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1. 发明申请

US20060092935A1 Softrouter feature server 有权
标题翻译： Softrouter功能服务器
公开(公告)号：US20060092935A1
公开(公告)日：2006-05-04
申请号：US11147768
申请日：2005-06-08
申请人： Tirunell Lakshman , Krishan Sabnani , Thomas Woo
发明人： Tirunell Lakshman , Krishan Sabnani , Thomas Woo
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L45/00 , H04L49/602
摘要： A network architecture includes one or more feature servers and control servers in a control plane that is logically separate from a data plane that includes forwarding elements. Feature servers facilitate adding network-based functionality in a centralized way that is has better scalability than the traditional router architecture. Some examples of network-based functionality are voice over IP, enhancing QoS support, scaling BGP route reflectors, network-based VPN support, scaling mobile IP support, introducing IPv6 into existing and future networks, and enhancing end-to-end network security. Feature servers remove complexity from routers, allow functions to be implemented on a standard-off-the-shelf server platform, facilitate easy introduction of value-added functions, and scale well.
摘要翻译：网络架构包括控制平面中的一个或多个特征服务器和控制服务器，逻辑上与包括转发元件的数据平面分离。功能服务器便于以比传统路由器架构更好的可扩展性的集中方式添加基于网络的功能。基于网络的功能的一些示例是IP语音，增强QoS支持，扩展BGP路由反射器，基于网络的VPN支持，扩展移动IP支持，将IPv6 6引入现有和未来的网络，以及增强端到端网络安全。功能服务器消除了路由器的复杂性，允许在标准的现成服务器平台上实现功能，便于简单的引入增值功能，并扩展好。

2. 发明申请

US20060092974A1 Softrouter 有权
标题翻译：软路人
公开(公告)号：US20060092974A1
公开(公告)日：2006-05-04
申请号：US11147642
申请日：2005-06-08
申请人： Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Krishan Sabnani , Thomas Woo
发明人： Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Krishan Sabnani , Thomas Woo
IPC分类号： H04L12/28
CPC分类号： H04L45/28 , H04L45/04 , H04L45/22 , H04L45/60
摘要： The SoftRouter architecture separates the implementation of control plane functions from packet forwarding functions. In this architecture, all control plane functions are implemented on general purpose servers called the control elements (CEs) that may be multiple hops away from the forwarding elements (FEs). A network element (NE) or a router is formed using dynamic binding between the CEs and the FEs. The flexibility of the SoftRouter architecture over conventional routers with collocated and tightly integrated control and forwarding functions results in increased reliability, increased scalability, increased security, ease of adding new functionality, and decreased cost.
摘要翻译： SoftRouter架构将控制平面功能的实现与数据包转发功能分开。在这种架构中，所有控制平面功能都在通用服务器上实现，称为可能与转发元件（FE）之间多跳的控制元件（CE）。使用CE和FE之间的动态绑定形成网元（NE）或路由器。 SoftRouter架构与具有并置且紧密集成的控制和转发功能的传统路由器的灵活性相结合，可提高可靠性，增加可扩展性，增加安全性，增加新功能以及降低成本。

3. 发明申请

US20060092976A1 Softrouter separate control network 有权
公开(公告)号：US20060092976A1
公开(公告)日：2006-05-04
申请号：US11147937
申请日：2005-06-08
申请人： Tirunell Lakshman , Krishan Sabnani , Thomas Woo
发明人： Tirunell Lakshman , Krishan Sabnani , Thomas Woo
IPC分类号： H04L12/28
CPC分类号： H04L45/28 , H04L45/04 , H04L45/123 , H04L45/22 , H04L45/60
摘要： An embodiment of the exemplary SoftRouter architecture includes two physically separate networks, a control plane network and a data plane network. The data plane network is one physical network for the data traffic, while the control plane network is another physical network for the control traffic. The topology of the data plane network is made up of interconnected forwarding elements (FEs). The topology of the control plane network is made up interconnected control elements (CEs). This physical independence of the control plane network from the data plane network provides for a secure mechanism to communicate among the CEs in the control plane network. In addition, this physical independence provides improved reliability and improved scalability, when compared to the traditional router architecture, where control plane message are in-band with the data plane.

4. 发明申请

US20060092940A1 Softrouter protocol disaggregation 有权
公开(公告)号：US20060092940A1
公开(公告)日：2006-05-04
申请号：US11147472
申请日：2005-06-08
申请人： Furquan Ansari , Martin Havemann , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
发明人： Furquan Ansari , Martin Havemann , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
IPC分类号： H04L12/56
CPC分类号： H04L45/64 , H04L45/00 , H04L45/52 , H04L45/60
摘要： A SoftRouter architecture deconstructs routers by separating the control entities of a router from its forwarding components, enabling dynamic binding between them. In the SoftRouter architecture, control plane functions are aggregated and implemented on a few smart servers which control forwarding elements that are multiple network hops away. A dynamic binding protocol performs network-wide control plane failovers. Network stability is improved by aggregating and remotely hosting routing protocols, such as OSPF and BGP. This results in faster convergence, lower protocol messages processed, and fewer route changes following a failure. The SoftRouter architecture includes a few smart control entities that manage a large number of forwarding elements to provide greater support for network-wide control. In the SoftRouter architecture, routing protocols operate remotely at a control element and control one or more forwarding elements by downloading the forwarding tables, etc. into the forwarding elements. Intra-domain routing and inter-domain routing are also included.

5. 发明申请

US20060092975A1 SoftRouter protocol failovers 有权
公开(公告)号：US20060092975A1
公开(公告)日：2006-05-04
申请号：US11147665
申请日：2005-06-08
申请人： Furquan Ansari , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
发明人： Furquan Ansari , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
IPC分类号： H04L12/28 , H04J3/14 , H04J1/16 , H04L1/00 , H04L12/26 , H04L12/56 , H04J3/22 , H04J3/16
CPC分类号： H04L45/00 , H04L2012/5627
摘要： The SoftRouter architecture separates the implementation of control plane functions from packet forwarding functions. In this architecture, all control plane functions are implemented on general purpose servers called the control elements (CEs) that may be multiple hops away from the forwarding elements (FEs). A network element (NE) or a router is formed using dynamic binding between the CEs and the FEs. There is a protocol failover mechanism for handling failovers initiated by FEs to transfer control from one CE to another CE.

6. 发明申请

US20060092857A1 Softrouter dynamic binding protocol 有权
公开(公告)号：US20060092857A1
公开(公告)日：2006-05-04
申请号：US11147491
申请日：2005-06-08
申请人： Furquan Ansari , Martin Havemann , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
发明人： Furquan Ansari , Martin Havemann , Tirunell Lakshman , Thyagarajan Nandagopal , Ramachandran Ramjee , Thomas Woo
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/26 , H04L45/02 , H04L45/22 , H04L45/28 , H04L45/60
摘要： A dynamic binding protocol has three tasks that run in parallel: discovery, association, and operation. During discovery, control elements (CEs) and forwarding elements (FEs) learn about immediate neighbors and CEs in a SoftRouter network that has separate control and data planes. During association, FEs associate with CEs and are configured with basic parameters, such as IP interface addresses, hostnames, and the like. During operation, failover and packet tunneling between CEs and FEs is handled.

7. 发明申请

US20050259648A1 Routing for networks with content filtering 有权
标题翻译：具有内容过滤功能的网路路由
公开(公告)号：US20050259648A1
公开(公告)日：2005-11-24
申请号：US10851493
申请日：2004-05-21
申请人： Muralidharan Kodialam , Tirunell Lakshman , Sudipta Sengupta
发明人： Muralidharan Kodialam , Tirunell Lakshman , Sudipta Sengupta
IPC分类号： H04L12/56 , H04L29/06
CPC分类号： H04L45/125 , H04L45/02 , H04L45/306 , H04L63/0227 , H04L63/1441
摘要： A network of nodes interconnected by links has content filtering specified at certain nodes, and routing of packet connections through the network is generated based on the specified content-filtering nodes. The network is specified via a content-filtering node placement method and a network-capacity maximization method so as to apply content filtering to packets for substantially all traffic (packet streams) carried by the network.
摘要翻译：通过链路互连的节点网络具有在某些节点处指定的内容过滤，并且基于指定的内容过滤节点生成通过网络的分组连接的路由。通过内容过滤节点放置方法和网络容量最大化方法来指定网络，以对网络承载的基本上所有业务（分组流）的分组应用内容过滤。

8. 发明申请

US20050147031A1 Method for fast network re-optimization 有权
标题翻译：快速网络重新优化的方法
公开(公告)号：US20050147031A1
公开(公告)日：2005-07-07
申请号：US10753796
申请日：2004-01-07
申请人： Randeep Bhatia , Muralidharan Kodialam , Tirunell Lakshman
发明人： Randeep Bhatia , Muralidharan Kodialam , Tirunell Lakshman
IPC分类号： H04L1/00 , H04L12/56
CPC分类号： H04L47/822 , H04L1/0001 , H04L45/00 , H04L45/22 , H04L45/302 , H04L47/70 , H04L47/762
摘要： A fast and efficient method for network re-optimization is described. In one embodiment, the technique uses an algorithm that requires limited aggregate information to continually monitor the network for re-optimization opportunities. The re-optimization of the present invention enables a network to accommodate more traffic without adding capacity. The re-optimization of the present invention is performed only when network efficiency benefits above a predetermined threshold may be obtained. In addition, a least-cost set of sessions is determined to perform the re-routing of the present invention to attain the desired network efficiency.
摘要翻译：描述了一种快速有效的网络重新优化方法。在一个实施例中，该技术使用需要有限聚合信息的算法来连续监视网络以进行重新优化机会。本发明的重新优化使得网络能够容纳更多的流量而不增加容量。只有当网络效率有益于高于预定阈值时才执行本发明的重新优化。此外，确定了一个成本最低的会话集，以执行本发明的重新路由以达到期望的网络效率。

9. 发明申请

US20110035277A1 SYSTEM FOR SCHEDULING ADVERTISEMENTS AND METHOD THEREOF 审中-公开
标题翻译：调度广告系统及其方法
公开(公告)号：US20110035277A1
公开(公告)日：2011-02-10
申请号：US12536159
申请日：2009-08-05
申请人： Muralidharan Kodialam , Tirunell Lakshman , Sarit Mukherjee , Limin Wang
发明人： Muralidharan Kodialam , Tirunell Lakshman , Sarit Mukherjee , Limin Wang
IPC分类号： G06Q30/00
CPC分类号： G06Q30/02 , G06Q30/0247
摘要： The system for scheduling advertisements includes at least one ad bidder and an ad scheduler. The ad bidder is configured to receive bidding information for a plurality of ads from one or more advertisers. The bidding information for each ad includes at least one target profile information and a bid associated with the target profile information. The bid indicates expected revenue for showing the ad to a viewer having actual profile information corresponding to the target profile information associated with the bid. The ad scheduler is configured to schedule which of the plurality of ads is received by which of a plurality of viewers based on the actual profile information of the plurality of viewers and the bidding information such that an ad scheduled for one of the plurality of viewers is influenced by a correspondence of the scheduled ad to others of the plurality of viewers.
摘要翻译：用于调度广告的系统包括至少一个广告出价者和广告调度器。广告出价者被配置为从一个或多个广告商接收多个广告的投标信息。每个广告的投标信息包括至少一个目标简档信息和与目标简档信息相关联的出价。该出价表示预期的收入，用于向具有与出价相关联的目标简档信息相对应的实际简档信息的观众展示该广告。广告调度器被配置为基于多个观看者的实际简档信息以及投标信息来调度多个观看者中的哪一个接收多个广告中的哪一个，使得为多个观看者之一调度的广告是受到预定广告与多个观众中的其他人的通信的影响。

10. 发明申请

US20060221855A1 Method and system for real-time detection of hidden traffic patterns 有权
标题翻译：实时检测隐藏流量模式的方法和系统
公开(公告)号：US20060221855A1
公开(公告)日：2006-10-05
申请号：US11096220
申请日：2005-03-31
申请人： Fang Hao , Muralidharan Kodialam , Tirunell Lakshman
发明人： Fang Hao , Muralidharan Kodialam , Tirunell Lakshman
IPC分类号： G01R31/08 , H04L12/28
CPC分类号： H04L63/1408 , H04L43/024
摘要： A method for measuring flow is disclosed. The method includes receiving an IP packet; determining if another IP packet is stored in a register; if another IP packet is stored in the register, comparing the stored IP packet with the received IP packet; and determining the longest match between the stored IP packet and the received IP packet.
摘要翻译：公开了一种测量流量的方法。该方法包括：接收IP包; 确定另一个IP包是否存储在一个寄存器中; 如果另一IP分组存储在寄存器中，则将所存储的IP分组与接收的IP分组进行比较; 并确定所存储的IP分组与所接收的IP分组之间的最长匹配。

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