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1. 发明授权

US07764612B2 Controlling access to a host processor in a session border controller 有权
标题翻译：控制会话边界控制器中对主机处理器的访问
公开(公告)号：US07764612B2
公开(公告)日：2010-07-27
申请号：US11153983
申请日：2005-06-16
申请人： Ajay Manuja , Patrick John MeLampy , Ephraim Webster Dobbins , Robert Flagg Penfield
发明人： Ajay Manuja , Patrick John MeLampy , Ephraim Webster Dobbins , Robert Flagg Penfield
IPC分类号： H04L1/00
CPC分类号： H04L63/1458 , H04L29/06027 , H04L47/125 , H04L47/20 , H04L47/2416 , H04L65/1006 , H04L65/1073 , H04L65/1079 , H04L65/80
摘要： Methods and systems for controlling access to a host processor is disclosed. One exemplary method comprises the steps of receiving a plurality of signaling packets and controlling access to a host processor, via a first and a second path, for at least a portion of the packets in accordance with a bandwidth limit for the respective path. An exemplary system comprises: a host processor; and a traffic manager coupled to the host processor via a first path and a second path. The traffic manager is configured to communicate at least a portion of the packets to the host processor via a selected one of the paths. The traffic manager is further configured to regulate traffic along the first path such that the bandwidth limit of the first path is respected, and to regulate traffic along the second path such that the bandwidth limit of the second path is respected.
摘要翻译：公开了用于控制对主处理器的访问的方法和系统。一个示例性方法包括以下步骤：根据相应路径的带宽限制，经由第一和第二路径接收多个信令分组并针对至少一部分分组控制对主机处理器的访问。示例性系统包括：主机处理器; 以及经由第一路径和第二路径耦合到所述主处理器的流量管理器。流量管理器被配置为经由所选择的一个路径将至少一部分分组通信给主处理器。流量管理器还被配置为调节沿着第一路径的流量，使得遵循第一路径的带宽限制，并且调节沿着第二路径的流量，使得遵守第二路径的带宽限制。

2. 发明授权

US07376731B2 System and method for providing statistics gathering within a packet network 有权
标题翻译：用于在分组网络内提供统计信息收集的系统和方法
公开(公告)号：US07376731B2
公开(公告)日：2008-05-20
申请号：US10059919
申请日：2002-01-29
申请人： Mohiuddin Mohammed Khan , Patrick John MeLampy , Pietro Botticelli , Ephraim Webster Dobbins , Robert Flagg Penfield
发明人： Mohiuddin Mohammed Khan , Patrick John MeLampy , Pietro Botticelli , Ephraim Webster Dobbins , Robert Flagg Penfield
IPC分类号： G06F15/173
CPC分类号： H04L65/608 , H04L29/06027 , H04L41/142 , H04L41/5038 , H04L43/026 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/0894 , H04L65/80 , Y02D50/30
摘要： A system and method for providing statistics gathering within a packet network is disclosed. The system comprises a network processor, a traffic manager, a host processor, and a field programmable gate array. The network processor adds a header to received multimedia packets and the traffic manager measures and enforces multimedia flow rates. The host processor performs multimedia flow quality measurement services on a per flow basis, wherein the multimedia flow quality measurement services comprise maintaining current statistics for multimedia flows within the network processor including aggregate and minimum/maximum statistics for the multimedia flow. The field programmable gate array (FPGA) copies a received multimedia packet or a portion of the received multimedia packet, wherein the copy is utilized by the FPGA to perform statistics gathering via use of a latency engine, a lost packet calculation engine, a real-time transport control protocol packet jitter engine and a real-time transport protocol packet jitter engine.
摘要翻译：公开了一种用于在分组网络内提供统计收集的系统和方法。该系统包括网络处理器，业务管理器，主机处理器和现场可编程门阵列。网络处理器向接收的多媒体分组添加报头，流量管理器测量和实施多媒体流量。主处理器在每个流的基础上执行多媒体流质量测量服务，其中多媒体流质量测量服务包括维持网络处理器内的多媒体流的当前统计信息，包括多媒体流的聚合和最小/最大统计。现场可编程门阵列（FPGA）复制接收到的多媒体分组或接收到的多媒体分组的一部分，其中该复制由FPGA利用以通过使用延迟引擎，丢包分组计算引擎，时间传输控制协议包抖动引擎和实时传输协议包抖动引擎。

3. 发明授权

US07193996B2 System and method for determining a source of an internet protocol packet 有权
标题翻译：用于确定因特网协议分组的源的系统和方法
公开(公告)号：US07193996B2
公开(公告)日：2007-03-20
申请号：US10085324
申请日：2002-02-28
申请人： Ephraim Webster Dobbins , Robert Flagg Penfield , Ajay Manju , Ping Zhou
发明人： Ephraim Webster Dobbins , Robert Flagg Penfield , Ajay Manju , Ping Zhou
IPC分类号： H04L12/56
CPC分类号： H04L29/12462 , H04L29/06027 , H04L29/12009 , H04L29/12481 , H04L45/00 , H04L61/255 , H04L61/2557 , H04L65/80
摘要： A system and method for determining a source of an Internet protocol packet (IP). Generally, the system comprises a memory and a processor. The processor compares a destination address of the IP packet to a first destination address stored within a first destination address cell of the memory, and compares a destination port of the IP packet to a first destination port stored within a first destination port cell of the memory. The network processor also compares a source address of the IP packet to a first source address stored within a first source address cell of the memory, and compares a source port of the IP packet to a first source port stored within a first source port cell of the memory, wherein the stored first source address and the stored first source port are associated with the stored first destination address and the stored first destination port. The network processor also stores the source address and source port of the IP packet within the memory to determine the source of the IP packet if: the destination address and destination port of the IP packet match the stored first destination address and stored first destination port; the source address and source port of the IP packet do not match the stored first source address and stored first source port; and the stored first source address and stored first source port are universally accepted bits.
摘要翻译：一种用于确定因特网协议分组（IP）的源的系统和方法。通常，系统包括存储器和处理器。处理器将IP分组的目的地地址与存储在存储器的第一目的地地址单元中的第一目的地地址进行比较，并且将IP分组的目的地端口与存储在存储器的第一目的地端口单元内的第一目的地端口进行比较。网络处理器还将IP分组的源地址与存储在存储器的第一源地址单元中的第一源地址进行比较，并将IP分组的源端口与存储在第一源端口单元内的第一源端口进行比较存储器，其中存储的第一源地址和存储的第一源端口与存储的第一目的地地址和存储的第一目的地端口相关联。网络处理器还将IP分组的源地址和源端口存储在存储器内以确定IP分组的源，如果：IP分组的目的地址和目的地端口与存储的第一目的地址和存储的第一目的地端口匹配; IP包的源地址和源端口与存储的第一个源地址和存储的第一个源端口不匹配; 并且所存储的第一源地址和存储的第一源端口是普遍接受的位。

4. 发明授权

US07260085B2 System and method for determining a destination for an internet protocol packet 失效
标题翻译：用于确定因特网协议分组的目的地的系统和方法
公开(公告)号：US07260085B2
公开(公告)日：2007-08-21
申请号：US10103408
申请日：2002-03-21
申请人： Ephraim Webster Dobbins , Ajay Manuja
发明人： Ephraim Webster Dobbins , Ajay Manuja
IPC分类号： H04L12/66
CPC分类号： H04L45/00 , H04L45/54
摘要： A system and method for determining a destination for an Internet protocol packet. Generally, with reference to the structure of the system, the system utilizes a memory and a processor. The processor is instructed by the memory to perform the steps of: searching a memory for a destination Internet protocol address associated with the Internet protocol packet, the memory organized into a series of rows, each row including one destination Internet protocol address column, one weight value column, and one destination media access control address column, wherein at least one of said rows comprises a destination Internet protocol address having at least one universal bit, wherein universal bits are bits that accept any value, use of said universal bits ensuring that said step of searching said memory for said destination Internet protocol address associated with said Internet protocol packet results in said memory always having said destination Internet protocol address therein; utilizing said weight factor to select, from the series, a row matching the destination Internet protocol address; reading a destination media access control address column from the selected row; discarding said Internet protocol packet if a value of the destination media access control address is zero; and adding the media access control address to the Internet protocol packet as the destination of the packet, if the destination media access control address is not equal to zero.
摘要翻译：一种用于确定因特网协议分组的目的地的系统和方法。通常，参考系统的结构，系统利用存储器和处理器。所述处理器由所述存储器指示以执行以下步骤：搜索存储器与所述因特网协议分组相关联的目的地互联网协议地址，所述存储器被组织成一系列行，每行包括一个目的地因特网协议地址列，一个权重值列和一个目的地媒体访问控制地址列，其中所述行中的至少一个包括具有至少一个通用位的目标因特网协议地址，其中通用位是接受任何值的位，所述通用位的使用确保所述搜索所述存储器用于与所述因特网协议分组相关联的所述目的地互联网协议地址的步骤导致所述存储器总是在其中具有所述目的地互联网协议地址; 利用所述权重因子从该系列中选择与目的地因特网协议地址相匹配的行; 从所选行读取目的地媒体访问控制地址列; 如果目的地媒体访问控制地址的值为零，则丢弃所述因特网协议分组; 并且如果目的地媒体访问控制地址不等于0，则将媒体访问控制地址添加到因特网协议分组作为分组的目的地。

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