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Network slice virtual resource allocation method, system and device

A network slicing and virtual resource technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problem of not being able to meet user delay requirements and speed requirements at the same time, and achieve the effect of reducing consumption and ensuring uniform distribution.

Inactive Publication Date: 2020-02-07
BEIJING UNIV OF POSTS & TELECOMM +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the existing network slicing virtual resource allocation technology cannot simultaneously meet the user's delay requirements and speed requirements in 5 network communication processing services, thereby providing a network slicing virtual resource allocation Methods, systems and devices

Method used

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  • Network slice virtual resource allocation method, system and device
  • Network slice virtual resource allocation method, system and device

Examples

Experimental program
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Embodiment 1

[0041] An embodiment of the present invention provides a network slice virtual resource allocation method, which defines the network slice virtual resource allocation as an instantaneous linear programming problem with linear constraints:

[0042]

[0043] Among them, S represents the network slice set, s∈S means that s is a network slice in the network slice set S, and the underlying physical network uses a weighted undirected graph G(N s , L s ) means that N s Represents the collection of all physical nodes that provide computing and storage resources, L s Represents the set of all physical links that provide bandwidth resources, and the service flow instance of the network slice uses a directed weighted graph G(N v , L v ) to represent, N v Represents a collection of virtual nodes.

[0044] which also includes, Indicates the total delay required for the virtual link (k, l) on the network slice S to request resource allocation in the actual network topology, repres...

Embodiment 2

[0070] The embodiment of the present invention also provides a network slice virtual resource allocation device, such as figure 2 shown, including:

[0071] The acquisition module 21 is configured to acquire the physical network topology and its network slice service chain network; for detailed implementation content, please refer to the relevant description of step S11 in the above method embodiment.

[0072] The determination module 22 is configured to determine all possible mapped physical nodes, propagation links and their propagation delays, and constraints; for detailed implementation, please refer to the relevant descriptions of steps S12-S13 in the above method embodiment.

[0073] The screening path module 23 is configured to screen physical nodes and propagate links according to the above constraints until the best mapped physical nodes and link paths are obtained; for detailed implementation, please refer to the relevant description of step S14 in the above method ...

Embodiment 3

[0076] This embodiment provides a system for allocating network slice resources, including at least one control device 31, such as image 3 shown, including:

[0077] The first communication module 311 is used to transmit data information, receive network topology and network slicing service chain flow information, and all possible mapped physical nodes, propagation links and propagation delay information obtained through calculation;

[0078] The first controller 312 is configured to determine the conditions for filtering paths according to the information received by the first communication module 311, so as to obtain the best mapped physical nodes and link paths, and the first controller 312 is connected to the first communication module 311 ,Such as Figure 4 As shown, it includes: at least one processor 41; and a memory 42 communicatively connected with the at least one processor 41; wherein, the memory 42 stores instructions that can be executed by the at least one proc...

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Abstract

The invention provides a network slice virtual resource allocation method, system and device. The method comprises the following steps: acquiring a physical network topology structure and a network slice service chain network thereof; determining all possible mapped physical nodes, propagation links and propagation time delay thereof according to the network topology structure and the network slice service link flow thereof; and determining a constraint condition according to the physical node, the propagation link and the propagation delay, and performing path screening on the physical node and the propagation link according to the constraint condition to obtain an optimal mapping physical node and an optimal mapping link path. By implementing the method and the device, the network communication capacity limitation and the ultra-low time delay performance requirement limitation are comprehensively considered, so that the time delay of network communication transmission can be reducedand the network slice virtual resources can be allocated under the condition of the maximum network communication capacity.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a method, system and device for allocating network slice virtual resources. Background technique [0002] In the 5 network, business scenarios present the characteristics of diversification and differentiation. In order to support the requirements of various services, use cases, and business models ranging from high-throughput services to delay-sensitive services, network slicing will build multiple logically independent end-to-end virtual networks according to requirements, relying on the allocation of necessary physical resources. Provide one or more network services flexibly for a given business scenario. [0003] Among them, ultra-low latency is an important performance index that needs to be met by 5G transport network slicing. In the case of meeting ultra-low latency requirements, allocating physical resources suitable for performance requirements for network s...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/0893H04L41/0896H04L41/12H04L41/5051
Inventor 丰雷李文璟姚贤炯孙德栋李温静郭少勇徐思雅周凡钦杨志祥林颖欣冉迪雅朱亮
Owner BEIJING UNIV OF POSTS & TELECOMM
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