Hardware and software methodologies for creating and managing portable service function chains

A technology for managing logic and business chains. It is applied in the hardware and software fields of implementing and maintaining logic business chains, and can solve problems such as expensive, design limitations, and difficulty.

Active Publication Date: 2017-08-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, triple content-addressable memory (TCAM) commonly used in SDN logic chains has design limitations and is very expensive
Some current methods are also difficult to deal with SFC Spiral, where a single logical business chain adopts the same business function multiple times

Method used

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  • Hardware and software methodologies for creating and managing portable service function chains
  • Hardware and software methodologies for creating and managing portable service function chains
  • Hardware and software methodologies for creating and managing portable service function chains

Examples

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Embodiment Construction

[0024] Reference will now be given in detail to some examples. While the subject matter is described in conjunction with alternative embodiments, it should be understood that they are not intended to limit the claimed subject matter to these embodiments. On the contrary, the claimed subject matter is intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the claimed subject matter as defined by the appended claims.

[0025] Additionally, in the following detailed description of the invention, numerous specific details are set forth in order to provide a thorough understanding of the claimed subject matter. However, one skilled in the art will recognize that the embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects and features of the claimed subject matter. ...

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Abstract

A self-contained service function network layer between a chain (e.g., a logical chain or service function chain) and a substrate network is described. And techniques are provided for constructing logical chains for service function networks using chain tables, organizing chain tables using APIs, deploying service function networks to substrate networks, routing packets through a service function network and a substrate network, and inserting, deleting, re-routing, moving and substituting service functions in logical chains.

Description

[0001] Related Applications Cross Application [0002] This application requires U.S. Serial No. 14 / 596,546, filed January 14, 2015, entitled "HARDWARE AND SOFTWARE METHODOLOGIES FOR CREATING AND MANAGING PORTABLE SERVICE FUNCTION CHAINS" Priority to an earlier non-provisional patent application, which is hereby incorporated by reference in its entirety. technical field [0003] Embodiments of the invention generally relate to the field of computer networks. More specifically, embodiments of the present invention relate to hardware and software methods for implementing and maintaining logical service chains in computer networks. Background technique [0004] Logical service function chains (SFC) provide ordered service functions (SF) (eg, firewall, network address translation, intrusion detection, proxy services, etc.) to add valuable services to the network and its users. In most network designs and deployments, network functions are configured as physical network element...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L45/74
CPCH04L45/54H04L45/745H04L45/021
Inventor 李栗蔡涛
Owner HUAWEI TECH CO LTD
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