0


未来互联网服务规划

Planning for Future Internet Services
课程网址: http://videolectures.net/icaps2010_traverso_fureinternet/  
主讲教师: Paolo Traverso
开课单位: 布鲁诺·凯斯勒基金会
开课时间: 2010-11-15
课程语种: 英语
中文简介:
到目前为止,在Web或软件服务的规划领域已经做了很多工作。在这项工作中,主要任务可以在规划框架中描述:软件服务的建模将导致规划领域,它们的自动组合可以通过计划生成来完成,它们的监视将成为对计划执行的监视,而改编可以通过重新规划来完成。当我们转向未来互联网所设想的框架时,情况发生了根本性的变化。“未来互联网愿景”的主要承诺之一是所谓的“服务互联网”,即网络中的应用程序“实时”并以“真实服务”的形式提供给最终用户,而这些应用程序如今在日常生活中可供消费者使用。根据这一愿景,软件服务只是提供对“真实服务”和“OACUTE”的电子访问的软件组件(例如,用于旅游预订的软件服务允许我们访问其背后的实际服务,即“旅游的可能性”。_real servicesó;与相应的软件服务非常不同,因为它们的主要特征不同,如持续时间、可访问性、约束和冲突以及与现实世界的联系,这使得它们具有高度的动态性。这一新的愿景需要在研究方法和相应的规划框架中进行转变:建模应该描述真实服务的使用如何影响消费者;组合不再包含在生成新的组合服务中,它成为一项基于紧急需求的服务之间关系的任务。s、限制、消费者的机会;监控不应检查软件的执行情况,而应关注实际服务运行的物理环境的属性;适应应从对软件服务变化的反应转向对实际服务变化的反应,在实际服务运行的物理环境中,以及用户行为。在本教程中,我将简要总结软件服务规划的传统方法,然后重点介绍未来服务互联网的新研究挑战,以及它们与规划的关系。
课程简介: A lot of work has been done so far in the field of planning for web or software services. In this work, major tasks can be described in a planning framework: modeling of software services leads to a planning domain, their automated composition can be done by plan generation, their monitoring becomes monitoring of plan executions, and adaptation can done by re-planning. Things change radically when we move to the framework envisioned by Future Internet. One of the major promises of the vision of Future Internet is the so called ŇInternet of ServicesÓ, where applications ŇliveÓ in the network and are available to end users as Ňreal servicesÓ are available today to consumers in everyday life. According to this vision, software services are just software components that provide electronic access to Ňreal servicesÓ (e.g., a software service for travel booking allows us to access the actual service behind it, namely Ňthe possibility of travelingÓ). ŇReal servicesÓ are however very different from the corresponding software services, since they differ in their main characteristics, such as their duration, their accessibility, their constraints and conflicts, and their connection with the real world, which makes them highly dynamic. This new vision requires a shift in the research approach, as well as in the corresponding planning framework: Modeling should describe how the use of real services affects their consumers; Composition does not consist anymore in the generation of a new composed service, it becomes a task that finds relations among services based on emergent needs, constraints, opportunities of the consumers; Monitoring should not check software executions but rather focus on properties of the physical environment where the real services operate; Adaptation should move from reaction to changes in software services to reaction to changes in real services, in the physical environment where they operate, and to usersŐ behaviors. In this tutorial I will briefly summarize the traditional approaches to planning for software services, and I will then focus on the new research challenges for the future internet of services and how they are related to planning.
关 键 词: 电脑; 互联网; Web
课程来源: 视频讲座网
最后编审: 2020-09-28:heyf
阅读次数: 44