CN115695523A - Data transmission control method and device, electronic equipment and storage medium - Google Patents
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Abstract
The application discloses a data transmission control method, a data transmission control device, electronic equipment and a storage medium, which are used for solving the problems of higher requirements on the performance and the capacity of network equipment and low data transmission efficiency in the data transmission process of the existing computational power network, and the method is applied to a computational power 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 requested target service; determining a target edge calculation force 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 power 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 power node.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission control method and apparatus, 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 allocating 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 generally multiple Edge Computing nodes (MECs) that can provide services for the service, and after an entry node of the computational network receives a service request, it is necessary to select a computational node with optimal computational resources and network resources in combination according to the service request to provide services for the service, however, since computational resources and network resources are dynamically changed, the optimal computational node may change during a service lifecycle, for example, a computational node 1 is selected for a service at a certain time, and a computational node 2 may be selected at the next time due to a change in network resources and/or computational resources, so that a packet of a data stream of a service is dispersed to different computational nodes to be processed, thereby causing an interruption of the data stream of the service, and therefore, it is necessary to send packets in the data stream of the same service to the same computational node to be processed, that a data stream of the service has a sticky "requirement" for the computational node, and a first packet of a data stream of a service is sent to a subsequent computational node to process the data stream, and all packets of the computational node are sent to the computational node to be processed.
In the related art, a network device (e.g., a routing device) maintains viscosity of a data flow of a service, the network device maintains a flow table (or called Session table) for each data flow of the service, and the flow table includes a flow identifier (e.g., a quintuple) and an identifier of an algorithm node providing a service for the service.
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 computational power network, embodiments of the application provide a data transmission control method and apparatus, an electronic device, and a storage medium.
In a first aspect, an embodiment of the present application provides a data transmission control method implemented by a controller, which is applied to a computational 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 requested target service;
determining a target edge calculation force 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 power 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 power node.
In a possible implementation manner, determining a target edge computation node providing the target service for the terminal based on the identification information of the target service specifically includes:
determining each edge calculation force node corresponding to the target service based on the identification information of the target service;
computing power information and network information of each edge computing power node corresponding to the target service are obtained;
and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection Quic;
returning a connection establishment response message to the terminal, which specifically comprises:
and carrying the identification information of the target edge computing power node in a Quic message and returning the Quic message to the terminal.
In a possible embodiment, 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 with the terminal.
In a possible implementation manner, before the controller in the computational power network system receives a preset connection establishment request initiated by a terminal, the method further includes:
and acquiring identification information of each edge computing power node in the computing power network system.
In a second aspect, an embodiment of the present application provides a data transmission control apparatus implemented on a controller side, which is applied to a computational power network system, and the apparatus includes:
a first receiving unit, configured to receive a preset connection establishment request initiated by a terminal, where the preset connection establishment request carries identification information of a requested target service;
a determining unit, configured to determine, based on the identification information of the target service, a target edge calculation force node that provides the target service for the terminal;
a returning unit, configured to return a connection establishment response message to the terminal, where the connection establishment response message includes identification information of the target edge computation force node, so that the terminal replaces a destination IP address in each data packet in a data stream for the target service with an identification of the target edge computation force node.
In a possible implementation manner, the determining unit is specifically configured to determine, based on the identification information of the target service, each edge computation force node corresponding to the target service; computing power information and network information of each edge computing power node corresponding to the target service are obtained; and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
and the returning unit is specifically configured to carry the identification information of the target edge computing force node in a Quic message and return the Quic message to the terminal.
In a possible embodiment, 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 with the terminal.
In a possible implementation, the apparatus further includes:
and a second receiving unit, configured to obtain identification information of each edge computational power node in the computational power network system before a controller in the computational power network system receives a preset connection establishment request initiated by a terminal.
In a third aspect, an embodiment of the present application provides a data transmission control method implemented by a terminal side, which is applied to a computational power network system, and the method includes:
a terminal initiates a preset connection establishment request to a controller in the computing power network system, wherein the preset connection establishment request carries identification information of a requested target service;
receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computational power node which provides the target service for the terminal, and the target edge computational power 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 stream aiming at the target service with the identification of the target edge algorithm node.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
receiving a connection establishment response message returned by the controller, specifically including:
and receiving a Quic message returned by the controller, and extracting the identification information of the target edge calculation force node from the Quic message.
In a possible implementation manner, the initiating, by the terminal, a preset connection establishment request to the controller in the computing power network system 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, specifically including:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the controller.
In a fourth aspect, an embodiment of the present application provides a data transmission control device implemented on a terminal side, where the data transmission control device is applied to a computational power network system, and the device includes:
a connection request unit, configured to initiate a preset connection establishment request to a controller in the computational power network system, where the preset connection establishment request carries identification information of a requested target service;
a receiving unit, configured to receive a connection establishment response message returned by the controller, where the connection establishment response message includes identification information of a target edge computation force node that provides the target service for the terminal, and the target edge computation force 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 stream of the target service with the identifier of the target edge calculation node.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
the receiving unit is specifically configured to receive a Quic packet returned by the controller, and extract identification information of the target edge computation force node from the Quic packet.
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 on the memory and executable on the processor, where the processor implements the data transmission control method described in the present application when executing the program.
In a sixth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the data transmission control method described in the present application.
The beneficial effect of this application is 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 computational power network system, a controller in the computational power 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 computational power node providing the target service for the terminal based on the identification information of the target service, and returns a connection establishment response message to the terminal, the connection establishment response message carries the identification information of the target edge computational power node, the terminal replaces a target IP address in each data message in a data stream aiming at the target service with the identification information of the target edge computational power node, so that the terminal can directly send each data message in the data stream of the target service to the corresponding target edge computational power node through the computational power network according to the identification of the target edge computational power node, the network equipment in the computational power network system does not need to maintain a large amount of data for different services, and the network equipment does not need to perform synchronous processing when the terminal position moves, the requirement of the data stream of the service on the viscosity of the computational power node is met, and the performance and the network equipment and the transmission efficiency of the data stream is improved.
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 the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof 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 application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of an application scenario of a data transmission control method according to an embodiment of the present application;
fig. 2 is a schematic flow chart illustrating an implementation of a data transmission control method according to an embodiment of the present application;
FIG. 3 is a diagram illustrating a format of a Quic message;
fig. 4 is a schematic implementation flowchart of a data transmission control method implemented by a controller according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a data transmission control device implemented on 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 apparatus implemented on 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, embodiments of the present application provide a data transmission control method, an apparatus, an electronic device, 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 should be understood that the preferred embodiments described herein are merely for illustrating and explaining the present application, and are not intended to limit the present application, and that the embodiments and features of the embodiments in the present application 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 provided in an embodiment of the present application, and is an exemplary diagram of a computational power network system, assuming that the computational power network system includes a controller and an edge computational power node: edge compute node MEC-1, edge compute node MEC-2, edge compute node MEC-3, and network devices IR1, IR2, IR3, RR, ER1, ER2, ER3. The edge computing power nodes MEC-1, MEC-2, and MEC3 can provide services for the business application 1 and the business application 2, the edge computing power nodes include a computing power sensing module, the computing power sensing module is used for collecting computing power information of the edge computing power nodes, the computing power sensing module includes BGP (Border Gateway Protocol) Speaker (example), the BGP Protocol is a dynamic routing Protocol, the controller respectively establishes BGP connection with the BGP Speaker in the edge computing power nodes MEC-1, MEC-2, and MEC3 through the BGP Protocol, and collects computing power information in the MEC-1, MEC-2, and MEC3, and the computing power information of the edge computing power nodes can be but is not limited to a combination of one or more of the following information: dynamic information such as CPU (Central Processing Unit) occupancy rate, service Processing delay, number of service connections, and the like. The network device may be, but not limited to, a routing device, the network device IR1, IR2, IR3, RR, ER1, ER2, ER3 and the controller are connected through a network, the network device ER1 and a BGP Speaker in the computing power sensing module of the edge computing power node MEC-1 establish BGP connection through a BGP Protocol, the network device ER1 may acquire identification information (which may be denoted as BID 1) of the edge computing power node MEC-1 and report the identification information to the controller, the network device ER2 and a BGP Speaker in the computing power sensing module of the edge computing power node MEC-2 establish BGP connection through the BGP Protocol, the network device ER2 may acquire identification information (which may be denoted as BID 2) of the edge computing power node MEC-2 and report the identification information to the controller, the network device ER3 and a BGP Speaker in the computing power sensing module of the edge computing power node MEC-3 establish connection through the BGP Protocol, the network device ER3 may acquire identification information (which may be denoted as BID 3) of the edge computing power node MEC-3, and may also acquire identification information (which may be denoted as unique identifiers of the Internet computing power nodes and store the identifiers of the Internet, and the controller may store the identifiers of the Internet nodes, and the Internet Protocol: BID1 is the IP address of edge calculation force node MEC-1, BID2 is the IP address of edge calculation force node MEC-2, and BID,3 is the IP address of edge calculation force 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 devices 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 information: port information of the network device, network bandwidth information, network delay information, etc. The terminal can access the computing power network through the fixed access network, when the terminal requests a target service, a Quic (Quick user datagram 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 the network equipment IR1 connected with the terminal, when the network equipment IR1 determines that the received data sent by the terminal is the Quic Connection establishment request, the Quic Connection establishment request is forwarded to the controller according to a default route, the controller determines an identification of an edge computing power node corresponding to the identification of the target service according to a corresponding relation between the pre-stored identification of the service and the identification of the edge computing power node, and determines a corresponding edge computing power node capable of providing the computing power service for the target service according to the identification of the edge computing power node, assuming that a target service requested by a terminal is a service application 1, edge computing power nodes capable of providing computing power service for the service application 1 are MEC-1, MEC-2 and MEC-3, the network device IR1 reports current network information to a controller and synchronizes the network information with other network devices IR2, IR3, RR, ER1, ER2 and ER3, the other network devices IR2, IR3, RR, ER1, ER2 and ER3 report the current network information to the controller after receiving network information synchronization information of the IR1, or the controller actively acquires the current network information from the network devices when receiving a Quic Connection establishment request, collects the current computing power information of the edge computing power nodes MEC-1, MEC-2 and MEC-3, and calculates the computing power information based on the edge computing power nodes MEC-1, MEC-2 and MEC-3 and the IR1 of each network device, the network information reported by IR2, IR3, RR, ER1, ER2 and ER3 determines an optimal target edge computing power node for providing computing power service for a target service, assuming that the determined target edge computing power node is MEC-1, the controller carries identification information (namely IP address of MEC-1: BID 1) of the target edge computing power node MEC-1 in a Quic message and sends the Quic message to the network equipment IR1, the network equipment IR1 forwards the Quic message to a terminal, the terminal extracts the identification information of the target edge computing power node MEC-1 from the Quic message returned by the controller, and then the terminal replaces a target IP address in each data stream of the target service with the identification of the target edge computing power 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 algorithm node MEC-1: the BID1 is used for sending all messages in the data stream of the target service to the edge computing force node MEC-1 in the service period, the MEC-1 provides service for the terminal, even if the position of the terminal moves, the messages in the data stream of the target service can be accurately sent to the edge computing force node MEC-1, and the network equipment does not need to maintain a large number of flow tables for the data stream of a large number of services, so that the requirements on the performance and the capacity of the network equipment are reduced while the viscous requirements of the data stream of the service on the computing force node are met, and the data transmission efficiency is improved.
It should be noted that, since the functions of the network device in the embodiment of the present application are different from those of an existing network device, and the network device can collect and synchronize information of the edge computational power node, the network device in the embodiment of the present application may also be referred to as a computational power network device. The routing protocol in the embodiment of the present application is not limited to use of the BGP protocol, and the present application only takes the BGP protocol as an example for description, and during implementation, a corresponding routing protocol may be selected according to actual needs.
Based on the above application scenarios, exemplary embodiments of the present application will be described in more detail below with reference to fig. 2 to 7, it should be noted that the above application scenarios are only shown for the convenience of understanding the spirit and principles of the present application, and the embodiments of the present application are not limited in any way herein. Rather, embodiments of the present application may be applied to any scenario where applicable.
As shown in fig. 2, which is a schematic view of an implementation flow of a data transmission control method provided in an embodiment of the present application, the data transmission control method may be applied to the computational power network system, and specifically may 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.
In specific implementation, the terminal accesses the computational power network through the fixed access network, when the terminal requests a certain target service, a preset connection establishment request is initiated to the controller, and the preset connection establishment request is sent to the network equipment connected with the preset connection establishment request, 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, a quickconnection establishment request, in this embodiment, the quickconnection establishment request is only used as an example for description, if the preset connection establishment request is the quickconnection establishment request, the terminal initiates a quickhandshake flow to the controller, and the quickconnection establishment request may include: the Client Hello message and the application data, wherein 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, and in the embodiment of the present application, only the routing device is taken as an example for description.
And S12, the network equipment forwards the preset connection establishment request to the controller.
In specific implementation, the routing equipment sets a routing rule in advance, if the received data message sent by the terminal is a Quic connection establishment request, the Quic connection establishment request is routed to the controller in a default mode, and the controller further selects an optimal computing node for the terminal to provide computing service for the target service.
Specifically, when the routing equipment receives a Quic connection establishment request sent by the terminal equipment, the Quic connection establishment request is forwarded to the controller according to a preset routing rule.
And S13, the controller determines each edge calculation force node corresponding to the target service based on the identification information of the target service.
In specific implementation, the controller determines the identifier of each edge calculation force node corresponding to the identifier of the target service according to the corresponding relationship between the pre-stored service identifier and the identifier of the edge calculation force node, and can determine each corresponding edge calculation force node capable of providing calculation force service for the target service according to the identifier of each edge calculation force node.
Wherein, the identification of the edge computation force node can be the IP address of the edge computation force node.
Before establishing and storing the correspondence between the service identifier and the edge computational power node identifier, the identifier of each edge computational power node in the computational power network system may be obtained, but is not limited to, by:
in the first mode, the network device (routing device) which establishes the BGP connection with the edge force computing node acquires the identifier information of the edge force computing node from the edge force computing node, and the network device (routing device) which establishes the BGP connection with the edge force computing node reports the acquired identifier of the edge force computing node to the controller.
And secondly, the controller establishes BGP connection with each edge computational power node, and actively acquires identification information of the corresponding edge computational power node from each edge computational power node.
S14, the controller obtains computing power information of each edge computing power node corresponding to the target service.
In specific implementation, the controller collects current force calculation information of each edge force calculation node from each edge force calculation node corresponding to the target service based on the BGP connection established with each edge force calculation node corresponding to the target service, where the force calculation information of an edge force calculation node may include, but is not limited to, a combination of one or more of the following information: CPU occupancy rate, service processing delay, service connection number and other dynamic information.
And S15, the controller acquires network information in the computing power network system.
In specific implementation, after receiving a request for establishing a quick connection sent by a terminal, a routing device can actively report current network information to a controller, and synchronize the network information with other routing devices in a computational power network system, and after receiving a network information synchronization message from any routing device, other routing devices report current network information acquired by themselves to the controller. Or, after receiving the quick connection establishment request, the controller may actively acquire current network information from each routing device in the computing network system, and if the current network information is not changed, the controller may also locally acquire network information uploaded last time by the routing device, which is not limited in the embodiment of the present application. Wherein, the network information may include, but is not limited to, one or a combination of the following information: port information of a network device (i.e., a routing device), network bandwidth information, network latency information, and the like.
In the embodiment of the present application, the execution sequence of step S14 and step S15 is not limited, and step S14 and step S15 may be executed simultaneously.
And S16, the controller determines target edge calculation force nodes for providing the target service for the terminal based on calculation force information and network information of each edge calculation force node corresponding to the target service.
In specific implementation, the controller selects an optimal forwarding path to determine the target edge calculation force node providing the target service for the terminal based on the calculation force information of each edge calculation force node corresponding to the target service and the network information reported by each routing device.
Still taking the target service requested by the UE in fig. 1 as an example of the service application 1, assume that a path through which data sent by the UE reaches the edge computation node MEC-1 is as follows: sending the data to a next node ER1 through routing equipment IR1, sending the data to an edge calculation force node MEC-1 through ER1, and recording the data as a path 1; the path of the data sent by the UE to the edge calculation force node MEC-2 is as follows: sending the data to a next node ER2 through routing equipment IR1, then sending the data to an edge calculation force node MEC-2 through ER2, and recording the data as a path 2; the path for the data sent by the UE to reach the edge computation node MEC-3 is: and sending the data to the next node ER3 through the routing equipment IR1, and then sending the data to the edge calculation force node MEC-3 through the ER3, and recording the data as a 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 of a certain data packet 1 when passing through 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 when passing through ER1 is t2, the path delay from the routing equipment IR1 to the routing equipment ER1 is t2-t1=15ms, the current service processing delay of the edge computation force node MEC-1 is assumed to be 20ms, and the CPU occupancy rate is 20%; the time stamp of the data message 2 when passing through the IR1 is assumed to be t3, the time stamp of the data message 2 when passing through the ER2 is assumed to be t4, the path delay from the routing equipment IR1 to the routing equipment ER2 is t4-t3=5ms, and the current service processing delay of the edge computation force node MEC-2 is assumed to be 21ms; the timestamp of the data message 3 when passing through the IR1 is assumed to be t5, the timestamp of the data message 3 when passing through the ER3 is assumed to be t6, the path delay from the routing device IR1 to the routing device ER3 is t6-t5=10ms, and the current service processing delay of the edge computation force node MEC-3 is assumed to be 22ms. Taking the delay as an example, assuming that a service request of the UE requests the controller for a delay requirement of 30ms, the total delay of path 1 is: the path delay of the network + the traffic delay of MEC-1 =15+20=35ms, and the total delay of path 2 is: the path delay of the network + the traffic delay of MEC-2 =5+21=26ms, and the total delay of path 3 is: the path delay of the network + the service delay of MEC-3 =10+22=32ms, so that it can be seen that path 1 and path 3 do not satisfy the service delay requirement, and path 2 can satisfy the service delay requirement, and then path 2 can be selected as a target path, and the edge power node MEC-2 is selected as a target edge power node for providing service for a target service requested by a 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 power node.
In specific implementation, the controller carries the identification information of the target edge computation force 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 forwards a Quic connection establishment request initiated by the terminal to the controller.
Specifically, the controller sends a Quic message carrying identification information of the target edge computing power node to a routing device connected with the terminal. As shown in fig. 3, it is a schematic diagram of a format of a Quic message, the Quic message includes a Header and Data, each field in the Header is plaintext, the Data is transmitted using ciphertext, the Header includes: flags (1 Byte), connection ID (8 Byte), QUIC Version (4 Byte), packet Number (1-6 Byte). Wherein Flags is used to indicate information such as the length of the Connection ID, the length of the Packet Number, and the like, and the Connection ID: the client (terminal) randomly selects an unsigned integer with the maximum length of 8 bytes, the length is negotiable, QUIC Version represents the Version Number of the Quic protocol, the Version Number is an optional field with 4 bytes, the length of the Packet Number depends on two-Bit values of Bit4 and Bit5 in Public Flag, the maximum length is 6 bytes, the sending end sets the Packet Number in each common notification message, the sequence Number of the first data Packet sent by the sending end is 1, and the sequence numbers in the subsequent data packets are all larger than the sequence Number in the previous data Packet. Data contains 1-N frames, frame 1-Frame N, and one Frame contains a Frame Type (1 Byte) and Payload section. The identifier of the target edge computation force node may be carried in Payload of a Frame, for example, a Frame Type (that is, a Frame Type) is a cryptto Frame, a Quic _ transport _ parameters (such as a preferred address) transmission parameter may be carried in the cryptto Frame, the identifier of the target edge computation force node may be carried in a preferred address transmission parameter field, a Frame carrying the identifier of the target edge computation force node is not limited to a cryptto Frame, for example, a Quic message includes an Ack Frame, and the identifier of the target edge computation force node may also be carried in an Ack Frame, which is not limited in the embodiments of the present disclosure.
And S18, the network equipment forwards the connection establishment response message to the terminal.
In specific implementation, the routing device connected with the terminal forwards a Quic packet carrying identification information of the target edge calculation force node returned by the controller to the terminal.
S19, 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 calculation force node.
In specific implementation, the terminal receives a Quic message which is forwarded by the routing device and carries identification information of a target edge computing power node, analyzes the Quic message, extracts an identification of the target edge computing power node, namely an IP address of the target edge computing power node, from an agreed predicted _ address transmission parameter field, and replaces a target IP address in each data message in a data stream for a target service with the IP address of the target edge computing power node.
In the data transmission control method provided in the embodiment of the application, a controller in a computational power 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 each edge computational power node corresponding to the target service based on the identification information of the target service, the controller obtains computational power information of each edge computational power node corresponding to the target service and network information in the computational power network system, determines a target edge computational power node providing the target service for the terminal based on the computational power information and the network information of each edge computational power node, returns a connection establishment response message to the terminal, the connection establishment response message carries the identification information of the target edge computational power node, the terminal replaces a target IP address in each data message in a data stream of the target service with the identification information of the target edge computational power node, so that the terminal can directly send each data message in the data stream of the target service to the corresponding target edge computational power node through the computational power network according to the identification of the target edge computational power node, and the network device does not need to maintain different service locations and simultaneously process a large amount of data flow, and the data flow synchronization requirements of the network device are met.
Based on the same inventive concept, embodiments of the present application further provide a data transmission control method implemented by a controller side, and since a 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, reference may be made to implementation of the data transmission method for implementation of the data transmission control method implemented by the controller side, and repeated details are not repeated.
As shown in fig. 4, which is a schematic implementation flow diagram of a data transmission control method implemented by a controller according to an embodiment of the present application, the method is applied to a computational power network system, and may include the following steps:
s21, a controller in the computing network system receives a preset connection establishment request initiated by a terminal, wherein the preset connection establishment request carries identification information of a requested target service.
And S22, determining a target edge calculation force node for providing the target service for the terminal based on the identification information of the target service.
And S23, returning a connection establishment response message to the terminal, wherein the connection establishment response message contains identification information of the target edge computing power node, so that the terminal replaces a target IP address in each data message in the data stream aiming at the target service with the identification of the target edge computing power node.
In a possible implementation manner, determining a target edge calculation force node for providing a target service for a terminal based on identification information of the target service specifically includes:
determining each edge calculation force node corresponding to the target service based on the identification information of the target service;
computing power information and network information of each edge computing power node corresponding to the target service are obtained;
and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
returning a connection establishment response message to the terminal, specifically comprising:
and carrying the identification information of the target edge computing power node in a Quic message and returning the Quic message to the terminal.
In a possible embodiment, 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 with the terminal.
In a possible implementation manner, before the controller in the computational power network system receives a preset connection establishment request initiated by a terminal, the method further includes:
and acquiring identification information of each edge computational power node in the computational power network system.
Based on the same inventive concept, embodiments of the present application further provide a data transmission control device implemented by a controller side, and as the principle of solving the problem of the data transmission control device implemented by the controller side is similar to that of the data transmission control method, the implementation of the data transmission control device implemented by the controller side can refer to the implementation of the data transmission method, and repeated details are 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, where the data transmission control device 30 is applied to a computational power network system, 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 requested target service;
a determining unit 32, configured to determine, based on the identification information of the target service, a target edge computation force node that provides the target service for the terminal;
a returning unit 33, configured to return a connection establishment response message to the terminal, where the connection establishment response message includes identification information of the target edge computation force node, so that the terminal replaces a destination IP address in each data packet in a data stream for the target service with an identification of the target edge computation force node.
In a possible implementation manner, the determining unit 32 is specifically configured to determine, based on the identification information of the target service, each edge computation force node corresponding to the target service; computing power information and network information of each edge computing power node corresponding to the target service are obtained; and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection Quic;
the returning unit 33 is specifically configured to carry the identification information of the target edge computation force node in a query message and return the query message to the terminal.
In a possible embodiment, 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 with the terminal.
In a possible implementation, the apparatus further includes:
and a second receiving unit, configured to obtain identification information of each edge computational power node in the computational power network system before a controller in the computational power network system receives a preset connection establishment request initiated by a terminal.
Based on the same inventive concept, embodiments of the present application further provide a data transmission control method implemented by a terminal side, and since the principle of solving the problem of the data transmission control method implemented by the terminal side 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 repeated parts are not described again.
As shown in fig. 6, which is a schematic diagram of an implementation flow of a data transmission control method implemented by a terminal side according to an embodiment of the present application, where the method is applied to a computational power network system, and may include the following steps:
s41, the terminal initiates a preset connection establishment request to a controller in the computing network system, wherein the preset connection establishment request carries identification information of a requested target service.
And S42, receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge power node for providing the target service for the terminal, and the target edge power node is determined by the controller based on the identification information of the target service.
S43, replacing the destination IP address in each data message in the data stream aiming at the target service with the identification of the target edge calculation force node.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
receiving a connection establishment response message returned by the controller, specifically including:
and receiving a Quic message returned by the controller, and extracting the identification information of the target edge computing power node from the Quic message.
In a possible implementation manner, the initiating, by the terminal, a preset connection establishment request to the controller in the computing power network system 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, specifically including:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the controller.
Based on the same inventive concept, embodiments of the present application further provide a data transmission control device implemented by a terminal side, and since the principle of solving the problem of the data transmission control device implemented by the terminal side is similar to that of the data transmission control method, the implementation of the data transmission control device implemented by the terminal side can refer to the implementation of the data transmission method, and repeated details are omitted.
As shown in fig. 7, which is a schematic structural diagram of a data transmission control device 50 implemented on a terminal side according to an embodiment of the present application, where the data transmission control device 50 is applied to a computing power network system, 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 computational power network system, where the preset connection establishment request carries identification information of a requested target service;
a receiving unit 52, configured to receive a connection establishment response message returned by the controller, where the connection establishment response message includes identification information of a target edge computation force node that provides the target service for the terminal, and the target edge computation force 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 stream for the target service with an identifier of the target edge computation force node.
In a possible implementation manner, the preset connection is a quick user data message protocol internet connection (Quic);
the receiving unit 52 is specifically configured to receive a Quic packet returned by the controller, and extract identification information of the target edge computation force node from the Quic packet.
In a possible implementation manner, the connection requesting 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, an embodiment of the present application further provides an electronic device 600, and referring to fig. 8, the electronic device 600 is configured to implement the data transmission control method described in the foregoing method embodiment, where the electronic device 600 of this embodiment may include: a memory 601, a processor 602, and a computer program, such as a data transfer control program, stored in the memory and executable on the processor. The processor implements the steps in each of the above-described embodiments of the data transmission control method when executing the computer program.
In the embodiment of the present application, a specific connection medium between the memory 601 and the processor 602 is not limited. In the embodiment of the present application, the memory 601 and the processor 602 are connected by a bus 603 in fig. 8, the bus 603 is represented by a thick line in fig. 8, and the connection manner between other components is merely illustrative and not limited thereto. The bus 603 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 8, but this is not intended to represent only one bus or type of bus.
The memory 601 may be a volatile memory (volatile memory), such as a random-access memory (RAM); the memory 601 may also be a non-volatile memory (non-volatile memory) such as, but not limited to, a read-only memory (rom), a flash memory (flash memory), a hard disk (HDD) or a solid-state drive (SSD), or 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. The memory 601 may be a combination of the above memories.
A processor 602 configured to implement the data transmission control method of the various exemplary embodiments provided herein.
The embodiment of the present application further provides a computer-readable storage medium, which stores computer-executable instructions required to be executed by the processor, and includes a program required to be executed by the processor.
In some possible embodiments, various aspects of the data transmission control method provided by the present application may also be implemented in the form of a program product including program code for causing an electronic device to perform the steps in the data transmission control method according to various exemplary embodiments of the present application described above in this specification when the program product is run on the electronic device.
As will be appreciated by one skilled in the art, 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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (18)
1. A data transmission control method is applied to a computing power network system, and the method 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 requested target service;
determining a target edge calculation force 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 power 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 power node.
2. The method according to claim 1, wherein determining a target edge computing power node that provides the target service for the terminal based on the identification information of the target service specifically includes:
determining each edge calculation force node corresponding to the target service based on the identification information of the target service;
computing power information and network information of each edge computing power node corresponding to the target service are obtained;
and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
3. The method of claim 1, wherein the predetermined connection is a quickuserdam internet connection, quic;
returning a connection establishment response message to the terminal, which specifically comprises:
and carrying the identification information of the target edge calculation force node in a Quic message and returning the Quic message to the terminal.
4. The method of claim 1, wherein the pre-set 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 with the terminal.
5. The method of claim 1, wherein before the controller in the computing network system receives a terminal-initiated pre-set connection establishment request, further comprising:
and acquiring identification information of each edge computational power node in the computational power network system.
6. A data transmission control method is applied to a computing power network system, and comprises the following steps:
a terminal initiates a preset connection establishment request to a controller in the computational power network system, wherein the preset connection establishment request carries identification information of a requested target service;
receiving a connection establishment response message returned by the controller, wherein the connection establishment response message contains identification information of a target edge computational power node which provides the target service for the terminal, and the target edge computational power 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 stream aiming at the target service with the identification of the target edge computation force node.
7. The method of claim 6, wherein the predetermined connection is a quickuserdam internet connection, quic;
receiving a connection establishment response message returned by the controller, specifically including:
and receiving a Quic message returned by the controller, and extracting the identification information of the target edge computing power 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 computational power network system, and specifically comprises:
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, specifically including:
and receiving the connection establishment response message returned by the controller forwarded by the network equipment connected with the controller.
9. A data transmission control apparatus, applied to a computational power network system, the apparatus comprising:
a first receiving unit, configured to receive a preset connection establishment request initiated by a terminal, where the preset connection establishment request carries identification information of a requested target service;
a determining unit, configured to determine, based on the identification information of the target service, a target edge calculation force node that provides the target service for the terminal;
a returning unit, configured to return a connection establishment response message to the terminal, where the connection establishment response message includes identification information of the target edge computation force node, so that the terminal replaces a destination IP address in each data packet in a data stream for the target service with an identification of the target edge computation force node.
10. The apparatus of claim 9,
the determining unit is specifically configured to determine, based on the identification information of the target service, each edge calculation force node corresponding to the target service; computing power information and network information of each edge computing power node corresponding to the target service are obtained; and determining a target edge calculation force node for providing the target service for the terminal based on the calculation force information of each edge calculation force node and the network information.
11. The apparatus of claim 9, wherein the predetermined connection is a fast user datagram protocol internet connection (Quic);
and the returning unit is specifically configured to carry the identification information of the target edge computation force node in a Quic message and return the Quic message to the terminal.
12. The apparatus of claim 9, wherein the pre-set 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 with the terminal.
13. The apparatus of claim 9, further comprising:
and a second receiving unit, configured to obtain identification information of each edge computational power node in the computational power network system before a controller in the computational power network system receives a preset connection establishment request initiated by a terminal.
14. A data transmission control apparatus, applied to a computational power network system, the apparatus comprising:
a connection request unit, configured to initiate a preset connection establishment request to a controller in the computational power network system, where the preset connection establishment request carries identification information of a requested target service;
a receiving unit, configured to receive a connection establishment response message returned by the controller, where the connection establishment response message includes identification information of a target edge computational power node that provides the target service for the terminal, and the target edge computational power 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 stream of the target service with the identifier of the target edge calculation node.
15. The apparatus of claim 14, wherein the predetermined 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 identification information of the target edge computation force node from the Quic packet.
16. The apparatus of claim 14,
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.
17. An electronic device comprising a memory, a processor and a computer program stored on said memory and executable on said processor, wherein said processor implements the data transmission control method according to any one of claims 1 to 8 when executing said program.
18. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the data transmission control method according to any one of claims 1 to 8.
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