Software defined topology (SDT) for user plane

A topology, definition technology, applied in the field of virtualized network topology

Active Publication Date: 2018-05-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Identifying which VNFs should be instantiated with which nodes in order to provide the desired service level capabilities for a given slice is usually a manual configuration that requires considerable time and effort

Method used

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  • Software defined topology (SDT) for user plane
  • Software defined topology (SDT) for user plane
  • Software defined topology (SDT) for user plane

Examples

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Embodiment Construction

[0031] Network virtualization provides network operators with the ability to customize their network configurations to provide customer-specific service solutions that fit the current needs of the operator's customers. These needs can be identified by the customer in some cases with the help of the network operator.

[0032] Such a service may be implemented in a network slice comprising one or more VNFs providing the network functions that make up the service. Such a VNF may be instantiated on a PoP to which the operator has access, which has the capability to support the desired VNF functionality, and which is geographically suitable to support customers and their end users.

[0033] In some examples, a VNF may incorporate one or more virtual service functions (VSFs). In some examples, a VSF may be provided as part of one or more Service Function Chains (SFCs). In some examples, SFC defines link constraints. In some examples, VSFs may be defined by customers to reflect se...

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Abstract

A controller and a method for determining a logical topology of communications resources for providing a service offering are provided. The controller comprises a function identifier, a graph generator and a mapper. The identifier is coupled to a service level description (SLD) associating the service with at least one service type and a library of network functions (NFs) and identifies at least one NF in the library for each service type. The generator is coupled to the SLD and a library of primitive service level graphs (SLGs) representing at least one data flow between directly-coupled resource entities and associates at least one primitive SLG to each identified NF. The mapper is coupled to the service level description and a map of network infrastructure elements and maps at least oneresource entity of a primitive SLG onto an available network infrastructure element.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Patent Application Serial No. 62 / 218,962, filed September 15, 2015, and U.S. Patent Application Serial No. 15 / 254,572, filed September 1, 2016, both The content of the author is incorporated herein by reference. technical field [0003] The present disclosure relates to wireless access networks, and in particular to methods and apparatus for virtualizing network topology to dynamically build network functional capabilities to provide services to service providers. Background technique [0004] Wireless resources have ever-increasing demands in terms of bandwidth and throughput. One way to consider meeting this growing need is through the virtualization of the network, where network resources are pooled to create a series of network slices, and on each network slice, an Those network functions instantiate one or more existing network nodes. Using net...

Claims

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Application Information

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IPC IPC(8): H04L12/753
CPCH04L41/5006H04L41/5009H04L67/10H04L41/40H04L41/122H04L41/12
Inventor 张航李顼
Owner HUAWEI TECH CO LTD
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