Server‐driven‐type communication protocol with data segmentation for remote database access

Abstract

AbstractThis paper presents the communication protocol between applications and remote databases in enterprise systems. Although the International Standard OSI‐RDA adopted the one request–one response communication protocol for the remote database access, it is not suitable from the viewpoints of system resources occupation and communication overhead in the case where the system should handle the large volumes of multimedia data. This paper proposes a server‐driven communication protocol in order to solve these problems, and compares the traditional method and the proposed method as to (1) the number of communications, (2) the number of encoding–decoding, and (3) the dynamic steps. According to the quantitative comparison, the proposed method makes an effort to avoid communication resources occupation and improves by 50% the communication overhead in the case of large communication data. This paper also suggests a guideline for suitable number of data segmentations for the remote database access. © 2007 Wiley Periodicals, Inc. Electr Eng Jpn, 159(2): 64–71, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20139