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    • 42. 发明授权
    • Surrogate stream for monitoring realtime media
    • 用于监控实时媒体的代理流
    • US07835406B2
    • 2010-11-16
    • US11764722
    • 2007-06-18
    • David R. OranRobert Andrew DriskoJoshua B. GahmAtif Faheem
    • David R. OranRobert Andrew DriskoJoshua B. GahmAtif Faheem
    • H04J3/12
    • H04L65/605H04L43/00H04L43/06H04L43/0829H04L43/087H04L43/106H04L65/4007H04L65/80H04L69/28
    • In one embodiment, a separate surrogate monitor stream provides real-time media monitoring statistics for non-media savvy protocols. The surrogate monitor stream contains packet transmission parameters, such as sequence numbers and time stamps, for associated media packets in the non-savvy media stream. The surrogate monitor stream also contains checksums derived from the media packets. The checksums are used to correlate the packets in the surrogate monitor stream with the media packets in the media stream. The information in the surrogate monitor stream is then used in conjunction with the non-savvy media stream to provide real-time media monitoring without having to modify existing infrastructure. For example, head-end video servers do not have to add Real-time Transport Protocol (RTP) support or deal with protocol upgrades like RTP/UDP co-existence.
    • 在一个实施例中,单独的替代监视流提供非媒体精通协议的实时媒体监视统计。 替代监视流包含非精通媒体流中相关联的媒体分组的分组传输参数,例如序列号和时间戳。 代理监视流还包含从媒体包导出的校验和。 校验和用于将代理监视流中的数据包与媒体流中的媒体数据包相关联。 然后,替代监视流中的信息与非精通媒体流结合使用,以提供实时媒体监视,而无需修改现有基础设施。 例如,头端视频服务器不必添加实时传输协议(RTP)支持或处理RTP / UDP共存等协议升级。
    • 44. 发明申请
    • Delivering Secure IPTV Services to PC Platforms
    • 将安全的IPTV服务提供给PC平台
    • US20100239090A1
    • 2010-09-23
    • US12407810
    • 2009-03-20
    • David R. Oran
    • David R. Oran
    • H04N7/167G06F21/00
    • H04N7/17318G06F21/10G06F2221/2137G06F2221/2149H04N5/4401H04N21/25816H04N21/4143H04N21/4181H04N21/4183H04N21/4184H04N21/4367H04N21/4623H04N21/6125H04N21/63345H04N21/63775H04N21/8173
    • To prevent theft of protected content when IPTV services are provided, a conditional access device (CAD) is connected to a personal computer (PC). An application is launched on the PC from the CAD over universal serial bus (USB) interface. The application configures the PC to allow a user to receive secure internet protocol television (IPTV) services. The conditional access device and an IPTV service provider determine user access to the IPTV services via a network by using a trusted computing base (TCB) on the CAD and keys stored on the CAD. The application decrypts and decodes the IPTV services using the processing and storage capability of the PC. The CAD also receives and processes remote control signals received from a remote control interface. The remote control signals are requests or responses from the user interacting with the application. The application displays content requested by the user or indications of responses by the user via a user interface on the PC.
    • 为了在提供IPTV服务时防止受保护内容的窃取,条件访问设备(CAD)被连接到个人计算机(PC)。 在PC上通过通用串行总线(USB)接口在PC上启动应用程序。 应用程序配置PC以允许用户接收安全的互联网协议电视(IPTV)服务。 条件访问设备和IPTV服务提供商通过使用CAD上的可信计算库(TCB)和存储在CAD上的密钥来确定用户通过网络访问IPTV服务。 该应用程序使用PC的处理和存储能力解密和解码IPTV服务。 CAD还接收并处理从遥控接口接收的遥控信号。 远程控制信号是来自用户与应用程序交互的请求或响应。 该应用程序显示用户请求的内容或用户通过PC上的用户界面的响应指示。
    • 48. 发明授权
    • Method and apparatus for network-based admission control using path-coupled quality of service signaling
    • 用于使用路径耦合的服务质量信令的基于网络的准入控制的方法和装置
    • US07502320B2
    • 2009-03-10
    • US11176785
    • 2005-07-06
    • David R. Oran
    • David R. Oran
    • H04L12/24
    • H04L12/2856H04L12/2874H04L47/70H04L47/724H04L47/745H04L47/748H04L47/785H04L47/805
    • A Resource ReSerVation Protocol (RSVP) proxy is used in combination with a signaling proxy to provide improved admission control, Quality of Service (QoS) reservation, and media path routing. This avoids entangling call signaling with media plane functions as required with Session Border Controllers (SBCs). A QoS access network control scheme, such as Packet Cable Multi-Media (PCMM) and/or Dynamic Quality of Service (DQoS), is conventionally used to set up QoS and other flow states on an access network. However, the gate parameters established during this access operation are also provided to an RSVP proxy in an edge router. The gate parameters trigger the RSVP proxy to attempt to establish a QoS reservation over the packet network toward a media flow destination. If admission control for the QoS reservation is successful, the edge router permits the signaling proxy to complete the media call.
    • 资源服务协议(RSVP)代理与信令代理组合使用,以提供改进的准入控制,服务质量(QoS)预留和媒体路由路由。 这避免了会话边界控制器(SBC)所要求的媒体平面功能的纠缠呼叫信令。 QoS接入网络控制方案,例如分组线缆多媒体(PCMM)和/或动态服务质量(DQoS),通常用于在接入网络上建立QoS等流量状态。 然而,在该访问操作期间建立的门限参数也被提供给边缘路由器中的RSVP代理。 门限参数触发RSVP代理尝试通过分组网络建立到媒体流目的地的QoS预留。 如果QoS预留的接纳控制成功,则边缘路由器允许信令代理完成媒体呼叫。