CN114915670A - Network slice implementation method and device supporting coexistence of multiple protocols - Google Patents

Abstract

The invention provides a network slice implementation method and device supporting coexistence of multiple protocols. The method comprises the following steps: deploying a network slice device between a control plane and a data plane, mapping a user service requirement into a physical network slice requirement by using the network slice device, and generating a plurality of different network slices on the data plane according to the physical network slice requirement, wherein each network slice is isolated from each other; correspondingly configuring a controller for each network slice on a control plane, and managing the network slices by adopting the controllers; and mapping the user service requirements into slice protocol deployment requirements by using the network slice device, and selecting an adaptive protocol from a built-in protocol library according to the slice protocol deployment requirements to deploy the adaptive protocol to the corresponding network slice and operate the adaptive protocol.

Description

A method and device for realizing network slicing that supports coexistence of multiple protocols

technical field

The present invention relates to the technical field of novel network architectures, and in particular, to a method and device for realizing network slicing that supports the coexistence of multiple protocols.

Background technique

The network slicing technology virtualizes a private network in the physical network, flexibly organizes the network according to the specific needs of the business on the network, and forms a network that provides exclusive services for specific businesses, so as to achieve a high degree of matching between the network and the business. In the 5G network and other information network architectures has been widely deployed. However, in the face of new networks with diverse user needs, existing network slicing has not yet been able to support the coexistence of multiple protocols.

SUMMARY OF THE INVENTION

Aiming at various user requirements in traditional networks and new networks, the present invention designs a method and device for realizing network slices that support the coexistence of multiple protocols. Multiple network slices are generated on the same physical plane, and between different network slices Different network protocols are used between the slices to meet the network service quality requirements of various services, and the slices are isolated.

In one aspect, the present invention provides a network slicing implementation method that supports the coexistence of multiple protocols. A network slicing device is deployed between a control plane and a data plane, and the method includes:

Using the network slicing device to map user service requirements into physical network slicing requirements, and generating multiple different network slices on the data plane according to the physical network slicing requirements, and each of the network slices is isolated from each other;

A controller is correspondingly configured for each of the network slices on the control plane, and the controller is used to manage the network slices;

The network slicing device is used to map user service requirements into slice protocol deployment requirements, and according to the slice protocol deployment requirements, an adapted protocol is selected from a built-in protocol library to deploy to a corresponding network slice and run.

Further, the protocol library includes a variety of different protocols; a protocol corresponds to a network processing requirement, and corresponds to a network identifier or corresponds to a self-defined protocol process.

Further, the types of the protocols include TSN network protocols, CDN network protocols and NDN network protocols; the types of network identifiers include IP identifiers, content identifiers and identity identifiers.

In another aspect, the present invention provides a network slicing device that supports the coexistence of multiple protocols, including:

A slice generation unit, configured to map user service requirements to physical network slice requirements, and generate multiple different network slices on the data plane according to the physical network slice requirements, and the network slices are isolated from each other; The network slice corresponds to a controller on the control plane, and the controller is used to manage the network slice;

The slicing protocol customization unit is used to map the user service requirements to the slicing protocol deployment requirements, and select an adapted protocol from the built-in protocol library according to the slicing protocol deployment requirements to deploy to the corresponding network slice and run.

Further, the protocol library includes a variety of different protocols, and one protocol corresponds to a network processing requirement; and corresponds to a network identifier or corresponds to a self-defined protocol flow.

Further, the types of the protocols include TSN network protocols, CDN network protocols and NDN network protocols; the types of network identifiers include IP identifiers, content identifiers and identity identifiers.

Beneficial effects of the present invention:

Aiming at various user requirements in traditional networks and new networks, the present invention designs a method and device for realizing network slices that support the coexistence of multiple protocols. Multiple network slices are generated on the same physical plane, and between different network slices Different network protocols are used between the slices to meet the network service quality requirements of various services, and the slices are isolated.

Description of drawings

1 is a schematic flowchart of a method for implementing network slicing that supports coexistence of multiple protocols according to an embodiment of the present invention;

FIG. 2 is an overall framework diagram of a network slicing implementation method supporting the coexistence of multiple protocols provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a user-insensitive network slice dynamic mapping provided by an embodiment of the present invention;

4 is a schematic diagram of a corresponding relationship between a user protocol and a network slice provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a network slicing device supporting the coexistence of multiple protocols according to an example of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the present invention. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2 , an embodiment of the present invention provides a network slicing implementation method that supports the coexistence of multiple protocols. A network slicing device is deployed between a control plane and a data plane, and the method includes:

Using the network slicing device to map user service requirements into physical network slicing requirements, and generating multiple different network slices on the data plane according to the physical network slicing requirements, and each of the network slices is isolated from each other;

A controller is correspondingly configured for each of the network slices on the control plane, and the controller is used to manage the network slices, as shown in FIG. 3 .

The network slicing device is used to map user service requirements into slice protocol deployment requirements, and according to the slice protocol deployment requirements, an adapted protocol is selected from a built-in protocol library to deploy to a corresponding network slice and run. As shown in Figure 4.

Specifically, the protocol library includes a variety of different protocols; a protocol corresponds to a network processing requirement, and corresponds to a network identifier or corresponds to a self-defined protocol flow. The types of the protocols include TSN network protocols, CDN network protocols and NDN network protocols; the types of network identifiers include IP identifiers, content identifiers and identity identifiers.

Each physical network slice supports the deployment and operation of customized protocols. It can adapt to network protocols such as TSN, CDN, and NDN according to user service delay, bandwidth, security and other requirements, and use network identifiers such as IP, content, and identity to ensure service quality.

The network slice implementation method supporting the coexistence of multiple protocols provided by the embodiments of the present invention combines the ideas of network function virtualization and software-defined network, and generates multiple network slices on the same physical plane according to the service requirements of different users. Flexible customization of the protocols supported by each network slice, different network slices can support different protocols, and the slices are isolated. From a macro perspective, the overall design of the method of the present invention is based on the idea of decoupling the physical network from the user network to form a network slice, and then controlling the network slice through the control plane, as shown in FIG. 2 . For the data plane, the network slicing device acts as a controller. At the same time, the network slicing device shields the control plane from the implementation details of the physical network of the data plane, so that the control plane controls each physical network slice independently, and the network slices are isolated from each other.

Example 2

As shown in FIG. 5 , an embodiment of the present invention provides a network slicing device that supports the coexistence of multiple protocols, including: a slice generation unit and a slice protocol customization unit;

The slice generation unit is used to map user service requirements to physical network slice requirements, and according to the physical network slice requirements, multiple different network slices are generated on the data plane, and the network slices are isolated from each other; A slice corresponds to a controller on the control plane, and the controller is used to manage the network slice. The slicing protocol customization unit is used to map user business requirements to slicing protocol deployment requirements, and select an adapted protocol from the built-in protocol library according to the slicing protocol deployment requirements to deploy to the corresponding network slice and run.

Specifically, as shown in FIG. 4 , a physical network is divided into a plurality of network slices by a slicing device, each network slice corresponds to a controller, and the controller is the control center of the network slice. Network slices are isolated from each other. A network slice is a global or local mapping of a physical network that can provide services to specific tenants. Each slice network can support its specific protocol.

As shown in Figure 5, the relationship between network slicing and user protocols is shown. In the same physical network, a network slicing device generates multiple network slices that support different network protocols. Each network slice can support different network protocols. Slices correspond to different controllers and network slices are isolated. Each controller can only control the corresponding network slice, and network slices can use different protocols according to business requirements.

As an implementable manner, the protocol library includes a variety of different protocols, and one protocol corresponds to a network processing requirement; and corresponds to a network identifier or corresponds to a self-defined protocol process. The types of the protocols include TSN network protocols, CDN network protocols and NDN network protocols; the types of network identifiers include IP identifiers, content identifiers and identity identifiers.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. A method for implementing network slicing supporting coexistence of multiple protocols, wherein a network slicing apparatus is deployed between a control plane and a data plane, the method comprising:

mapping user service requirements into physical network slice requirements by using the network slice device, and generating a plurality of different network slices on a data plane according to the physical network slice requirements, wherein each network slice is isolated from each other;

correspondingly configuring a controller for each network slice on a control plane, and managing the network slices by adopting the controllers;

and mapping the user service requirements into slice protocol deployment requirements by using the network slice device, and selecting an adaptive protocol from a built-in protocol library according to the slice protocol deployment requirements to deploy the adaptive protocol to the corresponding network slice and operate the adaptive protocol.

2. The method of claim 1, wherein the protocol library comprises a plurality of different protocols; a protocol corresponds to a network processing requirement, and corresponds to a network identifier or corresponds to a self-defined protocol flow.

3. The method of claim 2, wherein the types of the protocols include TSN networking protocol, CDN networking protocol, and NDN networking protocol; the types of the network identifiers comprise IP identifiers, content identifiers and identity identifiers.

4. A network slice apparatus supporting coexistence of a plurality of protocols, comprising:

the slicing generation unit is used for mapping the user service requirements into physical network slicing requirements, and generating a plurality of different network slices on a data plane according to the physical network slicing requirements, wherein the network slices are isolated from one another; each network slice corresponds to a controller on a control plane, and the controller is used for managing the network slices;

and the slicing protocol customizing unit is used for mapping the user service requirements into slicing protocol deployment requirements, selecting an adaptive protocol from a built-in protocol library according to the slicing protocol deployment requirements, deploying the adaptive protocol to the corresponding network slice and operating the adaptive protocol.

5. The apparatus of claim 4, wherein the protocol library comprises a plurality of different protocols, one protocol corresponding to one network processing requirement; and a network identifier is corresponded or a self-defined protocol flow is corresponded.

6. The device of claim 5, wherein the types of protocols include TSN, CDN and NDN; the types of the network identifiers comprise IP identifiers, content identifiers and identity identifiers.

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