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1. 发明授权

US08661118B2 Detection of end-to-end transport quality 有权
标题翻译：检测端到端传输质量
公开(公告)号：US08661118B2
公开(公告)日：2014-02-25
申请号：US12719669
申请日：2010-03-08
申请人： Graham Edward Fagg , Rajneesh Mahajan , Moshe Zilberstein , Guatam Swaminathan , Costin Hagiu
发明人： Graham Edward Fagg , Rajneesh Mahajan , Moshe Zilberstein , Guatam Swaminathan , Costin Hagiu
IPC分类号： G06F15/173
CPC分类号： H04L43/50 , G06F15/16 , H04L41/083 , H04L43/08 , H04L43/0811 , H04L67/1004 , H04L67/40
摘要： In various embodiments, methods and systems are disclosed for the real time detection of network conditions in conjunction with a remote presentation protocol. The link quality may represent the quality of the end-to-end connection between client and server with upper and lower bounds on the injection of additional traffic used for measurement. In some embodiments, the measurement technique may be selected based on the type of measurement that is desired. Accuracy may be maintained by selecting the type of measurement used based on current and previous network conditions. In one embodiment, a state model is used to determine the frequency of measurement and to determine when the measurements have produced a stable estimate of the link quality.
摘要翻译：在各种实施例中，公开了结合远程呈现协议实时检测网络状况的方法和系统。链路质量可以表示客户端和服务器之间的端到端连接的质量，具有注入用于测量的附加流量的上限和下限。在一些实施例中，可以基于期望的测量类型来选择测量技术。可以通过根据当前和以前的网络条件选择使用的测量类型来维持精度。在一个实施例中，使用状态模型来确定测量的频率并确定测量何时产生了链路质量的稳定估计。

2. 发明申请

US20130060886A1 Cross-Frame Progressive Spoiling Support for Reduced Network Bandwidth Usage 有权
标题翻译：跨帧逐行抖动支持减少网络带宽使用
公开(公告)号：US20130060886A1
公开(公告)日：2013-03-07
申请号：US13225022
申请日：2011-09-02
申请人： Tong L. Wynn , Vladimir Stoyanov , Sridhar Sankuratri , Damien Saint Macary , Voicu Anton Albu , Costin Hagiu
发明人： Tong L. Wynn , Vladimir Stoyanov , Sridhar Sankuratri , Damien Saint Macary , Voicu Anton Albu , Costin Hagiu
IPC分类号： G06F15/16
CPC分类号： H04L67/08 , H04L67/40
摘要： An invention is disclosed for efficiently processing and transmitting graphics data in a remote desktop environment. In embodiments of the invention, a connection is established between a remote desktop server computer and a remote desktop client computer. The remote desktop server computer may process graphics data representative of a remote user desktop. The remote desktop server computer may divide the remote desktop screen in data regions and portions. The remote desktop server computer may then encode and transmit each region to the remote desktop client computer at a certain quality that may be adjusted progressively across the screen frames. The remote desktop server computer may also stop encoding and transmitting the portions of the data region that would not be visible to a user when the region is rendered on a display. The remote desktop user experiences an image quality gradually improving with each frame containing information about the image.
摘要翻译：公开了一种用于在远程桌面环境中有效地处理和传输图形数据的发明。在本发明的实施例中，在远程桌面服务器计算机和远程桌面客户端计算机之间建立连接。远程桌面服务器计算机可以处理代表远程用户桌面的图形数据。远程桌面服务器计算机可以在数据区域和部分中划分远程桌面屏幕。然后，远程桌面服务器计算机可以以可以跨屏幕帧逐渐调整的一定质量对每个区域进行编码和传输到远程桌面客户端计算机。远程桌面服务器计算机还可以停止编码和传输在显示器上呈现该区域时用户不可见的数据区域的部分。远程桌面用户体验图像质量逐渐提高，每帧包含有关图像的信息。

3. 发明申请

US20070277231A1 Policy driven, credential delegation for single sign on and secure access to network resources 有权
标题翻译：政策驱动，凭据授权单点登录和安全访问网络资源
公开(公告)号：US20070277231A1
公开(公告)日：2007-11-29
申请号：US11441588
申请日：2006-05-26
申请人： Gennady Medvinsky , Cristian Ilac , Costin Hagiu , John E. Parsons , Mohamed Emad El Din Fathalla , Paul J. Leach , Tarek Buhaa El-Din Mahmoud Kamel
发明人： Gennady Medvinsky , Cristian Ilac , Costin Hagiu , John E. Parsons , Mohamed Emad El Din Fathalla , Paul J. Leach , Tarek Buhaa El-Din Mahmoud Kamel
IPC分类号： H04L9/32
CPC分类号： H04L63/0815 , H04L9/3273 , H04L63/20 , H04L2209/80
摘要： A credential security support provider (Cred SSP) is provided that enables any application to securely delegate a user's credentials from the client, via client side Security Support Provider (SSP) software, to a target server, via server side SSP software in a networked computing environment. The Cred SSP of the invention provides a secure solution that is based in part upon a set of policies, including a default policy that is secure against a broad range of attacks, which are used to control and restrict the delegation of user credentials from a client to a server. The policies can be for any type of user credentials and the different policies are designed to mitigate a broad range of attacks so that appropriate delegation can occur for given delegation circumstances, network conditions, trust levels, etc. Additionally, only a trusted subsystem, e.g., a trusted subsystem of the Local Security Authority (LSA), has access to the clear text credentials such that neither the calling application of the Cred SSP APIs on the server side nor the calling application of the Cred SSP APIs on the client side have access to clear text credentials.
摘要翻译：提供了一种凭证安全支持提供者（Cred SSP），使任何应用程序能够通过客户端安全支持提供商（SSP）软件将客户端的凭据安全地委派给目标服务器，通过网络计算中的服务器端SSP软件环境。本发明的Cred SSP提供了一种安全解决方案，该解决方案部分地基于一组策略，包括针对广泛的攻击的安全性的默认策略，其用于控制和限制从客户机委派用户凭证到服务器。这些策略可以用于任何类型的用户凭证，并且不同的策略被设计为减轻广泛的攻击，从而可以针对给定的授权情况，网络条件，信任级别等进行适当的委托。此外，只有可信的子系统，例如，本地安全机构（LSA）的受信任的子系统可以访问明文凭据，使得服务器端的Cred SSP API的呼叫应用程序和客户端的Cred SSP API的呼叫应用都不具有访问权清除文本凭据。

4. 发明申请

US20070061878A1 Creating secure interactive connections with remote resources 有权
标题翻译：使用远程资源创建安全的交互式连接
公开(公告)号：US20070061878A1
公开(公告)日：2007-03-15
申请号：US11354456
申请日：2006-02-15
申请人： Costin Hagiu , Elton Saul , Rajneesh Mahajan , Sergey Kuzin , Joy Chik , John Parsons , Ashwin Palekar , Ara Bernardi
发明人： Costin Hagiu , Elton Saul , Rajneesh Mahajan , Sergey Kuzin , Joy Chik , John Parsons , Ashwin Palekar , Ara Bernardi
IPC分类号： G06F15/16
CPC分类号： H04L63/0823 , G06F21/42 , G06F21/606 , G06F2221/2107 , H04L67/14 , H04L67/141
摘要： Implementations of the present invention efficiently establish secure connections between a client and server, at least in part by authenticating the client and server early on in the connection setup phases. A client initiating a connection with a server identifies the secure communication protocols enabled at the client, and identifies these protocols in a connection request it sends to the server. The server processes the message and responds with a communication protocol it deems appropriate for the connection. The client and server then exchange appropriate authentication information, and then establish a connection session that implements the chosen communication protocol, and encrypts messages using the negotiated communication protocol. Additional implementations relate to reestablishing dropped connections behind virtual Internet Protocol addresses, without necessarily having to recommit much connection resource overhead.
摘要翻译：本发明的实施方式至少部分地通过在连接建立阶段早期认证客户端和服务器来有效地建立客户端和服务器之间的安全连接。发起与服务器的连接的客户端识别在客户端启用的安全通信协议，并在发送到服务器的连接请求中识别这些协议。服务器处理消息并使用其认为适合连接的通信协议进行响应。然后，客户端和服务器交换适当的认证信息，然后建立实现所选通信协议的连接会话，并使用协商的通信协议加密消息。其他实现涉及在虚拟因特网协议地址之后重新建立丢弃的连接，而不必重新承担大量的连接资源开销。

5. 发明授权

US07073011B2 Intelligent streaming framework 失效
标题翻译：智能流媒体框架
公开(公告)号：US07073011B2
公开(公告)日：2006-07-04
申请号：US10823103
申请日：2004-04-13
申请人： Rafael S. Lisitsa , Dale A. Sather , Costin Hagiu
发明人： Rafael S. Lisitsa , Dale A. Sather , Costin Hagiu
IPC分类号： G06F15/173
CPC分类号： H04L65/4084 , H04L29/06027 , H04L65/602 , H04L65/80
摘要： The present invention analyzes a user's or client application's requirements and searches for a solution based on the end-to-end latency requirements (requested or derived), data formats, control protocols, timing and synchronization, local streaming, and resource availability. The search for a solution is tracked to allow backtracking from the point of no solution. Once a solution is determined, the system translates the solution into requirements for the individual components of the graph.
摘要翻译：本发明基于端到端等待时间要求（请求或派生），数据格式，控制协议，定时和同步，本地流传输和资源可用性来分析用户或客户端应用的需求并搜索解决方案。跟踪搜索解决方案，以便从无解决方案的角度进行回溯。一旦确定了解决方案，系统将解决方案转换为图表各个组件的需求。

6. 发明申请

US20050154783A1 Intent based processing 有权
公开(公告)号：US20050154783A1
公开(公告)日：2005-07-14
申请号：US11022118
申请日：2004-12-22
申请人： Rafael Lisitsa , Dale Sather , Costin Hagiu
发明人： Rafael Lisitsa , Dale Sather , Costin Hagiu
IPC分类号： G06F3/023 , G06F3/038 , G06F15/16 , G06F15/167
CPC分类号： G06F3/038 , G06F3/023
摘要： Presented is a system and method for determining a user's intent. Specifically, constituents and a topology are derived from the user's expression of intent, which can be stated broadly or stated in specific detail. The intent is expressed verbally, written, or in an XML format. The constituents and topology are resolved into a configuration based upon contexts. The contexts, which include a resource context, a user context, and an application context, includes information about the user's preferences, location, restrictions, device and network availability, and content availability. The configuration is then implemented.

7. 发明申请

US20050108354A1 Intent based processing 有权
标题翻译：基于意图的处理
公开(公告)号：US20050108354A1
公开(公告)日：2005-05-19
申请号：US11022127
申请日：2004-12-22
申请人： Rafael Lisitsa , Dale Sather , Costin Hagiu
发明人： Rafael Lisitsa , Dale Sather , Costin Hagiu
IPC分类号： G06F3/023 , G06F3/038 , G06F15/16 , G06F15/167
CPC分类号： G06F3/038 , G06F3/023
摘要： Presented is a system and method for determining a user's intent. Specifically, constituents and a topology are derived from the user's expression of intent, which can be stated broadly or stated in specific detail. The intent is expressed verbally, written, or in an XML format. The constituents and topology are resolved into a configuration based upon contexts. The contexts, which include a resource context, a user context, and an application context, includes information about the user's preferences, location, restrictions, device and network availability, and content availability. The configuration is then implemented.
摘要翻译：提出了一种用于确定用户意图的系统和方法。具体来说，构成要素和拓扑是从用户的意图表达中得出的，可以广泛地陈述或具体说明。意图用口头，书面或XML格式表达。组成部分和拓扑结构基于上下文解析成一个配置。包括资源上下文，用户上下文和应用程序上下文的上下文包括有关用户偏好，位置，限制，设备和网络可用性以及内容可用性的信息。然后执行配置。

8. 发明授权

US08180905B2 User-mode based remote desktop protocol (RDP) encoding architecture 有权
标题翻译：基于用户模式的远程桌面协议（RDP）编码架构
公开(公告)号：US08180905B2
公开(公告)日：2012-05-15
申请号：US12331298
申请日：2008-12-09
申请人： Wilhelm R. Schmieder , Nelamangal Krishnaswamy Srinivas , Costin Hagiu , Nadim Y. Abdo , Vladimir K. Stoyanov , Ahmed M. Tolba , Gautam Swaminathan , Srinivasa Reddy Neerudu
发明人： Wilhelm R. Schmieder , Nelamangal Krishnaswamy Srinivas , Costin Hagiu , Nadim Y. Abdo , Vladimir K. Stoyanov , Ahmed M. Tolba , Gautam Swaminathan , Srinivasa Reddy Neerudu
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： G06F9/545
摘要： Techniques are disclosed for a user-mode based remote desktop protocol (RDP) encoding architecture. A user mode desktop application and user mode virtual channel application run in user-mode session space. Virtual channel data from the virtual channel application is marshaled and sent to a RDP encoder process in user-mode system space. There it is converted to RDP protocol data units (PDU) and sent to a remote client across a communications network. Graphics data from the desktop application is sent to a display driver in kernel-mode session space and then to a graphics reflector that marshals the graphics data and sends it to the RDP encoder for a similar transformation.
摘要翻译：公开了基于用户模式的远程桌面协议（RDP）编码架构的技术。用户模式桌面应用程序和用户模式虚拟通道应用程序在用户模式会话空间中运行。来自虚拟通道应用的虚拟通道数据被封送并发送到用户模式系统空间中的RDP编码器进程。它被转换成RDP协议数据单元（PDU），并通过通信网络发送到远程客户端。来自桌面应用程序的图形数据被发送到内核模式会话空间中的显示驱动程序，然后发送到图形反射器，该图形反射器用于编排图形数据并将其发送到RDP编码器进行类似的转换。

9. 发明授权

US07548547B2 Controlling the transfer of terminal server data 有权
标题翻译：控制终端服务器数据的传输
公开(公告)号：US07548547B2
公开(公告)日：2009-06-16
申请号：US11394887
申请日：2006-03-31
申请人： Makarand V. Patwardhan , Nadim Abdo , Mahesh S. Lotlikar , Hammad Butt , Costin Hagiu
发明人： Makarand V. Patwardhan , Nadim Abdo , Mahesh S. Lotlikar , Hammad Butt , Costin Hagiu
IPC分类号： H04L1/00
CPC分类号： H04L47/10 , H04L47/19 , H04L47/2433 , H04L47/30
摘要： The present invention extends to methods, systems, and computer program products for controlling the transfer of terminal server data. In some embodiments, contending request to send terminal server data are resolved by a flow control module situated between a terminal server protocol and a transport/network protocol. The flow control module utilizes channel priorities along with amounts of previously sent data per channel to determine how to distribute bandwidth in a relatively controlled manner between contending channels. The flow control module can be configured to intercept communication between terminal server protocol and a transport/network protocol to facilitate bandwidth distribution. In other embodiments, data is simultaneously sent over multiple channels of terminal server connection. A first write operation obtains a lock on a corresponding channel but the channel lock does not prevent write operations on other channels.
摘要翻译：本发明涉及用于控制终端服务器数据传输的方法，系统和计算机程序产品。在一些实施例中，发送终端服务器数据的竞争请求由位于终端服务器协议和传输/网络协议之间的流控制模块解决。流量控制模块利用信道优先级以及每个信道先前发送的数据量来确定如何在竞争信道之间以相对受控的方式分配带宽。流控制模块可以被配置为拦截终端服务器协议和传输/网络协议之间的通信，以便于带宽分配。在其他实施例中，数据同时通过多个通道的终端服务器连接发送。第一次写入操作获得相应通道上的锁定，但是通道锁定不会阻止对其他通道的写入操作。

10. 发明授权

US07290039B1 Intent based processing 有权
标题翻译：基于意图的处理
公开(公告)号：US07290039B1
公开(公告)日：2007-10-30
申请号：US09794799
申请日：2001-02-27
申请人： Rafael S Lisitsa , Dale A Sather , Costin Hagiu
发明人： Rafael S Lisitsa , Dale A Sather , Costin Hagiu
IPC分类号： G06F15/16
CPC分类号： G06F3/038 , G06F3/023
摘要： Presented is a system and method for determining a user's intent. Specifically, constituents and a topology are derived from the user's expression of intent, which can be stated broadly or stated in specific detail. The intent is expressed verbally, written, or in an XML format. The constituents and topology are resolved into a configuration based upon contexts. The contexts, which include a resource context, a user context, and an application context, includes information about the user's preferences, location, restrictions, device and network availability, and content availability. The configuration is then implemented.
摘要翻译：提出了一种用于确定用户意图的系统和方法。具体来说，构成要素和拓扑是从用户的意图表达中得出的，可以广泛地陈述或具体说明。意图用口头，书面或XML格式表达。组成部分和拓扑结构基于上下文解析成一个配置。包括资源上下文，用户上下文和应用程序上下文的上下文包括有关用户偏好，位置，限制，设备和网络可用性以及内容可用性的信息。然后执行配置。

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