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1. 发明申请

US20200084066A1 SERVICING PACKETS IN A VIRTUAL NETWORK AND A SOFTWARE-DEFINED NETWORK (SDN) 审中-公开
公开(公告)号：US20200084066A1
公开(公告)日：2020-03-12
申请号：US16596572
申请日：2019-10-08
申请人： International Business Machines Corporation
发明人： Stephan Benny , Amitabha Biswas , Rachappa B. Goni , Uday S. Nagaraj , Prashanth K. Nageshappa
IPC分类号： H04L12/46 , H04L12/715 , H04L12/741 , H04L12/721
摘要： In one embodiment, an apparatus includes a processor and logic configured to designate one of a plurality of endpoint virtual network identifiers (EPVNIDs) for each endpoint device in a network, wherein each EPVNID is configured to be shared by one or more endpoint devices, designate a common waypoint virtual network identifier (WPVNID) for all transparent waypoint devices in the network which perform a same function, designate a unique WPVNID for each routed waypoint device in the network, designate a common virtual network identifier (VNID) for all virtual switches in a single virtual network, wherein a different VNID is designated for each virtual network, and create a service chain table comprising each VNID, WPVNID, and EPVNID designated in the network individually correlated with at least a pair of VNIDs: a source VNID and a destination VNID, based on one or more policies affecting application of services to packets in the network.

2. 发明授权

US09602335B2 Independent network interfaces for virtual network environments 有权
公开(公告)号：US09602335B2
公开(公告)日：2017-03-21
申请号：US14072325
申请日：2013-11-05
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Stephan Benny
IPC分类号： G06F17/50 , H04L12/56 , H04L12/24 , G06F9/455 , H04L12/931
CPC分类号： H04L45/745 , G06F9/45558 , G06F2009/45595 , H04L12/4641 , H04L41/0213 , H04L49/70 , H04L61/6022
摘要： Embodiments of the invention relate to providing network independent network interfaces. One embodiment includes creating a root interface in a first device in a network system. Virtual network interface cards (vNICs) are added to the root interface. The first device executes network services on the root interface. The root interface is a single access point for accessing a plurality of underlying networks.

3. 发明申请

US20140269709A1 VIRTUAL GATEWAYS AND IMPLICIT ROUTING IN DISTRIBUTED OVERLAY VIRTUAL ENVIRONMENTS 有权
标题翻译：虚拟网关和分布式虚拟环境中的隐含路由
公开(公告)号：US20140269709A1
公开(公告)日：2014-09-18
申请号：US13795666
申请日：2013-03-12
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Stephan Benny , Uday S. Nagaraj
IPC分类号： H04L12/56
CPC分类号： H04L12/4633 , H04L12/4641 , H04L12/66 , H04L29/0653 , H04L45/00 , H04L45/64 , H04L45/74 , H04L49/70 , H04L61/2007 , H04L61/6022 , H04L69/16
摘要： Embodiments of the invention relate to providing default gateway virtualization in a distributed overlay virtual environment. One embodiment includes a method that includes creating a packet by a first virtual machine (VM) including a first destination address. The packet is received from the first VM by a first virtual switch. A second destination address for a second VM is obtained by the first virtual switch based on information in the packet. The first destination address in the packet is replaced with the second destination address. The packet is encapsulated using a header that is addressed for a second virtual switch.
摘要翻译：本发明的实施例涉及在分布式重叠虚拟环境中提供默认网关虚拟化。一个实施例包括一种方法，其包括由包括第一目的地地址的第一虚拟机（VM）创建分组。通过第一虚拟交换机从第一虚拟机接收分组。基于分组中的信息，通过第一虚拟交换机获得第二VM的第二目的地地址。数据包中的第一个目标地址被第二个目标地址替换。使用为第二个虚拟交换机寻址的报头来封装数据包。

4. 发明申请

US20140207930A1 INDEPENDENT NETWORK INTERFACES FOR VIRTUAL NETWORK ENVIRONMENTS 有权
标题翻译：虚拟网络环境的独立网络接口
公开(公告)号：US20140207930A1
公开(公告)日：2014-07-24
申请号：US14072325
申请日：2013-11-05
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Stephan Benny
IPC分类号： H04L12/24
CPC分类号： H04L45/745 , G06F9/45558 , G06F2009/45595 , H04L12/4641 , H04L41/0213 , H04L49/70 , H04L61/6022
摘要： Embodiments of the invention relate to providing network independent network interfaces. One embodiment includes creating a root interface in a first device in a network system. Virtual network interface cards (vNICs) are added to the root interface. The first device executes network services on the root interface. The root interface is a single access point for accessing a plurality of underlying networks
摘要翻译：本发明的实施例涉及提供网络独立的网络接口。一个实施例包括在网络系统中的第一设备中创建根接口。虚拟网络接口卡（vNIC）被添加到根界面。第一台设备在根界面上执行网络服务。根接口是用于访问多个底层网络的单个接入点

5. 发明申请

US20160323121A1 VIRTUAL GATEWAYS AND IMPLICIT ROUTING IN DISTRIBUTED OVERLAY VIRTUAL ENVIRONMENTS 有权
标题翻译：虚拟网关和分布式虚拟环境中的隐含路由
公开(公告)号：US20160323121A1
公开(公告)日：2016-11-03
申请号：US15209661
申请日：2016-07-13
申请人： International Business Machines Corporation
发明人： Stephan Benny , Uday S. Nagaraj
IPC分类号： H04L12/46 , H04L29/06 , H04L29/12 , H04L12/741 , H04L12/66 , H04L12/931
CPC分类号： H04L12/4633 , H04L12/4641 , H04L12/66 , H04L29/0653 , H04L45/00 , H04L45/64 , H04L45/74 , H04L49/70 , H04L61/2007 , H04L61/6022 , H04L69/16
摘要： A method includes encapsulating, by a first virtual switch, a packet from a first virtual machine (VM) into a tunneled packet by appending the packet with a tunnel header that is addressed for a second virtual switch, wherein the packet includes a first destination address for a virtual default gateway. The first virtual switch forwards an inner packet of the encapsulated packet to a second VM. The first virtual switch acts as a virtual default gateway based on replacement of a first destination address for the virtual default gateway with a second destination address for the second VM.
摘要翻译：一种方法包括由第一虚拟交换机将分组从第一虚拟机（VM）封装成隧道化分组，通过用针对第二虚拟交换机寻址的隧道报头附加分组，其中所述分组包括第一目的地地址用于虚拟默认网关。第一虚拟交换机将封装分组的内部分组转发到第二个VM。第一虚拟交换机充当虚拟默认网关，其基于用于虚拟默认网关的第一目的地地址替换第二VM的第二目的地址。

6. 发明申请

US20160119230A1 HYPERVISOR INDEPENDENT NETWORK VIRTUALIZATION 有权
标题翻译：高性能独立网络虚拟化
公开(公告)号：US20160119230A1
公开(公告)日：2016-04-28
申请号：US14987594
申请日：2016-01-04
申请人： International Business Machines Corporation
发明人： Stephan Benny , Jayakrishna Kidambi , Vijoy A. Pandey
IPC分类号： H04L12/715 , H04L12/46 , H04L12/931
CPC分类号： H04L45/64 , H04L12/4633 , H04L12/4645 , H04L45/04 , H04L49/70
摘要： A method includes receiving a first packet having a first virtual local area network (VLAN) identifier (ID) directly from a first virtual switch using a first physical overlay switch located at an edge of an internet protocol (IP) network, encapsulating the first packet with an overlay header and tunneling the first encapsulated packet via Layer-3 operations across the IP network to a second physical overlay switch in response to a determination that a source of the packet is physically separated from a destination of the packet by the IP network, receiving a second encapsulated packet having a second overlay header from the second physical overlay switch, de-encapsulating the second encapsulated packet to create a second packet having a second VLAN ID, and sending the second packet having the second VLAN ID directly to the first virtual switch operating in the first hypervisor domain.
摘要翻译：一种方法包括使用位于互联网协议（IP）网络的边缘处的第一物理覆盖交换机从第一虚拟交换机直接接收具有第一虚拟局域网（VLAN）标识符（ID）的第一分组，封装所述第一分组具有覆盖报头，并且响应于确定所述分组的源与所述IP网络在所述分组的目的地物理上分离而将所述第一封装分组经由所述IP网络的第3层操作隧道传送到第二物理覆盖交换机，从所述第二物理覆盖交换机接收具有第二覆盖报头的第二封装分组，解封装所述第二封装分组以创建具有第二VLAN ID的第二分组，以及将具有所述第二VLAN ID的所述第二分组直接发送到所述第一虚拟交换机在第一个虚拟机管理程序域中运行。

7. 发明授权

US09264352B2 Hypervisor independent network virtualization 有权
标题翻译：虚拟机管理程序独立网络虚拟化
公开(公告)号：US09264352B2
公开(公告)日：2016-02-16
申请号：US14066492
申请日：2013-10-29
申请人： International Business Machines Corporation
发明人： Stephan Benny , Jayakrishna Kidambi , Vijoy A. Pandey
IPC分类号： H04L12/28 , H04L12/56 , H04L12/715 , H04L12/46
CPC分类号： H04L45/64 , H04L12/4633 , H04L12/4645 , H04L45/04 , H04L49/70
摘要： A method includes receiving a packet having a VLAN ID at a first physical overlay switch located at an edge of an IP network, encapsulating the packet with an overlay header, and tunneling the encapsulated packet to a second physical overlay switch via IP network.
摘要翻译：一种方法包括：在位于IP网络边缘的第一物理覆盖交换机处接收具有VLAN ID的分组，用覆盖报头封装分组，并且经由IP网络将封装的分组隧穿到第二物理覆盖交换机。

8. 发明申请

US20150100958A1 TRAFFIC MIGRATION ACCELERATION FOR OVERLAY VIRTUAL ENVIRONMENTS 有权
标题翻译：用于覆盖虚拟环境的交通移动加速
公开(公告)号：US20150100958A1
公开(公告)日：2015-04-09
申请号：US14050091
申请日：2013-10-09
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Bhalachandra G. Banavalikar , Stephan Benny , Amitabha Biswas , Uday S. Nagaraj
IPC分类号： G06F9/48 , G06F9/455
CPC分类号： H04L12/4633 , G06F9/45533 , G06F9/45558 , G06F9/4856 , G06F9/505 , G06F9/5083 , G06F9/5088 , G06F2009/4557
摘要： Embodiments of the invention relate to providing acceleration for traffic migration for virtual machine (VM) migration in overlay networks. One embodiment includes a method that includes migrating of a VM from a first hypervisor to a second hypervisor. The first hypervisor detects incoming encapsulated traffic sent from a third hypervisor that is targeted for the VM. The first hypervisor indicates to a service of incorrect information in the incoming encapsulated traffic for the VM. The third hypervisor is notified with updated information for the VM.
摘要翻译：本发明的实施例涉及为覆盖网络中的虚拟机（VM）迁移提供用于业务迁移的加速。一个实施例包括一种方法，其包括将VM从第一管理程序迁移到第二管理程序。第一个管理程序检测从VM的目标的第三个虚拟机管理程序发送的传入封装流量。第一个虚拟机管理程序指示虚拟机的传入封装流量中的不正确信息的服务。第三个虚拟机监控程序通知有关VM的更新信息。

9. 发明申请

US20140207969A1 ADDRESS MANAGEMENT IN AN OVERLAY NETWORK ENVIRONMENT 有权
标题翻译：覆盖网络环境中的地址管理
公开(公告)号：US20140207969A1
公开(公告)日：2014-07-24
申请号：US13747223
申请日：2013-01-22
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Stephan Benny , Amitabha Biswas , Jayakrishna Kidambi
IPC分类号： H04L29/12
CPC分类号： H04L61/2046 , H04L41/0803 , H04L45/64 , H04L61/103 , H04L61/2007 , H04L61/2535 , H04W8/26
摘要： Embodiments of the invention relate to overlay network address management. One embodiment includes an overlay gateway including an overlay network manager associated with a physical network. The overlay network manager prevents duplicate address assignment for overlay domains having a first sharing status and performs address translation for overlay domains having a second sharing status. Address translation is avoided for overlay domains having the first sharing status.
摘要翻译：本发明的实施例涉及覆盖网络地址管理。一个实施例包括包括与物理网络相关联的覆盖网络管理器的覆盖网关。覆盖网络管理器防止具有第一共享状态的覆盖域的重复地址分配，并且对具有第二共享状态的覆盖域执行地址转换。避免具有第一共享状态的覆盖域的地址转换。

10. 发明申请

US20140064274A1 RELAYING FRAMES IN A LARGE LAYER 2 NETWORK FABRIC 有权
标题翻译：在大层2网络织物上继承框架
公开(公告)号：US20140064274A1
公开(公告)日：2014-03-06
申请号：US14072914
申请日：2013-11-06
申请人： International Business Machines Corporation
发明人： Stephan Benny , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/733
CPC分类号： H04L45/20 , H04L45/00
摘要： A network fabric includes interconnected network nodes, each having access to a database containing predetermined paths from each network node to each other network node in the network fabric. Each network node determines, in response to an incoming frame, whether the frame is a fabric protocol data unit (PDU) having a header containing path attributes including a destination node address. If the frame is a fabric PDU, the node selects a first path to the destination node from the database, and forwards the fabric PDU to a next hop in accordance with the selected path. If the frame is not a fabric PDU, the node selects a second path through the network fabric to the destination node from the database, adds the header with the path attributes to the frame to produce the fabric PDU, and forwards the fabric PDU to the next hop in accordance with the second path.
摘要翻译：网络结构包括互连的网络节点，每个网络节点都可以访问包含从网络结构中的每个网络节点到每个其他网络节点的预定路径的数据库。每个网络节点响应于传入帧确定该帧是否是具有包含目的地节点地址的路径属性的报头的结构协议数据单元（PDU）。如果帧是结构PDU，则节点从数据库中选择到目的地节点的第一路径，并且根据所选择的路径将结构PDU转发到下一跳。如果帧不是结构PDU，则节点从数据库中选择通过网络结构到目的节点的第二条路径，将具有路径属性的头部添加到该帧以产生结构PDU，并将结构PDU转发到下一跳按照第二条路径。

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