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1. 发明授权

US07478169B2 Accessing data processing systems behind a NAT enabled network 失效
标题翻译：访问启用NAT的网络后面的数据处理系统
公开(公告)号：US07478169B2
公开(公告)日：2009-01-13
申请号：US10687266
申请日：2003-10-16
申请人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
发明人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
IPC分类号： G06F15/16 , G06F9/00
CPC分类号： H04L29/12009 , H04L29/12066 , H04L29/1233 , H04L29/12509 , H04L61/1511 , H04L61/2567
摘要： A NAT data processing system is located behind a NAT enabled network with a NAT device as a gateway to the NAT enabled network. A client system located outside the NAT enabled network queries the NAT device for the address of the NAT data processing system located behind the NAT enabled network. The query is automatically routed through the NAT device to a DNS server. The DNS server returns an address for the NAT data processing system and source routing for the NAT device. The NAT device forwards the address and source routing to the client system. The client system sends packets to the NAT data processing system at the address with source routing through the NAT device, such that the NAT data processing system behind the NAT enabled network is directly accessed by the client system from outside the NAT enabled network.
摘要翻译： NAT数据处理系统位于启用NAT的网络后面，NAT设备作为启用NAT的网络的网关。位于NAT启用网络之外的客户端系统向NAT设备查询位于启用NAT的网络后面的NAT数据处理系统的地址。该查询通过NAT设备自动路由到DNS服务器。 DNS服务器返回NAT数据处理系统的地址和NAT设备的源路由。 NAT设备将地址和源路由转发到客户端系统。客户端系统通过NAT设备将数据包发送到具有源路由地址的NAT数据处理系统，使得NAT启用网络背后的NAT数据处理系统可以由NAT使能网络外部的客户端系统直接访问。

2. 发明授权

US07394769B2 Method, system and article for rapid detection and avoidance of high data corrupting routes within a network 有权
标题翻译：用于快速检测和避免网络内高数据损坏路由的方法，系统和文章
公开(公告)号：US07394769B2
公开(公告)日：2008-07-01
申请号：US10640819
申请日：2003-08-14
申请人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： H04J1/16
CPC分类号： H04L1/0061 , H04L1/0072 , H04L1/08 , H04L1/16 , H04L1/1809 , H04L45/00 , H04L45/22 , H04L45/28 , H04L69/16 , H04L69/161 , H04L69/163 , H04L69/22 , H04L69/40
摘要： A receiving host in a TCP/IP network sends an acknowledgment indicating a received data packet is corrupt. The sending host will begin transmitting with a new field set in the IP header called a check-TCP-checksum bit, thereby requesting that all routers in the TCP/IP network perform a checksum on the entire received packet. Routers in the TCP/IP network will perform a complete checksum on an entire packet with the check-TCP-checksum bit set, and not just on the IP header. The routers continuously monitor the ratio of corrupt packets received on a particular port that fail the entire packet checksum to the total number of packets received on that port. If the ratio of corrupt-to-received packets exceeds a corruption threshold, the router assumes that the associated link is causing data corruption and issues a routing update indicating that the link is bad and should be avoided. Once the retransmission rate between the sender and receiver drops below a threshold level, the bad link has been detected and avoided within the TCP/IP network and the check-TCP-checksum option in the IP header is no longer set in data packets transmitted to the receiver host.
摘要翻译： TCP / IP网络中的接收主机发送指示接收到的数据包已损坏的确认。发送主机将开始使用称为检查TCP校验和位的IP报头中设置的新字段进行发送，从而请求TCP / IP网络中的所有路由器对整个接收到的数据包执行校验和。 TCP / IP网络中的路由器将对整个数据包执行完整的校验和，同时检查TCP-checksum位，而不仅仅是在IP报头上。路由器连续监视在特定端口上接收的损坏数据包的总数与在该端口上接收的数据包的总数之间的比例。如果损坏的数据包的比例超过了破坏阈值，则路由器假设相关联的链路导致数据损坏，并发出路由更新，指示链路不良，应该避免。一旦发送方和接收方之间的重传速率下降到阈值以下，就会在TCP / IP网络内检测并避免不良链路，并且IP报头中的check-TCP-checksum选项不再被设置在发送到接收主机。

3. 发明申请

US20080172396A1 Retrieving Dated Content From A Website 审中-公开
标题翻译：从网站检索日期内容
公开(公告)号：US20080172396A1
公开(公告)日：2008-07-17
申请号：US12055156
申请日：2008-03-25
申请人： Dwip N. Banerjee , Lilian Sylvia Fernandes , Vinit Jain , Vasu Vallabhaneni
发明人： Dwip N. Banerjee , Lilian Sylvia Fernandes , Vinit Jain , Vasu Vallabhaneni
IPC分类号： G06F17/30
CPC分类号： G06F16/9562 , G06F16/9566
摘要： Retrieving dated content from a website including receiving a URL for dated content with a date field; inserting the current date in the date field; and retrieving the dated content with the URL bearing the current date in its date field. In some embodiments, date field bears an encoded date and inserting the current date in the date field includes replacing the encoded date with the current date. Typical embodiments also include bookmarking the URL, including replacing an encoded date in the date field with a date tag. Some embodiments include prompting the user for a date format. In many embodiments, the date tag includes a default date format. Some embodiments include configuring the browser with a default date format.
摘要翻译：从网站检索日期的内容，包括收到日期字段的日期内容的URL; 在日期字段中插入当前日期; 并在其日期字段中使用带有当前日期的URL检索日期的内容。在一些实施例中，日期字段具有编码日期，并且将日期字段中的当前日期插入包括用当前日期代替编码日期。典型的实施例还包括将URL书签，包括用日期标签替换日期字段中的编码日期。一些实施例包括提示用户日期格式。在许多实施例中，日期标签包括默认日期格式。一些实施例包括使用默认日期格式配置浏览器。

4. 发明授权

US07792995B2 Accessing data processing systems behind a NAT enabled network 失效
标题翻译：访问启用NAT的网络后面的数据处理系统
公开(公告)号：US07792995B2
公开(公告)日：2010-09-07
申请号：US12236387
申请日：2008-09-23
申请人： Dwip N Banerjee , Vinit Jain , Vasu Vallabhaneni
发明人： Dwip N Banerjee , Vinit Jain , Vasu Vallabhaneni
IPC分类号： G06F15/16 , G06F9/00
CPC分类号： H04L29/12009 , H04L29/12066 , H04L29/1233 , H04L29/12509 , H04L61/1511 , H04L61/2567
摘要： A NAT data processing system is located behind a NAT enabled network with a NAT device as a gateway to the NAT enabled network. A client system located outside the NAT enabled network queries the NAT device for the address of the NAT data processing system located behind the NAT enabled network. The query is automatically routed through the NAT device to a DNS server. The DNS server then returns an address for the NAT data processing system and source routing for the NAT device. The NAT device forwards the address and source routing to the client system. Then, the client system sends packets to the NAT data processing system at the address with source routing through the NAT device, such that the NAT data processing system behind the NAT enabled network is directly accessed by the client system from outside the NAT enabled network.
摘要翻译： NAT数据处理系统位于启用NAT的网络后面，NAT设备作为启用NAT的网络的网关。位于NAT启用网络之外的客户端系统向NAT设备查询位于启用NAT的网络后面的NAT数据处理系统的地址。该查询通过NAT设备自动路由到DNS服务器。然后，DNS服务器返回NAT数据处理系统的地址和NAT设备的源路由。 NAT设备将地址和源路由转发到客户端系统。然后，客户端系统通过NAT设备将数据包发送到具有源路由的地址的NAT数据处理系统，使NAT启用网络背后的NAT数据处理系统由NAT使能网络外部由客户端系统直接访问。

5. 发明授权

US07526556B2 Method and apparatus for managing keepalive transmissions 有权
标题翻译：用于管理保持性传输的方法和装置
公开(公告)号：US07526556B2
公开(公告)日：2009-04-28
申请号：US10607460
申请日：2003-06-26
申请人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L69/16 , H04L69/14 , H04L69/163
摘要： A method, apparatus, and computer instructions for managing keepalive transmissions. A keepalive packet is received from a remote data processing over a particular connection within a set of connections to the remote data processing system. Timers for each of the set of connections are reset in response to receiving a response to a keepalive packet from the remote data processing system such that only a single keepalive packet is required to maintain all of the plurality of connections with the remote data processing system. In this manner, the number of requests and responses with respect to whether a connection is active is minimized, reducing congestion in a network data processing system.
摘要翻译：一种用于管理保持性传输的方法，装置和计算机指令。从与远程数据处理系统的一组连接中的特定连接的远程数据处理接收到keepalive分组。响应于从远程数据处理系统接收到对keepalive分组的响应，针对每组连接的定时器被重置，使得仅需要一个保持活动分组来保持与远程数据处理系统的所有多个连接。以这种方式，最小化关于连接是否活动的请求和响应的数量，从而减少网络数据处理系统中的拥塞。

6. 发明授权

US07009938B2 Reduction of server overload 失效
公开(公告)号：US07009938B2
公开(公告)日：2006-03-07
申请号：US09892963
申请日：2001-06-27
申请人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
发明人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
IPC分类号： H04J1/16 , H04J3/14
CPC分类号： H04L47/10 , H04L45/00 , H04L47/266 , H04L47/29 , H04L63/1458 , H04L67/42
摘要： A system and method for preventing at least in part a server overload. A server may send a request to one or more routers located on the server side of a network system to block, i.e., filter, packets of data that may exceed the capacity of the server to service. The one or more routers located on the server side may block, i.e., filter, those packets of data as well as propagate the request to block those packets of data to one or more neighboring routers which may be located on the client side of the network system. The one or more neighboring routers may then block those packets of data that may exceed the capacity of the server to service and/or propagate the request to block those packets of data to their one or more neighboring routers.

7. 发明授权

US06728718B2 Method and system for recovering DHCP data 有权
标题翻译： DHCP数据恢复方法和系统
公开(公告)号：US06728718B2
公开(公告)日：2004-04-27
申请号：US09891335
申请日：2001-06-26
申请人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
发明人： Dwip N. Banerjee , Vinit Jain , Vasu Vallabhaneni
IPC分类号： G06F1730
CPC分类号： H04L29/12 , H04L29/12207 , H04L61/20
摘要： A system in which a DHCP server executes a recovery routine after detecting a corrupted IP address state database. The routine determines whether an IP address is assigned to a DHCP client by querying an IP address/port reserved for DHCP clients. If the response suggests the absence of a DHCP client, the address is marked as BAD. If the response suggests the presence of a DHCP client, the IP database is updated appropriately. The query may comprise sending a TCP/IP packet to the IP address and port and monitoring for an ICMP error message. In another embodiment requiring a protocol extension, the DHCP server issues a DHCP supported query to each IP address that responds to a ping command. The DHCP clients supporting this protocol extension will respond to the query by returning all of the DHCP configuration information that was acquired before the IP address state database crashed.
摘要翻译：检测到损坏的IP地址状态数据库后，DHCP服务器执行恢复例程的系统。该例程通过查询为DHCP客户端保留的IP地址/端口来确定IP地址是否分配给DHCP客户端。如果响应表明没有DHCP客户端，则该地址被标记为BAD。如果响应表明存在DHCP客户端，则IP数据库将被适当更新。该查询可以包括向IP地址和端口发送TCP / IP分组并监视ICMP错误消息。在需要协议扩展的另一实施例中，DHCP服务器向响应于ping命令的每个IP地址发出DHCP支持的查询。支持此协议扩展的DHCP客户端将通过返回在IP地址状态数据库崩溃之前获取的所有DHCP配置信息来响应查询。

8. 发明授权

US07571247B2 Efficient send socket call handling by a transport layer 失效
标题翻译：传输层有效发送socket呼叫处理
公开(公告)号：US07571247B2
公开(公告)日：2009-08-04
申请号：US11301106
申请日：2005-12-12
申请人： Dwip N. Banerjee , Vinit Jain , Kavitha Ramalingam , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Vinit Jain , Kavitha Ramalingam , Venkat Venkatsubra
IPC分类号： G06F15/16
CPC分类号： H04L47/10 , H04L47/266 , H04L47/30 , H04L49/90 , H04L49/901
摘要： A method, system, and program provide for efficient send socket call handling by a transport layer. A transport layer of a network protocol stack receives a send socket call for data of a specified length from an application layer. Responsive to detecting that there is insufficient memory for a single memory allocation to a buffer in the transport layer for at least the specified length, the transport layer blocks the send socket call. The transport layer only wakes the send socket call upon detection of sufficient memory for the single memory allocation within the buffer of the transport layer for at least the specified length, wherein waking the send socket call triggers a kernel to perform the single memory allocation in the buffer and to write the data to the single memory allocation in a single pass.
摘要翻译：方法，系统和程序提供传输层有效的发送套接字呼叫处理。网络协议栈的传输层从应用层接收指定长度的数据的发送套接字调用。响应于检测到对于至少指定长度的传输层中的缓冲器的单个存储器分配没有足够的存储器，传输层阻止发送套接字调用。检测到传输层缓冲区内单个内存分配的足够内存至少达到指定长度时，传输层只会唤醒发送套接字调用，其中唤醒发送套接字调用会触发内核执行单个内存分配缓冲区，并将数据写入单次存储器分配。

9. 发明授权

US07454456B2 Apparatus and method of improving network performance using virtual interfaces 失效
标题翻译：使用虚拟接口提高网络性能的装置和方法
公开(公告)号：US07454456B2
公开(公告)日：2008-11-18
申请号：US10076357
申请日：2002-02-14
申请人： Dwip N. Banerjee , Herman Dietrich Dierks, Jr. , Vinit Jain
发明人： Dwip N. Banerjee , Herman Dietrich Dierks, Jr. , Vinit Jain
IPC分类号： G06F15/16
CPC分类号： H04L61/35 , H04L29/12009 , H04L29/12783
摘要： A method, system and apparatus for improving network performance of a multiprocessor system that has a limited number of physical network interfaces by using virtual IP addresses are provided. When a processor of the multiprocessor system determines that it is processing network data, it uses a virtual IP address to transmit the data. The virtual IP address is associated with a buffer; and thus the data is sent to the buffer. This allows the processor to be free to process other data, network or otherwise. The buffer, with the help of a controller, then contends for the use of one of the limited physical network interfaces to transmit the data.
摘要翻译：提供了一种用于通过使用虚拟IP地址来提供具有有限数量的物理网络接口的多处理器系统的网络性能的方法，系统和装置。当多处理器系统的处理器确定它正在处理网络数据时，它使用虚拟IP地址来传输数据。虚拟IP地址与缓冲区相关联; 因此数据被发送到缓冲器。这允许处理器可以自由处理其他数据，网络或其他数据。缓冲区在控制器的帮助下，然后争论使用有限的物理网络接口之一传输数据。

10. 发明授权

US06950873B2 Apparatus and method for port sharing a plurality of server processes 失效
标题翻译：用于端口共享多个服务器进程的装置和方法
公开(公告)号：US06950873B2
公开(公告)日：2005-09-27
申请号：US09920457
申请日：2001-08-02
申请人： Vinit Jain , Dwip N. Banerjee
发明人： Vinit Jain , Dwip N. Banerjee
IPC分类号： G06F9/46 , G06F9/50 , G06F15/17
CPC分类号： G06F9/546 , H04L69/32
摘要： An apparatus and method for port sharing among a plurality of server processes are provided. The apparatus and method provide an intermediate layer between the communication port and the server processes. This intermediate layer provides a port mapping such that data messages received via a shared communication port are mapped to separate ports based on the domain of the data message. Each server process is configured to listen to a different virtual communication port. The mapping of the present invention maps data messages received in the shared communication port to one of these virtual communication ports based on the domain to which the data message belongs. This mapping is also performed with outgoing messages from the server as well.
摘要翻译：提供了一种用于在多个服务器进程之间进行端口共享的装置和方法。该装置和方法在通信端口和服务器进程之间提供中间层。该中间层提供端口映射，使得经由共享通信端口接收的数据消息基于数据消息的域被映射到单独的端口。每个服务器进程都配置为侦听不同的虚拟通信端口。本发明的映射基于数据消息所属的域将在共享通信端口中接收的数据消息映射到这些虚拟通信端口之一。也可以从服务器的传出消息执行此映射。

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