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首页> 外文期刊>Electronics and Communications in Japan. Part 1, Communications >A Scalable Service Control Platform Based on the Locality of Database Access Requests in the Mobile Communication Network
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A Scalable Service Control Platform Based on the Locality of Database Access Requests in the Mobile Communication Network

机译：移动通信网络中基于数据库访问请求局部性的可扩展服务控制平台

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摘要

In regard to the scalable service control platform needed for realization of future mobile communication service, a new method of efficiently accessing distributed databases (DB) is proposed. Previously, as an access system plan to distributed DBs, a unicast-type system in which the access request to a DB received from the network is transferred to the destination DB (System A) and a multicast system with multicast delivery (System B) have been proposed. In the former, the increased size of the destination decision table puts pressure on main memory. In the latter, multicast communication applies pressure every time on processor process capacity. Hence, sufficient scalability has not been obtained in either method. In the present paper, the existence of locality in the requirement for DB access among users is recognized. A hybrid system (System C) is proposed here in which unicast communication is applied for access by a few users with high access frequency, but multicast communication is used for access by the other, majority users. A system control parameter is introduced to select these communication methods. By choosing the value of this parameter optimally, the user accommodation limits in the conventional system are resolved. It is shown quantitatively that operation with a minimum amount of equipment is possible in a wide accommodation range.
机译：关于实现未来的移动通信服务所需的可扩展服务控制平台，提出了一种有效访问分布式数据库（DB）的新方法。以前，作为对分布式DB的访问系统计划，单播类型的系统具有将从网络接收的对DB的访问请求转移到目标DB（系统A）和具有组播传送的组播系统（系统B）的功能。被提出。在前者中，目的地决策表的增加增加了主存储器的压力。在后者中，多播通信每次都会对处理器处理能力施加压力。因此，在两种方法中都没有获得足够的可伸缩性。在本文中，认识到用户之间对数据库访问的要求中存在局部性。这里提出了一种混合系统（系统C），在该系统中，单播通信用于具有较高访问频率的少数用户的访问，而多播通信用于其他大多数用户的访问。引入系统控制参数以选择这些通信方法。通过最佳选择此参数的值，可以解决常规系统中的用户容纳限制。定量地表明，在宽的容纳范围内可以用最少的设备操作。

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