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1. 发明授权

US10122654B2 Divided hierarchical network system based on software-defined networks 有权
公开(公告)号：US10122654B2
公开(公告)日：2018-11-06
申请号：US15352052
申请日：2016-11-15
申请人： KULCLOUD
发明人： Suengyoung Park , Dipjyoti Saikia , Seokhwan Kong , Jimin Lee , Nikhil Malik
IPC分类号： H04L12/931 , H04L12/751 , H04L12/64 , H04L29/08 , H04L12/24 , H04L12/933 , H04L12/935
摘要： A divided hierarchical network system based on software-defined networks, the divided hierarchical network system including: an edge controller configured to: generate forwarding information in response to a flow forwarding inquiry from a lower level and respond to the request with the forwarding information; generate mapping information such that each of a plurality of edge ports of each of a plurality of switches that form the lower level corresponds to each of a plurality of virtual ports of one virtual switch; if it is not possible to generate forwarding information in response to a request received from a lower level for forwarding a flow that comprises edge ports, query forwarding information to an upper level regarding a flow in which the edge port is converted into a corresponding virtual port based on the mapping information.

2. 发明授权

US09654395B2 SDN-based service chaining system 有权
公开(公告)号：US09654395B2
公开(公告)日：2017-05-16
申请号：US14890319
申请日：2014-03-31
申请人： KULCLOUD
发明人： Suengyoung Park , Dipjyoti Saikia , Seokhwan Kong
IPC分类号： H04L12/741 , H04L12/64 , G06F17/30 , H04L12/947 , H04L12/715 , H04L12/931 , H04L12/717
CPC分类号： H04L45/745 , G06F17/30345 , G06F17/30424 , G06F17/30867 , H04L12/6418 , H04L45/42 , H04L45/64 , H04L49/25 , H04L49/35
摘要： A method for providing service chaining in a software-defined network (SDN)-based network system, the method including: receiving, at a controller, a first packet-in message from a first switch of a plurality of switches, which has received a service request packet from a user, to indicate that the first switch does not have a corresponding entry in a field extracted from the service request packet; extracting from the packet-in message both a service identifier that identifies a type of a service requested through the service request packet and a user identifier that identifies the user; and searching an entry database for an entry list that enables the service request packet to be forwarded to a network function list that corresponds to the service identifier and the user identifier, with reference to a service table, a user table, and a network function table which are associated with one another.

3. 发明授权

US09537751B2 Divided hierarchical network system based on software-defined networks 有权
标题翻译：基于软件定义网络的分层分层网络系统
公开(公告)号：US09537751B2
公开(公告)日：2017-01-03
申请号：US14890056
申请日：2014-03-31
申请人： KULCLOUD
发明人： Suengyoung Park , Dipjyoti Saikia , Seokhwan Kong , Jimin Lee , Nikhil Malik
IPC分类号： H04L12/24 , H04L12/64 , H04L12/751 , H04L29/08
CPC分类号： H04L49/70 , H04L12/6418 , H04L41/20 , H04L45/02 , H04L49/15 , H04L49/30 , H04L67/34
摘要： A divided hierarchical network system based on software-defined networks, the divided hierarchical network system including: an edge controller configured to: generate forwarding information in response to a flow forwarding inquiry from a lower level and respond to the request with the forwarding information; generate mapping information such that each of a plurality of edge ports of each of a plurality of switches that form the lower level corresponds to each of a plurality of virtual ports of one virtual switch; if it is not possible to generate forwarding information in response to a request received from a lower level for forwarding a flow that comprises edge ports, query forwarding information to an upper level regarding a flow in which the edge port is converted into a corresponding virtual port based on the mapping information.
摘要翻译：一种基于软件定义网络的分层分层网络系统，所述分层分层网络系统包括：边缘控制器，被配置为：响应于来自较低层的流转发查询生成转发信息，并用所述转发信息来响应所述请求; 生成映射信息，使得形成下级的多个交换机中的每一个的多个边缘端口中的每一个对应于一个虚拟交换机的多个虚拟端口中的每一个; 如果不可能响应于从较低级别接收到的用于转发包括边缘端口的流的请求来生成转发信息，则将关于边缘端口被转换成相应虚拟端口的流的查询转发信息提供给上级基于映射信息。

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