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    TECHNIQUES FOR ACCOUNTING FOR MULTIPLE TRANSACTIONS IN A TRANSPORT CONTROL PROTOCOL (TCP) PAYLOAD
    2.
    发明申请
    TECHNIQUES FOR ACCOUNTING FOR MULTIPLE TRANSACTIONS IN A TRANSPORT CONTROL PROTOCOL (TCP) PAYLOAD 审中-公开
    用于在运输控制协议（TCP）中进行多个交易的会计技术支付

    公开(公告)号：US20140149580A1

    公开(公告)日：2014-05-29

    申请号：US13859510

    申请日：2013-04-09

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Mark Albert ,  Robert Batz ,  Louis Menditto ,  Richard Gray ,  Tzu-Ming Tsang ,  Michael Sutton

    IPC: H04L12/26

    CPC classification number: H04L43/04 ,  H04L12/14 ,  H04L12/1425 ,  H04L67/02

    Abstract: Techniques for separately accounting for multiple transactions in the same data packets communicated over a network using Transport Control Protocol (TCP) include receiving an Internet Protocol (IP) data packet that includes Transport Control Protocol (TCP) payload data. The TCP payload is parsed to determine boundary data that indicates a byte location on a boundary between a first transaction and a second transaction. A byte count that indicates a number of bytes in the TCP payload associated with the first transaction is determined based on the boundary data. Accounting data for the first transaction is determined based at least in part on the byte count. These techniques allow a service gateway to bill separately for different requests and responses carried in TCP data packets, such as those for Hypertext Transfer Protocol (HTTP) and Real Time Streaming Protocol (RTSP).

    Abstract translation: 用于单独计算通过使用传输控制协议（TCP）通过网络传送的相同数据分组中的多个事务的技术包括接收包括传输控制协议（TCP）有效载荷数据的因特网协议（IP）数据分组。 解析TCP有效载荷以确定指示在第一事务和第二事务之间的边界上的字节位置的边界数据。 基于边界数据确定指示与第一事务相关联的TCP有效载荷中的字节数的字节计数。 至少部分地基于字节计数确定第一事务的计费数据。 这些技术允许服务网关对TCP数据分组（例如超文本传输​​协议（HTTP）和实时流协议（RTSP））中携带的不同请求和响应进行单独计费。

    System and method for inspecting domain name system flows in a network environment
    4.
    发明授权
    System and method for inspecting domain name system flows in a network environment 有权
    在网络环境中检查域名系统流的系统和方法

    公开(公告)号：US09210122B2

    公开(公告)日：2015-12-08

    申请号：US14661058

    申请日：2015-03-18

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Robert Batz ,  Robert Mackie

    IPC: H04L29/12 ,  H04L12/14 ,  H04L29/06 ,  H04L12/801 ,  H04L29/08 ,  H04L12/24

    CPC classification number: H04L61/1511 ,  H04L12/14 ,  H04L12/1407 ,  H04L12/1485 ,  H04L29/08288 ,  H04L41/0896 ,  H04L45/306 ,  H04L47/10 ,  H04L61/2076 ,  H04L61/2503 ,  H04L61/302 ,  H04L61/3025 ,  H04L61/6009 ,  H04L61/6068 ,  H04L63/0263 ,  H04L63/0892 ,  H04L67/1036 ,  H04L67/327

    Abstract: A method is provided in one example and includes maintaining a correlation between a domain name and a plurality of Internet protocol (IP) addresses included in a domain name system (“DNS”) response to a DNS request in connection with DNS exchange between a subscriber and a DNS server, wherein each of the IP addresses corresponds to one of a plurality of web servers associated with the domain name; receiving from the subscriber a packet associated with a flow; identifying an IP address within the packet as being one of the plurality of IP addresses included in the DNS response; and executing a policy decision for the subsequent flow without inspecting the contents of the subsequent flow at layer 7 based on an identity of the subscriber and the domain name correlated to the identified IP address, wherein the policy decision comprises charging a different rate for a particular flow.

    Abstract translation: 在一个示例中提供了一种方法，并且包括维护域名和包括在域名系统（“DNS”）中的多个因特网协议（IP）地址之间的相关性，所述域名系统（DNS）响应于DNS请求，结合用户之间的DNS交换 和DNS服务器，其中每个所述IP地址对应于与所述域名相关联的多个web服务器中的一个; 从用户接收与流相关联的分组; 将所述分组内的IP地址识别为所述DNS响应中包括的所述多个IP地址之一; 以及基于用户的身份和与所识别的IP地址相关联的域名来检查后续流的策略决定，而不检查第7层的后续流的内容，其中策略决定包括为特定的IP地址收取不同的速率 流。

    SYSTEM AND METHOD FOR INSPECTING DOMAIN NAME SYSTEM FLOWS IN A NETWORK ENVIRONMENT
    5.
    发明申请
    SYSTEM AND METHOD FOR INSPECTING DOMAIN NAME SYSTEM FLOWS IN A NETWORK ENVIRONMENT 审中-公开
    在网络环境中检查域名系统流的系统和方法

    公开(公告)号：US20150195245A1

    公开(公告)日：2015-07-09

    申请号：US14661058

    申请日：2015-03-18

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Robert Batz ,  Robert Mackie

    IPC: H04L29/12

    CPC classification number: H04L61/1511 ,  H04L12/14 ,  H04L12/1407 ,  H04L12/1485 ,  H04L29/08288 ,  H04L41/0896 ,  H04L45/306 ,  H04L47/10 ,  H04L61/2076 ,  H04L61/2503 ,  H04L61/302 ,  H04L61/3025 ,  H04L61/6009 ,  H04L61/6068 ,  H04L63/0263 ,  H04L63/0892 ,  H04L67/1036 ,  H04L67/327

    Abstract: A method is provided in one example and includes maintaining a correlation between a domain name and a plurality of Internet protocol (IP) addresses included in a domain name system (“DNS”) response to a DNS request in connection with DNS exchange between a subscriber and a DNS server, wherein each of the IP addresses corresponds to one of a plurality of web servers associated with the domain name; receiving from the subscriber a packet associated with a flow; identifying an IP address within the packet as being one of the plurality of IP addresses included in the DNS response; and executing a policy decision for the subsequent flow without inspecting the contents of the subsequent flow at layer 7 based on an identity of the subscriber and the domain name correlated to the identified IP address, wherein the policy decision comprises charging a different rate for a particular flow.

    Abstract translation: 在一个示例中提供了一种方法，并且包括维护域名和包括在域名系统（“DNS”）中的多个因特网协议（IP）地址之间的相关性，所述域名系统（DNS）对DNS请求的响应结合用户之间的DNS交换 和DNS服务器，其中每个所述IP地址对应于与所述域名相关联的多个web服务器中的一个; 从用户接收与流相关联的分组; 将所述分组内的IP地址识别为所述DNS响应中包括的所述多个IP地址之一; 以及基于用户的身份和与所识别的IP地址相关联的域名来检查后续流的策略决定，而不检查第7层的后续流的内容，其中策略决定包括为特定的IP地址收取不同的速率 流。

    SYSTEM AND METHOD FOR REPORTING PACKET CHARACTERISTICS IN A NETWORK ENVIRONMENT
    6.
    发明申请
    SYSTEM AND METHOD FOR REPORTING PACKET CHARACTERISTICS IN A NETWORK ENVIRONMENT 有权
    在网络环境中报告分组特性的系统和方法

    公开(公告)号：US20150188828A1

    公开(公告)日：2015-07-02

    申请号：US14658633

    申请日：2015-03-16

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Robert Batz ,  Richard A. Galatioto ,  Juan M. Mojica ,  Humberto M. Taváres

    IPC: H04L12/851 ,  H04L12/813 ,  H04L12/801

    CPC classification number: H04L47/2441 ,  H04L12/14 ,  H04L12/1407 ,  H04L43/026 ,  H04L47/10 ,  H04L47/14 ,  H04L47/193 ,  H04L47/20 ,  H04L47/2425 ,  H04L47/2483 ,  H04L47/35 ,  H04L63/123 ,  H04L63/164 ,  H04L63/20 ,  H04M15/41 ,  H04M15/66 ,  H04M15/8033 ,  H04M15/8214 ,  H04W4/24

    Abstract: A method is provided in one example and includes receiving a request to initiate a communication flow associated with a subscriber and identifying one or more parameters to be monitored for the communication flow. The method further includes extracting one or more bits from packets associated with the communication flow; the bits are used to determine an operating system associated with the communication flow. A policy decision can be executed for the communication flow based on the operating system associated with the communication flow. In more specific examples, the bits are sent to a next destination in response to a threshold being reached for at least one of the parameters. The parameters can be associated a volume parameter or a time parameter. The policy decision could include blocking traffic associated with the subscriber, initiating billing, redirecting the communication, managing a quality of service level for the communication flow, etc.

    Abstract translation: 在一个示例中提供了一种方法，并且包括接收发起与订户相关联的通信流的请求，并且识别要监视通信流的一个或多个参数。 该方法还包括从与通信流相关联的分组中提取一个或多个比特; 这些位用于确定与通信流相关联的操作系统。 可以基于与通信流相关联的操作系统对通信流执行策略决定。 在更具体的示例中，响应于针对至少一个参数的阈值而将比特发送到下一个目的地。 参数可以关联一个音量参数或一个时间参数。 策略决定可以包括阻止与用户相关联的流量，启动计费，重定向通信，管理通信流的服务质量等。

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