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1. 发明申请

US20160352870A1 SYSTEMS AND METHODS FOR OFFLOADING INLINE SSL PROCESSING TO AN EMBEDDED NETWORKING DEVICE 审中-公开
标题翻译：用于将嵌入式网络处理的内联网络装置卸载的系统和方法
公开(公告)号：US20160352870A1
公开(公告)日：2016-12-01
申请号：US15152164
申请日：2016-05-11
申请人： CAVIUM, INC.
发明人： Ram Kumar MANAPRAGADA , Manojkumar Panicker , Faisal Masood , Satish Kikkeri
IPC分类号： H04L29/06 , G06F13/42 , G06F9/54 , H04L29/08
CPC分类号： G06F9/54 , G06F13/4282 , H04L63/168 , H04L67/34
摘要： A new approach is proposed that contemplates systems and methods to support a mechanism to offload all aspects of inline SSL processing of an application running on a server/host to an embedded networking device such as a Network Interface Card (NIC), which serves as a hardware accelerator for all applications running on the server that need to have a secure connection with a remote client device over a network. By utilizing a plurality of its software and hardware features, the embedded networking device is configured to process all SSL operations of the secure connection inline, i.e., the SSL operations are performed as packets are transferred between the host and the client over the network, rather than having the SSL operations offloaded to the NIC, which then returns the packets to the host (or the remote client device) before they can be transmitted to the remote client device (or to the host).
摘要翻译：提出了一种新方法，其中考虑了支持将服务器/主机上运行的应用程序的内联SSL处理的所有方面卸载到诸如网络接口卡（NIC）的嵌入式网络设备的系统和方法，网络接口卡（NIC）硬件加速器，用于在需要通过网络与远程客户端设备进行安全连接的服务器上运行的所有应用程序。通过利用其多个软件和硬件特征，嵌入式网络设备被配置为在线处理安全连接的所有SSL操作，即，当通过网络在主机和客户端之间传送分组时，执行SSL操作，而不是而不是将SSL操作卸载到NIC，然后将NIC发送到远程客户端设备（或主机）之前将数据包返回给主机（或远程客户端设备）。

2. 发明授权

US10095558B2 Systems and methods for offloading inline SSL processing to an embedded networking device 有权
公开(公告)号：US10095558B2
公开(公告)日：2018-10-09
申请号：US15152164
申请日：2016-05-11
申请人： CAVIUM, INC.
发明人： Ram Kumar Manapragada , Manojkumar Panicker , Faisal Masood , Satish Kikkeri
IPC分类号： G06F15/16 , G06F9/54 , G06F13/42 , H04L29/06 , H04L29/08
摘要： A new approach is proposed that contemplates systems and methods to support a mechanism to offload all aspects of inline SSL processing of an application running on a server/host to an embedded networking device such as a Network Interface Card (NIC), which serves as a hardware accelerator for all applications running on the server that need to have a secure connection with a remote client device over a network. By utilizing a plurality of its software and hardware features, the embedded networking device is configured to process all SSL operations of the secure connection inline, i.e., the SSL operations are performed as packets are transferred between the host and the client over the network, rather than having the SSL operations offloaded to the NIC, which then returns the packets to the host (or the remote client device) before they can be transmitted to the remote client device (or to the host).

3. 发明授权

US09529773B2 Systems and methods for enabling access to extensible remote storage over a network as local storage via a logical storage controller 有权
标题翻译：用于通过网络作为本地存储通过逻辑存储控制器访问可扩展远程存储的系统和方法
公开(公告)号：US09529773B2
公开(公告)日：2016-12-27
申请号：US15041892
申请日：2016-02-11
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Brian Folsom , Richard Eugene Kessler
IPC分类号： G06F3/06 , G06F15/167 , H04L12/26 , H04L29/08 , G06F9/455 , H04L12/24
CPC分类号： G06F15/167 , G06F3/06 , G06F3/0604 , G06F3/0611 , G06F3/065 , G06F3/0662 , G06F3/0665 , G06F3/067 , G06F3/0683 , G06F3/0685 , G06F3/0689 , G06F9/45533 , G06F9/45558 , G06F2009/4557 , G06F2009/45583 , G06F2009/45587 , H04L41/0866 , H04L43/04 , H04L67/1097
摘要： A new approach is proposed that contemplates systems and methods to support elastic (extensible/flexible) storage access in real time by mapping a plurality of remote storage devices that are accessible over a network fabric as logical namespace(s) via a logical storage controller using a multitude of access mechanisms and storage network protocols. The logical storage controller exports and presents the remote storage devices to one or more VMs running on a host of the logical storage controller as the logical namespace(s), wherein these remote storage devices appear virtually as one or more logical volumes of a collection of logical blocks in the logical namespace(s) to the VMs. As a result, each of the VMs running on the host can access these remote storage devices to perform read/write operations as if they were local storage devices via the logical namespace(s).
摘要翻译：提出了一种新方法，其考虑通过经由逻辑存储控制器将可通过网络结构访问的多个远程存储设备映射到逻辑命名空间来实时地支持弹性（可扩展/灵活）存储访问的系统和方法，其使用多种访问机制和存储网络协议。逻辑存储控制器导出并将远程存储设备呈现给在逻辑存储控制器的主机上运行的一个或多个VM作为逻辑命名空间，其中这些远程存储设备实际上显示为一个或多个逻辑卷的集合虚拟机的逻辑命名空间中的逻辑块。因此，主机上运行的每个虚拟机都可以访问这些远程存储设备，以便执行读/写操作，就像它们是通过逻辑命名空间的本地存储设备一样。

4. 发明授权

US09501245B2 Systems and methods for NVMe controller virtualization to support multiple virtual machines running on a host 有权
标题翻译：用于支持在主机上运行的多个虚拟机的NVMe控制器虚拟化的系统和方法
公开(公告)号：US09501245B2
公开(公告)日：2016-11-22
申请号：US14279712
申请日：2014-05-16
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Brian Folsom , Richard Eugene Kessler
IPC分类号： G06F12/00 , G06F3/06 , G06F9/50
CPC分类号： G06F3/067 , G06F3/061 , G06F3/0613 , G06F3/0643 , G06F3/0655 , G06F3/0664 , G06F3/0665 , G06F3/0688 , G06F9/50 , G06F9/5077
摘要： A new approach is proposed that contemplates systems and methods to virtualize a physical NVMe controller associated with a computing device or host so that every virtual machine running on the host can have its own dedicated virtual NVMe controller. First, a plurality of virtual NVMe controllers are created on a single physical NVMe controller, which is associated with one or more storage devices. Once created, the plurality of virtual NVMe controllers are provided to VMs running on the host in place of the single physical NVMe controller attached to the host, and each of the virtual NVMe controllers organizes the storage units to be accessed by its corresponding VM as a logical volume. As a result, each of the VMs running on the host has its own namespace(s) and can access its storage devices directly through its own virtual NVMe controller.
摘要翻译：提出了一种新方法，考虑系统和方法来虚拟化与计算设备或主机相关联的物理NVMe控制器，以便在主机上运行的每个虚拟机都可以拥有自己的专用虚拟NVMe控制器。首先，在与一个或多个存储设备相关联的单个物理NVMe控制器上创建多个虚拟NVMe控制器。一旦创建，多个虚拟NVMe控制器被提供给在主机上运行的VM，代替连接到主机的单个物理NVMe控制器，并且每个虚拟NVMe控制器组织要由其对应的VM访问的存储单元作为逻辑卷。因此，主机上运行的每个虚拟机都有自己的命名空间，可以通过自己的虚拟NVMe控制器直接访问其存储设备。

5. 发明授权

US09571412B2 Systems and methods for hardware accelerated timer implementation for openflow protocol 有权
标题翻译：用于开放式流程协议的硬件加速定时器实现的系统和方法
公开(公告)号：US09571412B2
公开(公告)日：2017-02-14
申请号：US14681978
申请日：2015-04-08
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Richard Eugene Kessler
IPC分类号： H04L12/863 , H04L12/841 , H04L12/721 , H04L12/741
CPC分类号： H04L47/6215 , H04L45/38 , H04L45/54 , H04L47/28 , H04L47/623
摘要： A new approach is proposed to support a virtual network switch, which is a software implementation of a network switch utilizing hardware to accelerate implementation of timers of the virtual network switch under OpenFlow protocol. The approach utilizes a plurality of hardware-implemented timer blocks/rings, wherein each of the rings covers a specified time period and has a plurality of timer buckets each corresponding to an interval of expiration time of timers. When a new flow table entry is programmed at an OpenFlow agent of the virtual network switch, its associated timer entries are created and inserted into the corresponding timer bucket based on the expiration time of the timers. During operation, hardware of the virtual network switch traverses the timer rings for the timer bucket which time has expired, identifies timer entries in the expired timer bucket, interrupts CPU or provides a notification to the agent with necessary contextual information.
摘要翻译：提出了一种支持虚拟网络交换机的新方法，虚拟网络交换机是利用硬件的网络交换机的软件实现，以加速OpenFlow协议下虚拟网络交换机定时器的实现。该方法利用多个硬件实现的定时器块/环，其中每个环覆盖指定的时间段，并且具有多个定时器桶，每个定时器桶对应于定时器的到期时间的间隔。当在虚拟网络交换机的OpenFlow代理程序中编写新的流表条目时，将根据定时器的到期时间创建相关联的定时器条目并将其插入到相应的定时器桶中。在运行期间，虚拟网络交换机的硬件遍历定时器桶的定时器环，定时器桶的时间到期，识别到期定时器桶中的定时器条目，中断CPU或向代理提供必要的上下文信息通知。

6. 发明授权

US09430268B2 Systems and methods for supporting migration of virtual machines accessing remote storage devices over network via NVMe controllers 有权
标题翻译：通过NVMe控制器支持通过网络访问远程存储设备的虚拟机的迁移的系统和方法
公开(公告)号：US09430268B2
公开(公告)日：2016-08-30
申请号：US14537758
申请日：2014-11-10
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Brian Folsom , Richard Eugene Kessler
IPC分类号： G06F9/44 , G06F9/45 , G06F9/455 , G06F3/06 , G06F9/445 , G06F11/36
CPC分类号： G06F9/45558 , G06F3/067 , G06F8/71 , G06F9/44505 , G06F9/45537 , G06F11/3664 , G06F2009/4557 , H04L67/1097
摘要： A new approach is proposed virtual machines (VMs) accessing remote storage devices over a network via non-volatile memory express (NVMe) controllers to migrate live from a current host to a destination host. A first virtual NVMe controller running on a first physical NVMe controller enables a first VM running on the current host to perform storage operations to logical volumes mapped to the remote storage devices over the network as if they were local storage volumes. During VM migration, the current host puts the first virtual NVMe controller into quiesce state and saves an image of its states. A second virtual NVMe controller is created on a second physical NVMe controller using the saved image, which is configured to serve a second VM on the destination host. The second virtual NVMe controller resumes the storage operations to the remote storage devices without being interrupted by the VM migration.
摘要翻译：提出了一种新的方法，虚拟机（VM）通过非易失性存储器快速（NVMe）控制器通过网络访问远程存储设备，以便从当前主机迁移到目标主机。运行在第一个物理NVMe控制器上的第一个虚拟NVMe控制器使得当前主机上运行的第一个虚拟机可以对通过网络映射到远程存储设备的逻辑卷执行存储操作，就好像它们是本地存储卷一样。 VM迁移期间，当前主机将第一个虚拟NVMe控制器置于静止状态，并保存其状态的映像。第二个虚拟NVMe控制器在第二个物理NVMe控制器上使用保存的映像创建，该映像被配置为在目标主机上提供第二个虚拟机。第二个虚拟NVMe控制器将存储操作恢复到远程存储设备，而不会被VM迁移中断。

7. 发明授权

US09294567B2 Systems and methods for enabling access to extensible storage devices over a network as local storage via NVME controller 有权
标题翻译：通过NVME控制器通过网络访问可扩展存储设备作为本地存储的系统和方法
公开(公告)号：US09294567B2
公开(公告)日：2016-03-22
申请号：US14300552
申请日：2014-06-10
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Brian Folsom , Richard Eugene Kessler
IPC分类号： G06F3/06 , H04L29/08 , G06F9/455 , H04L12/24 , H04L12/26
CPC分类号： H04L67/1097 , G06F3/06 , G06F3/0611 , G06F3/065 , G06F3/0662 , G06F3/0665 , G06F3/067 , G06F3/0683 , G06F3/0685 , G06F3/0689 , G06F9/45533 , G06F9/45558 , G06F2009/4557 , G06F2009/45583 , G06F2009/45587 , H04L41/0866 , H04L43/04 , H04L67/1095
摘要： A new approach is proposed that contemplates systems and methods to support extensible/flexible storage access in real time by virtualizing a plurality of remote storage devices as NVMe namespace(s) via an NVMe controller using a storage network protocol. The NVMe controller exports and presents the remote storage devices to one or more VMs running on a host attached to the NVMe controller as the NVMe namespace(s), wherein these remote storage devices appear virtually as one or more logical volumes of a collection of logical blocks in the NVMe namespace(s) to the VMs. As a result, each of the VMs running on the host can access these remote storage devices to perform read/write operations as if they were local storage devices via the NVMe namespace(s).
摘要翻译：提出了一种新方法，考虑通过使用存储网络协议经由NVMe控制器将多个远程存储设备虚拟化为NVMe命名空间来实时地支持可扩展/灵活存储访问的系统和方法。 NVMe控制器导出并将远程存储设备呈现给连接到NVMe控制器的主机上运行的一个或多个VM作为NVMe命名空间，其中这些远程存储设备实际上显示为逻辑集合的一个或多个逻辑卷将NVMe命名空间中的块封装到虚拟机。因此，主机上运行的每个虚拟机都可以访问这些远程存储设备，以执行读/写操作，就像它们是通过NVMe命名空间的本地存储设备一样。

8. 发明授权

US10084719B2 Systems and methods for hardware accelerated metering for openflow protocol 有权
公开(公告)号：US10084719B2
公开(公告)日：2018-09-25
申请号：US14939982
申请日：2015-11-12
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Richard Eugene Kessler
IPC分类号： H04L12/863 , H04L12/841 , H04L12/721 , H04L12/741
CPC分类号： H04L47/6215 , H04L45/38 , H04L45/54 , H04L47/28 , H04L47/623
摘要： A new approach is proposed that contemplates systems and methods to support hardware-based Quality of Service (QoS) operations, which offloads metering functionalities under OpenFlow protocol to a programmable hardware unit/block/component. The hardware unit supports several hardware implemented ports and each port supports multiple configurable queues for the packet flows through a network switch/chip/system. Specifically, the hardware unit includes a plurality of descriptor queues (DQs) configured to accept requests to send a plurality of packets from one or more CPU cores, and a plurality of condition and schedule modules configured to meter, schedule, and condition the packets through a hierarchy of scheduling queues under one or more metering constraints. The hardware unit is programmable to configure the byte-based and/or packet-based rate-limit for each of the packet flows with a calculated adjustment on allowed variations without requiring complex QoS algorithms to maintain the rate-limits of the flows.

9. 发明授权

US09819739B2 Systems and methods for supporting hot plugging of remote storage devices accessed over a network via NVME controller 有权
公开(公告)号：US09819739B2
公开(公告)日：2017-11-14
申请号：US14496916
申请日：2014-09-25
申请人： CAVIUM, INC.
发明人： Muhammad Raghib Hussain , Vishal Murgai , Manojkumar Panicker , Faisal Masood , Brian Folsom , Richard Eugene Kessler
IPC分类号： G06F15/16 , H04L29/08 , G06F3/06 , G06F9/455 , H04L12/24 , H04L12/26
CPC分类号： H04L67/1097 , G06F3/06 , G06F3/0611 , G06F3/065 , G06F3/0662 , G06F3/0665 , G06F3/067 , G06F3/0683 , G06F3/0685 , G06F3/0689 , G06F9/45533 , G06F9/45558 , G06F2009/4557 , G06F2009/45583 , G06F2009/45587 , H04L41/0866 , H04L43/04 , H04L67/1095
摘要： A new approach is proposed that contemplates systems and methods to support hot plugging and/or unplugging one or more of remote storage devices virtualized as extensible/flexible storages and NVMe namespace(s) via an NVMe controller during operation. First, the NVMe controller virtualizes and presents a set of remote storage devices to one or more VMs running on a host attached to the NVMe controller as logical volumes in the NVMe namespace(s) so that each of the VMs running on the host can access these remote storage devices to perform read/write operations as if they were local storage devices. When the one or more remote storage devices are added to or removed from the set of remote storage devices based on storage space needs of the VMs, the NVMe controller updates the logical volumes in the NVMe namespace(s) accordingly and enables these remote storage devices to be hot plugged or unplugged from the plurality of remote storage devices at runtime without requiring shutting down and restarting any of the VMs, the host, and/or the NVMe controller. The VMs may then perform read/write operations on the NVMe namespace(s) updated to reflect the changes in the configuration of the set of remote storage devices dynamically without any interruption.

10. 发明申请

US20160266894A1 SYSTEMS AND METHODS FOR LIVE UPGRADE AND UPDATE OF FIRMWARE ON AN EMBEDDED NETWORKING DEVICE 审中-公开
标题翻译：嵌入式网络设备上固件升级和更新的系统和方法
公开(公告)号：US20160266894A1
公开(公告)日：2016-09-15
申请号：US15067050
申请日：2016-03-10
申请人： CAVIUM, INC.
发明人： Manojkumar Panicker , Derek Chickles , Faisal Masood , Ramarao Kopparthi , Satish Kikkeri , Parasun Kapoor , David Daney , Leonid Rosenboim
IPC分类号： G06F9/445 , H04L29/08
CPC分类号： H04L67/34 , G06F8/656 , G06F9/4418
摘要： A new approach is proposed that contemplates systems and methods to support performing a live update or upgrade of a firmware of an embedded networking device to a successful completion without resetting the embedded networking device. For the live update or upgrade to the firmware of the embedded networking device, a new version of the firmware that includes new features/enhancements to improve the product functionality or fix bugs encountered in previous versions of the firmware is installed seamlessly on the embedded networking device to replace the current version of the firmware on one or more cores at a time. During the live firmware updating or upgrading process, various software applications running on other cores of the embedded networking device continue to perform packet processing operations without any interruption. The live firmware update process continues until all cores of the embedded networking device are updated with the newly updated/upgraded firmware.
摘要翻译：提出了一种新方法，其考虑了系统和方法来支持实时更新或升级嵌入式网络设备的固件，以便成功完成，而无需重置嵌入式网络设备。对于实时更新或升级到嵌入式网络设备的固件，包含新功能/增强功能的新版本的固件可以无缝地安装在嵌入式网络设备上，包括改进产品功能或修复以前版本固件遇到的错误一次更换一个或多个内核上的固件的当前版本。在实时固件更新或升级过程中，在嵌入式网络设备的其他核心上运行的各种软件应用程序继续执行数据包处理操作，而不会中断。使用新更新/升级的固件更新嵌入式网络设备的所有核心，直到固件更新过程继续。

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