CN114866495A

CN114866495A - Resource reservation method, device, network node, computing node and storage medium

Info

Publication number: CN114866495A
Application number: CN202110152468.2A
Authority: CN
Inventors: 付月霞; 杜宗鹏; 刘鹏; 姚惠娟
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2022-08-05

Abstract

The application discloses a resource reservation method, a device, a network node, a computing node and a storage medium, wherein the method comprises the following steps: a first network node sends a first signaling to a first computing node; wherein the first signaling is at least for requesting a reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource.

Description

Resource reservation method, device, network node, computing node and storage medium

Technical Field

The present application relates to the field of network technologies, and in particular, to a resource reservation method and apparatus, a network node, a computing node, and a storage medium.

Background

In order to better satisfy the service requirements, in the related art, a forwarding path of service data is usually calculated according to network requirements such as bandwidth and delay of the service, and then corresponding network resources are reserved on the forwarding path based on a Resource Reservation Protocol (RSVP). However, the related art resource reservation for services does not effectively guarantee service requirements.

Disclosure of Invention

In order to solve the related technical problems, embodiments of the present application provide a resource reservation method, device, network node, computing node, and storage medium.

The technical scheme of the embodiment of the application is realized as follows:

the embodiment of the application provides a resource reservation method, which is applied to a first network node; the method comprises the following steps:

sending a first signaling to a first computing node; wherein the content of the first and second substances,

the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource.

Wherein, in an embodiment, before the sending the first signaling to the first computing node, the method further comprises:

determining the first time parameter based on at least one of:

the reserved termination time of the network resource corresponding to the first data flow;

a network status;

an operational state of the first computing node.

In an embodiment, before the sending the first signaling to the first computing node, the method further comprises:

determining the second time parameter based on the first information; wherein the content of the first and second substances,

the first information characterizes an operational state of the first computing node.

In an embodiment, the method further comprises:

receiving a second signaling sent by the first computing node; the second signaling characterizes the first computing node to confirm that the first computing resources are reserved for the first data flow based on the first time parameter and the second time parameter.

In an embodiment, after the sending the first signaling to the first computing node, the method further comprises:

sending a third signaling; the third signaling is used for requesting to adjust the reserved resources corresponding to the first data stream.

In an embodiment, the third signaling carries at least one of:

a first adjustment amount; the first adjustment amount is used for adjusting the resource amount of the first computing resource;

a fourth time parameter; the fourth time parameter characterizes the adjusted reservation termination time of the first computing resource;

a fifth time parameter; and the fifth time parameter represents the network resource reservation termination time corresponding to the adjusted first data stream.

In an embodiment, CLASS NUM of the Object header of the first signaling is characterized as a first type number; the first type number characterizes the first signaling for requesting reservation of computing resources; alternatively, the first and second electrodes may be,

the first signaling is further configured to request reservation of network resources for a first data flow; CLASS NUM of an Object header of the first signaling is characterized as a second type number; the second type number characterizes that the first signaling is used for requesting to reserve computing resources and network resources.

In an embodiment, CLASS NUM of the Object header of the third signaling is the same as CLASS NUM of the Object header of the first signaling; alternatively, the first and second electrodes may be,

CLASS NUM of an Object header of the third signaling is characterized as a third type number; the third type number represents that the three signaling is used for requesting to adjust reserved resources.

The embodiment of the application also provides a resource reservation method, which is applied to the first computing node; the method comprises the following steps:

receiving a first signaling sent by a first network node; the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

reserving the first computing resource for the first data flow based on the first time parameter and the second time parameter.

Wherein, in an embodiment, the method further comprises:

sending a second signaling to the first network node; the second signaling characterizes the first computing node to confirm that the first computing resources are reserved for the first data flow based on the first time parameter and the second time parameter.

In an embodiment, after said reserving said first computing resources for said first data flow, said method further comprises:

receiving a third signaling; the third signaling is used for requesting to adjust reserved resources corresponding to the first data stream;

adjusting the reservation of the first computing resource based on the third signaling.

In an embodiment, the third signaling carries at least one of:

The embodiment of the present application further provides a resource reservation method, which is applied to a second network node, and the method includes:

after the first network node sends the first signaling to the first computing node, sending a third signaling; the third signaling is used for requesting to adjust reserved resources corresponding to the first data flow; wherein the content of the first and second substances,

In an embodiment, the third signaling carries at least one of the following:

a first adjustment amount; the first adjustment amount is used for adjusting the resource amount of the first computing resource reserved for the first data flow;

In an embodiment, CLASS NUM of the Object header of the third signaling is the same as CLASS NUM of the Object header of the first signaling; the first signaling is used for requesting to reserve first computing resources and/or network resources for the first data flow; alternatively, the first and second electrodes may be,

In an embodiment, the second network node comprises one of:

a control node;

an intermediate routing node;

an interdomain router.

The embodiment of the present application further provides a resource reservation apparatus, including:

a first sending unit, configured to send a first signaling to a first computing node; wherein the content of the first and second substances,

a first receiving unit, configured to receive a first signaling sent by a first network node; the first signaling is used at least for requesting reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

a resource reservation unit, configured to reserve the first computing resource for the first data flow based on the first time parameter and the second time parameter.

a second sending unit, configured to send a third signaling after the first network node sends the first signaling to the first computing node; the third signaling is used for requesting to adjust reserved resources corresponding to the first data flow; wherein, the first and the second end of the pipe are connected with each other,

An embodiment of the present application further provides a first network node, including: a first processor and a first communication interface; wherein the content of the first and second substances,

the first communication interface is used for sending a first signaling to a first computing node; wherein the content of the first and second substances,

the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation starting time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource.

An embodiment of the present application further provides a first computing node, including: a second processor and a second communication interface; wherein the content of the first and second substances,

the second communication interface is used for receiving a first signaling sent by a first network node; the first signaling is used at least for requesting reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

the second processor is configured to reserve the first computing resource for the first data flow based on the first time parameter and the second time parameter.

An embodiment of the present application further provides a second network node, including: a third processor and a third communication interface; wherein the content of the first and second substances,

the third communication interface is configured to send a third signaling after the first network node sends the first signaling to the first computing node; the third signaling is used for requesting to adjust reserved resources corresponding to the first data flow; wherein the content of the first and second substances,

An embodiment of the present application further provides a first network node, including: a first processor and a first memory for storing a computer program capable of running on the processor,

wherein the first processor is configured to execute the steps of the method at any of the first network node sides when running the computer program.

An embodiment of the present application further provides a first computing node, including: a second processor and a second memory for storing a computer program capable of running on the processor,

wherein the second processor is configured to execute the steps of the method of any of the first computing node sides when running the computer program.

An embodiment of the present application further provides a second network node, including: a third processor and a third memory for storing a computer program capable of running on the processor,

wherein the third processor is configured to execute the steps of the method at any of the second network node sides when running the computer program.

An embodiment of the present application further provides a storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of any one of the above methods.

According to the resource reservation method, the resource reservation device, the network node, the computing node and the storage medium provided by the embodiment of the application, a first network node sends a first signaling to a first computing node, wherein the first signaling is at least used for requesting to reserve computing resources for a first data stream; the first signaling is used at least for requesting reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource. The first computing node reserves the first computing resource for the first data flow based on the first time parameter and the second time parameter. Through the reservation of computing resources, the service data can be guaranteed with enough computing power on the computing nodes, so that the service requirement is further guaranteed on the basis of the reservation of network resources.

Drawings

Fig. 1 is a schematic flowchart of a resource reservation method according to an embodiment of the present application;

fig. 2 is a schematic flowchart of another resource reservation method according to an embodiment of the present application;

fig. 3 is a schematic diagram of resource reservation according to an embodiment of the present application;

fig. 4 is a flowchart illustrating a third resource reservation method according to an embodiment of the present application;

FIG. 5 is a flowchart illustrating a resource reservation method according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a resource reservation apparatus according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of another resource reservation apparatus according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a third resource reservation apparatus according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a first network node according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a first computing node according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a second network node according to an embodiment of the present application.

Detailed Description

In order to better satisfy the service requirements, in the related art, a forwarding path of service data is calculated according to network requirements such as bandwidth and delay of the service, and then corresponding network resources, for example, bandwidth resources are reserved on the forwarding path based on RSVP. When the reserved network resource needs to be released, the path removal message corresponding to the forwarding path needs to be sent first, and then the release of the network resource can be completed, so that the reserved termination time cannot be defined clearly, and the reserved start-stop time cannot be defined clearly when the network resource is reserved. In order to better satisfy the Quality of Service (QoS) requirements of services, research results of deterministic network research provide a network resource reservation mechanism, which can specify the start time and duration of network resource reservation and can realize accurate reservation of network resources. However, the processing procedure of the service includes two parts, namely path transmission and node calculation, and network resources and calculation resources are correspondingly occupied respectively. In the related art, the reservation starting and ending time of the computing resources cannot be determined, so that the resource reservation cannot be realized together with the network resources and the computing resources, and the service requirement cannot be effectively guaranteed.

Based on this, the embodiment of the present application provides a method, an apparatus, a network node, a computing node, and a storage medium for reserving a network resource, where a first network node sends a first signaling to a first computing node, where the first signaling is at least used to request to reserve a first computing resource for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource. And reserving a first computing resource for the first data flow by the first computing node based on the first time parameter and the second time parameter, so that the service data can be guaranteed with enough computing power on the computing node, and the service requirement is further guaranteed on the basis of network resource reservation.

The present application will be described in further detail with reference to the following drawings and examples.

An embodiment of the present application provides a resource reservation method, which is applied to a first network node, where the first network node may be a network control node (Controller), and as shown in fig. 1, the method includes:

step 101: first signaling is sent to a first computing node.

Wherein the first signaling is at least for requesting a reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource.

In actual application, before step 101 is executed, a terminal first initiates a service request to a first network node, and the service request carries a corresponding service requirement. The first network node performs resource reservation for the corresponding traffic data stream based on the corresponding traffic demand. In the related art, the resource reservation is resource reservation facing network resources, and includes indicating the network resource reservation amount and the reservation starting and ending time of the network resources based on RSVP. In the embodiment of the present application, the resource reservation scheme in the related art is expanded, and specifically, the first network node maps the corresponding service requirement to the network resource requirement and the computing resource requirement, determines the corresponding network resource reservation policy based on the network resource requirement, and determines the corresponding computing resource reservation policy based on the computing resource requirement. That is, a resource reservation policy for the computing resource is extended on the basis of the resource reservation scheme in the related art, including a start time of the computing resource reservation and an end time of the computing resource reservation.

Here, the first network node sends a first signaling to the first computing node, where the first signaling is at least used to request to reserve a first computing resource for a first data flow, that is, a service data flow, and the first signaling carries a corresponding computing resource reservation policy, where the computing resource reservation policy is determined based on computing resource requirements mapped by corresponding service requirements. In practical application, the first signaling may be an iPath signaling, and illustratively, an iPath message carries reservation state information cookie (i, j) of the data flow i on the computing node j, where the cookie (i, j) represents a computing resource reservation policy of the data flow i on the computing node j, and includes a start time and an end time of computing resources required by the data flow i on the computing node j.

That is, before performing step 101, the first time parameter and the second time parameter carried in the first signaling need to be determined respectively.

Based on this, in an embodiment, before the sending the first signaling to the first computing node, the method further comprises:

determining the first time parameter based on at least one of:

a network status;

an operational state of the first computing node.

Here, a computing resource reservation starting time on the first computing node for the first data flow is determined based on a network resource reservation ending time corresponding to the first data flow. Generally, the reservation starting time of the computing resource on the first computing node is later than the reservation ending time of the corresponding network resource on the forwarding path through which the first data stream is transmitted to the first computing node. Of course, it is understood that the first time parameter may also represent a time earlier than the reservation termination time of the corresponding network resource, or the same as the reservation termination time of the corresponding network resource.

In practical application, when the first time parameter is determined, the first time parameter can be determined by referring to the reserved termination time of the corresponding network resource, and combining the network state and the running state of the first node, and multiple factors participating in decision.

Prior to the sending the first signaling to the first computing node, the method further comprises:

determining the second time parameter based on the first information; wherein, the first and the second end of the pipe are connected with each other,

In practical application, the first network node predicts and obtains the reserved time length of the first computing resource on the first computing node based on the running state of the first computing node, and determines the second time parameter based on the first time parameter and the reserved time length on the basis.

In an embodiment, the method further comprises:

Here, after receiving the first signaling carrying the computing resource reservation policy, the first computing node checks whether the computing node is able to execute the corresponding computing resource reservation policy conditionally, and sends a second signaling to the first network node in a reverse direction if it is determined that the first computing resource can be reserved for the first data flow based on the corresponding computing resource reservation policy. In practical application, the second signaling may be an iResv signaling, and the signaling carries the same reservation state information cookie (i, j) as that in the iPath signaling, so that after receiving the iResv signaling, the first network node can determine, based on the reservation state information cookie (i, j) carried in the iResv signaling, that the computing node j confirms to execute the corresponding computing resource reservation policy.

The foregoing describes a process in which a first network node determines a computing resource reservation policy based on computing resource requirements corresponding to a first data flow, transmits the computing resource reservation policy to the first computing node, and confirms execution of the computing resource reservation policy by the first computing node. It is easy to understand that, in addition to the establishment and transmission of the computing resource reservation policy, the first network node may also establish and transmit the network resource reservation policy according to the related art, and at this time, the first information is also used to indicate that the network resources are reserved for the first data flow. Thus, the obtained network resource reservation policy and the obtained computing resource reservation policy can be respectively characterized as follows: (flow ID, reserved bandwidth, start time t1, end time t 2): (flow ID, reserved computational resources, start time t3, end time t4), where "flow ID" characterizes the data flow of the first data flow, typically t3 is greater than or equal to t 2.

After the first network node issues the resource reservation policy to the first computing node, the network resource and the computing resource are updated, so that the previously established resource reservation policy may not meet the service requirement after the updating, and therefore, the reservation duration of the reserved resource needs to be dynamically adjusted.

Based on this, in an embodiment, after the sending the first signaling to the first computing node, the method further comprises:

sending a third signaling; the third signaling is at least used for requesting to adjust the reserved resources corresponding to the first data flow.

Here, when the network status or the computing node status changes, the network node on the transmission path of the first data flow may initiate the adjustment of the resource reservation policy, where the network node that may initiate the adjustment of the resource reservation policy includes one of:

a control node;

an intermediate routing node;

an interdomain router.

At this time, when the network node initiating the adjustment of the resource reservation policy is the first network node, i.e., the control node, the first network node re-determines the reserved amount of the resource and the corresponding reservation start-stop time based on the real-time network state and the operating state of the computing node. Specifically, when the real-time network delay is larger than the network delay when the network resource reservation strategy is initially formulated, the network resource reservation needs to be applied for delaying, and accordingly the network resource reservation termination time is delayed, and meanwhile, since the service data reaches the computing node after passing through the forwarding path, the delay of the network resource reservation termination time also brings the delay of the computing resource reservation time, and in this case, the network resource reservation termination time and the computing resource reservation termination time both need to be adjusted correspondingly; when the real-time computation delay is larger than the computation delay when the computation resource reservation strategy is initially formulated, the computation resource reservation needs to be applied for delaying, and accordingly the termination time of the computation resource reservation is delayed.

Based on this, at least one of the following is carried in the third signaling:

In practical application, when the resource reservation strategy is issued at the beginning, the reserved computing resources and the corresponding reserved time length are defined by expanding the Object in the RSVP-TE, so that the first computing node can accurately perform computing resource reservation based on the corresponding computing resource reservation strategy.

Based on this, in an embodiment, the CLASS NUM of the Object header of the first signaling is characterized as a first type number; the first type number characterizes the first signaling for requesting reservation of computing resources; alternatively, the first and second electrodes may be,

Here, the first signaling is characterized by a different CLASS NUM for requesting reservation of the computational resources and/or network resources.

In practical applications, CLASS NUM may be defined as 31, and at this time, the first signaling is used to separately request reservation of the computing resources. The message body example shown in table 1 specifies the start and end times for reserving computing resources.

TABLE 1

Alternatively, CLASS NUM may be defined as 30, at which time the first signaling is used to request reservation of both computing resources and network resources. The message body examples shown in table 2 specify the start-stop time for reserving network resources and the start-stop time for reserving computing resources, respectively.

TABLE 2

Based on the protocol format extended above, in case of a change in network status or operating status of a computing node, the CLASS NUM of the Object header of the third signaling is the same as the CLASS NUM of the Object header of the first signaling; alternatively, the first and second electrodes may be,

That is, when adjusting the reserved resources, the same CLASS NUM as that used when initially issuing the reserved resources may be used in the signaling; or, when the reserved resource is adjusted, a new CLASS NUM may be specified, where the CLASS NUM is used to mark a corresponding signaling for requesting adjustment of the reserved resource.

In practical application, the signaling procedure of resource reservation adjustment is similar to the signaling procedure of initial resource reservation, and comprises two types of signaling, namely rPath and rResv. The difference is that in the signaling process of resource reservation adjustment, the starting time of the reserved resource of the rPath signaling is located after the ending time of the reserved resource in the previous rPath signaling, and the transmission of the rPath signaling must be completed before the ending time of the reserved resource in the previous rPath signaling.

When the reserved resource needs to be removed in advance, a Teardown signaling needs to be sent from the computing node, the computing node firstly clears the reserved state of the computing resource of the data flow from the computing node, then generates corresponding cookie information to be embedded into the Teardown signaling, and informs the network nodes along the forwarding path to eliminate the resource reservation related to the data flow.

Correspondingly, an embodiment of the present application further provides a resource reservation method, which is applied to a first computing node, and as shown in fig. 2, the method includes:

step 201: first signaling sent by a first network node is received.

In actual application, before step 201 is executed, a terminal first initiates a service request to a first network node, and the service request carries a corresponding service requirement. The first network node performs resource reservation for the corresponding traffic data stream based on the corresponding traffic demand. In the embodiment of the present application, a resource reservation scheme in the related art is extended, and specifically, a first network node maps corresponding service requirements to network resource requirements and computing resource requirements, determines a corresponding network resource reservation policy based on the network resource requirements, and determines a corresponding computing resource reservation policy based on the computing resource requirements. That is, a resource reservation policy for computing resources is extended on the basis of the resource reservation scheme in the related art, including a start time of computing resource reservation and an end time of computing resource reservation.

Step 202: reserving the first computing resource for the first data flow based on the first time parameter and the second time parameter.

In an embodiment, the method further comprises:

In the embodiment of the application, after the first computing node confirms to execute the corresponding computing resource reservation policy, the first computing node locally maintains the computing resource reservation schedule. Fig. 3 is a schematic diagram of network resource reservation, in which each rectangular stripe represents a network resource reservation policy for one traffic data stream, wherein the height of the rectangular stripe in the vertical axis direction represents a reserved bandwidth, and the span of the rectangular stripe in the horizontal axis direction represents a start time and an end time of the reserved bandwidth; the right diagram of fig. 3 shows a schematic diagram of computing resource reservation, each rectangular bar in the diagram represents a computing resource reservation policy for one traffic data flow, wherein the height of the rectangular bar in the direction of the vertical axis represents the reserved computing resource, and the span of the rectangular bar in the direction of the horizontal axis represents the starting time and the ending time of the reserved computing resource.

Based on this, in an embodiment, after said reserving said first computing resource for said first data flow, said method further comprises:

In an embodiment, the third signaling carries at least one of:

In this way, after receiving the third signaling, the first computing node adjusts the resource amount of the reserved first computing resource based on the first adjustment amount carried in the third signaling, and adjusts the reservation termination time of the first computing resource based on the fourth time parameter carried in the third signaling.

Correspondingly, an embodiment of the present application further provides a resource reservation method, which is applied to a second network node, and as shown in fig. 4, the method includes:

step 401: after the first network node sends the first signaling to the first computing node, sending a third signaling; the third signaling is used for requesting to adjust reserved resources corresponding to the first data flow; wherein the content of the first and second substances,

Here, when the network state or the computing node state changes, the network node on the transmission path of the first data flow may initiate the adjustment of the resource reservation policy, where the network node that may initiate the adjustment of the resource reservation policy includes one of:

a control node;

an intermediate routing node;

an interdomain router.

Here, the second network node re-determines the reserved amount of resources and the corresponding reservation start-stop time based on the real-time network status and the operating status of the computing node. Specifically, when the real-time network delay is larger than the network delay when the network resource reservation strategy is initially formulated, the network resource reservation needs to be applied for delaying, and accordingly, the network resource reservation termination time is delayed, meanwhile, since the service data reaches the computing node after passing through the forwarding path, the delay of the network resource reservation termination time also brings the delay of the computing resource reservation time, and in this case, the network resource reservation termination time and the computing resource reservation termination time both need to be adjusted correspondingly; when the real-time computation delay is larger than the computation delay when the computation resource reservation strategy is initially formulated, the computation resource reservation needs to be applied for delaying, and accordingly the termination time of the computation resource reservation is delayed.

Based on this, at least one of the following is carried in the third signaling:

Based on the protocol format extended above, in case of a change in the network status or the operating status of the computing node, the CLASS NUM of the Object header of the third signaling is the same as the CLASS NUM of the Object header of the first signaling; the first signaling is used for requesting to reserve first computing resources and/or network resources for the first data flow; alternatively, the first and second electrodes may be,

Fig. 5 is a schematic diagram illustrating an implementation flow of a resource reservation method provided in an application embodiment of the present application, and referring to fig. 5, the implementation flow includes:

step 1: and the terminal sends a service request to the Controller, wherein the service request carries a corresponding service requirement.

Step 2: the Controller maps the business requirements to network resource requirements and computing resource requirements.

And 3, the Controller determines a corresponding network resource reservation strategy and a corresponding computing resource reservation strategy based on the mapped network resource requirements and computing resource requirements.

And 4, step 4: and issuing a network resource reservation strategy and a computing resource reservation strategy by the Controller, wherein the strategy comprises the reservation starting and stopping time of the corresponding network resource and the reservation starting and stopping time of the computing resource.

And 5: and the network resources on the forwarding path return a reservation success response to the Controller based on the issued network resource reservation strategy, and locally maintain a corresponding network resource reservation table so as to realize accurate reservation of the network resources based on the network resource reservation table.

Step 6: the computing node returns a successful reservation response to the Controller based on the issued computing resource reservation strategy, and locally maintains a corresponding computing resource reservation table so as to realize accurate reservation of computing resources based on the computing resource reservation table.

In the resource reservation method provided in the embodiment of the present application, a first network node sends a first signaling to a first computing node, where the first signaling is at least used to request to reserve computing resources for a first data stream; the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource. The first computing node reserves the first computing resource for the first data flow based on the first time parameter and the second time parameter. Through the reservation of computing resources, the service data can be guaranteed with enough computing power on the computing nodes. And the accurate reservation of the computing resources can be realized by combining the service requirements, the network state and the running state of the computing nodes. In addition, the autonomy of the network node in the service process is increased by dynamically adjusting the resource reservation strategy, and the adjustment can be timely made based on the real-time network state and the running state of the computing node, so that the service requirement is further ensured on the basis of network resource reservation, and the utilization rate of the network resource and the computing resource is improved.

In order to implement the method of the embodiment of the present application, an embodiment of the present application further provides a resource reservation apparatus, which is disposed on a first network node, and as shown in fig. 6, the apparatus includes:

a first sending unit 601, sending a first signaling to a first computing node; wherein, the first and the second end of the pipe are connected with each other,

In practical applications, the first sending unit 601 may be implemented by a communication interface in the resource reservation apparatus.

The resource reservation apparatus provided in the foregoing embodiment and the resource reservation method embodiment on the first network node side belong to the same concept, and details of a specific implementation process thereof are referred to as method embodiments and are not described herein again.

In order to implement the method on the first computing node side in the embodiment of the present application, an embodiment of the present application further provides a resource reservation apparatus, which is disposed on the first computing node, and as shown in fig. 7, the apparatus includes:

a first receiving unit 701, configured to receive a first signaling sent by a first network node; the first signaling is used at least for requesting reservation of first computing resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

In practical application, the first receiving unit 701 may be implemented by a communication interface in the resource reservation apparatus; the resource reservation unit 702 may be implemented by a processor in the resource reservation apparatus.

The resource reservation apparatus provided in the foregoing embodiment and the resource reservation method embodiment on the first computing node side belong to the same concept, and details of a specific implementation process thereof are referred to as method embodiments and are not described herein again.

In order to implement the method at the second network node side in the embodiment of the present application, an embodiment of the present application further provides a resource reservation apparatus, which is disposed on the second network node, and as shown in fig. 8, the apparatus includes:

a second sending unit 801, configured to send a third signaling; and the third signaling is used for requesting to adjust the reserved resources corresponding to the first data flow.

In practical applications, the second sending unit 801 may be implemented by a communication interface in the resource reservation apparatus.

The resource reservation apparatus provided in the foregoing embodiment and the resource reservation method embodiment on the second network node side belong to the same concept, and details of a specific implementation process thereof are referred to as the method embodiment and are not described herein again.

It should be noted that: in the resource reservation apparatus provided in the foregoing embodiment, when performing resource reservation, only the division of each program module is described as an example, and in practical applications, the processing allocation may be completed by different program modules as needed, that is, the internal structure of the apparatus is divided into different program modules, so as to complete all or part of the processing described above.

Based on the hardware implementation of the program module, and in order to implement the method on the first network node side in the embodiment of the present application, an embodiment of the present application further provides a first network node, and as shown in fig. 9, the first network node 900 includes:

a first communication interface 901, which is capable of performing information interaction with other network nodes;

the first processor 902 is connected to the first communication interface 901 to implement information interaction with other network nodes, and is configured to execute a method provided by one or more technical solutions of the first network node side when running a computer program. And the computer program is stored on the first memory 903.

Specifically, the first communication interface 901 is configured to send a first signaling to a first computing node; wherein the content of the first and second substances,

It should be noted that the specific processing procedures of the first processor 902 and the first communication interface 901 can be understood by referring to the resource reservation method on the first network node side.

Of course, in practice, the various components in the first network node 900 are coupled together by a bus system 904. It is understood that the bus system 904 is used to enable communications among the components. The bus system 904 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 904 in figure 9.

The first memory 903 in embodiments of the present application is used to store various types of data to support the operation of the first network node 900. Examples of such data include: any computer program for operating on the first network node 900.

The method disclosed in the embodiment of the present application may be applied to the first processor 902, or implemented by the first processor 902. The first processor 902 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by an integrated logic circuit of hardware or an instruction in the form of software in the first processor 902. The first Processor 902 may be a general-purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like. The first processor 902 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the first memory 903, and the first processor 902 reads the information in the first memory 903 and performs the steps of the foregoing method in combination with its hardware.

In an exemplary embodiment, the first network node 900 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.

Based on the hardware implementation of the program module, and in order to implement the method on the first computing node side in the embodiment of the present application, an embodiment of the present application further provides a first computing node, as shown in fig. 10, where the first computing node 1000 includes:

a second communication interface 1001 capable of performing information interaction with other network nodes;

the second processor 1002 is connected to the second communication interface 1001 to implement information interaction with other network nodes, and is configured to execute the method provided by one or more technical solutions of the first computing node side when running a computer program. And the computer program is stored on the second memory 1003.

Specifically, the second communication interface 1001 is configured to receive a first signaling sent by a first network node; the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

the second processor 1002 is configured to reserve the first computing resource for the first data flow based on the first time parameter and the second time parameter.

It should be noted that the specific processing procedures of the second processor 1002 and the second communication interface 1001 can be understood by referring to the resource reservation method on the first computing node side.

Of course, in practice, the various components in the first computing node 1000 are coupled together by a bus system 1004. It is understood that the bus system 1004 is used to enable communications among the components. The bus system 1004 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for the sake of clarity the various busses are labeled in fig. 10 as the bus system 1004.

The second memory 1003 in the embodiment of the present application is used to store various types of data to support the operation of the first computing node 1000. Examples of such data include: any computer program for operating on the first computing node 1000.

The method disclosed in the embodiment of the present application may be applied to the second processor 1002, or implemented by the second processor 1002. The second processor 1002 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by an integrated logic circuit of hardware or an instruction in the form of software in the second processor 1002. The second processor 1002 may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 1002 may implement or execute the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 1003, and the second processor 1002 reads the information in the second memory 1003 and completes the steps of the foregoing method in combination with the hardware thereof.

In an exemplary embodiment, the first computing node 1000 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.

Based on the hardware implementation of the program module, and in order to implement the method at the second network node side in the embodiment of the present application, an embodiment of the present application further provides a second network node, as shown in fig. 11, where the second network node 1100 includes:

a third communication interface 1101 capable of performing information interaction with other network nodes;

the third processor 1102 is connected to the third communication interface 1101, so as to implement information interaction with other network nodes, and is configured to execute the method provided by one or more technical solutions of the second network node side when running a computer program. And the computer program is stored on the third memory 1103.

In particular, the third communication interface 1101 is configured to send a third signaling after the first network node sends the first signaling to the first computing node; the third signaling is used for requesting to adjust reserved resources corresponding to the first data stream; wherein the content of the first and second substances,

It should be noted that the specific processing procedures of the third processor 1102 and the third communication interface 1101 can be understood by referring to the resource reservation method on the second network node side.

Of course, in practice, the various components in the second network node 1100 are coupled together by a bus system 1104. It is understood that the bus system 1104 is used to enable communications among the components for connection. The bus system 1104 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 104 in FIG. 11.

The third memory 1103 in the embodiments of the present application is used to store various types of data to support the operation of the second network node 1100. Examples of such data include: any computer program for operating on the second network node 1100.

The method disclosed in the embodiments of the present application may be applied to the third processor 1102, or implemented by the third processor 1102. The third processor 1102 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the third processor 1102. The third processor 1102 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The third processor 1102 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the third memory 1103, and the third processor 1102 reads the information in the third memory 1103 and completes the steps of the foregoing method in combination with the hardware thereof.

In an exemplary embodiment, the second network node 1100 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.

It is understood that the memories (the first memory 903, the second memory 1003, and the third memory 1103) in the embodiments of the present application may be volatile memories or nonvolatile memories, and may include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memories described in the embodiments of the present application are intended to comprise, without being limited to, these and any other suitable types of memory.

In an exemplary embodiment, the present application further provides a storage medium, specifically a computer storage medium, for example, a first memory 903 storing a computer program, where the computer program is executable by the first processor 902 of the first network node 900 to complete the steps of the foregoing first network node side method. For another example, the second memory 1003 storing a computer program, which is executable by the second processor 1002 of the first computing node 1000, is included to perform the steps of the first computing node side method described above. For example, the third memory 1103 may store a computer program, which may be executed by the third processor 1102 of the second network node 1100, to perform the steps of the method at the side of the second network node. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.

It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.

Claims

1. A method of resource reservation, characterized by being applied to a first network node; the method comprises the following steps:

2. The method of claim 1, wherein prior to said sending the first signaling to the first computing node, the method further comprises:

determining the first time parameter based on at least one of:

a network status;

an operational state of the first computing node.

3. The method of claim 1, wherein prior to said sending the first signaling to the first computing node, the method further comprises:

4. The method of claim 1, further comprising:

5. The method of claim 1, wherein after said sending the first signaling to the first computing node, the method further comprises:

6. The method of claim 5, wherein at least one of the following is carried in the third signaling:

7. The method according to any one of claims 1 to 6, wherein the type number CLASS NUM of the Object header of the first signaling is characterized as a first type number; the first type number represents that the first signaling is used for requesting to reserve the computing resource; alternatively, the first and second electrodes may be,

8. The method according to claim 7, wherein the CLASS NUM of the Object header of the third signaling is the same as the CLASS NUM of the Object header of the first signaling; alternatively, the first and second electrodes may be,

9. A method of resource reservation, characterized by being applied to a first computing node; the method comprises the following steps:

10. The method of claim 9, further comprising:

11. The method of claim 9, wherein after said reserving the first computing resource for the first data flow, the method further comprises:

12. The method of claim 11, wherein at least one of the following is carried in the third signaling:

13. Method according to any of claims 9 to 12, characterized in that CLASS NUM of the Object header of the first signalling is characterized by a first type number; the first type number characterizes the first signaling for requesting reservation of computing resources; alternatively, the first and second electrodes may be,

14. The method according to claim 13, wherein the CLASS NUM of the Object header of the third signaling is the same as the CLASS NUM of the Object header of the first signaling; alternatively, the first and second electrodes may be,

15. A method for resource reservation, applied to a second network node, the method comprising:

16. The method of claim 15, wherein at least one of the following is carried in the third signaling:

17. The method according to claim 15, wherein the CLASS NUM of the Object header of the third signaling is the same as the CLASS NUM of the Object header of the first signaling; the first signaling is used for requesting to reserve first computing resources and/or network resources for the first data flow; alternatively, the first and second electrodes may be,

18. The method according to any of claims 15 to 17, wherein the second network node comprises one of:

a control node;

an intermediate routing node;

an interdomain router.

19. A resource reservation apparatus, comprising:

20. A resource reservation apparatus, comprising:

a first receiving unit, configured to receive a first signaling sent by a first network node; the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

21. A resource reservation apparatus, comprising:

a second sending unit, configured to send a third signaling after the first network node sends the first signaling to the first computing node; the third signaling is used for requesting to adjust reserved resources corresponding to the first data flow; wherein the content of the first and second substances,

22. A first network node, comprising: a first processor and a first communication interface; wherein the content of the first and second substances,

23. A first computing node, comprising: a second processor and a second communication interface; wherein the content of the first and second substances,

the second communication interface is used for receiving a first signaling sent by a first network node; the first signaling is at least for requesting a reservation of first computational resources for a first data flow; the first signaling carries a first time parameter and a second time parameter; the first time parameter characterizes a reservation start time of the first computing resource; the second time parameter characterizes a reservation termination time of the first computing resource;

24. A second network node, comprising: a third processor and a third communication interface; wherein the content of the first and second substances,

25. A first network node, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,

wherein the first processor is adapted to perform the steps of the method of any one of claims 1 to 8 when running the computer program.

26. A second network node, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,

wherein the second processor is adapted to perform the steps of the method of any one of claims 9 to 14 when running the computer program.

27. A third network node, comprising: a third processor and a third memory for storing a computer program capable of running on the processor,

wherein the third processor is adapted to perform the steps of the method of any of claims 15 to 18 when running the computer program.

28. A storage medium having stored thereon a computer program for performing the steps of the method of any one of claims 1 to 8, or for performing the steps of the method of any one of claims 9 to 14, or for performing the steps of the method of any one of claims 15 to 18, when the computer program is executed by a processor.