WO2015120736A1 - 能够实现多设备协同的智能设备与多设备协同工作方法 - Google Patents

能够实现多设备协同的智能设备与多设备协同工作方法 Download PDF

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Publication number
WO2015120736A1
WO2015120736A1 PCT/CN2014/093482 CN2014093482W WO2015120736A1 WO 2015120736 A1 WO2015120736 A1 WO 2015120736A1 CN 2014093482 W CN2014093482 W CN 2014093482W WO 2015120736 A1 WO2015120736 A1 WO 2015120736A1
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service
smart device
service capability
smart
capability information
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PCT/CN2014/093482
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English (en)
French (fr)
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王劲林
桓自强
胡琳琳
郭志川
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中国科学院声学研究所
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Priority to BR112016018106-9A priority Critical patent/BR112016018106B1/pt
Priority to EP14882363.6A priority patent/EP3091712B1/en
Publication of WO2015120736A1 publication Critical patent/WO2015120736A1/zh

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    • 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
    • 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
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering 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
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/306—User profiles
    • 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
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services

Definitions

  • the present invention relates to the field of communications, and in particular, to a smart device and a multi-device cooperative working method capable of implementing multi-device cooperation.
  • the digital home-oriented products that have been launched on the market are mainly focused on multi-screen interactive functions.
  • the so-called multi-screen interaction refers to the sharing and interoperation of multimedia content between different terminal devices through a network connection.
  • the multi-screen interactive function focuses on the sharing of play resources and display resources between devices, and can not fully utilize the various resource services of the digital home internal smart devices; at the application presentation level, it is mainly reflected in the application level, and cannot enhance all The user experience of the app.
  • the object of the present invention is to overcome the defects that the smart device in the same local area network cannot fully realize resource sharing in the prior art, thereby providing a smart device and multi-device cooperative working method capable of implementing multi-device cooperation.
  • the present invention provides a smart device capable of implementing multi-device collaboration, including an application execution engine; the application execution engine includes a service abstraction and publishing module, a service aggregation module, a task decomposition, and a service scheduler; ,
  • the service abstraction and publishing module abstracts, classifies, and quantifies the service capabilities that the smart device can provide, obtains service capability information about the service capabilities, and publishes the service capability information; the service aggregation module is from the network. Receiving and saving service capability information published by other smart devices; when the application on the smart device is executed, the task decomposition and the service scheduler split the tasks related to the application to be executed, and obtain the tasks required to execute the application.
  • the information is distributed to the network, and the service aggregation module of the other smart device updates the information of the service capability that the smart device stored by itself can provide according to the received information of the occupied service capability.
  • the present invention also provides a multi-device cooperative working method implemented based on the smart device, including:
  • Step 1) abstract, classify, and quantify the service capabilities that the newly added smart device can provide, and obtain the service capability information; wherein the abstraction includes mapping the service capability of the smart device to standard operations; The classification includes classifying the service capabilities of the smart device; the quantification includes marking the service capabilities;
  • Step 2) publishing the service capability information obtained in step 1) and the IP address of the smart device to other smart devices already in the network;
  • Step 3 After the smart device in the network monitors the service capability information published by the other smart device, parsing the service capability information and saving the information;
  • Step 4 When an intelligent device executes an application, the application to be executed is decomposed into a series of services, and then the corresponding service capabilities are scheduled from the service capability information stored by the smart device according to the requirements of the services;
  • Step 5 The intelligent device occupying the service capability sends the service capability occupation information to the other smart devices, and the other smart devices update the service capability information stored by the smart device.
  • the service capability information and the IP address of the smart device are distributed to other smart devices already in the network in the form of multicast or broadcast.
  • the step 2) includes: when the smart device joins the network, the service capability information and the IP address of the smart device are sent in multicast form, and then the service capability information and the smart device IP address are sent every 60 seconds. Broadcast message.
  • the quantification of the service capability includes:
  • Quantify the download service as: the maximum number of download tasks that can be parallelized, and the maximum bandwidth that can be utilized;
  • Quantify the storage service to: the size of the storage space
  • the playback service is quantized as: the maximum number of playback tasks that can be parallelized, and the playback format support type;
  • the decoding service is quantized into: the number of decoders, the supported decoding types;
  • the display service is quantified as: whether there is a display interface, and the resolution of the display interface.
  • the multi-device collaborative manner enables the application execution engine of a single smart device to utilize the service capabilities of multiple devices in the local area network, thereby expanding the service capability of the application execution engine and improving the user experience while being transparent to the user;
  • FIG. 1 is a schematic diagram of a working scenario of a smart device capable of implementing multi-device cooperation according to the present invention
  • FIG. 2 is a schematic diagram of a location of an application execution engine in a smart device in a smart device capable of implementing multi-device cooperation according to the present invention
  • FIG. 3 is a flow chart showing the operation of the multi-device cooperative working method of the present invention.
  • a plurality of smart devices are connected in a local area network, and the smart devices may be any one of a smart TV, a smart phone, a personal computer, or a tablet. These smart devices are capable of running applications on the smart device using the service capabilities provided by other smart devices in the local area network.
  • the smart device of the present invention includes an application execution engine; see FIG. 1 and FIG. 2, the application execution engine includes a service abstraction and publishing module, a service aggregation module, a task decomposition, and a service scheduler.
  • the service abstraction and publishing module abstracts, classifies, and quantifies the service capabilities that the smart device can provide, obtains information about the service capabilities, and publishes the information; the service aggregation module is from the network. Receiving and saving service capability information published by other smart devices; when the application on the smart device is executed, the task decomposition and the service scheduler split the tasks related to the application to be executed, and obtain the tasks required to execute the application.
  • the information is distributed to the network, and the service aggregation module of the other smart device updates the information of the service capability that the smart device stored by itself can provide according to the received information of the occupied service capability.
  • the location of the application execution engine in the smart device is described.
  • the application execution engine is under the physical device layer of the smart device and various specific applications; the application execution engine performs task decomposition on a certain application to be executed, and then decomposes according to the task.
  • the corresponding service capabilities are scheduled, which may be provided by local smart devices or by other smart devices in the network.
  • FIG. 3 is a flowchart of implementing multi-device collaborative work by the smart device of the present invention, including:
  • Step 301 the new smart device joins the local area network, and accesses the home network in a wired or wireless manner according to the device type, such as a smart phone, a tablet computer, a laptop computer, and a wireless (wifi) access, and a desktop computer and a smart TV.
  • the device type such as a smart phone, a tablet computer, a laptop computer, and a wireless (wifi) access, and a desktop computer and a smart TV.
  • Devices such as smart routers are usually accessed in a wired manner.
  • Step 302 abstracting, classifying, and quantifying the service capabilities, and obtaining service capability information for describing the service capabilities.
  • Service capability abstraction is a standardized operation of smart devices on their external capabilities, and is an agreement between service providers and service users. Take the download service as an example, you can agree on the following standard operations:
  • the smart device performs mapping of its own service capability to standard operation, thereby abstracting the service capability into a standard interface.
  • the classification of service capabilities is a classification of smart device service capabilities, such as downloading services, storage services, playback services, decoding services, and display services.
  • the quantification of service capabilities is a mark of the digitization of various service capabilities. Take the service capabilities of a certain smart phone device as an example: it provides three kinds of external services, such as download service, display service and broadcast service, which can be quantified as follows:
  • Download service Maximum support for 5 download tasks in parallel, maximum download rate 1Mb/s
  • Playback service number of parallel tasks (2), support type (mp3/mp4/avi).
  • Step 303 publishing the service capability information and the IP address of the smart device.
  • the service capability information and the IP address are sent to the newly added smart device to send the service capability information and the IP address to other devices in the LAN in the form of multicast or broadcast.
  • a recommended way is to send the broadcast message twice in multicast mode and then send the broadcast message every 60s to prevent the service from being discovered.
  • the transmitted message is the quantized representation structure of the service capability in step 302, which is represented here in json format:
  • Step 304 The smart device enters the listening state, and the smart device that has joined the local area network monitors the multicast and the device at any time. Broadcast message.
  • Step 305 The received message is parsed, and the smart phone service message of step 302 is received as an example, and the information represented by the json format in step 303 is received. Through parsing, you can restore the download service, display service, and playback service, as well as the parameters attached to each service.
  • Step 306 Update the service capability information stored in the service aggregation module of the smart device by using the information of the services parsed in step 305.
  • the service aggregation module stores all service capability information in the current local area network in the form of a database or a file.
  • the json format file is still taken as an example:
  • the original all_services.json file is as follows:
  • the updated all_services.json file is as follows:
  • Steps 307-308 when the application execution engine executes the application, the application on the application is decomposed, and the application is decomposed into a series of services.
  • the following services are used:
  • Step 309 According to the service requirement obtained by the application decomposition, the scheduler dispatches the corresponding service capability from the service capability information stored in the service aggregation module. Wherein, when scheduling the service capability, it is necessary to obtain information such as the category of the service capability, the quantized value of the service capability, and the IP address of the smart device.
  • the scheduler needs to interact with the smart device that provides the service capability when scheduling the service capabilities.
  • the specific way of interaction varies depending on the type of service. For example, if the iPhone utilizes the iPad's playback capabilities, the iPhone will notify the iPad of the location and information of the songs that need to be played, and then let the iPad play; if the iPhone uses the iPad's storage service, then the iPhone will store the downloaded files. If the iphone utilizes the decoding capability of the iPad, the iPhone will send the decoded video to the iPad, and then the iPad will decode the decoded data and send it back to the iPhone for display.
  • Steps 310-311 The smart device occupying the service capability sends the service capability occupation information to other smart devices. Enables all smart devices to update their own service aggregation modules.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented in hardware, a software module executed by a processor, or a combination of both.
  • the software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.

Abstract

本发明涉及一种能够实现多设备协同的智能设备，包括一应用执行引擎；应用执行引擎包括服务抽象和发布模块、服务聚合模块、任务分解与服务调度器；其中，服务抽象和发布模块对所在智能设备能够向外提供的服务能力进行抽象、分类与量化，得到服务能力信息并发布出去；服务聚合模块从网络上接收并保存其他智能设备所发布的服务能力信息；应用在执行时，由任务分解与服务调度器将与应用有关的任务进行拆分，得到服务类别和数量，对于需要外部协同执行的服务，将服务能力分配给该服务；服务发布模块将所占用的服务能力的信息发布到网络中，其他智能设备的服务聚合模块更新自身所存储的智能设备所能向外提供的服务能力的信息。

Description

能够实现多设备协同的智能设备与多设备协同工作方法 技术领域
本发明涉及通信领域，特别涉及一种能够实现多设备协同的智能设备与多设备协同工作方法。
背景技术
随着终端技术的发展，尤其是移动终端如智能手机、平板电脑和智能电视等的快速普及，家庭中通常会同时存在多种智能设备，并通过有线或无线的方式连接在同一个局域网中。家庭内部多设备之间的互联互通的现状，使得构建数字家庭成为技术热点。
数字家庭的一个重要特征是共享，即数字家庭中的不同智能设备间能够实现资源或服务的共享。目前市场上已推出的面向数字家庭的产品，还主要集中在多屏互动功能方面。所谓多屏互动是指通过网络连接，在不同的终端设备之间进行多媒体内容的共享和互操作。但是，多屏互动功能在内容方面侧重设备间播放资源和显示资源的共享，并不能充分利用数字家庭内部智能设备的各种资源服务；在功能呈现层次上主要体现在应用层次，并不能提升所有应用的用户体验。
发明内容
本发明的目的在于克服现有技术中在同一局域网中的智能设备无法充分实现资源共享的缺陷，从而提供一种能够实现多设备协同的智能设备与多设备协同工作方法。
为了实现上述目的，本发明提供了一种能够实现多设备协同的智能设备，包括一应用执行引擎；所述应用执行引擎包括服务抽象和发布模块、服务聚合模块、任务分解与服务调度器；其中，
所述服务抽象和发布模块对所在智能设备能够向外提供的服务能力进行抽象、分类与量化，得到关于这些服务能力的服务能力信息，并将服务能力信息发布出去；所述服务聚合模块从网络上接收并保存其他智能设备所发布的服务能力信息；智能设备上的应用在执行时，由所述任务分解与服务调度器将与所要执行的应用有关的任务进行拆分，得到执行该应用所要用到的服务类别和数量，对于需要外部协同执行的服务，将所述服务聚合模块中所存储服务能力信息所对应的服务能力分配给该服务；所述服务发布模块将所占用的服务能力的信息发布到网络中，其他智能设备的服务聚合模块根据接收到的所占用服务能力的信息更新自身所存储的智能设备所能向外提供的服务能力的信息。
本发明还提供了基于所述的智能设备所实现的多设备协同工作方法，包括：
步骤1)、对新加入网络的智能设备对外所能提供的服务能力进行抽象、分类和量化，得到服务能力信息；其中，所述抽象包括将智能设备的服务能力到标准操作的映射；所述分类包括对智能设备的服务能力做类别的划分；所述量化包括对服务能力进行数值化的标记；
步骤2)、将步骤1)得到的服务能力信息以及该智能设备的IP地址发布给网络中已有的其他智能设备；
步骤3)、网络中的智能设备监听到其他智能设备所发布的服务能力信息后，解析该服务能力信息并保存；
步骤4)、某一智能设备执行应用时，将所要执行的应用分解为一系列服务，然后根据这些服务的需求从该智能设备所存储的服务能力信息中调度相应的服务能力；
步骤5)、占用服务能力的智能设备向其他智能设备发送服务能力占用信息，其他智能设备对自身存储的服务能力信息进行更新。
上述技术方案中，在所述的步骤2)中，以组播或广播的形式将服务能力信息以及该智能设备的IP地址发布给网络中已有的其他智能设备。
上述技术方案中，所述步骤2)包括：智能设备加入网络时以组播形式发送两次服务能力信息以及智能设备的IP地址，然后每间隔60秒发送包含服务能力信息与智能设备IP地址的广播消息。
上述技术方案中，在所述的步骤1)中，对服务能力的量化包括：
将下载服务量化为：能并行的最大下载任务数，能利用的最大带宽；
将存储服务量化为：存储空间的大小；
将播放服务量化为：能并行最大的播放任务数，播放格式支持类型；
将解码服务量化为：解码器的个数，支持的解码类型；
将显示服务量化为：是否存在显示界面，显示界面的分辨率。
本发明的优点在于
1、本发明通过多设备协同的方式，使得单个智能设备的应用执行引擎可以利用局域网内多设备的服务能力，从而在对用户透明的情况下扩展应用执行引擎的服务能力，提升用户体验；
2、在应用执行引擎的层次扩展服务能力，可以使得智能设备之上运行的所有应用都可以受益。
附图说明
图1是本发明的能够实现多设备协同的智能设备的工作场景示意图；
图2是本发明的能够实现多设备协同的智能设备中的应用执行引擎在智能设备中所处位置的示意图；
图3是本发明的多设备协同工作方法的工作流程图。
具体实施方式
现结合附图对本发明作进一步的描述。
在图1所示的场景中，多台智能设备连接在一个局域网中，这些智能设备可以是智能电视、智能手机、个人电脑或平板电脑中的任意一种。这些智能设备能够利用局域网内其他智能设备所提供的服务能力来运行本智能设备上的应用。
本发明的智能设备包括一应用执行引擎；参见图1和图2，该应用执行引擎包括服务抽象和发布模块、服务聚合模块、任务分解与服务调度器。其中，所述的服务抽象和发布模块对所在智能设备能够向外提供的服务能力进行抽象、分类与量化，得到关于这些服务能力的信息，并将这些信息发布出去；所述服务聚合模块从网络上接收并保存其他智能设备所发布的服务能力信息；智能设备上的应用在执行时，由所述任务分解与服务调度器将与所要执行的应用有关的任务进行拆分，得到执行该应用所要用到的服务类别和数量，对于需要外部协同执行的服务，将所述服务聚合模块中所存储服务能力信息所对应的服务能力分配给该服务；所述服务发布模块将所占用的服务能力的信息发布到网络中，其他智能设备的服务聚合模块根据接收到的所占用服务能力的信息更新自身所存储的智能设备所能向外提供的服务能力的信息。
在图2中，对应用执行引擎在智能设备中所处的位置进行描述。从图中可以看出，所述应用执行引擎在智能设备的物理设备层之上、各种具体的应用之下；该应用执行引擎对某一待执行的应用进行任务分解，然后根据任务分解的结果调度相应的服务能力，这些服务能力可以是在本地的智能设备所提供的，也可以是网络中的其他智能设备所提供的。
图3为本发明的智能设备实现多设备协同工作的流程图，包括：
步骤301，新的智能设备加入局域网，根据设备类型以有线或无线的方式接入家庭网络，如智能手机、平板电脑、笔记本电脑多以无线方式(wifi)接入，而台式机电脑、智能电视和智能路由器等设备通常以有线方式接入。
步骤302，服务能力的抽象、分类和量化，得到用于描述服务能力的服务能力信息。
服务能力抽象是智能设备对自身对外能力的一种标准化操作，是服务提供者与服务使用者的一种约定。以下载服务为例，可以约定以下几个标准操作：
服务使用者触发：
动作：startDownload；参数：url
动作：stopDownload；参数：无
服务提供者触发：
动作：onDownloadFinished；参数：time
动作：onDownloadFailed；参数：reason
根据以上的约定，智能设备进行自身服务能力到标准操作的映射，从而使得服务能力抽象为标准接口。
服务能力的分类是对智能设备服务能力做类别的划分，如划分为下载服务、存储服务、播放服务、解码服务和显示服务等。
服务能力的量化是对各种服务能力进行数值化的标记，以某一智能手机设备的服务能力为例：其对外提供有三种，下载服务、显示服务和播放服务，可以如下量化：
下载服务：最大支持并行5个下载任务，最大下载速率1Mb/s
显示服务：数量(1)，尺寸(5寸)，分辨率(1280x720)
播放服务：并行任务数(2个)，支持类型(mp3/mp4/avi)。
由于不同智能设备所能提供的服务能力存在差异，因此各个智能设备服务能力量化后的值也各有不同。
步骤303，发布服务能力信息与智能设备的IP地址。发布服务能力信息与IP地址是指新加入的智能设备将自身服务能力信息与IP地址以组播或广播的形式对局域网内其他设备发送。一种推荐的方式是，加入时以组播形式发送两次，然后每间隔60s发送广播消息，防止丢包造成服务不被发现。发送的消息是步骤302中服务能力的量化表示结构，此处以json格式进行表示：
Figure PCTCN2014093482-appb-000001
步骤304，智能设备进入监听状态，已加入局域网的智能设备，会随时监听组播和 广播消息。
步骤305，对接收到的消息进行解析，以接收到步骤302的智能手机服务消息为例，会收到步骤303中的json格式表示的信息。通过解析，可以还原出下载服务、显示服务和播放服务以及各服务所附带的参数。
步骤306，用步骤305解析出的这些服务的信息更新智能设备的服务聚合模块中所存储的服务能力信息。
服务聚合模块中以数据库或文件的形式来存储当前局域网中的所有服务能力信息，这里依然以json格式文件为例：
原来的all_services.json文件如下：
Figure PCTCN2014093482-appb-000002
Figure PCTCN2014093482-appb-000003
收到新加入设备发布的服务能力消息，更新后的all_services.json文件如下：
Figure PCTCN2014093482-appb-000004
Figure PCTCN2014093482-appb-000005
步骤307～308，应用执行引擎来执行应用时，对其上的应用进行任务分解，将应用分解为一系列的服务。如下载式播放应用会用到以下服务：
下载服务、存储服务和播放服务等。
步骤309，根据上面由应用分解得到的服务需求，由调度器从服务聚合模块中所存储的服务能力信息中调度相应的服务能力。其中，在调度服务能力时，需要得到该服务能力的类别、服务能力的量化值以及提供智能设备的IP地址等信息。
调度器在调度服务能力时，需要与提供服务能力的智能设备进行交互。交互的具体方式依据服务的类别有所差异。例如，如果iPhone利用了iPad的播放能力，那么iPhone会将需要播放的歌曲位置及信息通知iPad，然后让iPad进行播放；如果iphone利用了iPad的存储服务，那么iphone会将自身下载的文件存放到iPad的存储空间上面；如果iphone利用了iPad的解码能力，那么iPhone将需要解码的视频发送给iPad，然后iPad解码之后将解码之后的数据回传给iPhone来显示。
步骤310～311，占用服务能力的智能设备，向其他智能设备发送服务能力占用信息， 使得所有智能设备对自身服务聚合模块进行更新。
专业人员应该还可以进一步意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
最后所应说明的是，以上实施例仅用以说明本发明的技术方案而非限制。尽管参照实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，对本发明的技术方案进行修改或者等同替换，都不脱离本发明技术方案的精神和范围，其均应涵盖在本发明的权利要求范围当中。

Claims (5)

  1. 一种能够实现多设备协同的智能设备，其特征在于，包括一应用执行引擎；所述应用执行引擎包括服务抽象和发布模块、服务聚合模块、任务分解与服务调度器；其中，
    所述服务抽象和发布模块对所在智能设备能够向外提供的服务能力进行抽象、分类与量化，得到关于这些服务能力的服务能力信息，并将服务能力信息发布出去；所述服务聚合模块从网络上接收并保存其他智能设备所发布的服务能力信息；智能设备上的应用在执行时，由所述任务分解与服务调度器将与所要执行的应用有关的任务进行拆分，得到执行该应用所要用到的服务类别和数量，对于需要外部协同执行的服务，将所述服务聚合模块中所存储服务能力信息所对应的服务能力分配给该服务；所述服务发布模块将所占用的服务能力的信息发布到网络中，其他智能设备的服务聚合模块根据接收到的所占用服务能力的信息更新自身所存储的智能设备所能向外提供的服务能力的信息。
  2. 基于权利要求1所述的智能设备所实现的多设备协同工作方法，包括：
    步骤1)、对新加入网络的智能设备对外所能提供的服务能力进行抽象、分类和量化，得到服务能力信息；其中，所述抽象包括将智能设备的服务能力到标准操作的映射；所述分类包括对智能设备的服务能力做类别的划分；所述量化包括对服务能力进行数值化的标记；
    步骤2)、将步骤1)得到的服务能力信息以及该智能设备的IP地址发布给网络中已有的其他智能设备；
    步骤3)、网络中的智能设备监听到其他智能设备所发布的服务能力信息后，解析该服务能力信息并保存；
    步骤4)、某一智能设备执行应用时，将所要执行的应用分解为一系列服务，然后根据这些服务的需求从该智能设备所存储的服务能力信息中调度相应的服务能力；
    步骤5)、占用服务能力的智能设备向其他智能设备发送服务能力占用信息，其他智能设备对自身存储的服务能力信息进行更新。
  3. 根据权利要求2所述的多设备协同工作方法，其特征在于，在所述的步骤2) 中，以组播或广播的形式将服务能力信息以及该智能设备的IP地址发布给网络中已有的其他智能设备。
  4. 根据权利要求3所述的多设备协同工作方法，其特征在于，所述步骤2)包括：智能设备加入网络时以组播形式发送两次服务能力信息以及智能设备的IP地址，然后每间隔60秒发送包含服务能力信息与智能设备IP地址的广播消息。
  5. 根据权利要求2所述的多设备协同工作方法，其特征在于，在所述的步骤1)中，对服务能力的量化包括：
    将下载服务量化为：能并行的最大下载任务数，能利用的最大带宽；
    将存储服务量化为：存储空间的大小；
    将播放服务量化为：能并行最大的播放任务数，播放格式支持类型；
    将解码服务量化为：解码器的个数，支持的解码类型；
    将显示服务量化为：是否存在显示界面，显示界面的分辨率。
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