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    • 2. 发明授权
    • Mechanism and apparatus for using messages to look up documents stored in spaces in a distributed computing environment
    • 使用消息查找分布式计算环境中存储在空格中的文档的机制和设备
    • US06643650B1
    • 2003-11-04
    • US09660548
    • 2000-09-12
    • Gregory L. SlaughterThomas E. SaulpaughBernard A. TraversatMohamed M. AbdelazizMichael J. Duigou
    • Gregory L. SlaughterThomas E. SaulpaughBernard A. TraversatMohamed M. AbdelazizMichael J. Duigou
    • G06F1730
    • G06F9/465G06Q30/0256G06Q30/0267G06Q30/0277Y10S707/99934Y10S707/99945
    • A system and method for searching for documents within spaces in a distributed computing environment are provided. A client sends a lookup message to a space which stores documents. The lookup message may specify desired characteristics, such as a name or partial XML schema, of the stored documents. The documents may include XML service advertisements and XML device advertisements as well as general-purpose XML documents. A set of zero or more documents which match the lookup message are discovered. In one embodiment, the lookup message may include a desired name. If the lookup message includes both a desired name and a desired schema, the set of discovered documents may include both discovered documents having a name that matches the desired name and discovered documents having a schema that matches the desired schema. If the lookup message includes neither a desired name nor a desired schema, the set of discovered documents may include substantially all the documents stored in the space. After the matching documents are found, the space may send a lookup response message to the client. For each discovered document, the lookup response message may include a name and an advertisement. Each advertisement may include information which is usable by the client to obtain the respective discovered document or access the resource (e.g., a service) that the document advertises. The advertisements and messages may be expressed in a data representation language such as XML.
    • 提供了一种在分布式计算环境中搜索空格内的文档的系统和方法。 客户端向存储文档的空间发送查询消息。 查找消息可以指定所存储文档的期望特性,例如名称或部分XML模式。 文档可以包括XML服务广告和XML设备广告以及通用XML文档。 发现一组与查找消息匹配的零个或多个文档。 在一个实施例中,查找消息可以包括期望的名称。 如果查找消息包括期望的名称和期望的模式,则所发现的文档集合可以包括具有与期望名称匹配的名称的发现文档和具有与期望模式匹配的模式的发现文档。 如果查找消息既不包含期望的名称也不包含期望的模式,则所发现的文档的集合可以包括基本上存储在空间中的所有文档。 找到匹配的文档后,空间可能会向客户端发送查询响应消息。 对于每个发现的文档,查找响应消息可以包括名称和广告。 每个广告可以包括客户端可以获得相应的发现文档或访问该文档通告的资源(例如,服务)的信息。 广告和消息可以以诸如XML的数据表示语言来表达。
    • 3. 发明授权
    • Method and apparatus for proximity discovery of services
    • 服务接近发现的方法和装置
    • US07412518B1
    • 2008-08-12
    • US09656588
    • 2000-09-07
    • Michael J. DuigouMohamed M. AbdelazizBernard A. TraversatThomas E. SaulpaughGregory L. Slaughter
    • Michael J. DuigouMohamed M. AbdelazizBernard A. TraversatThomas E. SaulpaughGregory L. Slaughter
    • G06F15/16G06F15/173G06F7/00
    • H04L67/16G06F9/547
    • A service discovery protocol may allow clients to discover services on a proximity basis. A service device that provides one or more computing services may support a proximity communication link. A client device may form a proximity communication link with the service device. The client device may directly request from the service device a document that describes an interface to access a service provided by the service device. The service device may provide the document directly to the client device over proximity communication link. The document may include a service advertisement for the service, and the service advertisement may include a schema specifying an interface to at least a portion the service. The client device may use the information from the document to access the service. The client device may support a transport connection in addition to the proximity communication link, and the client device may make the document available to other devices over the transport connection. Thus, the client device may provide a bridge from the transport connection to the proximity communication link so that other devices from a distributed computing environment may access the service.
    • 服务发现协议可以允许客户端在邻近的基础上发现服务。 提供一个或多个计算服务的服务设备可以支持邻近通信链路。 客户端设备可以与服务设备形成邻近通信链路。 客户端设备可以直接从服务设备请求描述访问由服务设备提供的服务的接口的文档。 服务设备可以通过邻近通信链路将文档直接提供给客户端设备。 文档可以包括用于服务的服务广告,并且服务广告可以包括指定至少部分服务的接口的模式。 客户端设备可以使用来自文档的信息来访问服务。 客户端设备除了邻近通信链路之外还可以支持传输连接,并且客户端设备可以通过传输连接使文档可用于其​​他设备。 因此,客户端设备可以提供从传输连接到邻近通信链路的网桥,使得来自分布式计算环境的其他设备可以访问该服务。
    • 8. 发明授权
    • Spawning new repository spaces using information provided in advertisement schema messages
    • 使用广告模式消息中提供的信息产生新的信息库空间
    • US06918084B1
    • 2005-07-12
    • US09653525
    • 2000-08-31
    • Gregory L. SlaughterThomas E. SaulpaughBernard A. TraversatMohamed M. Abdelaziz
    • Gregory L. SlaughterThomas E. SaulpaughBernard A. TraversatMohamed M. Abdelaziz
    • G06Q30/00H04L29/08G06F7/00
    • G06Q30/02H04L67/02H04L67/142H04L67/16H04L67/28H04L67/2804H04L67/2819H04L67/2842H04L67/34H04L69/329
    • A system and method for spawning new spaces in a distributed computing environment. A client may access a first space service at a first Internet address. The first space service may store one or more service advertisements and/or other content in a first space, and each of the service advertisements may include information which is usable to access and execute a corresponding service. The first space service may include a first XML schema which specifies one or more messages usable to invoke functions of the first space service. The creation of a second space may be requested such as by the client sending an appropriate request to an interface of the first space. The second space may be created to store the results of running a service. In response, a second space service with a second space may be created at a second Internet address. The second space service may include a second schema which includes at least the first schema, and the second schema may include additional functionality as well. The first and second space may share a common storage model, storage facility, and set of program code. The client may then access the second space at a second Internet address by sending to the second space at least one of the messages specified in the second schema.
    • 在分布式计算环境中产生新空间的系统和方法。 客户端可以访问第一个Internet地址的第一个空间服务。 第一空间业务可以在第一空间中存储一个或多个服务通告和/或其他内容,并且每个服务通告可以包括可用于访问和执行相应服务的信息。 第一空间服务可以包括指定可用于调用第一空间服务的功能的一个或多个消息的第一XML模式。 可以请求诸如由客户端向第一空间的接口发送适当请求的第二空间的创建。 可以创建第二个空间来存储运行服务的结果。 作为响应,可以在第二互联网地址处创建具有第二空间的第二空间服务。 第二空间服务可以包括至少包括第一模式的第二模式,并且第二模式也可以包括附加功能。 第一和第二空间可以共享共同的存储模型,存储设施和程序代码集合。 然后,客户端可以通过向第二空间发送在第二模式中指定的消息中的至少一个来访问第二互联网地址处的第二空间。
    • 10. 发明授权
    • Method and apparatus to obtain negotiated service advertisement
    • 获取协商的服务广告的方法和装置
    • US07395333B1
    • 2008-07-01
    • US09653610
    • 2000-08-31
    • Thomas E. SaulpaughGregory L. SlaughterMohamed M. AbdelazizBernard A. Traversat
    • Thomas E. SaulpaughGregory L. SlaughterMohamed M. AbdelazizBernard A. Traversat
    • G06F15/16G06F15/173
    • H04L67/16H04L63/0807H04L63/101
    • A service discovery mechanism may allow clients in a distributed computing environment to search for services. The service discovery mechanism may allow a client to request a capability credential from a service. The distributed computing environment may include a mechanism for a client to negotiate service access rights and to then obtain a capability credential that may be used to obtain the service's access interface to the set or subset of the service's capabilities that were requested or negotiated by the client. In one embodiment, the client may present to the service a set of desired capabilities. The service may then respond with a capability credential that may convey to the client the rights to use the requested capabilities. A complete service advertisement may be needed to create a message endpoint for accessing the service. In an embodiment, the capability credential may be used by a client to obtain a complete advertisement for only the requested or negotiated capabilities. The capability credential may provide an additional level of security for the service provider. The capability credential that may be used to receive the complete advertisement may also be used to construct a message gate to communicate with the service where the gate embeds the capability credential in each message to the service.
    • 服务发现机制可以允许分布式计算环境中的客户端搜索服务。 服务发现机制可以允许客户端从服务请求能力凭证。 分布式计算环境可以包括用于客户端协商服务访问权限并且然后获得可用于获得服务对由客户请求或协商的服务的能力的集合或子集的服务的访问接口的机制 。 在一个实施例中,客户端可以向服务呈现一组期望的能力。 然后,该服务可以以能够向客户传达使用所请求的能力的权限的能力凭证进行响应。 可能需要完整的服务广告来创建用于访问服务的消息端点。 在一个实施例中,客户端可以使用能力凭证来仅获得所请求或协商的能力的完整广告。 能力证书可以为服务提供商提供额外的安全级别。 可以用于接收完整广告的能力证书也可以用于构建消息门以与服务通信,其中门将每个消息中的能力凭证嵌入到服务中。