CN102668458B - 用于报告网络环境中的分组特点的系统和方法 - Google Patents
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Abstract
一种方法在一个示例中被提供并包括接收用于发起与订户相关的通信流的请求和识别要针对通信流来监视的一个或多个参数。该方法还包括从与通信流相关的分组中提取一个或多个比特;所述比特被用来确定与通信流相关的操作系统。可以基于与通信流相关的操作系统来针对通信流执行策略决定。在更多特定示例中,响应于所述参数中的至少一个参数的阈值被达到来将所述比特发送到下一目的地。参数可以与体积(volume)参数或时间参数相关联。策略决定可以包括阻塞与订户相关的流量、发起收费、对通信进行重新定向、管理通信流的服务质量级别等。
Description
技术领域
本公开一般地涉及通信领域,更特定地,涉及报告网络环境中的分组特点。
背景技术
联网架构已在通信环境中变得越来越复杂。随着端用户的订户群的增长并/或移动,通信会话及数据流的有效管理和正确的路由变得至关重要。通常,订户试图从网络中的各种位置来访问内容。订户可基于涉及服务供应商的某种类型的策略或协定而被提供连通性或服务。服务供应商关系通常规定订户在网络中操作所遵循的条款。正确地管理订户的财务承诺和策略的能力对系统设计者、组件制造者、网络运营者和系统管理者提出了重大的挑战。
附图说明
为了提供本公开及其特征和优点的更完整的理解,对以下结合了附图的描述进行参考,附图中相似的标号代表相似的部分,其中:
图1是根据本公开一个实施例的用于报告网络环境中的分组特点的通信系统的简化框图;
图2是例示了与通信系统相关的潜在操作的简化流程图;
图3是例示了与通信系统相关的替代操作的简化流程图;并且
图4是例示了用于通信系统的替代配置的简化框图。
具体实施方式
概览
一种方法在一个示例实施例中被提供并包括接收用于发起与订户相关的通信流的请求和识别要针对通信流来监视的一个或多个参数。该方法还包括从与通信流相关的分组中提取一个或多个比特;所述比特可以被用来确定与通信流相关的操作系统。可以基于与通信流相关的操作系统来针对通信流执行策略决定。在更多特定示例中,响应于传输控制协议(TCP)签名触发器(signature trigger)被匹配来将比特发送到下一目的地。策略决定可以包括阻塞与订户相关的流量、针对通信流发起收费、将通信流重新定向到下一目的地、管理通信流的服务质量级别等。在更多具体实施例中,比特是SYN分组的一部分(例如位于TCP头部、分组选项、分组标记、TCP字段等中)。
示例实施例
转向图1,图1是用于报告网络环境中的分组特点的通信系统10的简化框图。图1可包括订户12、服务网关14、无线接入网(RAN)16、多个服务通用分组无线业务(GPRS)支持节点(SGSN)18a和18b以及因特网协议(IP)网络20。因此,通信系统10可包括多个网关GPRS支持节点(GGSN)32a和32b。另外,服务网关14可包括日志生成(loggen)元件24、已知用户表(KUT)26和具有到控制处理器38的逻辑连接的多个流量处理器36。服务网关14另外可包括分组签名模块48、服务质量(QoS)模块54、策略控制强制执行功能(PCEF)模块56和存储元件34。通信系统10还可包括策略和计费规则功能(PCRF)元件40,所述策略和计费规则功能(PCRF)元件40包括分组映射模块42、处理器44和存储元件46。另外,通信系统10包括服务器60,服务器60可提供订户12所寻求的内容或服务。
通信系统10可包括能够针对分组在网络中的发送和/或接收进行传输控制协议/因特网协议(TCP/IP)通信的配置。通信系统10还可在适当时候并基于具体需要而结合用户数据报协议/IP(UDP/IP)或任何其他适当协议来操作。根据本公开的具体实施例,通信系统10一般可被配置或布置成代表适用于全球移动系统(GSM)环境的2G、2.5G或3G通信架构。通信系统10还可被配置成利用任何适当的GPRS隧道传输协议的任何版本来操作。
为了例示通信系统10的某些示例技术,重要的是理解可穿越网络并且可提供关于给定订户所采用的设备的暗示的通信。以下基本信息可被视为本公开可被正确解释的基础。服务供应商希望能够识别网络上的订户设备的源操作系统(OS)。一旦操作系统已知,服务供应商就可以识别哪些设备附接到他们的网络,并且利用该信息来控制与具体订户相关的策略。当订户利用各种设备搭入到网络上时,一个问题浮现出来:某些设备可能消耗了不当数量的带宽。换一种说法,某些未经授权的设备可能附接到服务供应商的网络。在更特定的实例中,某些设备可能落在订户和服务供应商之间的用户协定之外。在某种意义上,订户可以通过在到网络的附接点处改变其设备来绕开策略。例如,移动服务供应商可能针对网络具有仅适合移动电话的协定。某些订户可能选择将笔记本、台式机或各种其他设备附接到网络并且这些设备(例如,在策略的意义上)不应被提供网络连通性。
通信系统10可以通过识别与进入的流相关的操作系统来解决该问题。这可以通过评价(evaluate)从具体订户设备发送的分组来实现。通过分析分组,底层操作系统可以透露(reveal)指示订户所采用的具体设备的数据。例如,某些传输控制协议(TCP)头部可被用来识别具体操作系统(例如,Windows,Linux,MAC等)。在其他实例中,具体分组选项、标记或IP头部信息可被识别以辨认相关的操作系统。任何数目的附加特点可被收集以便进行给定操作系统的智能评估。因此,通过理解具体操作系统的某些特点,设备的智能识别可以基于相应的分组流来进行。这些可能的分组特点中的一些将在下面讨论并在图4的示例表中进一步例示。
在通信系统10的一个示例实现方式中,属性值对(AVP)可以被用于各类触发器,其中所述触发器可以被设置(即识别)以监视具体事件的订户流。潜在的触发器(即参数)的示例可以与每用户体积阈值、每用户时间阈值或者与流相关的任何其他适合特点相关。AVP可以与计费规则触发器AVP类似地被建模,其中所述计费规则触发器AVP可以采取各种形式。在一个示例实施例中,KUT 26可以提供用于判断用于生成TCP签名消息的参数(例如标准)是否存在的应用程序接口(API)。这包括监视与这些参数相关的阈值。如果消息要被生成,则API还可以提供用于从触发分组提取所需字节的机制。在一个示例中,TCP签名消息生成的活动包括:1)为订户设置TCP签名触发器;2)从订户接收当前分组;以及3)当前分组是设置了SYN比特的TCP分组。
在一个特定示例中,这里概述的操作可以运用到Gx架构。Gx表示第三代合作伙伴项目(3GPP)Diameter应用。在实现了Gx的网络中,Gx参考点可以位于PCRF元件40和PCEF模块56之间。Gx参考点可以通过运用涉及应用的AVP而被用于计费和策略控制。服务网关14可以经由Gx接口来提供策略控制。在转向该架构的某些操作之前,提供关于图1的基础结构中的一些的简要讨论。
订户12可以与希望经由某种网络发起通信系统10中的通信的客户、消费者或端用户相关联。术语“订户”包括用于发起通信的设备,如计算机、个人数字助理(PDA)、膝上型电脑或电子笔记本、蜂窝电话、iPhone、IP电话或者任何其他能够发起通信系统10内的语音、音频、视频、媒体或数据交换的设备、组件、元件或对象。订户12还可包括与人类用户的合适接口,如麦克风、显示器或键盘或其他终端设备。订户12还可以是试图代表诸如程序、数据库或者任何其他能够在通信系统10内发起交换的设备、组件、元件或对象之类的另一实体或元件来发起通信的任何设备。本文件中使用的数据指代任何类型的数字、语音、视频、媒体或脚本数据,或者任何类型的源或目标代码,或者任何其他可从一点传送到另一点的任何适当格式的合适信息。
服务网关14和PCRF元件40是辅助端点和给定网络(例如,图1所例示的那些网络)之间的服务流的网络元件。如本说明书中所使用的,术语“网络元件”意图涵盖路由器、交换机、网关、桥、负载均衡器、防火墙、服务器、处理器、模块或者可操作用于在网络环境中交换信息的任何其他合适设备、组件、元件或对象。网络元件可包括用于支持这里概述的与报告关于具体流的分组签名相关的活动的分组签名模块48和分组映射模块42。此外,网络元件可包括辅助其操作的任何合适硬件、软件、组件、模块、接口或对象。这可包括考虑到数据或信息的有效交换的适当算法和通信协议。
在一种实现方式中,服务网关14和PCRF 40包括用于实现(或促进)本说明书中概述的签名报告操作的软件。注意在一个示例中,这些网络元件可以具有辅助这里描述的某些操作的内部结构(例如,带有处理器、存储元件等)。在其他实施例中,这些签名报告特征可在这些元件外部被提供或者被包含在某些其他网络设备中以实现该预期的功能。作为替代,服务网关14和PCRF元件40包括能够相互合作以实现这里概述的操作的该软件(或往复式软件)。在其他实施例中,这些设备之一或二者都可包括辅助其操作的任何合适算法、硬件、软件、组件、模块、接口或对象。
在实现了Gx的网络中,服务网关14可以用作PCEF,或者用作增强型GGSN(eGGSN)节点的一部分,其中服务网关14和GGSN作为给定网络元件中的分离的卡被提供。作为替代,服务网关14可被配置成作为单独的Gi节点来操作,带有与外部的GGSN的互操作性。在eGGSN模式中,服务网关14可以用作Gx接口端点,同时GGSN管理分组数据协议(PDP)上下文。服务网关14和给定的GGSN可以按需要使用远程认证拨入用户服务(RADIUS)协议或任何其他合适的协议来相互通信。将在这种通信中使用的其他协议可包括Diameter、服务网关接口(SGI)、终端访问控制器访问控制系统(TACACS)、TACACS+等。
服务网关14可以为基本Gx支持提供针对每用户层7规则、动态策略加载和每用户服务策略的增强。在Gi节点模式中,单独的服务网关14可以用作Gx接口端点。Gi节点模式可以支持与eGGSN模式相同的功能。为了针对特定订户来实现Gx支持,服务网关14可以定义用户简档并将该简档与订户相关联。例如,用户简档可以针对相关订户来实现Gx。用户简档还可以定义在PCRF失败的情况下服务网关14可以采取的动作。另外,用户简档可以定义当向PCRF元件40发送每用户信用控制请求(CCR)时将由服务网关14使用的移动策略控制和计费(MPCC)简档。
服务网关14可以通过若干方式来确定用户是Gx用户。例如,给定的GGSN可以发送RADIUS记账开始请求或RADIUS记账临时请求:二者都可以指示用户是Gx用户。作为替代,服务网关14可以将RADIUS记账开始的属性(例如,被叫台站Id属性)中的接入点名称(APN)名称与配置的APN名称列表作比较以确定用户是Gx用户。关于策略的动态加载,服务网关14可以动态地从PCRF元件40加载全局内容、映射、策略、收费计划和服务。如果被配置成这么做,则服务网关14可以在它启动时动态地加载策略(即,策略的预加载)。服务网关14还支持将订户TCP SYN(或SYN-ACK)分组的IP和TCP头部经由Gx协议输出到PCRF元件40。PCRF元件40选择性地发起每用户TCP签名触发器来请求TCP签名信息。在具体实施例中,这涉及识别给定的操作系统,如这里所详述的。订户可以被识别为Gx用户以允许对PCRF元件40的此报告。
RAN 16是订户12和SGSN 18a及18b之间的通信接口。在一个实施例中,RAN 16可包含收发基站和基站控制器。RAN 16所提供的通信接口可允许数据在订户12和通信系统10内的任意数目的被选元件之间被交换。RAN 16可辅助订户12生成的请求分组的递送和订户12寻求的信息的接收。RAN 16仅仅是订户12和SGSN 18a及18b之间的通信接口的一个示例。其他合适类型的通信接口可被用于任何适当的网络设计并且这些可基于具体的通信架构。
SGSN 18a、18b和GGSN 32a、32b是合作以辅助涉及订户12的通信会话的通信节点或元件。GGSN 32a-b是可与多个SGSN 18a及18b一起工作以在GPRS服务网络中提供通信介质的、在GPRS环境中操作的通信节点。GGSN 32a-b可以提供GPRS隧道传输协议(GTP)、任意PDP认证、授权和记账(AAA)操作以及QoS RAN信令。GPRS可支持多个因特网通信协议并且可使能现有的IP、点到点协议(PPP)或者任何其他合适应用或平台以在给定网络上操作。
IP网络20代表用于接收和发送通过通信系统10来传播的信息分组的互连的通信路径的一系列点或节点。IP网络20提供订户12和被选GGSN32a-b之间的可通信接口,并且可以是任何局域网(LAN)、无线局域网(WLAN)、城域网(MAN)、广域网(WAN)、虚拟专用网(VPN)或者任何其他辅助网络环境中的通信的适当架构或系统。在本公开的特定实施例中,IP网络20可实现UDP/IP连接并使用TCP/IP通信语言协议。然而,IP网络20可作为替代地实现任何其他用于在通信系统10内发送和接收数据分组的合适通信协议。
PCRF元件40可以被配置成使用订户信用控制应答(CCA)或重新授权请求(RAR)消息来发起TCP签名触发器。服务网关14可以在订户信用控制请求更新(CCR-U)消息中报告下一TCP流的TCP签名。触发器被设置之后,它在被PCRF元件40再次发起之前可以被清除。在某种意义上,触发器被设置或装备可以意味着PCRF元件40向服务网关14指示给定订户的下一TCP-SYN应被报告。在此时,存在被设置的触发器,但没有TCP-SYN要报告。PCRF元件40能够有效地解除触发器(即,禁止该机制或不设置该特征),如果它这么选择的话。如果服务网关14查看订户的TCP-SYN并且触发器仍被设置,则触发器被解除并且TCP-SYN被报告。PCRF元件40随后可以选择再次设置触发器以查看订户的下一TCP-SYN。
PCRF元件40可以被配置成用作Diameter服务器并执行以下功能:1)使用Gx接口来向PCEF模块56供应PCC规则(并从PCEF模块56移除PCC规则);2)管理策略控制决定;3)向PCEF模块56提供有关服务数据流检测、QoS和基于流的计费的网络控制;4)从应用功能(AF)接收会话和有关媒体的信息;以及5)向AF通知流量平面事件。
PCEF模块56可以用作Diameter客户端并执行以下功能:1)使用Gx接口来向PCRF元件40发送流量平面事件;2)强制执行策略、操纵基于流的计费、控制QoS和用户平面流量的操纵;3)提供服务数据流检测、对在线和离线计费交互进行计数;以及4)报告服务数据流的状态的改变。在实现了Gx的网络中,PCC规则可被用于:1)检测属于服务数据流的分组;2)识别服务数据流所致力于的服务;以及3)为服务数据流提供适用的计费参数和策略控制。PCC规则可以由PCRF元件40通过Gx接口动态地供应到PCEF模块56。动态PCC规则可以在PCRF元件40中动态地生成。动态PCC规则可以在任意时间被激活、修改和去激活。
日志生成元件24是可操作用于基于KUT 26提供的信息来构建收费记录并将收费记录传送给收费系统的存储元件。日志生成元件24还可操作用于存储数据以供稍后使用并对将被传送到收费系统的收费记录执行全部格式化。日志生成元件24可使用硬件、软件或任何其他可用于存储信息并生成要被传送到收费系统的收费记录的合适元件或对象来实现。日志生成元件24可生成日志记录或收费记录并且另外地将消息发送到与SGSN的改变相关的收费系统元件。
KUT 26是管理订户12的ID和相应IP地址之间的一个或多个关联的数据存储元件。KUT 26可以仅是服务网关14内的任何存储元件的一部分。KUT 26还可存储先前为订户12指定的有关收费的信息,并且当与订户12相关的额外信息被传送到服务网关14时,收费系统可被调用。KUT 26可在额外收费记录被创建时被查阅以便确定收费系统应该接收所选收费记录。KUT 26还可包括可被实现以便从数据流获得IP地址的用户ID信息的应用程序接(API)。
KUT 26被配备了将源IP地址(或任何其他订户12参数)映射到用户ID的能力。用户ID可按需要从外部数据库或任何其他合适位置被获得。作为替代,用户ID可从RADIUS流、TACACS通信流、Diameter通信流或任何其他合适的通信协议流、通信会话或数据交换中提取。数据库可在任何合适时间被填充并且例如经由RADIUS或TACACS流的嗅探、使用任何合适机制来更新。
服务器60可以是向任何订户或订户群供应内容或服务的网络服务器。例如,服务器60可以是与www.EPSN.com或www.yahoo.com(二者都可向其端用户供应内容)相关的任何网络元件。作为替代,服务器60可以是被订户12试图访问或使用的任何目的地、位置或节点。服务器60可提供被请求的服务/内容,或者提供去往包括所需数据的另一位置的入口、途径或网关。在其他实施例中,服务器60可以仅是能够存储或递送内容或服务到一个或多个订户12的数据存储位置或处理器。
转向图2,图2是例示了与通信系统10相关的一个示例活动的简化流程图70。该特定流程与TCP签名触发器建立相关联。注意,依据用于该特定流程的预定条件,给定的订户可以登录到服务供应商网络并发起TCP连接。在该特定示例中,订户在供应商网络上被允许并且订户代表Gx用户。订户针对被允许的服务发起连接。
在以下流程中,TCP签名触发器可以被设置(即识别),并且TCP签名AVP可以被发送到PCRF元件40。该情形可在订户登录到服务供应商网络并且PCRF元件40为用户设置TCP签名触发器时被发起。在步骤一(并且在GPRS示例的上下文中),GGSN向服务网关14发送记账开始(例如,RADIUS记账消息)。在步骤二,服务网关创建KUT条目并且向PCRF元件40发送带有订户信息的策略Auth CCR-初始(Policy Auth CCR-Initial)。在步骤三,PCRF元件40利用包括用于TCP签名的触发器的策略Auth CCA-I(Policy Auth CCA-I)来进行响应。服务网关14可以在KUT条目上设置用于TCP签名的触发器。在某种意义上,服务网关14指示出如果针对特定参数的某种标准已被满足,则网关想得到该事件的通知。
步骤四反映出订户发送SYN分组,其中服务网关14在步骤五将SYN分组转发给服务器。在步骤六,TCP签名触发器被运行并且服务网关14向PCRF元件40发送带有新AVP的策略Auth CCR-U,所述新AVP包含SYN分组的IP和TCP头部。触发器可以从SYN分组得到具体比特。这些比特可以被发送回具有将这些特点映射到特定操作系统的智能的PCRF元件40。该逻辑连接随后可以被用于做出被通知的策略决定,所述策略决定可以被发送到服务网关14。在一般意义上,基于OS的策略决定在PCRF元件40处被做出,其中这些决定被服务网关14运行。
注意在网络的所发起流程中,TCP签名触发器可以基于来自订户的SYN-ACK被发起。新AVP中包括的IP和TCP头部可以来自SYN-ACK。TCP签名触发器接着在步骤六之后被清除(以避免例如PCRF元件40被数据不必要地充满)。在步骤七,PCRF元件40利用策略AuthCCA-U消息来进行响应。就触发器而言,PCRF元件40可以发送具体AVP。对于该特定用户,服务网关14可以监视后续SYN分组的流。当后续SYN分组被服务网关14接收时,特定签名可以被发送到PCRF元件40以便做出被通知的策略决定。作为一般建议,触发器指示监视应在特定事件针对特定订户而发生的情况下完成。
该特定订户流还可以在步骤六中被进一步分析以便智能地识别该特定订户所采用的操作系统。该识别可涉及某种类型的后端服务器或利用某个特定数据库的查阅。在其他实例中,PCRF元件40可以自己执行该映射(例如,使用分组映射模块42)。在一个特定示例中,后端服务器被用于智能地辨认操作系统,并且该特定服务器布置将在下面参考图4来讨论。
还应注意,在步骤七,任何数目的合适响应都可能发生。在该特定示例中,服务网关14作为由PCRF元件40运行的策略决定的强制执行点来操作。因此,在一个示例中,服务网关14被配置成作为总是与PCRF元件40相连接以接收/强制执行策略决定的PCEF元件来操作。PCRF元件40可以基于将订户与特定策略相关联的规则来做出其策略决定,其中该策略可以通过对订户的操作系统的智能识别来被核实、证实、验证或以其他方式被确认。
在特定的流不符合订户的策略的场合,任何数目的响应都可能发生。例如,基于操作系统的识别,服务网关14可选择针对该特定订户停止服务。在其他实例中,服务网关14可针对该订户阻塞特定的流量。其他响应可包括针对该特定订户的持续监视或监督。在另一实例中,响应可以针对该特定流集合来触发额外的收费。另外其他的响应可包括针对该特定订户进行计量供应(metering),或者针对该订户的流的某种类型的重新定向。这种重新定向可包括对额外支付的指示,或者向订户告知针对这些特定流的潜在费用的指示。另一响应可包括调整、终止或以其他方式管理订户的(一个或多个)流的服务质量级别。又一响应可包括指示相应的SGSN终止该连接。
图3是与本公开的示例实施例相关的简化流程图80。图3描绘的特定活动与服务网关14和PCRF元件40相关。注意,PCRF元件40可能有些难以识别订户的操作系统。这可能导致小的延迟,或者在其他实例中,PCRF元件40可能无法搞清特定流的操作系统。在这种实例中,PCRF元件40可以将该状况用信号传送给服务网关14。因此,除了前面描述的CCA原语(primitive),还存在图3所例示的RAR原语。
在一个特定示例中,PCRF元件40可以重新发起TCP签名触发器。在该实例中,订户具有在服务网关14上的KUT条目。对于实际的触发器,PCRF元件40可以发送带有TCP签名触发器的RAR消息。在步骤一,PCRF元件40可以发送包括TCP签名触发器的策略安装请求。在步骤二,服务网关14可以使能用于用户的TCP签名并利用策略安装ACK消息(例如,资源分配消息、重新授权应答(RAA)消息等)来进行响应。为用户发起的下一TCP流可以导致具有TCP签名AVP的CCR。从此,策略决定可以被做出并且最终被强制执行,如这里所讨论的。
图4是与通信系统10的示例实现方式相关的服务器配置90的简化框图。图4包括耦合到包括处理器94和数据库96的服务器92的PCRF元件40。数据库96内是图例97和表98。图例97可以描述许多操作系统特点,所述特点被示于表98。例如,图例97定义了特定的分组特点:某些特点可以提供(例如由订户使用的设备)所使用的特定操作系统的指示。这些潜在特点中的一些可以包括TCP窗口大小、TCP选项最大片段大小、TCP选项窗口规模、IP生存时间、IP“不分段”标记被设置、允许的TCP选项选择性确认(SACK)为真、TCP选项含有非操作(NOP)指示、TCP时间戳存在、TCP WSS字段存在、TCP窗口规模字段存在、操作系统号码或名称等。任何数目的额外特点可被使用以便确定或推断分组是从特定类型的设备、处理器、端点等发出的。除了确定给定的操作系统,这些分组特点还可被用于确定各种其他与特定通信流相关的条件、特征或质量。
在操作时,服务器92可以从PCRF元件40接收请求。服务器92随后可以与其内部处理器94和数据库96合作以便做出关于哪个操作系统被订户使用的智能判决。该判决可能受到表98内指定的标准的影响。更具体地,表98可被配置与特定操作系统相关的多个参数。这些参数可与从PCRF元件40接收的到来的分组进行匹配。一旦识别操作系统时已做出合适的判决,该信息就可以被发送回PCRF元件40。PCRF元件40随后可以基于操作系统被给定订户采用的正确识别来做出被通知的策略决定。
注意在某些示例实现方式中,这里概述的签名报告(和操作系统识别)功能可由一个或多个有形介质中编码的逻辑(例如,专用集成电路[ASIC]中提供的嵌入逻辑、数字信号处理器[DSP]指令、由处理器或其他类似机器运行的[可能包括目标代码和源代码]的软件等)来实现。在这些实例的某一些中,存储元件[如图1所示]可以存储用于这里描述的操作的数据。这包括能够存储被运行以执行本说明书中描述的活动的软件、逻辑、代码或处理器指令的存储元件。处理器可以运行与数据相关的任何类型的指令以实现本说明书中详述的操作。在一个示例中,处理器[如图1所示]可将元件或材料(例如,数据)从一种状态或事物转变为另一种状态或事物。在另一示例中,这里概述的活动可利用固定逻辑或可编程逻辑(例如,由处理器运行的软件/计算机指令)来实现并且这里标识出的元件可以是某种类型的可编程处理器、可编程数字逻辑(例如,现场可编程门阵列[FPGA]、可擦除可编程只读存储器(EPROM)、电可擦除可编程ROM(EEPROM))或包括数字逻辑、软件、代码、电子指令的ASIC,或其任何合适组合。
在一个示例实现方式中,服务网关14和PCRF元件40包括软件以实现这里概述的签名报告(和操作系统识别)功能。这些活动可由分组签名模块48和/或分组映射模块42辅助。服务网关14和/或PCRF元件40二者都可以包括用于存储将在实现这里概述的智能签名报告和OS识别操作时使用的信息的存储元件。另外,这些设备的每一个可包括能够运行软件或算法以执行本说明书中讨论的智能签名报告和OS识别活动的处理器。这些设备还可在适当时候并且基于特定需要而在任何合适的存储元件[随机存取存储器(RAM)、ROM、EPROM、EEPROM、ASIC等]、软件、硬件或在任何其他合适的组件、设备、元件或对象中保持信息。这里讨论的任何存储术语(例如,数据库、表格、图例等)应被解释成被涵盖在广义术语“存储元件”中。类似地,本说明书中描述的任何可能的处理元件、模块和机器应被解释成被涵盖在广义术语“处理器”中。网络元件的每一个还可包括用于接收、发送和/或以其他方式在网络环境中传送数据或信息的合适接口。
注意,对上面提供的示例以及这里提供的多个其他示例,交互在二、三或四个网络元件的情况下被描述。然而,这么做只是为了清楚和示例。在某些情况中,通过仅参考有限数目的网络元件来描述给定的流集合的一个或多个功能可能更容易。应该意识到,通信系统10(及其教导)是容易扩展的并且可以容纳大量组件以及更复杂/完善的装置和配置。因此,提供的示例不应限制范围或约束潜在地适用于其他架构的混合物的通信系统10的广义教导。
还要注意,前述流程图中的步骤仅例示了可由通信系统10或在通信系统10内运行的某些可能的信令情形和模式。在不脱离本公开的范围的情况下,这些步骤的某一些可按需要被删除或移除,或者这些步骤可被大幅修改或改变。此外,很多这些操作已被描述为与一个或多个额外的操作同时或并列地运行。然而,这些操作的定时可被大大改变。前述流程图是为了示例和讨论而提供的。在任何合适的装置、时间顺序、配置和定时机制可在不脱离本公开的范围的情况下被提供这一方面,通信系统10提供了实质的灵活性。
虽然已参考特定装置和配置详细描述了本公开,但是这些示例配置和装置可不脱离本公开的范围的情况下大幅改变。例如,虽然已参考涉及某些GGSN组件的特定通信交换描述了本公开,但是通信系统10适用于其他协议和装置,如任何类型的网络访问服务器(NAS)、GPRS入口点等。此外,本公开同样适用于各种蜂窝和/或无线技术,包括CDMA、Wi-Fi、WiMax等。另外,可使用这里定义的特征的其他示例环境包括Pico和毫微微架构,其中适当的签名报告(和操作系统识别)会针对一个或多个用户而发生。此外,虽然已参考辅助通信处理的特定元件和操作例示了通信系统10,但是这些元件和操作可用任何实现通信系统10的预期功能的合适架构或处理来代替。
Claims (14)
1.一种用于报告网络环境中的分组特点的方法,包括:
接收用于发起与订户相关联的通信流的请求;
将与所述通信流相关的源IP地址映射到订户;
确定所述通信流的服务质量级别;
识别要针对所述通信流来监视的一个或多个参数;
从与所述通信流中的所述一个或多个参数相关的分组提取一个或多个比特,其中所述比特被用于确定与所述通信流相关的操作系统;以及
基于与所述通信流相关的所述操作系统、和与所述订户相关联的所述通信流的所述服务质量级别来运行针对所述通信流的策略决定,其中订户基于所述策略决定而被提供连通性或服务。
2.根据权利要求1所述的方法,其中响应于所述参数中的至少一个参数的阈值被达到,所述比特被发送到下一目的地,并且其中所述参数与体积参数和时间参数中的被选择的一个参数相关联。
3.根据权利要求1所述的方法,其中运行所述策略决定包括阻塞与所述订户相关的流量。
4.根据权利要求1所述的方法,其中运行所述策略决定包括发起针对所述通信流的收费。
5.根据权利要求1所述的方法,其中运行所述策略决定包括将所述通信流重新定向到下一目的地。
6.根据权利要求1所述的方法,其中运行所述策略决定包括管理所述通信流的服务质量级别。
7.根据权利要求1所述的方法,其中所述比特是SYN分组内的元素组中的被选元素的一部分,所述元素组包括:
a)传输控制协议TCP头部;
b)分组选项;
c)分组标记;
d)TCP字段;以及
e)IP头部字段。
8.一种用于报告网络环境中的分组特点的设备,包括:
被配置成存储数据的存储元件,
用于运行与所述数据相关的指令的处理器,以及
分组签名模块,所述分组签名模块被配置成:
接收用于发起与订户相关联的通信流的请求;
将与所述通信流相关的源IP地址映射到订户;
确定所述通信流的服务质量级别;
识别要针对所述通信流来监视的一个或多个参数;
从与所述通信流中的所述一个或多个参数相关的分组提取一个或多个比特,其中所述比特被用于确定与所述通信流相关的操作系统;以及
基于与所述通信流相关的所述操作系统、和与所述订户相关联的所述通信流的所述服务质量级别来运行针对所述通信流的策略决定,其中订户基于所述策略决定而被提供连通性或服务。
9.根据权利要求8所述的设备,其中响应于所述参数中的至少一个参数的阈值被达到,所述比特被发送到下一目的地,并且其中所述参数与体积参数和时间参数中的被选择的一个参数相关联。
10.根据权利要求8所述的设备,还包括:
策略控制强制执行功能PCEF模块,被配置成响应于所述操作系统被确定来阻塞与所述订户相关的流量。
11.根据权利要求10所述的设备,其中所述PCEF模块还被配置成:
响应于所述操作系统被确定来将所述通信流重新定向到下一目的地。
12.根据权利要求8所述的设备,还包括:
服务质量模块,被配置成管理所述通信流的服务质量级别。
13.根据权利要求8所述的设备,还包括:
已知用户表KUT元件,被配置成使用应用程序接口API来确定与所述参数相关的一个或多个阈值是否被达到。
14.根据权利要求13所述的设备,还包括:
策略和计费规则功能,被配置成将所述比特与预定的操作系统特点作比较以确定与所述通信流相关的操作系统。
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Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101932006A (zh) * | 2009-06-19 | 2010-12-29 | 中兴通讯股份有限公司 | 数据包发送、接收、传输方法及装置 |
US9015318B1 (en) | 2009-11-18 | 2015-04-21 | Cisco Technology, Inc. | System and method for inspecting domain name system flows in a network environment |
US9009293B2 (en) | 2009-11-18 | 2015-04-14 | Cisco Technology, Inc. | System and method for reporting packet characteristics in a network environment |
US9148380B2 (en) | 2009-11-23 | 2015-09-29 | Cisco Technology, Inc. | System and method for providing a sequence numbering mechanism in a network environment |
US8792495B1 (en) | 2009-12-19 | 2014-07-29 | Cisco Technology, Inc. | System and method for managing out of order packets in a network environment |
US8787303B2 (en) | 2010-10-05 | 2014-07-22 | Cisco Technology, Inc. | Methods and apparatus for data traffic offloading at a router |
EP2638662A1 (en) * | 2010-11-11 | 2013-09-18 | McAfee, Inc. | Method and system for fingerprinting operating systems running on nodes in a communication network |
US9003057B2 (en) | 2011-01-04 | 2015-04-07 | Cisco Technology, Inc. | System and method for exchanging information in a mobile wireless network environment |
WO2012158854A1 (en) * | 2011-05-16 | 2012-11-22 | F5 Networks, Inc. | A method for load balancing of requests' processing of diameter servers |
CN102811130A (zh) * | 2011-06-03 | 2012-12-05 | 华为软件技术有限公司 | 策略及计费控制下的重定向方法及重定向装置 |
US8737221B1 (en) | 2011-06-14 | 2014-05-27 | Cisco Technology, Inc. | Accelerated processing of aggregate data flows in a network environment |
US8743690B1 (en) | 2011-06-14 | 2014-06-03 | Cisco Technology, Inc. | Selective packet sequence acceleration in a network environment |
US8948013B1 (en) | 2011-06-14 | 2015-02-03 | Cisco Technology, Inc. | Selective packet sequence acceleration in a network environment |
US8792353B1 (en) | 2011-06-14 | 2014-07-29 | Cisco Technology, Inc. | Preserving sequencing during selective packet acceleration in a network environment |
WO2013059683A1 (en) * | 2011-10-19 | 2013-04-25 | The Regents Of The University Of California | Comprehensive multipath routing for congestion and quality-of-service in communication networks |
CN103379512A (zh) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Wlan网络用户策略分发装置及方法 |
US8943205B2 (en) | 2012-04-25 | 2015-01-27 | Cisco Technology, Inc. | Generalized coordinate system and metric-based resource selection framework |
WO2013189044A1 (zh) * | 2012-06-20 | 2013-12-27 | 华为技术有限公司 | 一种识别网络共享行为的方法、节点、移动终端及系统 |
US8848741B2 (en) * | 2012-06-21 | 2014-09-30 | Breakingpoint Systems, Inc. | High-speed CLD-based TCP segmentation offload |
US8824508B2 (en) | 2012-06-21 | 2014-09-02 | Breakingpoint Systems, Inc. | High-speed CLD-based TCP assembly offload |
CN102932245A (zh) | 2012-10-09 | 2013-02-13 | 中兴通讯股份有限公司 | 一种处理跟踪tacacs+会话的方法及装置 |
US9400811B2 (en) | 2013-07-05 | 2016-07-26 | Juniper Networks, Inc. | Systems and methods for increasing the scalability of software-defined networks |
WO2014173252A1 (zh) * | 2013-07-26 | 2014-10-30 | 中兴通讯股份有限公司 | 会话管理方法、应用功能实体、策略服务器和协议转换器 |
US9386103B2 (en) | 2013-10-04 | 2016-07-05 | Breakingpoint Systems, Inc. | Application identification and dynamic signature generation for managing network communications |
US11350254B1 (en) | 2015-05-05 | 2022-05-31 | F5, Inc. | Methods for enforcing compliance policies and devices thereof |
US20160380900A1 (en) * | 2015-06-26 | 2016-12-29 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for managing traffic received from a client device in a communication network |
CN106549814B (zh) * | 2015-09-17 | 2019-07-23 | 大唐移动通信设备有限公司 | 设备参数有效性的校验方法及设备 |
CN106549793B (zh) | 2015-09-23 | 2020-08-07 | 华为技术有限公司 | 流量控制方法及设备 |
US11757946B1 (en) | 2015-12-22 | 2023-09-12 | F5, Inc. | Methods for analyzing network traffic and enforcing network policies and devices thereof |
US11178150B1 (en) | 2016-01-20 | 2021-11-16 | F5 Networks, Inc. | Methods for enforcing access control list based on managed application and devices thereof |
US10505792B1 (en) | 2016-11-02 | 2019-12-10 | F5 Networks, Inc. | Methods for facilitating network traffic analytics and devices thereof |
US10812266B1 (en) | 2017-03-17 | 2020-10-20 | F5 Networks, Inc. | Methods for managing security tokens based on security violations and devices thereof |
US10594734B1 (en) | 2017-04-21 | 2020-03-17 | Palo Alto Networks, Inc. | Dynamic per subscriber policy enablement for security platforms within service provider network environments |
US10601776B1 (en) * | 2017-04-21 | 2020-03-24 | Palo Alto Networks, Inc. | Security platform for service provider network environments |
US11122042B1 (en) | 2017-05-12 | 2021-09-14 | F5 Networks, Inc. | Methods for dynamically managing user access control and devices thereof |
US11343237B1 (en) | 2017-05-12 | 2022-05-24 | F5, Inc. | Methods for managing a federated identity environment using security and access control data and devices thereof |
US11287985B2 (en) | 2017-05-17 | 2022-03-29 | Seagate Technology Llc | Network data storage buffer system |
FR3067552A1 (fr) * | 2017-06-26 | 2018-12-14 | Orange | Procede de detection de composants media orphelins |
WO2019067132A1 (en) * | 2017-09-29 | 2019-04-04 | Apple Inc. | NOTICES |
CN108401262A (zh) * | 2018-02-06 | 2018-08-14 | 武汉斗鱼网络科技有限公司 | 一种终端应用通信数据获取与分析的方法及装置 |
US10856344B2 (en) * | 2019-03-15 | 2020-12-01 | Hong Kong Applied Science and Technology Research Institute Company Limited | Method and an apparatus for reducing connection set-up time in a communications network |
US11831420B2 (en) | 2019-11-18 | 2023-11-28 | F5, Inc. | Network application firewall |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101039319A (zh) * | 2006-08-20 | 2007-09-19 | 科博技术有限公司 | 一种基于tcp协议实时传输媒体数据的方法 |
CN101188509A (zh) * | 2006-11-15 | 2008-05-28 | 富士通株式会社 | 一种为网络服务提供服务质量保证的方法、系统、程序及可读存储介质 |
US7496662B1 (en) * | 2003-05-12 | 2009-02-24 | Sourcefire, Inc. | Systems and methods for determining characteristics of a network and assessing confidence |
Family Cites Families (193)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU8636391A (en) | 1990-10-10 | 1992-05-20 | British Telecommunications Public Limited Company | Network traffic management |
US5151899A (en) | 1991-02-11 | 1992-09-29 | Digital Equipment Corporation | Tracking sequence numbers in packet data communication system |
US6473793B1 (en) | 1994-06-08 | 2002-10-29 | Hughes Electronics Corporation | Method and apparatus for selectively allocating and enforcing bandwidth usage requirements on network users |
US5898830A (en) | 1996-10-17 | 1999-04-27 | Network Engineering Software | Firewall providing enhanced network security and user transparency |
US5948061A (en) | 1996-10-29 | 1999-09-07 | Double Click, Inc. | Method of delivery, targeting, and measuring advertising over networks |
US6006264A (en) | 1997-08-01 | 1999-12-21 | Arrowpoint Communications, Inc. | Method and system for directing a flow between a client and a server |
US5898713A (en) | 1997-08-29 | 1999-04-27 | Cisco Technology, Inc. | IP checksum offload |
US6608832B2 (en) | 1997-09-25 | 2003-08-19 | Telefonaktiebolaget Lm Ericsson | Common access between a mobile communications network and an external network with selectable packet-switched and circuit-switched and circuit-switched services |
US7237036B2 (en) | 1997-10-14 | 2007-06-26 | Alacritech, Inc. | Fast-path apparatus for receiving data corresponding a TCP connection |
US6829242B2 (en) | 1998-06-30 | 2004-12-07 | Cisco Technology, Inc. | Method and apparatus for associating PVC identifiers with domain names of home gateways |
US6496516B1 (en) | 1998-12-07 | 2002-12-17 | Pmc-Sierra, Ltd. | Ring interface and ring network bus flow control system |
US6554792B2 (en) * | 1999-05-21 | 2003-04-29 | Mallinckrodt Inc. | Suspension device and method |
US6728266B1 (en) * | 1999-12-23 | 2004-04-27 | Nortel Networks Limited | Pricing mechanism for resource control in a communications network |
US6684256B1 (en) | 2000-01-27 | 2004-01-27 | Utstarcom, Inc. | Routing method for mobile wireless nodes having overlapping internet protocol home addresses |
US6654792B1 (en) | 2000-02-28 | 2003-11-25 | 3Com Corporation | Method and architecture for logical aggregation of multiple servers |
US6522880B1 (en) | 2000-02-28 | 2003-02-18 | 3Com Corporation | Method and apparatus for handoff of a connection between network devices |
US6839767B1 (en) | 2000-03-02 | 2005-01-04 | Nortel Networks Limited | Admission control for aggregate data flows based on a threshold adjusted according to the frequency of traffic congestion notification |
US7200863B2 (en) | 2000-05-16 | 2007-04-03 | Hoshiko Llc | System and method for serving content over a wide area network |
US20040015725A1 (en) | 2000-08-07 | 2004-01-22 | Dan Boneh | Client-side inspection and processing of secure content |
JP2002077504A (ja) | 2000-08-28 | 2002-03-15 | Kyocera Mita Corp | プッシュ型スキャナ装置およびその使用方法 |
US6643621B1 (en) | 2000-09-14 | 2003-11-04 | Cisco Technology, Inc. | Methods and apparatus for referencing and processing audio information |
US20070192863A1 (en) | 2005-07-01 | 2007-08-16 | Harsh Kapoor | Systems and methods for processing data flows |
US7454500B1 (en) | 2000-09-26 | 2008-11-18 | Foundry Networks, Inc. | Global server load balancing |
US6922411B1 (en) | 2000-09-29 | 2005-07-26 | Voxeo Corporation | Networked computer telephony system driven by web-based applications |
JP4082858B2 (ja) * | 2000-10-30 | 2008-04-30 | 富士通株式会社 | ネットワークアクセス制御方法及びそれを用いたネットワークシステム及びそれを構成する装置 |
US6917592B1 (en) | 2001-01-22 | 2005-07-12 | 3Com Corporation | LNS high availability and load balancing with LNS-to-LNS state offloading |
US20030097481A1 (en) | 2001-03-01 | 2003-05-22 | Richter Roger K. | Method and system for performing packet integrity operations using a data movement engine |
EP1250022A1 (en) | 2001-04-09 | 2002-10-16 | Lucent Technologies Inc. | Providing quality of service in a telecommunications system such as a UMTS or other third generation system |
US7102996B1 (en) | 2001-05-24 | 2006-09-05 | F5 Networks, Inc. | Method and system for scaling network traffic managers |
US6981029B1 (en) | 2001-07-17 | 2005-12-27 | Cisco Technology, Inc. | System and method for processing a request for information in a network |
US6968389B1 (en) | 2001-07-17 | 2005-11-22 | Cisco Technology, Inc. | System and method for qualifying requests in a network |
US20030028644A1 (en) | 2001-08-02 | 2003-02-06 | Patrick Maguire | System and method for load sharing within a core network |
US7042888B2 (en) | 2001-09-24 | 2006-05-09 | Ericsson Inc. | System and method for processing packets |
ATE372632T1 (de) | 2001-09-27 | 2007-09-15 | Ericsson Telefon Ab L M | Verfahren zum mehrsprung-routing für verteilte wlan-netzwerke |
AU2002343424A1 (en) | 2001-09-28 | 2003-04-14 | Bluesocket, Inc. | Method and system for managing data traffic in wireless networks |
US6829345B2 (en) | 2001-12-21 | 2004-12-07 | Sbc Services, Inc. | Trunk design optimization for public switched telephone network |
US7433969B2 (en) | 2001-12-31 | 2008-10-07 | Redback Networks Inc. | Method and apparatus for representing label switched paths |
US8046581B2 (en) | 2002-03-04 | 2011-10-25 | Telespree Communications | Method and apparatus for secure immediate wireless access in a telecommunications network |
AU2002236125A1 (en) * | 2002-03-04 | 2003-09-16 | Nokia Corporation | Method, network device and system for providing profile data applicable to hypertext transfer protocol (http) |
US8132250B2 (en) | 2002-03-08 | 2012-03-06 | Mcafee, Inc. | Message profiling systems and methods |
US7870203B2 (en) | 2002-03-08 | 2011-01-11 | Mcafee, Inc. | Methods and systems for exposing messaging reputation to an end user |
US7372826B2 (en) | 2002-08-01 | 2008-05-13 | Starent Networks, Corp. | Providing advanced communications features |
US20040054925A1 (en) | 2002-09-13 | 2004-03-18 | Cyber Operations, Llc | System and method for detecting and countering a network attack |
US7472163B1 (en) | 2002-10-07 | 2008-12-30 | Aol Llc | Bulk message identification |
US7792113B1 (en) | 2002-10-21 | 2010-09-07 | Cisco Technology, Inc. | Method and system for policy-based forwarding |
US20040088385A1 (en) | 2002-11-01 | 2004-05-06 | Hexago Inc. | Method and apparatus for connecting IPV4 devices through an IPV6 network using a tunnel setup protocol |
US7219131B2 (en) | 2003-01-16 | 2007-05-15 | Ironport Systems, Inc. | Electronic message delivery using an alternate source approach |
US7525973B1 (en) | 2003-02-04 | 2009-04-28 | Cisco Technology, Inc. | Flexible software-based packet switching path |
US20080261632A1 (en) | 2003-03-19 | 2008-10-23 | Research In Motion Limited | System and Method for Pushing Information from a Host System to a Mobile Data Communication Device in a Wireless Data Network |
US7539186B2 (en) * | 2003-03-31 | 2009-05-26 | Motorola, Inc. | Packet filtering for emergency service access in a packet data network communication system |
JP4520705B2 (ja) | 2003-04-11 | 2010-08-11 | パナソニック株式会社 | 通信システム及び通信方法 |
US20040224678A1 (en) | 2003-05-08 | 2004-11-11 | Starent Networks, Corp. | Reduced latency in half-duplex wireless communications |
US7317693B1 (en) * | 2003-05-12 | 2008-01-08 | Sourcefire, Inc. | Systems and methods for determining the network topology of a network |
US20040236855A1 (en) | 2003-05-23 | 2004-11-25 | Amir Peles | Multi-link tunneling |
WO2005015825A1 (en) | 2003-07-22 | 2005-02-17 | Telefonaktiebolaget Lm Ericsson (Publ) | An arrangement, a node and a method relating to handling of lost/discarded data packets |
US7477644B2 (en) | 2003-07-30 | 2009-01-13 | International Business Machines Corporation | Method and system of efficient packet reordering |
US7606140B2 (en) | 2003-08-28 | 2009-10-20 | Alcatel Lucent | Distributed and disjoint forwarding and routing system and method |
US20050058153A1 (en) | 2003-09-15 | 2005-03-17 | John Santhoff | Common signaling method |
FR2860369B1 (fr) | 2003-09-30 | 2006-02-03 | Cit Alcatel | Localisation de points d'entree de flux dans un reseau de communications |
JP2005117206A (ja) | 2003-10-06 | 2005-04-28 | Hitachi Ltd | ネットワークプロセッサアクセラレータ |
US7478146B2 (en) * | 2003-11-03 | 2009-01-13 | Nokia Corporation | System, apparatus, and method for communicating capabilities of a mobile device |
CN1965564B (zh) | 2003-12-05 | 2010-06-16 | Ut斯达康有限公司 | 在运营设备、服务和位置可移植的不同系统间远程服务转发的方法 |
US7440433B2 (en) | 2003-12-19 | 2008-10-21 | Nortel Networks Limited | Mobile IP notification |
US8155116B2 (en) | 2003-12-22 | 2012-04-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Control of mobile packet streams |
JP4622649B2 (ja) | 2004-04-21 | 2011-02-02 | 日本電気株式会社 | 無線アクセス通信ネットワーク、動的負荷分散装置及びそれらに用いる動的負荷分散方法 |
US20050246346A1 (en) | 2004-04-30 | 2005-11-03 | Gerdes Reiner J | Secured authentication in a dynamic IP environment |
US7584301B1 (en) | 2004-05-06 | 2009-09-01 | Foundry Networks, Inc. | Host-level policies for global server load balancing |
KR100605806B1 (ko) | 2004-06-10 | 2006-08-01 | 삼성전자주식회사 | 모바일 인터넷 프로토콜, 보이스 오버 인터넷 프로토콜, 및 세션 초기화 프로토콜 기반 이동단말기, 세션 초기화 프로토콜 서버, 및 보이스 오버 인터넷 프로토콜 서비스를 위한 라우팅 경로 제어 방법 및 그 시스템 |
US7929442B2 (en) | 2004-06-30 | 2011-04-19 | Intel Corporation | Method, system, and program for managing congestion in a network controller |
GB2416276B (en) | 2004-07-14 | 2009-06-17 | Vodafone Plc | Providing services in communications networks |
US20060018328A1 (en) | 2004-07-23 | 2006-01-26 | Comcast Cable Holdings, Llc | Method and system for powerline networking |
US7984149B1 (en) | 2004-08-04 | 2011-07-19 | Cisco Technology, Inc. | Method and apparatus for identifying a policy server |
US8315170B2 (en) * | 2004-08-09 | 2012-11-20 | Cisco Technology, Inc. | System and method for signaling information in order to enable and disable distributed billing in a network environment |
WO2006024307A1 (en) | 2004-08-28 | 2006-03-09 | Telefonaktiebolaget L M Ericsson (Publ) | An arrangement and a method in communication networks |
US7865944B1 (en) | 2004-09-10 | 2011-01-04 | Juniper Networks, Inc. | Intercepting GPRS data |
JP4709160B2 (ja) * | 2004-10-28 | 2011-06-22 | 日本電信電話株式会社 | サービス不能攻撃検知システムおよびサービス不能攻撃検知方法 |
US20060098573A1 (en) | 2004-11-08 | 2006-05-11 | Beer John C | System and method for the virtual aggregation of network links |
US8458467B2 (en) | 2005-06-21 | 2013-06-04 | Cisco Technology, Inc. | Method and apparatus for adaptive application message payload content transformation in a network infrastructure element |
CA2632579A1 (en) | 2004-12-13 | 2006-06-22 | Coldspark, Inc. | Electronic message delivery system including a network device |
JPWO2006067951A1 (ja) | 2004-12-22 | 2008-06-12 | 松下電器産業株式会社 | アクセス制御装置およびアクセス制御方法 |
WO2006072891A1 (en) | 2005-01-07 | 2006-07-13 | Alcatel Lucent | Method and apparatus for providing route-optimized secure session continuity between mobile nodes |
WO2006090392A2 (en) | 2005-02-24 | 2006-08-31 | Rsa Security Inc. | System and method for detecting and mitigating dns spoofing trojans |
US20060224668A1 (en) | 2005-03-10 | 2006-10-05 | International Business Machines Corporation | Methods and apparatus for efficiently placing stream transforms among broker machines comprising an overlay network in a publish-subscribe messaging system |
US7561867B2 (en) | 2005-03-29 | 2009-07-14 | Current Technologies, Llc | Multi-unit power line communications system and method |
US7532890B2 (en) | 2005-04-01 | 2009-05-12 | Rockliffe Systems | Content-based notification and user-transparent pull operation for simulated push transmission of wireless email |
US7746866B2 (en) | 2005-05-13 | 2010-06-29 | Intel Corporation | Ordered and duplicate-free delivery of wireless data frames |
CN101185299A (zh) | 2005-05-27 | 2008-05-21 | 艾利森电话股份有限公司 | 无线电接入网中的本地交换 |
US20130058274A1 (en) | 2005-06-03 | 2013-03-07 | Wefi Inc. | Method and system for accessing wireless networks |
US7522521B2 (en) | 2005-07-12 | 2009-04-21 | Cisco Technology, Inc. | Route processor adjusting of line card admission control parameters for packets destined for the route processor |
US7693138B2 (en) | 2005-07-18 | 2010-04-06 | Broadcom Corporation | Method and system for transparent TCP offload with best effort direct placement of incoming traffic |
DE202005021930U1 (de) | 2005-08-01 | 2011-08-08 | Corning Cable Systems Llc | Faseroptische Auskoppelkabel und vorverbundene Baugruppen mit Toning-Teilen |
US7856512B2 (en) | 2005-08-26 | 2010-12-21 | Cisco Technology, Inc. | System and method for offloading a processor tasked with calendar processing |
US20070078955A1 (en) * | 2005-09-15 | 2007-04-05 | Xelor Software Pty Ltd | Service quality management in packet networks |
US20070097939A1 (en) | 2005-10-04 | 2007-05-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Automatic configuration of pico radio base station |
US7926071B2 (en) * | 2005-10-20 | 2011-04-12 | Microsoft Corporation | Load balancing interfaces |
US8565070B2 (en) | 2005-11-23 | 2013-10-22 | Cisco Technology, Inc. | System and method for active geographic redundancy |
US8223687B2 (en) | 2005-11-23 | 2012-07-17 | Cisco Technology, Inc. | Method for providing home agent geographic redundancy via a service redundancy protocol |
US8437305B2 (en) | 2005-11-23 | 2013-05-07 | Cisco Technology, Inc. | Method for providing home agent geographic redundancy |
US8086253B1 (en) * | 2005-12-15 | 2011-12-27 | Google Inc. | Graphical mobile e-mail |
CN101406097A (zh) | 2006-02-03 | 2009-04-08 | 诺基亚公司 | 从用户设备向无线网络提供基于阈值的缓冲器状态报告的装置、方法和计算机程序产品 |
US20070208820A1 (en) | 2006-02-17 | 2007-09-06 | Neteffect, Inc. | Apparatus and method for out-of-order placement and in-order completion reporting of remote direct memory access operations |
US7633952B2 (en) | 2006-02-27 | 2009-12-15 | Ciena Corporation | Discovery of physically adjacent neighbor devices using a unidirectional in-band process coupled with an out-of-band follow-up process |
AU2007249647A1 (en) | 2006-03-17 | 2007-11-22 | Camiant, Inc. | Distributed policy services for mobile and nomadic networking |
US7610330B1 (en) | 2006-03-30 | 2009-10-27 | Packeteer, Inc. | Multi-dimensional computation distribution in a packet processing device having multiple processing architecture |
CN101467138B (zh) | 2006-04-17 | 2012-01-11 | 思达伦特网络有限责任公司 | 用于通信本地化的系统和方法 |
US8165086B2 (en) | 2006-04-18 | 2012-04-24 | Kineto Wireless, Inc. | Method of providing improved integrated communication system data service |
US20070271453A1 (en) | 2006-05-19 | 2007-11-22 | Nikia Corporation | Identity based flow control of IP traffic |
US7672264B2 (en) | 2006-06-21 | 2010-03-02 | International Business Machines Corporation | Method of pausing keep-alive messages and roaming for virtual private networks on handheld devices to save battery power |
US7742399B2 (en) | 2006-06-22 | 2010-06-22 | Harris Corporation | Mobile ad-hoc network (MANET) and method for implementing multiple paths for fault tolerance |
US7890636B2 (en) | 2006-06-28 | 2011-02-15 | Cisco Technology, Inc. | Application integrated gateway |
US20080065746A1 (en) | 2006-09-07 | 2008-03-13 | Ace*Comm Corporation | Consumer configurable mobile communication web filtering solution |
US9288276B2 (en) | 2006-11-03 | 2016-03-15 | At&T Intellectual Property I, L.P. | Application services infrastructure for next generation networks including a notification capability and related methods and computer program products |
US8929360B2 (en) | 2006-12-07 | 2015-01-06 | Cisco Technology, Inc. | Systems, methods, media, and means for hiding network topology |
US20080188223A1 (en) | 2007-02-07 | 2008-08-07 | Nokia Corporation | Method, a system and a network element for performing a handover of a mobile equipment |
ATE511276T1 (de) | 2007-04-04 | 2011-06-15 | Research In Motion Ltd | Verfahren und vorrichtung für dynamische dienstqualitätsänderung |
CN101299660B (zh) * | 2007-04-30 | 2010-12-08 | 华为技术有限公司 | 一种执行安全控制的方法、系统及设备 |
US8078515B2 (en) | 2007-05-04 | 2011-12-13 | Michael Sasha John | Systems and methods for facilitating electronic transactions and deterring fraud |
US8090790B2 (en) | 2007-05-30 | 2012-01-03 | Broadcom Corporation | Method and system for splicing remote direct memory access (RDMA) transactions in an RDMA-aware system |
GB2462237B (en) | 2007-06-04 | 2011-11-23 | Fujitsu Ltd | Packet switching system |
EP2176967A4 (en) | 2007-07-14 | 2013-08-14 | Tatara Systems Inc | METHOD AND APPARATUS FOR THE MANAGEMENT OF SIP / IMS FEMTOCELLS |
US8190750B2 (en) | 2007-08-24 | 2012-05-29 | Alcatel Lucent | Content rate selection for media servers with proxy-feedback-controlled frame transmission |
US20090086742A1 (en) | 2007-08-24 | 2009-04-02 | Rajat Ghai | Providing virtual services with an enterprise access gateway |
US8494522B2 (en) | 2007-08-30 | 2013-07-23 | Cellco Partnership | Pico cell home mode operation |
US8219100B2 (en) | 2007-08-31 | 2012-07-10 | Cellco Partnership | Active service redirection for a private femto cell |
KR101441138B1 (ko) | 2007-09-28 | 2014-09-18 | 엘지전자 주식회사 | 무선통신 시스템에서 상향링크 시간 동기 수행 방법 |
CN100586071C (zh) * | 2007-09-30 | 2010-01-27 | 华为技术有限公司 | 获取策略和计费执行功能实体能力的方法及设备 |
US8867378B2 (en) * | 2007-10-05 | 2014-10-21 | Qualcomm Incorporated | Triggering multi-carrier requests |
US20090092136A1 (en) | 2007-10-09 | 2009-04-09 | Broadcom Corporation | System and method for packet classification, modification and forwarding |
US8948749B2 (en) | 2007-10-12 | 2015-02-03 | Qualcomm Incorporated | System and method to facilitate acquisition of access point base stations |
EP2204066B1 (en) | 2007-10-25 | 2017-06-28 | Cisco Technology, Inc. | Interworking gateway for mobile nodes |
US9054882B2 (en) | 2007-10-30 | 2015-06-09 | Cisco Technology, Inc. | System and method for associating an end user for billing in a network environment |
US8305896B2 (en) | 2007-10-31 | 2012-11-06 | Cisco Technology, Inc. | Selective performance enhancement of traffic flows |
US7855982B2 (en) | 2007-11-19 | 2010-12-21 | Rajesh Ramankutty | Providing services to packet flows in a network |
US7885260B2 (en) | 2007-11-20 | 2011-02-08 | Cisco Technology, Inc. | Determining packet forwarding information for packets sent from a protocol offload engine in a packet switching device |
US8443106B2 (en) | 2007-12-21 | 2013-05-14 | Gary Stephen Shuster | Content restriction compliance using reverse DNS lookup |
JP2009152953A (ja) | 2007-12-21 | 2009-07-09 | Nec Corp | ゲートウェイ装置およびパケット転送方法 |
US20090190471A1 (en) | 2008-01-10 | 2009-07-30 | Mahendran Arungundram C | Method and Apparatus for Optimized Session Setup with Network-Initiated QoS Policy Control |
US8942112B2 (en) | 2008-02-15 | 2015-01-27 | Cisco Technology, Inc. | System and method for providing selective mobility invocation in a network environment |
US7990993B1 (en) | 2008-02-20 | 2011-08-02 | Juniper Networks, Inc. | Platform-independent control plane and lower-level derivation of forwarding structures |
US20090215438A1 (en) | 2008-02-23 | 2009-08-27 | Ajay Mittal | Methods for performing transparent callback |
US7930427B2 (en) | 2008-03-03 | 2011-04-19 | Microsoft Corporation | Client-side load balancing |
US8966121B2 (en) | 2008-03-03 | 2015-02-24 | Microsoft Corporation | Client-side management of domain name information |
US7808919B2 (en) | 2008-03-18 | 2010-10-05 | Cisco Technology, Inc. | Network monitoring using a proxy |
US20090262682A1 (en) | 2008-04-18 | 2009-10-22 | Amit Khetawat | Method and Apparatus for Transport of RANAP Messages over the Iuh Interface in a Home Node B System |
US8050270B2 (en) | 2008-04-28 | 2011-11-01 | Futurewei Technologies, Inc. | Transparent bypass and associated mechanisms |
EP2304915A1 (en) | 2008-04-29 | 2011-04-06 | Telefonaktiebolaget LM Ericsson (publ) | Improved intrusion detection and notification |
EP2117201A1 (en) | 2008-05-07 | 2009-11-11 | Alcatel Lucent | Network device and method for local routing of data traffic |
US8179847B2 (en) | 2008-05-13 | 2012-05-15 | At&T Mobility Ii Llc | Interactive white list prompting to share content and services associated with a femtocell |
US8948084B2 (en) | 2008-05-15 | 2015-02-03 | Telsima Corporation | Systems and methods for data path control in a wireless network |
US7899873B2 (en) | 2008-05-20 | 2011-03-01 | At&T Intellectual Property I, L.P. | System and method of controlling a messaging system |
US8339959B1 (en) | 2008-05-20 | 2012-12-25 | Juniper Networks, Inc. | Streamlined packet forwarding using dynamic filters for routing and security in a shared forwarding plane |
WO2009157830A1 (en) | 2008-06-25 | 2009-12-30 | Telefonaktiebolaget L M Ericsson (Publ) | Dynamic payment methods and devices |
US8812377B2 (en) | 2008-06-25 | 2014-08-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Service brokering using domain name servers |
US8363665B2 (en) | 2008-08-04 | 2013-01-29 | Stoke, Inc. | Method and system for bypassing 3GPP packet switched core network when accessing internet from 3GPP UEs using IP-BTS, femto cell, or LTE access network |
US8018866B1 (en) | 2008-08-26 | 2011-09-13 | Juniper Networks, Inc. | Adaptively applying network acceleration services with an intermediate network device |
WO2010045302A1 (en) | 2008-10-14 | 2010-04-22 | Starent Networks, Corp | Flow balancing in communications networks |
ES2663411T3 (es) | 2008-10-15 | 2018-04-12 | Nokia Technologies Oy | Determinación de una interfaz de red para acceder a una red |
US9648488B2 (en) | 2008-10-24 | 2017-05-09 | Alcatel-Lucent Usa Inc. | Methods and systems for providing user information in telecommunications networks |
EP2353337B1 (en) | 2008-11-17 | 2018-10-03 | Cisco Technology, Inc. | Dynamic load balancing in a communication network |
US8447856B2 (en) | 2008-11-25 | 2013-05-21 | Barracuda Networks, Inc. | Policy-managed DNS server for to control network traffic |
US20100174829A1 (en) | 2009-01-06 | 2010-07-08 | Barracuda Networks, Inc | Apparatus for to provide content to and query a reverse domain name system server |
US7929556B2 (en) | 2009-04-29 | 2011-04-19 | Alcatel Lucent | Method of private addressing in proxy mobile IP networks |
US8331384B2 (en) | 2009-05-12 | 2012-12-11 | Cisco Technology, Inc. | System and method for femto coverage in a wireless network |
US8433325B2 (en) | 2009-07-24 | 2013-04-30 | Cisco Technology, Inc. | Access class based picocell |
US8233481B2 (en) | 2009-07-27 | 2012-07-31 | Cisco Technology, Inc. | Access class based picocell policy enforcement |
US8743696B2 (en) | 2009-08-07 | 2014-06-03 | Cisco Technology, Inc. | Mobile transport solution for offloading to an alternate network |
US8248951B2 (en) | 2009-09-11 | 2012-08-21 | At&T Intellectual Property I, Lp | Methods and apparatus to manage bypass paths in an internet protocol (IP) network |
EP2478674A4 (en) * | 2009-09-16 | 2013-09-11 | Ericsson Telefon Ab L M | NODES AND METHODS FOR QOS CONTROL |
GB0916239D0 (en) | 2009-09-16 | 2009-10-28 | Vodafone Plc | Internet breakout in HNB/Femto, UMTS and LTE networks |
WO2011038359A2 (en) | 2009-09-26 | 2011-03-31 | Cisco Technology, Inc. | Providing services at a communication network edge |
US8279776B1 (en) | 2009-10-26 | 2012-10-02 | Sprint Communications Company L.P. | Network address translation based on a reverse domain name service |
US20120224536A1 (en) | 2009-11-10 | 2012-09-06 | Nokia Siemens Networks Oy | Network device in a communication network and method for providing communications traffic breakout |
US9015318B1 (en) | 2009-11-18 | 2015-04-21 | Cisco Technology, Inc. | System and method for inspecting domain name system flows in a network environment |
US9009293B2 (en) | 2009-11-18 | 2015-04-14 | Cisco Technology, Inc. | System and method for reporting packet characteristics in a network environment |
US9148380B2 (en) | 2009-11-23 | 2015-09-29 | Cisco Technology, Inc. | System and method for providing a sequence numbering mechanism in a network environment |
US9503970B2 (en) | 2009-12-04 | 2016-11-22 | Qualcomm Incorporated | Managing a data network connection for mobile communications based on user location |
US8792495B1 (en) | 2009-12-19 | 2014-07-29 | Cisco Technology, Inc. | System and method for managing out of order packets in a network environment |
US8457098B2 (en) | 2010-01-28 | 2013-06-04 | Verizon Patent And Licensing Inc. | Data offloading at wireless node |
US9021072B2 (en) | 2010-01-28 | 2015-04-28 | Verizon Patent And Licensing Inc. | Localized media offload |
US8295284B1 (en) | 2010-02-02 | 2012-10-23 | Cisco Technology, Inc. | Dynamic, conditon-based packet redirection |
US8520615B2 (en) | 2010-03-26 | 2013-08-27 | Juniper Networks, Inc. | Breakout gateway for mobile data traffic |
US8606847B2 (en) | 2010-05-28 | 2013-12-10 | Juniper Networks, Inc. | Application-layer traffic optimization service map updates |
US8472444B2 (en) | 2010-06-30 | 2013-06-25 | Alcatel Lucent | Method and apparatus for handling traffic in a data communication network |
US20120184258A1 (en) | 2010-07-15 | 2012-07-19 | Movik Networks | Hierarchical Device type Recognition, Caching Control & Enhanced CDN communication in a Wireless Mobile Network |
US9204336B2 (en) | 2010-08-17 | 2015-12-01 | Telefonaktiebolaget L M Ericsson (Publ) | Technique of processing network traffic that has been sent on a tunnel |
US8565076B2 (en) | 2010-09-24 | 2013-10-22 | Movik Networks | Destination learning and mobility detection in transit network device in LTE and UMTS radio access networks |
US8787303B2 (en) | 2010-10-05 | 2014-07-22 | Cisco Technology, Inc. | Methods and apparatus for data traffic offloading at a router |
US9003057B2 (en) | 2011-01-04 | 2015-04-07 | Cisco Technology, Inc. | System and method for exchanging information in a mobile wireless network environment |
EP2692092B1 (en) | 2011-03-28 | 2014-12-17 | Citrix Systems Inc. | Systems and methods for tracking application layer flow via a multi-connection intermediary device |
US8948013B1 (en) | 2011-06-14 | 2015-02-03 | Cisco Technology, Inc. | Selective packet sequence acceleration in a network environment |
US8737221B1 (en) | 2011-06-14 | 2014-05-27 | Cisco Technology, Inc. | Accelerated processing of aggregate data flows in a network environment |
US8792353B1 (en) | 2011-06-14 | 2014-07-29 | Cisco Technology, Inc. | Preserving sequencing during selective packet acceleration in a network environment |
US8743690B1 (en) | 2011-06-14 | 2014-06-03 | Cisco Technology, Inc. | Selective packet sequence acceleration in a network environment |
-
2009
- 2009-11-18 US US12/621,066 patent/US9009293B2/en active Active
-
2010
- 2010-10-29 WO PCT/US2010/054834 patent/WO2011062745A1/en active Application Filing
- 2010-10-29 EP EP10779129.5A patent/EP2502387B1/en active Active
- 2010-10-29 CN CN201080051408.1A patent/CN102668458B/zh active Active
-
2015
- 2015-03-16 US US14/658,633 patent/US9825870B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7496662B1 (en) * | 2003-05-12 | 2009-02-24 | Sourcefire, Inc. | Systems and methods for determining characteristics of a network and assessing confidence |
CN101039319A (zh) * | 2006-08-20 | 2007-09-19 | 科博技术有限公司 | 一种基于tcp协议实时传输媒体数据的方法 |
CN101188509A (zh) * | 2006-11-15 | 2008-05-28 | 富士通株式会社 | 一种为网络服务提供服务质量保证的方法、系统、程序及可读存储介质 |
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