maintains a flow table (or called Session table) for each data flow of the service, where the flow table includes a flow identifier (such as a quintuple) and a power node identifier for providing services for the service, however, this method requires the network device to maintain a large number of flow tables, and has high requirements on performance and capacity of the network device, and there is a problem of mobility of the terminal, if the location of the terminal changes, the network device needs to sense the movement of the location of the terminal and synchronize the flow tables, thereby affecting the data transmission efficiency.
Disclosure of Invention
In order to solve the problems of high requirements on the performance and capacity of network equipment and low data transmission efficiency in the data transmission process of the existing power calculation network, the embodiment of the application provides a data transmission control method, a data transmission control device, electronic equipment and a storage medium.
In a first aspect, an embodiment of the present application provides a data transmission control method implemented by a controller, where the method is applied to a power network system, and the method includes:
A controller in the computing power network system receives a preset connection establishment request initiated by a terminal, wherein the preset connection establishment request carries identification information of a target service of the request;
Determining a target edge computing node for providing the target service for the terminal based on the identification information of the target service;
and returning a connection establishment response message to the terminal, wherein the connection establishment response message contains the identification information of the target edge computing node so that the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
In a possible implementation manner, determining, based on the identification information of the target service, a target edge computing node for providing the target service for the terminal specifically includes:
Determining each edge computing node corresponding to the target service based on the identification information of the target service;
acquiring computing power information and network information of each edge computing power node corresponding to the target service;
And determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
returning a connection establishment response message to the terminal, wherein the method specifically comprises the following steps:
and carrying the identification information of the target edge computing node in Quic messages and returning the identification information to the terminal.
In a possible implementation manner, the preset connection establishment request is forwarded to the controller by a network device connected to the terminal; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
In one possible implementation manner, before the controller in the computing power network system receives the preset connection establishment request initiated by the terminal, the method further includes:
and acquiring identification information of each edge computing node in the computing network system.
In a second aspect, an embodiment of the present application provides a data transmission control device implemented at a controller side, applied to a computing power network system, where the device includes:
the first receiving unit is used for receiving a preset connection establishment request initiated by the terminal, wherein the preset connection establishment request carries identification information of a target service of the request;
a determining unit, configured to determine a target edge computing node for providing the terminal with the target service based on the identification information of the target service;
And the return unit is used for returning a connection establishment response message to the terminal, wherein the connection establishment response message contains the identification information of the target edge computing node so that the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
In a possible implementation manner, the determining unit is specifically configured to determine each edge computing node corresponding to the target service based on the identification information of the target service; acquiring computing power information and network information of each edge computing power node corresponding to the target service; and determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
the return unit is specifically configured to carry the identification information of the target edge computing node in Quic packets and return the identification information to the terminal.
In a possible implementation manner, the preset connection establishment request is forwarded to the controller by a network device connected to the terminal; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
In one possible embodiment, the apparatus further comprises:
The second receiving unit is used for acquiring the identification information of each edge computing node in the computing network system before the controller in the computing network system receives the preset connection establishment request initiated by the terminal.
In a third aspect, an embodiment of the present application provides a data transmission control method implemented at a terminal side, where the method is applied to a power network system, and the method includes:
the terminal initiates a preset connection establishment request to a controller in the power computing network system, wherein the preset connection establishment request carries identification information of a target service of the request;
Receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computing node for providing the target service for the terminal, and the target edge computing node is determined by the controller based on the identification information of the target service;
And replacing the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
receiving Quic message returned by the controller, and extracting the identification information of the target edge computing node from the Quic message.
In a possible implementation manner, the terminal initiates a preset connection establishment request to a controller in the power computing network system, and specifically includes:
The terminal sends the preset connection establishment request to network equipment connected with the terminal, and the network equipment forwards the preset connection establishment request to the controller; and
Receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the connection establishment response message.
In a fourth aspect, an embodiment of the present application provides a data transmission control device implemented at a terminal side, which is applied to a power network system, and the device includes:
A connection request unit, configured to initiate a preset connection establishment request to a controller in the power computing network system, where the preset connection establishment request carries identification information of a target service of the request;
The receiving unit is used for receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computing node for providing the target service for the terminal, and the target edge computing node is determined by the controller based on the identification information of the target service;
and the replacing unit is used for replacing the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
the receiving unit is specifically configured to receive a Quic packet returned by the controller, and extract, from the Quic packet, identification information of the target edge computing node.
In a possible implementation manner, the connection request unit is specifically configured to send the preset connection establishment request to a network device connected to a terminal, and the network device forwards the preset connection establishment request to the controller;
The receiving unit is specifically configured to receive the connection establishment response message returned by the controller and forwarded by the network device connected to the terminal.
In a fifth aspect, an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements the data transmission control method according to the present application when executing the program.
In a sixth aspect, an embodiment of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements steps in a data transmission control method according to the present application.
The beneficial effects of the application are as follows:
The data transmission control method, the device electronic equipment and the storage medium provided by the embodiment of the application are applied to a computing network system, a controller in the computing network system receives a preset connection establishment request initiated by a terminal, the preset connection establishment request carries identification information of a requested target service, the controller determines a target edge computing node for providing the target service for the terminal based on the identification information of the target service, returns a connection establishment response message to the terminal, the connection establishment response message carries the identification information of the target edge computing node, the terminal replaces a destination IP address in each data message in a data stream aiming at the target service with the identification information of the target edge computing node, so that each data message in the data stream of the target service can be directly transmitted to the corresponding target edge computing node through a computing network according to the identification of the target edge computing node, network equipment in the computing network system does not need to maintain a large number of flow tables for different services, and the network equipment does not need to synchronously process the flow tables when the terminal position moves, thereby meeting the demand of the viscosity of the data stream of the service on the computing node, reducing the network performance and the network performance.
Additional features and advantages of the application 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 application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic diagram of an application scenario of a data transmission control method according to an embodiment of the present application;
Fig. 2 is a schematic diagram of an implementation flow of a data transmission control method according to an embodiment of the present application;
FIG. 3 is a diagram illustrating a format of Quic messages;
Fig. 4 is a schematic flow chart of an implementation of a data transmission control method implemented by a controller side according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a data transmission control device implemented at a controller side according to an embodiment of the present application;
Fig. 6 is a schematic implementation flow diagram of a data transmission control method implemented by a terminal side according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a data transmission control device implemented at a terminal side according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to solve the problems in the background art, the embodiment of the application provides a data transmission control method, a data transmission control device, electronic equipment and a storage medium.
The preferred embodiments of the present application will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are for illustration and explanation only, and not for limitation of the present application, and embodiments of the present application and features of the embodiments may be combined with each other without conflict.
Referring first to fig. 1, which is a schematic diagram of an application scenario of a data transmission control method according to an embodiment of the present application, it is an example diagram of a computing network system, and it is assumed that the computing network system includes a controller and edge computing nodes: edge computing node MEC-1, edge computing node MEC-2, edge computing node MEC-3, and network devices IR1, IR2, IR3, RR, ER1, ER2, ER3. Wherein the edge computing nodes MEC-1, MEC-2 and MEC3 can provide service for the service application 1 and the service application 2, the edge computing nodes comprise computing power sensing modules, the computing power sensing modules are used for collecting computing power information of the edge computing nodes, the computing power sensing modules comprise BGP (Border Gateway Protocol ) Speaker (example), the BGP protocol is a dynamic routing protocol, the controller establishes BGP connection with the BGP Speaker in the edge computing nodes MEC-1, MEC-2 and MEC3 through the BGP protocol, Collecting computing power information in MEC-1, MEC-2, MEC3, computing power information of edge computing power nodes can include, but is not limited to, one or more of the following combinations of information: dynamic information such as CPU (Central Processing Unit ) occupancy rate, service processing delay, service connection number, etc. The network device may be, but is not limited to, a routing device, where the network devices IR1, IR2, IR3, RR, ER1, ER2, ER3 are connected to the controller through a network, where the network device ER1 establishes BGP connection with BGP Speaker in the power sensing module of the edge power node MEC-1 through BGP protocol, where the network device ER1 may collect identification information (which may be denoted as BID 1) of the edge power node MEC-1 and report the identification information to the controller, where the network device ER2 establishes BGP connection with BGP Speaker in the power sensing module of the edge power node MEC-2 through BGP protocol, The network device ER2 may collect the identification information (may be denoted as BID 2) of the edge computing node MEC-2 and report to the controller, the network device ER3 establishes BGP connection with BGP Speaker in the computing perception module of the edge computing node MEC-3 through BGP protocol, the network device ER3 may collect the identification information (may be denoted as BID 3) of the edge computing node MEC-3 and report to the controller, and may also collect and store the identification information of each edge computing node by the controller, wherein the edge computing node may use its IP (Internet Protocol ) address as a unique identifier, namely: BID1 is the IP address of the edge computing node MEC-1, BID2 is the IP address of the edge computing node MEC-2, BID 3 is the IP address of the edge computing node MEC-3. The network devices IR1, IR2, IR3, RR, ER1, ER2, ER3 may collect network information and report the network information to the controller, and each time the network information changes, the network device may report current network information to the controller, where the network information may include, but is not limited to, a combination of one or more of the following: port information of network equipment, network bandwidth information, network delay information, etc. the terminal can access the computing network through the fixed access network, when the terminal requests the target service, a Quic (Quick UDP Internet Connection, rapid user data packet protocol internet connection) connection establishment request is initiated to the controller, the Quic connection establishment request carries identification information of the target service requested by the terminal, the terminal sends the Quic connection establishment request to network equipment IR1 connected with the terminal, when the network equipment IR1 determines that the received data sent by the terminal is Quic connection establishment request, the Quic connection establishment request is forwarded to the controller according to a default route, The controller determines the identification of the edge computing node corresponding to the identification of the target service according to the corresponding relation between the identification of the pre-stored service and the identification of the edge computing node, determines the corresponding edge computing node capable of providing computing service for the target service according to the identification of the edge computing node, and if the target service requested by the terminal is service application 1, the edge computing node capable of providing computing service for the service application 1 is MEC-1, MEC-2 and MEC-3, the network device IR1 reports the current network information to the controller and synchronizes the network information with other network devices IR2, IR3, RR, ER1, ER2 and ER3, after each other network device IR2, IR3, RR, ER1, ER2, ER3 receives the network information synchronization message of IR1, current network information is reported to the controller, or the controller can actively acquire the current network information from each network device when receiving Quic connection establishment request, the controller collects the current computing information of edge computing nodes MEC-1, MEC-2 and MEC-3, determines an optimal target edge computing node for providing computing service for target service based on the computing information of edge computing nodes MEC-1, MEC-2 and MEC-3 and the network information reported by each network device IR1, IR2, IR3, RR, ER1, ER2, ER3, Assuming that the determined target edge computing node is MEC-1, the controller carries identification information (i.e. IP address: BID1 of MEC-1) of the target edge computing node being MEC-1 in Quic messages and sends the Quic messages to the network device IR1, the network device IR1 forwards the Quic messages to the terminal, the terminal extracts the identification information of the target edge computing node MEC-1 from Quic messages returned by the controller, and then the terminal replaces the destination IP address in each data message in the data stream of the target service with the identification of the target edge computing node MEC-1, namely: replacing the destination IP address in each data message in the data stream of the target service with the IP address of the target edge computing node MEC-1: the code of BID1 is used to determine, in this way, all messages in the data stream of the target service can be sent to the edge computing node MEC-1 in the service period, the MEC-1 provides services for the terminal, the messages in the data stream of the target service can be accurately sent to the edge computing node MEC-1 even if the position of the terminal moves, and the network equipment does not need to maintain a large number of flow tables for a large number of data streams of the service, so that the requirements on the performance and the capacity of the network equipment are reduced and the data transmission efficiency is improved while the viscosity requirement of the data stream of the service on the computing node is met.
It should be noted that, because the function of the network device in the embodiment of the present application is different from that of the existing network device, it can collect and synchronize the information of the edge computing node, so the network device in the embodiment of the present application may also be referred to as a computing network device. The routing protocol in the embodiment of the application is not limited to the BGP protocol, and the application is only illustrated by taking the BGP protocol as an example, and the corresponding routing protocol can be selected according to actual needs when the application is implemented.
Based on the above application scenario, an exemplary embodiment of the present application will be described in more detail below with reference to fig. 2 to 7, and it should be noted that the above application scenario is only shown for the convenience of understanding the spirit and principle of the present application, and the embodiments of the present application are not limited in any way herein. Rather, embodiments of the application may be applied to any scenario where applicable.
Fig. 2 is a schematic implementation flow chart of a data transmission control method according to an embodiment of the present application, where the data transmission control method may be applied to the foregoing computing network system, and may specifically include the following steps:
S11, the terminal sends a preset connection establishment request to the network equipment connected with the terminal, wherein the preset connection establishment request carries identification information of a target service requested by the terminal.
When the terminal requests a certain target service, the terminal initiates a preset connection establishment request to the controller, and the preset connection establishment request is sent to network equipment connected with the controller, wherein the preset connection establishment request carries identification information of the target service requested by the terminal. The preset connection establishment request may be, but is not limited to, quic connection establishment request, in this embodiment of the present application, only Quic connection establishment request is taken as an example for illustration, if the preset connection establishment request is Quic connection establishment request, the terminal initiates Quic handshake flow to the controller, and the Quic connection establishment request may include: the Client Hello message and application data, the application data is the identification information of the target service requested by the terminal. The network device may be, but is not limited to, a routing device, which is only exemplified in the embodiment of the present application.
And S12, the network equipment forwards a preset connection establishment request to the controller.
In specific implementation, the routing device presets a routing rule, if a received data message sent by the terminal is Quic connection establishment request, the Quic connection establishment request is routed to the controller by default, and the controller further selects an optimal computing node for the terminal to provide computing service for the target service.
Specifically, when the routing device receives the Quic connection establishment request sent by the terminal device, the routing device forwards the Quic connection establishment request to the controller according to a preset routing rule.
S13, the controller determines each edge computing node corresponding to the target service based on the identification information of the target service.
In specific implementation, the controller determines the identification of each edge computing node corresponding to the identification of the target service according to the corresponding relation between the identification of the pre-stored service and the identification of the edge computing node, and can determine the corresponding edge computing node capable of providing computing service for the target service according to the identification of each edge computing node.
The identification of the edge computing node may be an IP address of the edge computing node.
Before establishing and storing the correspondence of the identity of the traffic to the identities of the edge computing nodes, the identity of each edge computing node in the computing network system may be obtained, but is not limited to, by:
In the first mode, the network equipment (routing equipment) which establishes BGP connection with the edge computing node collects the identification information of the edge computing node from the edge computing node, and the network equipment (routing equipment) which establishes BGP connection with the edge computing node reports the collected identification of the edge computing node to the controller.
And in a second mode, the controller establishes BGP connection with each edge computing node, and the identification information of the corresponding edge computing node is actively collected from each edge computing node.
S14, the controller acquires the calculation information of the calculation nodes at each edge corresponding to the target service.
In specific implementation, the controller collects current computing power information of each edge computing power node from each edge computing power node corresponding to the target service based on BGP connection established by each edge computing power node corresponding to the target service, where the computing power information of the edge computing power node may include, but is not limited to, one or more of the following combinations of information: dynamic information such as CPU occupancy rate, service processing time delay, service connection number and the like.
And S15, the controller acquires network information in the power calculation network system.
In the specific implementation, after receiving Quic connection establishment request sent by the terminal, the routing device can actively report current network information to the controller, synchronize network information with other routing devices in the computing network system, and report current network information acquired by itself to the controller after receiving network information synchronization information from any routing device. The embodiment of the application is not limited to this, and the controller may also actively acquire the current network information from each routing device in the power network system after receiving Quic the connection establishment request, and if the current network information does not change, the controller may also locally acquire the network information uploaded by the routing device last time. Wherein the network information may include, but is not limited to, a combination of one or more of the following: port information of a network device (i.e., a routing device), network bandwidth information, network latency information, etc.
The execution order of step S14 and step S15 is not limited in the embodiment of the present application, and step S14 and step S15 may be executed simultaneously.
S16, the controller determines a target edge computing node for providing the target service for the terminal based on computing power information and network information of each edge computing node corresponding to the target service.
In specific implementation, the controller selects an optimal forwarding path to determine a target edge computing node for providing the target service for the terminal based on computing power information of each edge computing node corresponding to the target service and network information reported by each routing device.
Still taking the target service requested by the UE in fig. 1 as an example of service application 1, it is assumed that the path of the data sent by the UE to reach the edge computing node MEC-1 is: the data is sent to the next node ER1 through the routing equipment IR1, and then sent to an edge computing node MEC-1 by ER1, and is marked as a path 1; the path of the data sent by the UE to the edge computing node MEC-2 is as follows: the data is sent to the next node ER2 through the routing equipment IR1, and then sent to an edge computing node MEC-2 by ER2, and is marked as a path 2; the path of the data sent by the UE to the edge computing node MEC-3 is as follows: is sent to the next node ER3 via the routing device IR1 and then sent by ER3 to the edge computing node MEC-3, denoted path 3. Assume that the current network information acquired by the controller from the routing device IR1 includes: the port number is 01, the network bandwidth of the port is 10M, the timestamp when a certain data packet 1 passes through the IR1 is t1, and the current network information acquired by the controller from the routing device ER1 includes: the port number is 02, the network bandwidth of the port is 10M, the timestamp of the data message 1 passing through ER1 is t2, the path delay t 2-t1=15 ms from the routing equipment IR1 to the routing equipment ER1 is assumed that the current service processing delay of the edge computing node MEC-1 is 20ms, and the CPU occupancy rate is 20%; assuming that the time stamp of the data message 2 passing through the IR1 is t3, the time stamp of the data message 2 passing through the ER2 is t4, the path delay t 4-t3=5 ms from the routing device IR1 to the routing device ER2, and assuming that the current service processing delay of the edge computing node MEC-2 is 21ms; assuming that the time stamp of the data packet 3 passing through IR1 is t5, the time stamp of the data packet 3 passing through ER3 is t6, the path delay t 6-t5=10 ms from the routing device IR1 to the routing device ER3, and the current service processing delay of the edge computing node MEC-3 is assumed to be 22ms. Taking the delay as an example, assume that one service request of the UE requests the delay requirement to the controller for 30ms, and the total delay of the path 1 is: the path delay of the network +mec-1 traffic delay=15+20=35 ms, the total delay of path 2 is: the path delay of the network +mec-2 traffic delay=5+21=26 ms, the total delay of path 3 is: the service delay of the path delay +mec-3 of the network=10+22=32 ms, so that it can be seen that the path 1 and the path 3 do not meet the service delay requirement, and the path 2 can meet the service delay requirement, and then the path 2 can be selected as a target path, and the edge computing node MEC-2 is selected as a target edge computing node for providing services for the target service requested by the terminal.
And S17, the controller sends a connection establishment response message to the network equipment connected with the terminal, wherein the connection establishment response message contains identification information of the target edge computing node.
In the implementation, the controller carries the identification information of the target edge computing node in a connection establishment response message and sends the connection establishment response message to the routing equipment connected with the terminal, namely, the routing equipment which forwards the Quic connection establishment request initiated by the terminal to the controller.
Specifically, the controller sends Quic messages carrying identification information of the target edge computing node to the routing equipment connected with the terminal. As shown in fig. 3, which is a schematic diagram of a format of Quic messages, quic messages include a Header and Data, each field in the Header is plaintext, the Data is transmitted using ciphertext, and the Header includes: flag (1 Byte), connection ID (8 Byte), QUIC Version (4 Byte), packet Number (1-6 Byte). The Flags are used for indicating information such as a Connection ID length, a Packet Number length, and the like, and the Connection ID: the maximum length randomly selected by the client (terminal) is an unsigned integer of 8 bytes, the length can be negotiated, QUIC Version represents the Version Number of Quic protocol, which is a 4-byte optional field, the length of Packet Number depends on the values of two bits of Bit4 and Bit5 in Public Flag, the maximum length is 6 bytes, the sender sets Packet Number in each common message, the sequence Number of the first data Packet sent by the sender is 1, and the sequence numbers in the following data packets are all larger than the sequence Number in the previous data Packet. Data contains 1-N frames, frame 1-Frame N, one Frame contains FRAME TYPE (1 Byte) and Payload parts. The identifier of the target edge computing node may be carried in the Payload of the Frame, for example FRAME TYPE (i.e. the Frame type) is a CRYPTO Frame, quic _transport_parameters (Quic transmission parameters), such as the preferred address transmission parameters, may be carried in the cryto Frame, the identifier of the target edge computing node may be carried in the preferred address transmission parameter field, the Frame carrying the identifier of the target edge computing node is not limited to the cryto Frame, such as Quic message contains an Ack Frame, and the identifier of the target edge computing node may also be carried in the Ack Frame, which is not limited in the embodiment of the present application.
And S18, the network equipment forwards the connection establishment response message to the terminal.
In the implementation, the routing device connected with the terminal forwards Quic messages which are returned by the controller and carry the identification information of the target edge computing node to the terminal.
S19, the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
In the implementation, the terminal receives Quic messages carrying identification information of the target edge computing node forwarded by the routing equipment, analyzes the Quic messages, extracts the identification of the target edge computing node from the appointed preferred_address transmission parameter field, namely, the IP address of the target edge computing node, and replaces the destination IP address in each data message in the data stream aiming at the target service with the IP address of the target edge computing node.
According to the data transmission control method provided by the embodiment of the application, a controller in a computing power network system receives a preset connection establishment request initiated by a terminal, the preset connection establishment request carries identification information of a target service requested, the controller determines each edge computing power node corresponding to the target service based on the identification information of the target service, the controller acquires computing power information of each edge computing power node corresponding to the target service and network information in the computing power network system, determines the target edge computing power node for providing the target service for the terminal based on the computing power information of each edge computing power node and the network information, returns a connection establishment response message to the terminal, the connection establishment response message carries the identification information of the target edge computing power node, the terminal replaces a destination IP address in a data stream aiming at the target service with the identification information of the target edge computing power node, so that each data message in the data stream of the target service can be directly transmitted to the corresponding target edge computing power node through a computing power network according to the identification of the target edge computing power node, network equipment in the computing power network system does not need to maintain a large quantity of different service streams, and the network equipment in the network system does not need to be required to be in a network table, and the performance of the network equipment is required to be synchronously processed when the data stream performance of the network is required to be reduced, and the data stream performance of the network is required is reduced.
Based on the same inventive concept, the embodiment of the present application further provides a data transmission control method implemented by the controller side, and since the principle of solving the problem of the data transmission control method implemented by the controller side is similar to that of the data transmission control method, implementation of the data transmission control method implemented by the controller side can refer to implementation of the data transmission method, and repeated parts are omitted.
Fig. 4 is a schematic implementation flow chart of a data transmission control method implemented by a controller side according to an embodiment of the present application, where the method is applied to a computing network system, and may include the following steps:
S21, a controller in the power calculation network system receives a preset connection establishment request initiated by a terminal, wherein the preset connection establishment request carries identification information of a target service of the request.
S22, determining a target edge computing node for providing the target service for the terminal based on the identification information of the target service.
S23, returning a connection establishment response message to the terminal, wherein the connection establishment response message contains identification information of the target edge computing node, so that the terminal replaces the destination IP address in each data message in the data stream aiming at the target service with the identification of the target edge computing node.
In one possible implementation manner, the determining a target edge computing node for providing the target service for the terminal based on the identification information of the target service specifically includes:
Determining each edge computing node corresponding to the target service based on the identification information of the target service;
acquiring computing power information and network information of each edge computing power node corresponding to the target service;
And determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
returning a connection establishment response message to the terminal, wherein the method specifically comprises the following steps:
and carrying the identification information of the target edge computing node in Quic messages and returning the identification information to the terminal.
In a possible implementation manner, the preset connection establishment request is forwarded to the controller by a network device connected to the terminal; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
In one possible implementation manner, before the controller in the computing power network system receives the preset connection establishment request initiated by the terminal, the method further includes:
and acquiring identification information of each edge computing node in the computing network system.
Based on the same inventive concept, the embodiment of the present application further provides a data transmission control device implemented on the controller side, and since the principle of the data transmission control device implemented on the controller side for solving the problem is similar to that of the data transmission control method, the implementation of the data transmission control device implemented on the controller side can refer to the implementation of the data transmission method, and the repetition is omitted.
As shown in fig. 5, which is a schematic structural diagram of a data transmission control device 30 implemented on a controller side according to an embodiment of the present application, the data transmission control device 30 is applied to a computing network system, and the data transmission control device 30 includes:
A first receiving unit 31, configured to receive a preset connection establishment request initiated by a terminal, where the preset connection establishment request carries identification information of a target service of the request;
a determining unit 32, configured to determine a target edge computing node for providing the terminal with the target service based on the identification information of the target service;
and a return unit 33, configured to return a connection establishment response message to the terminal, where the connection establishment response message contains identification information of the target edge computing node, so that the terminal replaces a destination IP address in each data packet in the data flow for the target service with the identification of the target edge computing node.
In a possible implementation manner, the determining unit 32 is specifically configured to determine each edge computing node corresponding to the target service based on the identification information of the target service; acquiring computing power information and network information of each edge computing power node corresponding to the target service; and determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
The returning unit 33 is specifically configured to carry the identification information of the target edge computing node in Quic packets and return the identification information to the terminal.
In a possible implementation manner, the preset connection establishment request is forwarded to the controller by a network device connected to the terminal; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
In one possible embodiment, the apparatus further comprises:
The second receiving unit is used for acquiring the identification information of each edge computing node in the computing network system before the controller in the computing network system receives the preset connection establishment request initiated by the terminal.
Based on the same inventive concept, the embodiment of the present application further provides a data transmission control method implemented by the terminal side, and since the principle of the data transmission control method implemented by the terminal side for solving the problem is similar to that of the data transmission control method, the implementation of the data transmission control method implemented by the terminal side can refer to the implementation of the data transmission method, and the repetition is omitted.
Fig. 6 is a schematic implementation flow chart of a data transmission control method implemented at a terminal side according to an embodiment of the present application, where the method is applied to a power network system, and may include the following steps:
s41, the terminal initiates a preset connection establishment request to a controller in the power network system, wherein the preset connection establishment request carries identification information of a target service of the request.
S42, receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computing node for providing target service for the terminal, and the target edge computing node is determined by the controller based on the identification information of the target service.
S43, the destination IP address in each data message in the data flow aiming at the target service is replaced by the identification of the target edge computing node.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
receiving Quic message returned by the controller, and extracting the identification information of the target edge computing node from the Quic message.
In a possible implementation manner, the terminal initiates a preset connection establishment request to a controller in the power computing network system, and specifically includes:
The terminal sends the preset connection establishment request to network equipment connected with the terminal, and the network equipment forwards the preset connection establishment request to the controller; and
Receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the connection establishment response message.
Based on the same inventive concept, the embodiment of the present application further provides a data transmission control device implemented at a terminal side, and since the principle of the data transmission control device implemented at the terminal side for solving the problem is similar to that of the data transmission control method, the implementation of the data transmission control device implemented at the terminal side can refer to the implementation of the data transmission method, and the repetition is omitted.
As shown in fig. 7, a schematic structural diagram of a data transmission control device 50 implemented at a terminal side according to an embodiment of the present application is shown, where the data transmission control device 50 is applied to a power calculation network system, and the data transmission control device 50 includes:
A connection request unit 51, configured to initiate a preset connection establishment request to a controller in the power network system, where the preset connection establishment request carries identification information of a target service of the request;
a receiving unit 52, configured to receive a connection establishment response message returned by the controller, where the connection establishment response message contains identification information of a target edge computing node that provides the terminal with the target service, and the target edge computing node is determined by the controller based on the identification information of the target service;
A replacing unit 53, configured to replace a destination IP address in each data packet in the data flow for the target service with an identifier of the target edge computing node.
In one possible implementation, the preset connection is a rapid user datagram protocol internet connection Quic;
The receiving unit 52 is specifically configured to receive a Quic packet returned by the controller, and extract, from the Quic packet, identification information of the target edge computing node.
In a possible implementation manner, the connection request unit 51 is specifically configured to send the preset connection establishment request to a network device connected to a terminal, and the network device forwards the preset connection establishment request to the controller;
the receiving unit 52 is specifically configured to receive the connection establishment response message returned by the controller and forwarded by the network device connected to the terminal.
Based on the same technical concept, the embodiment of the present application further provides an electronic device 600, referring to fig. 8, where the electronic device 600 is configured to implement the data transmission control method described in the foregoing method embodiment, and the electronic device 600 of this embodiment may include: a memory 601, a processor 602, and a computer program, such as a data transmission control program, stored in the memory and executable on the processor. The steps of the above embodiments of the data transmission control method are implemented when the processor executes the computer program.
The specific connection medium between the memory 601 and the processor 602 is not limited in the embodiment of the present application. In the embodiment of the present application, the memory 601 and the processor 602 are connected through the bus 603 in fig. 8, the bus 603 is shown by a thick line in fig. 8, and the connection manner between other components is only schematically illustrated and is not limited thereto. The bus 603 may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 8, but not only one bus or one type of bus.
The memory 601 may be a volatile memory (RAM) such as a random-access memory (RAM); the memory 601 may also be a non-volatile memory (non-volatile memory), such as a read-only memory, a flash memory (flash memory), a hard disk (HARD DISK DRIVE, HDD) or a solid-state disk (SSD), or the memory 601 may be any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto. The memory 601 may be a combination of the above memories.
A processor 602 for implementing the data transmission control method according to various exemplary embodiments provided by the present application.
The embodiment of the application also provides a computer readable storage medium which stores computer executable instructions required to be executed by the processor and contains a program for executing the processor.
In some possible embodiments, aspects of the data transmission control method provided by the present application may also be implemented in the form of a program product comprising program code for causing an electronic device to carry out the steps of the data transmission control method according to the various exemplary embodiments of the present application as described in the present specification, when the program product is run on the electronic device.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (18)
1. A data transmission control method applied to a computing power network system, the method comprising:
A controller in the computing power network system receives a preset connection establishment request initiated by a terminal, wherein the preset connection establishment request carries identification information of a target service of the request;
Determining a target edge computing node for providing the target service for the terminal based on the identification information of the target service;
and returning a connection establishment response message to the terminal, wherein the connection establishment response message contains the identification information of the target edge computing node so that the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
2. The method of claim 1, wherein determining a target edge computing node that provides the target service for the terminal based on the identification information of the target service, comprises:
Determining each edge computing node corresponding to the target service based on the identification information of the target service;
acquiring computing power information and network information of each edge computing power node corresponding to the target service;
And determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
3. The method of claim 1, wherein the pre-set connection is a fast user datagram protocol internet connection Quic;
returning a connection establishment response message to the terminal, wherein the method specifically comprises the following steps:
and carrying the identification information of the target edge computing node in Quic messages and returning the identification information to the terminal.
4. The method of claim 1, wherein the preset connection establishment request is forwarded to the controller by a network device connected to the terminal; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
5. The method of claim 1, further comprising, before a controller in the computing network system receives a terminal initiated preset connection establishment request:
and acquiring identification information of each edge computing node in the computing network system.
6. A data transmission control method applied to a computing power network system, the method comprising:
the terminal initiates a preset connection establishment request to a controller in the power computing network system, wherein the preset connection establishment request carries identification information of a target service of the request;
Receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computing node for providing the target service for the terminal, and the target edge computing node is determined by the controller based on the identification information of the target service;
And replacing the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
7. The method of claim 6, wherein the pre-set connection is a fast user datagram protocol internet connection Quic;
receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
receiving Quic message returned by the controller, and extracting the identification information of the target edge computing node from the Quic message.
8. The method of claim 6, wherein the terminal initiates a preset connection establishment request to a controller in the power network system, specifically comprising:
The terminal sends the preset connection establishment request to network equipment connected with the terminal, and the network equipment forwards the preset connection establishment request to the controller; and
Receiving a connection establishment response message returned by the controller, wherein the connection establishment response message specifically comprises:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the connection establishment response message.
9. A data transmission control apparatus for use in a computing power network system, the apparatus comprising:
the first receiving unit is used for receiving a preset connection establishment request initiated by the terminal, wherein the preset connection establishment request carries identification information of a target service of the request;
a determining unit, configured to determine a target edge computing node for providing the terminal with the target service based on the identification information of the target service;
And the return unit is used for returning a connection establishment response message to the terminal, wherein the connection establishment response message contains the identification information of the target edge computing node so that the terminal replaces the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
10. The apparatus of claim 9, wherein the device comprises a plurality of sensors,
The determining unit is specifically configured to determine each edge computing node corresponding to the target service based on the identification information of the target service; acquiring computing power information and network information of each edge computing power node corresponding to the target service; and determining a target edge computing node for providing the target service for the terminal based on the computing information of each edge computing node and the network information.
11. The apparatus of claim 9, wherein the pre-set connection is a fast user datagram protocol internet connection Quic;
the return unit is specifically configured to carry the identification information of the target edge computing node in Quic packets and return the identification information to the terminal.
12. The apparatus of claim 9, wherein the preset connection establishment request is forwarded by a network device connected to the terminal to a controller in the computing network system; and
The connection establishment response message is forwarded to the terminal by a network device connected to the terminal.
13. The apparatus as recited in claim 9, further comprising:
The second receiving unit is used for acquiring the identification information of each edge computing node in the computing network system before the controller in the computing network system receives the preset connection establishment request initiated by the terminal.
14. A data transmission control apparatus for use in a computing power network system, the apparatus comprising:
A connection request unit, configured to initiate a preset connection establishment request to a controller in the power computing network system, where the preset connection establishment request carries identification information of a target service of the request;
the receiving unit is used for receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computing node for providing the target service for the terminal, and the target edge computing node is determined by the controller based on the identification information of the target service;
and the replacing unit is used for replacing the destination IP address in each data message in the data flow aiming at the target service with the identification of the target edge computing node.
15. The apparatus of claim 14, wherein the pre-set connection is a fast user datagram protocol internet connection Quic;
the receiving unit is specifically configured to receive a Quic packet returned by the controller, and extract, from the Quic packet, identification information of the target edge computing node.
16. The apparatus of claim 14, wherein the device comprises a plurality of sensors,
The connection request unit is specifically configured to send the preset connection establishment request to a network device connected to a terminal, where the network device forwards the preset connection establishment request to the controller;
The receiving unit is specifically configured to receive the connection establishment response message returned by the controller and forwarded by the network device connected to the terminal.
17. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the data transmission control method according to any one of claims 1-8 when executing the program.
18. A computer-readable storage medium having stored thereon a computer program, which when executed by a processor performs the steps in the data transmission control method according to any one of claims 1 to 8.
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