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1. 发明授权

US11095757B2 SDN interface device 有权
公开(公告)号：US11095757B2
公开(公告)日：2021-08-17
申请号：US16303977
申请日：2017-05-23
申请人： Zeetta Networks Limited
发明人： Reza Nejabati , Vassilis Seferidis , Mayur Channegowda
IPC分类号： H04L15/08 , H04L29/06 , H04L12/66 , H04L12/24 , H04L12/721 , H04L12/715
摘要： An interface device (100) for interfacing between a network device (170-240) and a software-defined networking (SDN) controller (150), the interface device (100) comprising: a first interface (140) for connecting the interface device (100) to the SDN controller (150); a second interface (160) for connecting the interface device (100) to the network device (170-240); a vendor and technology specific layer module (110), which is operative to transmit control and message data to, and to receive control and message data from, the network device (170-240) in a native control and message data protocol of the network device; a device abstraction layer module (120), which is operative to generate a device abstraction model (400) representing capabilities of the network device (170-240); and a protocol mapping layer module (130), which is operative to map control and message data used by the network device (170-240) onto the device abstraction model (400), such that messages issued by the SDN controller (150) in its native message format can be transmitted to the network device in a native message format of the network device (170-240), and messages issued by the network device (170-240) in its native message format can be transmitted to the SDN controller (150) in the native message format of the SDN controller (150).

2. 发明申请

US20190250940A1 Virtualization Device 审中-公开
公开(公告)号：US20190250940A1
公开(公告)日：2019-08-15
申请号：US16317292
申请日：2017-09-06
申请人： Zeetta Networks Limited
发明人： Vassilis Seferidis , Reza Nejabati
IPC分类号： G06F9/455 , G06F9/50 , H04L12/24
CPC分类号： G06F9/45558 , G06F9/455 , G06F9/5077 , G06F2009/4557 , G06F2009/45591 , G06F2009/45595 , H04L41/0896 , H04L41/12
摘要： A virtualization device for composing a virtual network for implementation using physical network infrastructure, the virtualization device comprising; a node functionality and constraints module, configured to identify functionality and constraints of one or more nodes of the physical network infrastructure; a link constraints module, configured to identify constraints of one or more links of the physical network infrastructure; a network modeller module, configured to generate a model of the physical network infrastructure, based on the identified functionality and constraints of the nodes and on the identified constraints of the links; a virtual network composer module configured to receive a request for composition of a desired virtual network and to map the desired virtual network onto the physical network infrastructure based on the model generated by the network modelling module; and one or more node and link mapping modules for simultaneously mapping a virtual node of the desired virtual network onto one or more physical nodes or part of a physical node of the physical network infrastructure and for mapping a virtual link associated with the virtual node onto one or more physical links or part of a physical link of the physical network infrastructure.

3. 发明授权

US10908942B2 Virtualization device 有权
公开(公告)号：US10908942B2
公开(公告)日：2021-02-02
申请号：US16317292
申请日：2017-09-06
申请人： Zeetta Networks Limited
发明人： Vassilis Seferidis , Reza Nejabati
IPC分类号： G06F9/455 , G06F9/50 , H04L12/24
摘要： A virtualization device for composing a virtual network for implementation using physical network infrastructure, the virtualization device comprising; a node functionality and constraints module, configured to identify functionality and constraints of one or more nodes of the physical network infrastructure; a link constraints module, configured to identify constraints of one or more links of the physical network infrastructure; a network modeller module, configured to generate a model of the physical network infrastructure, based on the identified functionality and constraints of the nodes and on the identified constraints of the links; a virtual network composer module configured to receive a request for composition of a desired virtual network and to map the desired virtual network onto the physical network infrastructure based on the model generated by the network modelling module; and one or more node and link mapping modules for simultaneously mapping a virtual node of the desired virtual network onto one or more physical nodes or part of a physical node of the physical network infrastructure and for mapping a virtual link associated with the virtual node onto one or more physical links or part of a physical link of the physical network infrastructure.

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