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51. 发明授权

US07886149B2 Method and apparatus for assigning network addresses based on connection authentication 有权
标题翻译：基于连接认证分配网络地址的方法和装置
公开(公告)号：US07886149B2
公开(公告)日：2011-02-08
申请号：US12362857
申请日：2009-01-30
申请人： John M. Schnizlein , Ralph Droms
发明人： John M. Schnizlein , Ralph Droms
IPC分类号： H04L9/32 , H04L29/06 , G06F17/00 , G06F15/16 , G06F15/177 , G06F15/173
CPC分类号： H04L63/083 , H04L61/2015 , H04L63/0892 , H04L63/101
摘要： Techniques for assigning a network address to a host are based on authentication for a physical connection between the host and an intermediate device. One approach involves receiving first data at the intermediate device from an authentication and authorization server in response to a request for authentication for the physical connection. The first data indicates at least some of authentication and authorization information. A configuration request message from the host is also received at the intermediate device. The configuration request message is for discovering a logical network address for the host. A second message is generated based on the configuration request message and the first data. The second message is sent to a configuration server that provides the logical network address for the host. The configuration server is then able to provide the logical network address based on authorization and authentication information.
摘要翻译：将网络地址分配给主机的技术基于主机和中间设备之间的物理连接的认证。一种方法是响应于物理连接的认证请求，从认证和授权服务器在中间设备接收第一数据。第一数据表示至少一些认证和授权信息。来自主机的配置请求消息也在中间设备处被接收。配置请求消息用于发现主机的逻辑网络地址。基于配置请求消息和第一数据生成第二消息。第二个消息被发送到为主机提供逻辑网络地址的配置服务器。配置服务器能够根据授权和认证信息提供逻辑网络地址。

52. 发明申请

US20100287266A1 AUTOMATED NETWORK DEVICE PROVISIONING USING DYNAMIC HOST CONFIGURATION PROTOCOL 有权
标题翻译：使用动态主机配置协议的自动网络设备提供
公开(公告)号：US20100287266A1
公开(公告)日：2010-11-11
申请号：US12437404
申请日：2009-05-07
申请人： Rajiv Asati , Ralph Droms , Vijay Bollapragada
发明人： Rajiv Asati , Ralph Droms , Vijay Bollapragada
IPC分类号： G06F15/177
CPC分类号： H04L41/0823 , H04L12/4641 , H04L41/0806 , H04L41/0816 , H04L41/0886 , H04L45/04 , H04L61/2015
摘要： In an embodiment, an electronic digital data packet router performs receiving a DHCP initiation message on a particular interface among a plurality of network interfaces,; modifying the DHCP initiation message by adding a particular DHCP option that signals a DHCP server to provide router configuration data, resulting in a modified DHCP initiation message; relaying the modified DHCP initiation message to the DHCP server; receiving, from the DHCP server, a DHCPOFFER message that comprises the particular DHCP option containing configuration data; configuring the router using the configuration data; relaying the DHCPOFFER message without the particular DHCP option on the particular interface toward another data packet router.
摘要翻译：在一个实施例中，电子数字数据包路由器在多个网络接口之间的特定接口上执行DHCP发起消息; 通过添加特定的DHCP选项来修改DHCP启动消息，该选项指示DHCP服务器提供路由器配置数据，导致修改的DHCP启动消息; 将修改的DHCP启动消息中继到DHCP服务器; 从DHCP服务器接收包含包含配置数据的特定DHCP选项的DHCPOFFER消息; 使用配置数据配置路由器; 将特定接口上没有特定DHCP选项的DHCPOFFER消息中继到另一个数据包路由器。

53. 发明授权

US07624181B2 Techniques for authenticating a subscriber for an access network using DHCP 有权
标题翻译：使用DHCP验证访问网络的用户的技术
公开(公告)号：US07624181B2
公开(公告)日：2009-11-24
申请号：US11362296
申请日：2006-02-24
申请人： William Mark Townsley , Ralph Droms , Wojciech Dec
发明人： William Mark Townsley , Ralph Droms , Wojciech Dec
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L61/2015 , H04L9/321 , H04L9/3226 , H04L9/3271 , H04L63/083 , H04L63/0892 , H04L63/162 , H04L2209/56
摘要： Techniques for authenticating a user for access to an IP network include receiving from the user's host a DHCP request which includes user identifier data. A random challenge value is determined and sent to the user's host in a DHCP message format. A response message that includes a response value is received from the user's host in DHCP format. A verification value is determined based on a password value associated with the user identifier value in an AAA server and the current challenge value using a secure process that renders impractical an attempt to derive the password. If it is determined that the response value does not match the verification value, then a DHCP offer is prevented from being sent to the user's host in response to the DHCP request. Thus, a user is authenticated using DHCP instead of PPP.
摘要翻译：用于验证用户访问IP网络的技术包括从用户的主机接收包括用户标识符数据的DHCP请求。确定随机挑战值，并以DHCP消息格式发送给用户的主机。包含响应值的响应消息以DHCP格式从用户主机接收。基于与AAA服务器中的用户标识符值相关联的密码值和使用不切实际的尝试导出密码的安全过程来确定当前挑战值的验证值。如果确定响应值与验证值不匹配，则可以防止响应于DHCP请求向DHCP用户的主机发送DHCP报文。因此，使用DHCP而不是PPP进行身份验证。

54. 发明授权

US07586912B2 Techniques for exchanging DHCP information among DHCP relay agents and DHCP servers 有权
标题翻译：在DHCP中继和DHCP服务器之间交换DHCP信息的技术
公开(公告)号：US07586912B2
公开(公告)日：2009-09-08
申请号：US11495273
申请日：2006-07-28
申请人： Anand Agarwal , Krishna Sundaresan , Anshul Tanwar , Indrajanti Sukiman , Ralph Droms , Richard Johnson
发明人： Anand Agarwal , Krishna Sundaresan , Anshul Tanwar , Indrajanti Sukiman , Ralph Droms , Richard Johnson
IPC分类号： H04L12/56
CPC分类号： H04L61/2015 , H04L29/1282 , H04L45/00 , H04L61/6013
摘要： A technique involves exchanging DHCP relay agent information with a DHCP server. In particular, the technique involves receiving a DHCP message en route from a DHCP client to the DHCP server. The DHCP message includes (i) a non-option portion having a client identifier identifying the DHCP client and (ii) an option portion having first relay agent information added to the DHCP message by a first relay agent. The technique further involves modifying the option portion of the DHCP message to simultaneously include both the first relay agent information added by the first relay agent and second relay agent information from a second relay agent. The technique further involves sending the DHCP message with the modified option portion to the DHCP server. Accordingly, the DHCP server is capable of receiving relay agent information from multiple relay agents and assigning an address to the DHCP client based on this input.
摘要翻译：一种技术包括与DHCP服务器交换DHCP中继代理信息。特别地，该技术涉及从DHCP客户端到DHCP服务器的路由接收DHCP消息。 DHCP消息包括（i）具有标识DHCP客户端的客户端标识符的非选项部分和（ii）具有由第一中继代理添加到DHCP消息的第一中继代理信息的选项部分。该技术还涉及修改DHCP消息的选项部分，以同时包括由第一中继代理添加的第一中继代理信息和来自第二中继代理的第二中继代理信息。该技术还涉及将具有修改的选项部分的DHCP消息发送到DHCP服务器。因此，DHCP服务器能够从多个中继代理接收中继代理信息，并根据该输入向DHCP客户端分配地址。

55. 发明申请

US20080025299A1 Techniques for exchanging DHCP information among DHCP relay agents and DHCP servers 有权
标题翻译：在DHCP中继和DHCP服务器之间交换DHCP信息的技术
公开(公告)号：US20080025299A1
公开(公告)日：2008-01-31
申请号：US11495273
申请日：2006-07-28
申请人： Anand Agarwal , Krishna Sundaresan , Anshul Tanwar , Indrajanti Sukiman , Ralph Droms , Richard Johnson
发明人： Anand Agarwal , Krishna Sundaresan , Anshul Tanwar , Indrajanti Sukiman , Ralph Droms , Richard Johnson
IPC分类号： H04L12/56
CPC分类号： H04L61/2015 , H04L29/1282 , H04L45/00 , H04L61/6013
摘要： A technique involves exchanging DHCP relay agent information with a DHCP server. In particular, the technique involves receiving a DHCP message en route from a DHCP client to the DHCP server. The DHCP message includes (i) a non-option portion having a client identifier identifying the DHCP client and (ii) an option portion having first relay agent information added to the DHCP message by a first relay agent. The technique further involves modifying the option portion of the DHCP message to simultaneously include both the first relay agent information added by the first relay agent and second relay agent information from a second relay agent. The technique further involves sending the DHCP message with the modified option portion to the DHCP server. Accordingly, the DHCP server is capable of receiving relay agent information from multiple relay agents and assigning an address to the DHCP client based on this input.
摘要翻译：一种技术包括与DHCP服务器交换DHCP中继代理信息。特别地，该技术涉及从DHCP客户端到DHCP服务器的路由接收DHCP消息。 DHCP消息包括（i）具有标识DHCP客户端的客户端标识符的非选项部分和（ii）具有由第一中继代理添加到DHCP消息的第一中继代理信息的选项部分。该技术还涉及修改DHCP消息的选项部分，以同时包括由第一中继代理添加的第一中继代理信息和来自第二中继代理的第二中继代理信息。该技术还涉及将具有修改的选项部分的DHCP消息发送到DHCP服务器。因此，DHCP服务器能够从多个中继代理接收中继代理信息，并根据该输入向DHCP客户端分配地址。

56. 发明申请

US20070162607A1 Insertion of protocol messages through a shim 有权
标题翻译：通过垫片插入协议消息
公开(公告)号：US20070162607A1
公开(公告)日：2007-07-12
申请号：US11331368
申请日：2006-01-11
申请人： Ralph Droms , Joshua Littlefield , Brian Shorey
发明人： Ralph Droms , Joshua Littlefield , Brian Shorey
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L29/12273 , H04L61/2015 , H04L61/2053 , H04L63/08 , H04L67/14 , H04L67/143
摘要： A technique for automatically terminating a session between a client and server in a communication network where the client fails to explicitly terminate the session. A client associated with the session is monitored to determine if a condition exists that warrants terminating the session between the client and the server. If a condition exists that warrants terminating the session, a check is performed to determine if the client has notified the server that the session is to be terminated. If not, the server is automatically notified that the session is to be terminated.
摘要翻译：一种用于自动终止客户机和服务器之间的通信网络中客户端无法显式终止会话的会话的技术。监视与会话关联的客户端，以确定是否存在有权终止客户端和服务器之间会话的条件。如果存在保证终止会话的条件，则执行检查以确定客户端是否已经通知服务器该会话将被终止。如果没有，则自动通知服务器该会话将被终止。

57. 发明申请

US20070061484A1 Methods and apparatus for processing a DHCP request using rule-based classification 有权
标题翻译：使用基于规则的分类来处理DHCP请求的方法和装置
公开(公告)号：US20070061484A1
公开(公告)日：2007-03-15
申请号：US11218128
申请日：2005-09-01
申请人： Ralph Droms , Richard Johnson , Matthew King , Richard Pruss
发明人： Ralph Droms , Richard Johnson , Matthew King , Richard Pruss
IPC分类号： G06F15/16
CPC分类号： H04L61/2015
摘要： An improved technique for processing a DHCP request from a DHCP client device is performed in a data communications device of a network (e.g., performed in a router). The technique involves receiving the DHCP request from the DHCP client device, evaluating a set of rules in response to the DHCP request to obtain a rule-based classification result, and outputting a DHCP response in response to the rule-based classification result. In some arrangements, a policy manager which is external to the data communications device plays a role in the classification process (e.g., dynamic updating of the set of rules, responding to individual queries from the data communications device when generating the rule-based classification result, etc.). Such improvements over conventional DHCP approaches enables improved flexibility and coordination of the DHCP process.
摘要翻译：在网络的数据通信设备（例如，在路由器中执行）中执行用于处理来自DHCP客户端设备的DHCP请求的改进技术。该技术涉及从DHCP客户端设备接收DHCP请求，响应于DHCP请求，对基于规则的分类结果进行评估的一组规则，并响应于基于规则的分类结果输出DHCP响应。在一些布置中，在数据通信设备外部的策略管理器在分类过程中起作用（例如，在生成基于规则的分类结果时响应来自数据通信设备的各个查询的规则集的动态更新等）。与传统的DHCP方法相比，这种改进能够提高DHCP进程的灵活性和协调性。

58. 发明授权

US07143435B1 Method and apparatus for registering auto-configured network addresses based on connection authentication 有权
标题翻译：基于连接认证注册自动配置的网络地址的方法和装置
公开(公告)号：US07143435B1
公开(公告)日：2006-11-28
申请号：US10210513
申请日：2002-07-31
申请人： Ralph Droms , John M. Schnizlein
发明人： Ralph Droms , John M. Schnizlein
IPC分类号： G06F15/16
CPC分类号： H04L63/08 , H04L29/1232 , H04L29/1282 , H04L61/2015 , H04L61/2092 , H04L61/6013
摘要： A method and apparatus for registering auto-configured network addresses includes receiving first data at a networking device connected to a host at a physical connection. The first data is received from a first server and indicates authentication information associated with the host. A first message is received at the networking device from the host. The first message requests configuration information and includes a logical network address for the host determined at least in part by the host. A second message is generated based on the first message and the first data. The second message is sent to a second server that registers the host by associating the logical network address with the first data.
摘要翻译：用于注册自动配置的网络地址的方法和装置包括在物理连接处连接到主机的网络设备处接收第一数据。从第一服务器接收第一数据，并指示与主机相关联的认证信息。从主机在网络设备处接收到第一条消息。第一消息请求配置信息，并且包括至少部分由主机确定的主机的逻辑网络地址。基于第一消息和第一数据生成第二消息。第二个消息被发送到通过将逻辑网络地址与第一数据相关联来登记主机的第二服务器。

59. 发明申请

US20060159100A1 Use of IPv6 in access networks 有权
公开(公告)号：US20060159100A1
公开(公告)日：2006-07-20
申请号：US11302966
申请日：2005-12-13
申请人： Ralph Droms , Madhu Sudan , Sanjeev Desai , John Chapman , Raman Krishnan
发明人： Ralph Droms , Madhu Sudan , Sanjeev Desai , John Chapman , Raman Krishnan
IPC分类号： H04J3/16 , H04J3/22 , H04L12/28 , H04L12/56
CPC分类号： H04L12/2856 , H04L12/2801 , H04L12/2874 , H04L29/12933 , H04L61/2015 , H04L61/6068 , H04L69/16 , H04L69/167
摘要： An embodiment method may comprise establishing a link layer connection to an access server, obtaining a management address, wherein the management address is at least one of an IPv6 and an IPv4 address, obtaining a TFTP server address, wherein the server address is either IPv6 or IPv4, downloading a configuration file from the TFTP server, and registering with the access server as IPv6 capable. Another embodiment may be a cable modem termination system (CMTS) comprising a port to receive downstream internet protocol (IP) traffic, a processor in communication with the port, the processor to classify downstream traffic based on fields in IP version 6 (IPv6) headers; and a radio frequency port in communication with the processor, the radio frequency port to send downstream traffic from the CMTS, wherein the processor uses a flow label as the downstream classifier so IP addresses can remain encrypted in the downstream traffic. Another embodiment method may comprise receiving a ranging request from a cable modem, assigning the cable modem a service identifier, matching the service identifier with a link layer address of the cable modem, receiving a router advertisement and comparing the source link layer address from the router advertisement to the link layer address of the cable modem, and determining that the router advertisement was sent from the cable modem if the link layer address of the cable modem is the same as the source link layer address. And yet another embodiment may be a system comprising a first local network, a second local network coupled with the first local network, the second local network comprising a home agent, and a wireless device with IP connectivity to the home agent, the wireless device able to move from the first local network to the second local network and maintain IP connectivity with the home agent. Another example embodiment may be an apparatus comprising a port to communicate over a link layer connection to an access server, and a processor coupled with the port, the processor to communicate through the port with the access server and obtain at least one of an IPv6 or IPv4 management address, the processor further to obtain at least one of an IPv6 or IPv4 TFTP server address from the access server, and the processor to download a configuration file through the port from the TFTP server and register through the port with the access server as IPv6 capable. An embodiment may be a cable modem termination system (CMTS) comprising a port to receive configuration information from a cable modem, a memory in communication with the port, the memory to store the cable modem configuration information, and a processor in communication with the port and the memory, the processor to access the configuration information, determine at least one cable modem setting, and output the at least one cable modem setting.

60. 发明申请

US20050252970A1 Methods and devices for uniquely provisioning RFID devices 有权
标题翻译：用于唯一配置RFID设备的方法和设备
公开(公告)号：US20050252970A1
公开(公告)日：2005-11-17
申请号：US10866506
申请日：2004-06-09
申请人： Arthur Howarth , Ralph Droms , Roland Saville , Lawrence Kreeger , Christopher Wiborg , Vikas Butaney , Rajiv Singhal
发明人： Arthur Howarth , Ralph Droms , Roland Saville , Lawrence Kreeger , Christopher Wiborg , Vikas Butaney , Rajiv Singhal
IPC分类号： G06K7/08 , G06K17/00 , H04L12/24 , H04L12/56 , H04L29/12
CPC分类号： G06K17/0022 , G06K2017/0045 , H04L29/12226 , H04L29/12839 , H04L41/0806 , H04L61/2015 , H04L61/6022 , H04W8/26 , H04W80/00 , H04W88/02
摘要： Methods and devices are provided for identifying and provisioning individual RFID devices in a network. According to some implementations of the invention, a combination of EPC code information and existing networking standards form the basis of identifying and provisioning methods. For example, MAC address information and EPC information can be combined to identify a particular device and its location in a network. For implementations using the Dynamic Host Configuration Protocol (“DHCP”), DHCP Options may be used to pass provisioning information. Some implementations employ Domain Name Service (“DNS”) and dynamic DNS (“DDNS”) to allow easy identification of RFID devices.
摘要翻译：提供了用于识别和提供网络中的各个RFID设备的方法和设备。根据本发明的一些实现方式，EPC代码信息和现有网络标准的组合构成了识别和提供方法的基础。例如，可以组合MAC地址信息和EPC信息以识别特定设备及其在网络中的位置。对于使用动态主机配置协议（“DHCP”）的实现，可以使用DHCP选项来传递配置信息。一些实现使用域名服务（“DNS”）和动态DNS（“DDNS”）来容易识别RFID设备。

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