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    • 4. 发明申请
    • DNS PROXY SERVICE FOR MULTI-CORE PLATFORMS
    • 用于多核平台的DNS代理服务
    • US20130262637A1
    • 2013-10-03
    • US13991630
    • 2010-12-21
    • David John WeaverKeith Robert Broerman
    • David John WeaverKeith Robert Broerman
    • G06F15/177
    • G06F15/177H04L29/12066H04L29/12226H04L29/1282H04L61/1511H04L61/2015H04L61/6013
    • In a multi-core platform in which secondary processing cores do not have direct WAN connectivity, methods and apparatus are described that enable the secondary processing cores to provide DNS resolution services to their network applications and/or client devices attached thereto. In an exemplary embodiment, a primary processing core having direct WAN connectivity and a DHCP client includes a DNS proxy service module which acts as a DNS server to the platform's secondary processing cores. Each secondary processing core sends DNS queries to the primary core DNS proxy service module. A primary core DNS resolver regenerates DNS queries based on the DNS queries from the secondary cores and forwards them for resolution to WAN-side DNS servers whose IP addresses were provided to the DHCP client in response to an IP lease request. The resolved IP addresses are returned by the WAN-side DNS servers to the primary processing core, which provides them to the requesting secondary core applications or client devices, via the DNS proxy service module.
    • 在二核处理核心不具有直接WAN连接的多核平台中,描述了使辅助处理核心能够向其网络应用程序和/或与其连接的客户端设备提供DNS解析服务的方法和装置。 在示例性实施例中,具有直接WAN连接性的主处理核心和DHCP客户端包括DNS代理服务模块,其作为平台的二级处理核心的DNS服务器。 每个辅助处理核心向主要核心DNS代理服务模块发送DNS查询。 主要核心DNS解析器根据来自二级核心的DNS查询重新生成DNS查询,并将其转发给WAN端DNS服务器,该DNS服务器的IP地址是根据IP租约请求提供给DHCP客户端。 解析的IP地址由WAN侧DNS服务器返回到主处理核心,主处理核心通过DNS代理服务模块将它们提供给请求的次要核心应用程序或客户端设备。
    • 5. 发明申请
    • DNS FORWARDER FOR MULTI-CORE PLATFORMS
    • 用于多核平台的DNS转发器
    • US20130254425A1
    • 2013-09-26
    • US13991628
    • 2010-12-21
    • Keith Robert BroermanDavid John Weaver
    • Keith Robert BroermanDavid John Weaver
    • H04L12/56
    • H04L45/745H04L61/1511H04L61/2015H04L61/2076
    • In a multi-core platform in which secondary processor cores do not have direct WAN connectivity, methods and apparatus are described that enable the secondary cores to provide DNS resolution services to their network applications or to attached client devices. In an exemplary embodiment, a primary processor core having direct WAN connectivity includes a DNS forwarder which shares with the platform's secondary processing cores DNS server IP address information acquired from a WAN-side DHCP server. Each secondary core implements a compatible DNS forwarder client to request DNS information from the primary core DNS forwarder, receive the information, and make it available to its operating system's DNS resolver module. Additionally, or alternatively, the primary core DNS forwarder may push updated DNS server information to each secondary core following a primary core DHCP client lease renewal.
    • 在二核处理器内核不具有直接WAN连接的多核平台中,描述了使辅助核心能够向其网络应用程序或连接的客户端设备提供DNS解析服务的方法和装置。 在示例性实施例中,具有直接WAN连接的主处理器核心包括与从平台的辅助处理核心共享从WAN侧DHCP服务器获取的DNS服务器IP地址信息的DNS转发器。 每个辅助核心都实现兼容的DNS转发器客户端,从主要核心DNS转发器请求DNS信息,接收信息,并使其可用于其操作系统的DNS解析器模块。 另外或者替代地,主核心DNS转发器可以在主要的DHCP客户端租用更新之后将更新的DNS服务器信息推送到每个次要核心。
    • 6. 发明申请
    • Method and Apparatus for Securing Digital Content
    • 用于保护数字内容的方法和装置
    • US20090285280A1
    • 2009-11-19
    • US12084658
    • 2006-06-22
    • Thomas Patrick NewberryDavid John WeaverRonald Douglas Johnson
    • Thomas Patrick NewberryDavid John WeaverRonald Douglas Johnson
    • H04N7/12
    • H04N21/4432H04N7/163H04N21/4431
    • A video processing apparatus, including: power-up circuitry; an input for receiving encoded video signals; a memory having stored therein processing instructions for processing the encoded video signals to provide an output signal; a decoder, coupled to the input, for processing the received encoded video signals in accordance with the processing instructions; a first controller, coupled to the memory and decoder, for controlling operation of the decoder to process the encoded video signals in accordance with the processing instructions; and a second controller, coupled to the first controller, memory and power up circuitry, wherein, the second controller in response to a start up procedure restricts operation of the first controller and validates the processing instructions, and upon validation of the processing instructions un-restricts operation of the first controller thereby allowing the controller to read the processing instructions from the memory.
    • 一种视频处理装置,包括:上电电路; 用于接收编码视频信号的输入; 存储器,其中存储有用于处理编码视频信号以提供输出信号的处理指令; 耦合到输入端的解码器,用于根据处理指令处理接收的编码视频信号; 耦合到存储器和解码器的第一控制器,用于根据处理指令控制解码器处理编码视频信号的操作; 以及耦合到第一控制器,存储器和加电电路的第二控制器,其中响应于启动过程的第二控制器限制第一控制器的操作并验证处理指令,并且在验证处理指令时, 限制第一控制器的操作,从而允许控制器从存储器读取处理指令。