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11. 发明授权

US08687503B2 Technique for identifying a failed network interface card within a team of network interface cards 有权
标题翻译：识别网络接口卡组内的故障网络接口卡的技术
公开(公告)号：US08687503B2
公开(公告)日：2014-04-01
申请号：US13407455
申请日：2012-02-28
申请人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
发明人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
IPC分类号： H04L1/00
CPC分类号： H04L1/24 , G06F2213/0038 , H04L41/0677 , H04L43/0817 , H04L43/10 , H04L45/28 , H04L69/14
摘要： A method for identifying a failed network interface card in a system having two NICs configured as a team includes the steps of transmitting a first data packet from the first NIC to a third NIC, wherein the third NIC is not a member of the team, and transmitting a second data packet from the first NIC to the second NIC or from the second NIC to the third NIC, depending on whether the third NIC responds to the transmission of the first data packet. One advantage of the disclosed method is that it specifically identifies which NIC within the team has failed, which is something that cannot be determined by simply exchanging packets between the two NICs.
摘要翻译：一种用于识别具有配置为团队的两个NIC的系统中的故障网络接口卡的方法包括以下步骤：将第一数据包从第一NIC发送到第三NIC，其中第三NIC不是该组的成员，以及根据第三NIC是否响应于第一数据分组的传输，将第二数据分组从第一NIC发送到第二NIC或从第二NIC发送到第三NIC。所公开的方法的一个优点是它具体识别了团队中的哪个NIC失败，这是通过简单地在两个NIC之间交换分组不能确定的。

12. 发明授权

US08284782B1 System and method for avoiding ARP cache pollution 有权
标题翻译：避免ARP缓存污染的系统和方法
公开(公告)号：US08284782B1
公开(公告)日：2012-10-09
申请号：US11280134
申请日：2005-11-15
申请人： Thomas A. Maufer , Ayaz Abdulla , Norman K. Chen , Ashutosh K. Jha , Hemamalinl Manickavasagam , Sameer Nanda , Anand Rajagopalan
发明人： Thomas A. Maufer , Ayaz Abdulla , Norman K. Chen , Ashutosh K. Jha , Hemamalinl Manickavasagam , Sameer Nanda , Anand Rajagopalan
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L61/103 , H04L61/2015 , H04L61/6009
摘要： A method for establishing a network connection between two computing devices within the same computer network includes the steps of generating a masquerade IP address request, where the masquerade IP address request includes a masquerade MAC address, transmitting the masquerade IP address request to a DHCP server, and receiving a masquerade IP address from the DHCP server. The masquerade IP address is then used as the sender's IP address in an ARP broadcast request transmitted to set up the network connection. Since the masquerade IP address is unique relative to the computer network, computing devices within the network do no overwrite existing IP-to-MAC relationships in their respective ARP caches with the IP-to-MAC relationship reflected in the ARP broadcast request. Thus, the method enables a network connection to be initiated between two computing devices in the same computer network while avoiding ARP cache pollution on other computing devices in that network.
摘要翻译：用于在同一计算机网络内的两个计算设备之间建立网络连接的方法包括以下步骤：生成伪装IP地址请求，伪装IP地址请求包括伪装的MAC地址，将伪装的IP地址请求发送给DHCP服务器，并从DHCP服务器接收伪装的IP地址。然后，伪装的IP地址用作发送的ARP广播请求中的发送者的IP地址，以建立网络连接。由于伪装IP地址相对于计算机网络是唯一的，网络内的计算设备不会覆盖其ARP广播请求中反映的IP到MAC关系的各自ARP缓存中的现有IP到MAC关系。因此，该方法使得能够在同一计算机网络中的两个计算设备之间启动网络连接，同时避免在该网络中的其他计算设备上的ARP缓存污染。

13. 发明授权

US08134928B1 Technique for identifying a failed network interface card within a team of network interface cards 有权
标题翻译：识别网络接口卡组内的故障网络接口卡的技术
公开(公告)号：US08134928B1
公开(公告)日：2012-03-13
申请号：US11305177
申请日：2005-12-15
申请人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
发明人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
IPC分类号： H04L1/00
CPC分类号： H04L1/24 , G06F2213/0038 , H04L41/0677 , H04L43/0817 , H04L43/10 , H04L45/28 , H04L69/14
摘要： A method for identifying a failed network interface card in a system having two NICs configured as a team includes the steps of transmitting a first data packet from the first NIC to a third NIC, wherein the third NIC is not a member of the team, and transmitting a second data packet from the first NIC to the second NIC or from the second NIC to the third NIC, depending on whether the third NIC responds to the transmission of the first data packet. One advantage of the disclosed method is that it specifically identifies which NIC within the team has failed, which is something that cannot be determined by simply exchanging packets between the two NICs.
摘要翻译：一种用于识别具有配置为团队的两个NIC的系统中的故障网络接口卡的方法包括以下步骤：将第一数据包从第一NIC发送到第三NIC，其中第三NIC不是该组的成员，以及根据第三NIC是否响应于第一数据分组的传输，将第二数据分组从第一NIC发送到第二NIC或从第二NIC发送到第三NIC。所公开的方法的一个优点是它具体识别了团队中的哪个NIC失败，这是通过简单地在两个NIC之间交换分组不能确定的。

14. 发明申请

US20120155249A1 TECHNIQUE FOR IDENTIFYING A FAILED NETWORK INTERFACE CARD WITHIN A TEAM OF NETWORK INTERFACE CARDS 有权
标题翻译：识别网络接口卡中的一个失败的网络接口卡的技术
公开(公告)号：US20120155249A1
公开(公告)日：2012-06-21
申请号：US13407455
申请日：2012-02-28
申请人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
发明人： Hemamalini Manickavasagam , Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Thomas A. Maufer , Sameer Nanda
IPC分类号： H04L12/24
CPC分类号： H04L1/24 , G06F2213/0038 , H04L41/0677 , H04L43/0817 , H04L43/10 , H04L45/28 , H04L69/14
摘要： A method for identifying a failed network interface card in a system having two NICs configured as a team includes the steps of transmitting a first data packet from the first NIC to a third NIC, wherein the third NIC is not a member of the team, and transmitting a second data packet from the first NIC to the second NIC or from the second NIC to the third NIC, depending on whether the third NIC responds to the transmission of the first data packet. One advantage of the disclosed method is that it specifically identifies which NIC within the team has failed, which is something that cannot be determined by simply exchanging packets between the two NICs.
摘要翻译：一种用于识别具有配置为团队的两个NIC的系统中的故障网络接口卡的方法包括以下步骤：将第一数据包从第一NIC发送到第三NIC，其中第三NIC不是该组的成员，以及根据第三NIC是否响应于第一数据分组的传输，将第二数据分组从第一NIC发送到第二NIC或从第二NIC发送到第三NIC。所公开的方法的一个优点是它具体识别了团队中的哪个NIC失败，这是通过简单地在两个NIC之间交换分组不能确定的。

15. 发明授权

US07693044B2 Single logical network interface for advanced load balancing and fail-over functionality 失效
标题翻译：单一逻辑网络接口，用于高级负载平衡和故障切换功能
公开(公告)号：US07693044B2
公开(公告)日：2010-04-06
申请号：US11303281
申请日：2005-12-15
申请人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
发明人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
IPC分类号： H04J1/16
CPC分类号： H04L12/4641
摘要： The invention sets forth an approach for aggregating a plurality of NICs in a computing device into a single logical NIC as seen by that computing device's operating system. The combination of the single logical NIC and a network resource manager provides a reliable and persistent interface to the operating system and to the network hardware, thereby improving the reliability and ease-of-configuration of the computing device. The invention also may improve communications security by supporting the 802.1X and the 802.1Q networking standards.
摘要翻译：本发明提出了一种用于将计算设备中的多个NIC聚合成单个逻辑NIC的方法，如该计算设备的操作系统所示。单个逻辑NIC和网络资源管理器的组合为操作系统和网络硬件提供可靠且持久的接口，从而提高计算设备的可靠性和易于配置。本发明还可以通过支持802.1X和802.1Q网络标准来改善通信安全性。

16. 发明授权

US08572288B2 Single logical network interface for advanced load balancing and fail-over functionality 有权
标题翻译：单一逻辑网络接口，用于高级负载平衡和故障切换功能
公开(公告)号：US08572288B2
公开(公告)日：2013-10-29
申请号：US11303779
申请日：2005-12-15
申请人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
发明人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
IPC分类号： G06F15/16
CPC分类号： H04L47/10 , H04L47/125
摘要： The invention sets forth an approach for aggregating a plurality of NICs in a computing device into a single logical NIC as seen by that computing device's operating system. The combination of the single logical NIC and a network resource manager provides a reliable and persistent interface to the operating system and to the network hardware, thereby improving the reliability and ease-of-configuration of the computing device. The invention also may improve communications security by supporting the 802.1X and the 802.1Q networking standards.
摘要翻译：本发明提出了一种用于将计算设备中的多个NIC聚合成单个逻辑NIC的方法，如该计算设备的操作系统所示。单个逻辑NIC和网络资源管理器的组合为操作系统和网络硬件提供可靠且持久的接口，从而提高计算设备的可靠性和易于配置。本发明还可以通过支持802.1X和802.1Q网络标准来改善通信安全性。

17. 发明申请

US20080056120A1 Single logical network interface for advanced load balancing and fail-over functionality 失效
标题翻译：单一逻辑网络接口，用于高级负载平衡和故障切换功能
公开(公告)号：US20080056120A1
公开(公告)日：2008-03-06
申请号：US11303281
申请日：2005-12-15
申请人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
发明人： Ashutosh K. Jha , Ayaz Abdulla , Hemamalini Manickavasagam , Anand Rajagopalan , Paul J. Sidenblad
IPC分类号： H04J1/16 , H04L12/66
CPC分类号： H04L12/4641
摘要： The invention sets forth an approach for aggregating a plurality of NICs in a computing device into a single logical NIC as seen by that computing device's operating system. The combination of the single logical NIC and a network resource manager provides a reliable and persistent interface to the operating system and to the network hardware, thereby improving the reliability and ease-of-configuration of the computing device. The invention also may improve communications security by supporting the 802.1X and the 802.1Q networking standards.
摘要翻译：本发明提出了一种用于将计算设备中的多个NIC聚合成单个逻辑NIC的方法，如该计算设备的操作系统所示。单个逻辑NIC和网络资源管理器的组合为操作系统和网络硬件提供可靠且持久的接口，从而提高计算设备的可靠性和易于配置。本发明还可以通过支持802.1X和802.1Q网络标准来改善通信安全性。

18. 发明授权

US08432788B2 Intelligent failback in a load-balanced networking environment 有权
标题翻译：负载平衡网络环境中的智能故障恢复
公开(公告)号：US08432788B2
公开(公告)日：2013-04-30
申请号：US11750914
申请日：2007-05-18
申请人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
发明人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
IPC分类号： G01R31/08 , G06F11/00 , G08C15/00
CPC分类号： G06F11/2005
摘要： One embodiment of the present invention sets forth a method for failing back network connections to a network interface card (NIC) within a computing device. The method includes the steps of monitoring a failed or unreliable NIC within the computing device, determining that the failed or unreliable NIC has recovered, determining that a functional NIC within the computing device is overloaded, selecting a first connection set communicating through the overloaded NIC, and transferring the first connection set to the recovered NIC. With this approach, intelligent decisions can be advantageously made regarding whether to fail back a network connection set to a recovered NIC based on the traffic loads on the overloaded NIC and the recovered NIC. Such an approach to balancing network traffic across the functional NICs within a computing device may substantially improve overall performance relative to prior art techniques.
摘要翻译：本发明的一个实施例提出了一种用于使与网络接口卡（NIC）在计算设备内的网络连接失败的方法。该方法包括以下步骤：监视计算设备内的故障或不可靠的NIC，确定故障或不可靠的NIC已经恢复，确定计算设备内的功能NIC过载，选择通过过载的NIC通信的第一连接集，并将第一连接集传送到恢复的NIC。利用这种方法，可以有利地基于重载NIC和恢复的NIC上的流量负载来故障恢复到恢复的NIC的网络连接设置的智能决策。在计算设备内跨功能NIC平衡网络流量的这种方法可以相对于现有技术来显着提高整体性能。

19. 发明授权

US08300647B2 Intelligent load balancing and failover of network traffic 有权
标题翻译：网络流量的智能负载平衡和故障转移
公开(公告)号：US08300647B2
公开(公告)日：2012-10-30
申请号：US11750987
申请日：2007-05-18
申请人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
发明人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
IPC分类号： H04L12/28
CPC分类号： H04L45/00 , H04L29/12028 , H04L29/12443 , H04L43/0811 , H04L45/245 , H04L45/28 , H04L61/103 , H04L61/2542
摘要： A hash engine in a network device driver maintains data on the utilization and error rate for each network interface card (“NIC”) within a local computing device. From this data, the hash engine intelligently selects transmit NICs and receive NICs based on various networking parameters provided from a software driver program. Transmit packets sent from the operating system in a local computing device to a remote computing device are intercepted, modified and redirected to transmit NICs selected by the hash engine for transmission to remote computing devices. Similarly, address resolution protocol (“ARP”) response packets sent by the operating system in response to ARP request packets are intercepted, modified and redirected to receive NICs selected by the hash engine for transmission. By selecting receive NICs and transmit NICs in this fashion, the hash engine is able to intelligently load balance transmit and receive traffic in the local computing device, thereby improving overall network performance relative to prior art techniques.
摘要翻译：网络设备驱动程序中的散列引擎维护有关本地计算设备中每个网络接口卡（NIC）的利用率和错误率的数据。根据该数据，散列引擎基于从软件驱动程序提供的各种网络参数智能地选择发送NIC和接收NIC。将从本地计算设备中的操作系统发送的数据包发送到远程计算设备被拦截，修改和重定向，以发送由散列引擎选择的NIC以传输到远程计算设备。类似地，操作系统响应于ARP请求报文发送的地址解析协议（ARP）响应报文被截获，修改并重定向到接收由哈希引擎选择的NIC进行传输。通过以这种方式选择接收NIC并传输NIC，散列引擎能够智能地负载平衡本地计算设备中的传输和接收流量，从而相对于现有技术提高整体网络性能。

20. 发明授权

US07995465B2 Intelligent load balancing and failover of network traffic 有权
标题翻译：网络流量的智能负载平衡和故障转移
公开(公告)号：US07995465B2
公开(公告)日：2011-08-09
申请号：US11750919
申请日：2007-05-18
申请人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
发明人： Ayaz Abdulla , Norman K. Chen , Anand Rajagopalan , Ashutosh K. Jha , Hemamalini Manickavasagam , Sameer Nanda
IPC分类号： H04L12/56
CPC分类号： H04L1/22 , H04L47/125
摘要： A hash engine in a network device driver maintains data on the utilization and error rate for each network interface card (“NIC”) within a local computing device. From this data, the hash engine intelligently selects transmit NICs and receive NICs based on various networking parameters provided from a software driver program. Transmit packets sent from the operating system in a local computing device to a remote computing device are intercepted, modified and redirected to transmit NICs selected by the hash engine for transmission to remote computing devices. Similarly, address resolution protocol (“ARP”) response packets sent by the operating system in response to ARP request packets are intercepted, modified and redirected to receive NICs selected by the hash engine for transmission. By selecting receive NICs and transmit NICs in this fashion, the hash engine is able to intelligently load balance transmit and receive traffic in the local computing device, thereby improving overall network performance relative to prior art techniques.
摘要翻译：网络设备驱动程序中的散列引擎维护本地计算设备内每个网络接口卡（“NIC”）的利用率和错误率的数据。根据该数据，散列引擎基于从软件驱动程序提供的各种网络参数智能地选择发送NIC和接收NIC。将从本地计算设备中的操作系统发送的数据包发送到远程计算设备被拦截，修改和重定向，以发送由散列引擎选择的NIC以传输到远程计算设备。类似地，操作系统响应于ARP请求报文发送的地址解析协议（“ARP”）响应报文被截获，修改并重定向到接收由哈希引擎选择的NIC进行传输。通过以这种方式选择接收NIC并传输NIC，散列引擎能够智能地负载平衡本地计算设备中的传输和接收流量，从而相对于现有技术提高整体网络性能。

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