CN104871496A - 用于在不同的对等通信群组之间传输数据的方法和装置 - Google Patents

用于在不同的对等通信群组之间传输数据的方法和装置 Download PDF

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CN104871496A
CN104871496A CN201380067664.3A CN201380067664A CN104871496A CN 104871496 A CN104871496 A CN 104871496A CN 201380067664 A CN201380067664 A CN 201380067664A CN 104871496 A CN104871496 A CN 104871496A
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CN104871496B (zh
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大卫·E·豪拉斯
阿波斯陶里斯·K·索尔金茨
德怀特·R·史密斯
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1087—Peer-to-peer [P2P] networks using cross-functional networking aspects
    • H04L67/1091—Interfacing with client-server systems or between P2P systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

公开了用于在不同的对等通信群组(104)之间传输数据的方法和装置。无线设备(102)确定(702)其是否同时连接到多个对等通信群组(104)且在无线设备(102)例示(704)桥接器接口(404)用于在每个对等通信群组(104)之间的通信。无线设备(102)还确定(706)其是否同时连接到至少一个对等通信设备(102)和接入点(202)。在此情形中，无线设备(102)确定(708)接入点(202)是否还包括桥接器接口(412)。如果接入点(202)不包括桥接器接口，无线设备(102)运行(710)在无线设备(102)的桥接器接口(404)用于至少一个对等通信设备(102)和接入点(202)之间的通信。如果接入点(202)包括桥接器接口(412)，无线设备(102)使得(712)桥接器接口(412)在接入点(202)被例示用于至少一个对等通信设备(102)和接入点(202)之间的通信。

Description

用于在不同的对等通信群组之间传输数据的方法和装置
技术领域
本公开一般地涉及无线通信设备，更具体地涉及用于在不同的对等通信群组之间传输数据的方法和装置。
背景技术
大多现代无线设备包括某种形式的对等无线通信。例如，蜂窝电话可以经由蓝牙连接与另一蜂窝电话交换联系人信息或者经由对等Wi-Fi连接(例如无需路由器的802.11Wi-Fi连接)与另一蜂窝电话执行多玩家游戏。
但是，这些对等机制没有有效地缩放到大量设备。试图缩放这些对等机制导致数据分组的无效路由，这导致数据延迟并增加了功耗。
附图说明
图1是示例对等(P2P)邻居的框图。
图2是另一示例对等(P2P)邻居的框图。
图3是示例电子设备的框图。
图4是用于确定设备是否将运行桥接器的示例电子设备的框图。
图5是用于在不同的对等通信群组之间传输数据的示例过程的流程图。
图6是用于在不同的对等通信群组之间传输数据的另一示例过程的流程图。
图7是用于在不同的对等通信群组之间传输数据的又一示例过程的流程图。
图8是用于在不同的对等通信群组之间传输数据的另一示例过程的流程图。
图9是用于确定设备是否将运行桥接器以便利在不同的对等通信群组之间传输数据的示例过程的流程图。
图10是用于确定桥接器利用什么接口的示例过程的流程图。
具体实施方式
简单地说，在特定实施例中，蜂窝电话或其他计算设备确定是否经由Wi-Fi同时连接到两个不同的对等(P2P)Wi-Fi群组所有者。如果是，蜂窝电话例示电话中的TRILL RBridge接口以便利每个或分立对等Wi-Fi群组之间的通信。蜂窝电话还确定是否同时连接到至少一个其他对等W-Fi设备(例如另一蜂窝电话)和Wi-Fi路由器。在这样的情形下，蜂窝电话确定Wi-Fi路由器是否还包括TRILL RBridge接口。如果Wi-Fi路由器不包括TRILL RBridge接口，蜂窝电话例示/运行其本地TRILL RBridge接口以便在另一对等Wi-Fi设备与Wi-Fi路由器之间的通信。如果Wi-Fi路由器不包括TRILL RBridge接口，蜂窝电话使得在Wi-Fi路由器处的TRILL RBridge接口被例示以便在另一对等Wi-Fi设备与Wi-Fi路由器之间的通信。在其他特征之中，无线设备能够彼此发现，并且以消耗非常少的功率且有效缩放的方式动态地形成非常大的对等群组。
更一般地，公开了用于在不同的对等通信群组之间传输数据的方法和装置。在实施例中，无线设备确定其是否同时连接到多个对等通信群组并且例示无线设备处的桥接器接口以用于在每个对等通信群组之间的通信。无线设备还确定其是否同时连接到至少一个对等通信设备和接入点。在这样的情形中，无线设备确定接入点是否还包括桥接器接口。如果接入点不包括桥接器接口，无线设备例示/运行在无线设备处的桥接器接口以用于在至少一个对等通信设备和接入点之间的通信。如果接入点包括桥接器接口，无线设备使得接入点处的桥接器接口例示以用于在至少一个对等通信设备和接入点之间的通信。
在实施例中，射频收发机操作地耦合到控制器(例如，微处理器所控制的802.11收发机)。控制器被构造为经由第一对等群组所有者连接到第一对等通信群组(例如，经由充当群组所有者的另一无线设备连接到第一Wi-Fi对等通信群组)。控制器还构造为经由第二对等群组所有者连接到第二不同的对等通信群组(例如，经由充当另一群组所有者的又一无线设备连接到第二Wi-Fi对等通信群组)。控制器还被构造为动态地确定例示桥接器接口以在第一对等通信群组和第二对等通信群组之间传输数据(例如运行TRILL RBridge以将两个分立的对等群组连接成为对等“邻居”)。控制器还被构造为基于业务分类来过滤第一对等通信群组和第二对等通信群组之间的对等业务(例如，将对等业务限制到该对等邻居)。
在一个示例中，第一对等通信群组中的多个设备和第二对等通信群组中的第二不同的多个设备每个是相同的网际协议(IP)子网的成员。在一个示例中，控制器被构造为通过连接到Wi-Fi对等通信群组所有者来连接到第一对等通信群组。在一个示例中，控制器被构造为通过例示多个链路(TRILL)路由桥接器(RBridge)接口的透明互连来例示桥接器接口。
现在转到附图，图1中图示了示例对等(P2P)邻居系统100的某些元素的框图。图示的系统100包括多个对等(P2P)群组104中的多个无线设备102(例如蜂窝电话、便携计算机、电视、相机等等)。每个对等群组104典型地包括充当对等群组所有者102a、102c和102f的一个无线设备102a、102c和102f以及作为对等(P2P)客户端的一个或多个其他无线设备102。每个对等群组所有者102a、102c和102f如同用于该对等群组104中的客户端的接入点(例如，802.11Wi-Fi路由器)那样工作，即使在本示例中，每个对等群组所有者102a、102c和102f不具有到网络基础设施的直接连接。
对等群组104可以经由一个或多个无线设备102无线连接到一个或多个其他对等群组104。在这样的情形中，连接对等群组104的无线设备102操作桥接器。例如，连接无线设备102可以操作RBridge。操作桥接器的无线设备102可以是对等群组所有者和/或客户端。
图1中所示的示例包括三个对等群组104a、104b和104c。对等群组104a包括对等群组所有者102a和两个对等客户端102b和102c。对等群组104b包括对等群组所有者102c和两个对等客户端102d和102e。无线设备102c是群组104a的客户端和群组104b的所有者。对等群组104c包括对等群组所有者102f和两个对等客户端102g和102e。无线设备102e是群组104b的客户端和群组104c的客户端。
群组所有者102a运行RBridge，其形成群组104a和群组104b之间的连接的一侧。群组所有者102c运行另一RBridge，其形成群组104a和群组104b之间的连接的另一侧。客户端102e运行RBridge，其形成群组104b和群组104c之间的连接的一侧。群组所有者102f运行另一RBridge，其形成群组104b和群组104c之间的连接的另一侧。
共同地，直接和/或间接地通过桥接器102a、102c、102e和102f连接的这些对等群组104形成网络“邻居”。邻居中的任何无线设备102可以与邻居中的任何其他无线设备102通信。例如，无线设备102b可以发送消息到无线设备102g。在这个示例中，消息从无线设备102b行进到无线设备102a。充当群组所有者和桥接器的无线设备102a确定消息的目的地不在群组104a中。因此，无线设备102a将消息转发到无线设备102c。充当群组所有者和桥接器的无线设备102c确定消息的目的地不在群组104b中。因此，无线设备102c将消息转发到无线设备102e。无线设备102e不是群组所有者。因此，无线设备102e将消息转发到无线设备102f。充当群组所有者和桥接器的无线设备102f确定消息的目的地在群组104c中。因此，无线设备102f将消息转发到其最终目的地，无线设备102g。
图2中图示了另一示例对等(P2P)邻居系统100的某些元素的框图。如同示例系统100(包括为示例系统200的子集)，示例系统200包括多个对等(P2P)群组104中的多个无线设备102(例如，蜂窝电话、便携计算机、电视、相机等等)。再次地，每个对等群组104典型地包括充当对等群组所有者102a、102c和102f的一个无线设备102a、102c和102f和作为对等(P2P)客户端的一个或多个其他无线设备102。每个对等群组所有者102a、102c和102f如同用于该对等群组104中的客户端的接入点(例如，802.11Wi-Fi路由器)那样工作。
此外，在这个示例中，每个对等群组所有者102a、102c和102f具有到接入点202的无线连接，其进而具有到网络基础设施204的直接连接。网络基础设施204可以是任何适当的网络基础设施204，诸如互联网和/或某些其他有线和/或无线数据网络，包括但不限于任何适当的广域网或局域网。
如上参考图1所述的，每个对等群组104可以经由一个或多个无线设备102无线连接到一个或多个其他对等群组104。在这样的情形中，连接对等群组104的无线设备102操作桥接器。例如，连接无线设备102可以操作RBridge。操作桥接器的无线设备102可以是对等群组所有者和/或客户端。
此外，每个对等群组104可以经由接入点202和网络基础设施204连接到一个或多个其他对等群组104。在这样的情形中，连接群组104到接入点202的无线设备102可以操作桥接器或者接入点202可以操作桥接器。例如，无线设备102和/或接入点202可以操作RBridge。
共同地，直接和/或间接通过无线设备102、接入点202和/或网络基础设施204连接的这些对等群组104形成网络“邻居”。邻居中的任何无线设备102可以与邻居中的任何其他无线设备102通信。例如，无线设备102b可以发送消息到无线设备102h。在这个示例中，消息从无线设备102b行进到无线设备102a。充当群组所有者和桥接器的无线设备102a确定消息的目的地不在群组104a中。因此，无线设备102a将消息转发到接入点202a。接入点202a通过网络基础设施204将消息转发到接入点202c。充当桥接器的接入点202c确定消息的目的地在群组104d中。因此，接入点202c将消息转发到其最终目的地，无线设备102h。
图1和图2中所图示的每个设备(例如无线设备102和/或接入点204)可以包括诸如微处理器、存储器、外围设备等等的许多电子设备的某些共同方面。图3中图示了示例电子设备300的某些元素的框图。示例电子设备300包括主单元302，其如果需要可以包括通过地址/数据总线306电耦合到一个或多个存储器308、其他计算机电路310和一个或多个接口电路312的一个或多个物理处理器304。处理器304可以是任何适当的处理器或多个处理器。例如，电气设备300可以包括中央处理单元(CPU)和/或图形处理单元(GPU)。在一些实施例中，物理处理器304由执行多个虚拟处理器和/或虚拟机器的超级管理器管理。
存储器308可以包括各种类型的非瞬时存储器，包括易失性存储器和/或非易失性存储器，诸如但不限于分布式存储器、只读存储器(ROM)、随机存取存储器(RAM)等等。存储器308典型地存储软件程序，其与系统中的其他设备交互，如这里所述。这个程序可以以任何适当的方式由处理器304执行。存储器308还可以存储从服务器检索的和/或经由输入设备314加载的指示文档、文件、程序、网页等等的数字数据。
接口电路312可以使用任何适当的接口标准、诸如以太网接口和/或通用串行总线(USB)接口来实现。一个或多个输入设备314可以连接到接口电路312，用于将数据和命令输入到主单元302。例如，输入设备314可以是键盘、鼠标、触摸屏、轨迹板、isopoint、相机、语音识别系统、加速计、全球定位系统(GPS)和/或任何其他适当的输入设备。
一个或多个显示器、打印机、扬声器、监视器、电视、高清电视和/或其他适当的输出设备316还可以经由接口电路312连接到主单元302。显示器316可以是阴极射线管(CRT)、液晶显示器(LCD)、电子墨水(e-ink)和/或任何其他适当类型的显示器。显示器316生成在操作设备300期间生成的数据的视觉显示。例如，显示器316可以用于显示网页和/或从服务器106和其他设备接收到的其他内容。视觉显示可以包括对人类输入的提示、运行时间统计、计算值、数据等等。
一个或多个存储设备318还可以经由接口电路312连接到主单元302。例如，硬盘驱动器、CD驱动器、DVD驱动器和/或其他存储设备可以连接到主单元302。存储设备318可以存储设备300所使用的任何类型的数据。
电气设备300还可以经由到网络110的连接来与其他网络设备322交换数据。网络连接可以是任何类型的网络连接，诸如以太网连接、数字订户线(DSL)、电话线、同轴电缆、无线基站330等等。系统100的用户114可能需要向服务器106注册。在这样的情形，每个用户114可以选择用户标识符(例如电子邮件地址)和密码，其可以是激活服务所需要的。用户标识符和密码可以使用构建到用户浏览器中的加密来跨网络110传递。替选地，用户标识符和/或密码可以由服务器106指派。
在一些实施例中，设备300可以是无线设备300。在这样的情形中，设备300可以包括一个或多个天线324，其连接到一个或多个射频(RF)收发机326。收发机326可以包括一个或多个接收机和一个或多个发射机，其工作在相同和/或不同频率上。例如，设备300可以包括蓝牙收发机316、Wi-Fi收发机316以及分集蜂窝收发机316。收发机326允许设备300与诸如电话、相机、监视器、电视和/或高清电视的其他无线设备328交换信号，诸如语音、视频和数据。例如，设备300可以直接和/或经由基站330发送和接收无线电话信号、文本消息、音频信号和/或视频信号。与每个接收机相关联的接收信号强度指示(RSSI)生成对由设备300接收的每个信号的相对强度或弱度的指示。
图4中图示了用于确定设备是否将运行桥接器的示例电子设备400的某些元素的框图。电子设备400可以用硬件或硬件和执行软件的硬件的组合来实现。在一个实施例中，电子设备400包括执行软件的CPU。其他适当的硬件包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)和/或数字信号处理器(DSP)。
示例电子设备400包括操作地耦合到第一桥接器接口404的同时P2P连接检测器402。在示例中，第一桥接器接口404在无线设备102中。如果同时P2P连接检测器402确定电子设备400同时连接到两个或更多P2P连接，同时P2P连接检测器402使得电子设备400例示第一桥接器接口404。例如，如果诸如蜂窝电话的无线设备102确定其与充当P2P群组所有者的两个不同的其他无线设备102相关联，则无线设备102运行RBridge。
示例电子设备400还包括同时P2P/接入点检测器406和接入点桥接器接口检测器408。同时P2P/接入点检测器406和接入点桥接器接口检测器408操作地耦合到与门410。与门410操作地耦合到第二桥接器接口412。在示例中，第二桥接器接口404在接入点202中。
如果同时P2P/接入点检测器406指示电子设备400同时连接到P2P连接和接入点202，且接入点桥接器接口检测器408指示接入点202包括桥接器接口，则电子设备400使得第二桥接器接口404被例示。例如，如果无线设备102确定其与充当P2P群组所有者的另一无线设备102相关联，同时无线设备102与能够运行RBridge接口的接入点202相关联，则无线设备102使得接入点202运行RBridge接口。
如果同时P2P/接入点检测器406不指示电子设备400同时连接到P2P连接和接入点202，或者接入点桥接器接口检测器408不指示接入点202包括桥接器接口，则电子设备400不使得第二桥接器接口404被例示。例如，如果无线设备102确定其不与充当P2P群组所有者的另一无线设备102相关联，或者无线设备102确定其不与能够运行RBridge接口的接入点202相关联，则无线设备102不试图使得接入点202运行RBridge接口。
在图5中图示了用于在不同的对等通信群组之间传输数据的示例过程500的流程图。过程500可以由诸如执行软件的CPU的一个或多个适当编程的处理器执行(例如图3中的块304)。过程500还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他适当的硬件。尽管参考图5中所图示的流程图来描述过程500，将认识到，可以使用执行与过程500相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
通常，数据分组在不同的对等通信群组之间使用RBridge传输。更具体地，过程500在第一RBridge确定数据分组目的地在其本地P2P群组104之外时开始(块502)。例如，在图2中，P2P群组所有者和RBridge 102a确定数据分组目的地在其本地P2P群组104a之外。作为响应，第一RBridge将数据分组转发到第二RBridge(块504)。例如，RBridge 102a经由接入点202a和网络204将数据分组转发到接入点和RBridge 202c。
当第二RBridge接收数据分组时，第二RBridge确定数据分组目的地在其本地P2P群组104之内(块506)。例如，RBridge 202c确定数据分组目的地在其本地P2P群组104d之内。因此，第二RBridge将数据分组转发到本地P2P群组104内的其目的地。例如，RBridge 202c将数据分组转发到无线设备102h。
在图6中图示了用于在不同的对等通信群组之间传输数据的另一示例过程600的流程图。过程600可以由诸如执行软件的CPU的一个或多个适当编程的处理器(例如图3的块304)执行。过程600还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他适当的硬件。尽管参考图6中所图示的流程图来描述过程600，将认识到，可以使用执行与过程600相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
通常，无线设备102经由两个不同的对等群组所有者102/202连接到两个不同的对等通信群组104。无线设备102然后例示在两个通信群组104之间的桥接器接口并且使用桥接器接口来基于业务分类而路由和过滤在两个通信群组之间的对等业务。
更具体地，过程600在无线设备102经由第一对等群组所有者102/202连接到第一对等通信群组104时开始(块602)。例如，在图2中，无线设备102e经由对等群组所有者102c连接到对等通信群组104b。无线设备102还经由第二对等群组所有者102/202连接到第二对等通信群组104(块604)。例如，无线设备102e还经由对等群组所有者102f连接到对等通信群组104c。
一旦无线设备102连接到两个或更多不同的对等通信群组104，无线设备102例示第一对等通信群组104和第二对等通信群组104之间的桥接器接口(块606)。例如，无线设备102e例示对等通信群组104b和对等通信群组104c之间的TRILL RBridge接口。无线设备102然后使用桥接器接口以基于业务分类来路由和过滤第一对等通信群组和第二对等通信群组之间的对等业务(块608)。例如，运行在群组104b和群组104c之间的RBridge的无线设备102e可以允许本地业务路由，但是过滤网络基础设施业务。
在图7中图示了用于在不同的对等通信群组之间传输数据的又一示例过程700的流程图。过程700可以由一个或多个适当编程的处理器、诸如执行软件的CPU(例如图3的块304)执行。过程700还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他适当的硬件。尽管结合图7中所图示的流程图来描述过程700，但将认识到，可以使用执行与过程700相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
通常，无线设备102确定其是否同时连接到多个对等通信群组104并且在无线设备102处例示桥接器接口(例如TRILL RBridge)用于在每个对等通信群组104之间的通信。无线设备102还确定其是否同时连接到至少一个对等通信设备和接入点202。在这样的情形下，无线设备102确定接入点202是否也包括桥接器接口。如果接入点202不包括桥接器接口，无线设备102在无线设备102例示/运行桥接器接口用于在至少一个对等通信设备102和接入点202之间的通信。如果接入点202包括桥接器接口，无线设备102使得桥接器接口在接入点202例示用于至少一个对等通信设备102和接入点202之间的通信。
更具体地，过程700开始于无线设备102确定其是否同时连接到多个对等通信群组104时(块702)。例如，无线设备102e确定其是否同时连接到对等通信群组104b和对等通信群组104c。如果无线设备102同时连接到多个对等通信群组102，无线设备102例示多个对等通信群组104中的每个对等通信群组104之间的第一桥接器接口，第一桥接器接口在无线设备102处(块704)。例如，无线设备102e运行TRILL RBridge。
无线设备102随后确定无线设备102是否同时连接到至少一个对等通信设备和接入点202(块706)。在一个示例中，无线设备102e连接到对等通信设备102c和102f。但是，无线设备102e不连接到接入点202。在另一示例中，无线设备102f连接到对等通信设备102e和102g，且无线设备102f也连接到接入点202b。
作为可以如何改变许多操作的次序的示例，在确定无线设备102是否同时连接到多个对等通信群组104(块702)之前、之后、同时、或基本同时，无线设备102可以确定无线设备102是否同时连接到至少一个对等通信设备和接入点202(块706)。因此，在例示另一桥接器接口之前、之后、同时或基本同时，无线设备102可以例示一个桥接器接口。
无线设备102然后确定接入点202是否包括第二桥接器接口(块708)。例如，无线设备102f确定接入点202b是否具有RBridge能力。如果(i)无线设备102同时连接到至少一个对等通信设备102和接入点202，以及(ii)接入点202不包括第二桥接器接口，无线设备102例示至少一个对等通信设备102和接入点202之间的第一桥接器接口(块710)。例如，无线设备102f本地运行TRILL RBridge，因为接入点202b不支持RBridge。
如果(i)无线设备102同时连接到至少一个对等通信设备102和接入点202，和(ii)接入点202包括第二桥接器接口，无线设备102例示无线设备102和网络基础设施204之间的第二桥接器接口(块712)。例如，如果接入点202b包括如接入点202c的RBridge，无线设备102f将不运行RBridge。而是，将使用接入点202b中的理论上的RBridge，以保存无线设备102f的电池寿命。
在图8中图示了用于在不同的对等通信群组之间传输数据的又一示例过程800的流程图。过程800可以由一个或多个适当编程的处理器、诸如执行软件的CPU(例如图3的块304)执行。过程800还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他合适硬件。尽管参考图8中所图示的流程图来描述过程800，但将认识到，可以使用执行与过程800相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
过程800开始于接入点202广播指示来自接入点202的对等群组所有者功能的消息时(块802)。在示例中，802.11无线路由器通过设置P2P能力中的RBridge使能位、设备能力位图，广播指示其支持TRILL RBridge的消息。接入点202然后例示第一无线设备102和网络基础设施204之间的桥接器接口(块804)。例如，802.11无线路由器运行无线电话和互联网之间的TRILL RBridge。接入点202然后从不直接与接入点202相关联的第二不同的无线设备102过滤对等业务(块806)。例如，802.11无线路由器使用TRILL业务过滤器以限制互联网接入到通过P2P连接间接连接到接入点202的无线设备102。
在图9中图示了用于确定设备是否将运行桥接器的示例过程900的流程图。过程900可以由一个或多个适当编程的处理器、诸如执行软件的CPU(例如图3的块304)执行。过程900还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他适当的硬件。尽管参考图9中所图示的流程图来描述过程900，但将认识到，可以使用执行与过程900相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
过程900开始于无线设备102确定无线设备102是否同时连接到两个或更多P2P群组104时(块902)。如果无线设备102同时连接到两个或更多P2P群组104，无线设备102运行桥接器接口(块904)。例如，如果诸如蜂窝电话的无线设备102确定其与充当P2P群组所有者的两个不同的其他无线设备102相关联，无线设备102运行RBridge。
如果无线设备102没有同时连接到两个或更多个P2P群组104，无线设备102确定无线设备102是否与P2P群组104和接入点202相关联(块906)。如果无线设备102没有同时与P2P群组104和接入点202相关联，无线设备102不运行桥接器接口(块908)。
如果无线设备102同时与P2P群组104和接入点202相关联，无线设备102确定其是否能够协商使接入点202运行桥接器接口(块910)。如果接入点202要运行桥接器，无线设备102不运行桥接器(块912)。如果接入点202不要运行桥接器，则替代地无线设备102运行桥接器(块914)。
在图10中图示了用于确定桥接器利用什么接口的示例过程1000的流程图。过程1000可以由一个或多个适当编程的处理器、诸如执行软件的CPU(例如图3的块304)执行。过程1000还可以由硬件或硬件和执行软件的硬件的组合来执行。适当的硬件可包括一个或多个专用集成电路(ASIC)、状态机、现场可编程门阵列(FPGA)、数字信号处理器(DSP)和/其他适当的硬件。尽管参考图10中所图示的流程图来描述过程500，但将认识到，可以使用执行与过程1000相关联的动作的许多其他方法。例如，许多操作的次序可以改变，所述的一些操作可以是可选的。
过程1000开始于桥接器接口(例如RBridge)确定其是否连接到接入点202时(块1002)。如果桥接器接口连接到接入点202，桥接器使用基础设施接口(块1004)。但是，如果桥接器接口没有连接到接入点202，桥接器使用Wi-Fi P2P接口(块1006)。
综上所述，本领域普通技术人员将容易认识到，已经提供了用于在不同的对等通信群组之间传输数据的方法和装置。在其他特征中，使用所公开的方法和装置的无线设备能够互相发现并且以消耗非常少的功率且有效缩放的方式动态地形成非常大的对等群组。
出于图示和描述的目的呈现了前述描述。不旨在穷尽或限制发明到所公开的示例实施例。根据上述教导，许多修改和变形都有可能。旨在本发明的范围不受该示例的详细描述的限制，而由所附权利要求来限制。

Claims (8)

1.一种在不同的对等通信群组(104)之间传输数据的方法(700)，所述方法(700)包括：
确定(702)无线设备(102)是否同时连接到多个对等通信群组(104)；
如果所述无线设备(102)同时连接到所述多个对等通信群组(104)，则例示(704)第一桥接器接口(404)以在所述多个对等通信群组(104)中的每个对等通信群组(104)之间传输数据，所述第一桥接器接口(404)在所述无线设备(102)处；
确定(706)所述无线设备(102)是否同时连接到至少一个对等通信设备(102)和接入点(202)；
确定(708)所述接入点(202)是否包括第二桥接器接口(412)；以及
如果(i)所述无线设备(102)同时连接到所述至少一个对等通信设备(102)和所述接入点(202)以及(ii)所述接入点(202)不包括所述第二桥接器接口，则例示所述第一桥接器接口(404)以在所述至少一个对等通信设备(102)和所述接入点(202)之间传输数据。
2.如权利要求1所述的方法，进一步包括：如果(i)所述无线设备同时连接到所述至少一个对等通信设备和所述接入点以及(ii)所述接入点包括所述第二桥接器接口，则例示所述第二桥接器接口以在所述无线设备和网络基础设施之间传输数据。
3.如权利要求2所述的方法，其中，例示所述第二桥接器接口包括例示多个链路路由桥接器接口的透明互连。
4.如权利要求2所述的方法，其中，所述接入点被指派至少两个网际协议地址。
5.如权利要求1所述的方法，其中，确定所述接入点是否包括所述第二桥接器接口包括从接入点接收指示对等群组所有者功能的消息。
6.如权利要求5所述的方法，其中，确定所述接入点是否包括所述第二桥接器接口包括访问所述接入点所设置的RBridge使能位。
7.如权利要求1所述的方法，其中，所述多个对等通信群组中的多个设备中的每一个是相同网际协议子网的成员。
8.如权利要求1所述的方法，其中，所述多个对等通信群组包括Wi-Fi对等通信群组。
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