Evaluation of partial file modification for Java-based realtime communication systems

Tetsuyasu Yamada; Hiroshi Sunaga; Shinji Tanaka; Satoshi Shiraishi; Keiichi Koyanagi

doi:10.1093/ietcom/e88-b.10.3982

Evaluation of partial file modification for Java-based realtime communication systems

Tetsuyasu Yamada^*, Hiroshi Sunaga, Shinji Tanaka, Satoshi Shiraishi, Keiichi Koyanagi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

This paper proposes a Java online plug-in mechanism that can be used to modify any part in a system file coded in Java, even while the part is running, without service interruption. The Java-related plug-in capabilities are devised by using the plug-in functional elements offered by the existing C++ online plug-in that we proposed. In particular, measures on how to deal with the use of Just In Time compilation and inline expansion are considered. New linkage and file-back up techniques are proposed for this purpose. Case studies reveal its wide applicability and the degree of memory area saving effects. Evaluation proves this mechanism does not affect the performance of ordinary service processing. It is expected to be used in practice for Java-based service processing such as VoIP and Instant Messaging.

Original language	English
Pages (from-to)	3982-3991
Number of pages	10
Journal	IEICE Transactions on Communications
Volume	E88-B
Issue number	10
DOIs	https://doi.org/10.1093/ietcom/e88-b.10.3982
Publication status	Published - 2005 Oct
Externally published	Yes

Keywords

Non-stop technology
On-line file modification
Plug-in
Switching program

ASJC Scopus subject areas

Software
Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1093/ietcom/e88-b.10.3982

Cite this

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AU - Koyanagi, Keiichi

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AB - This paper proposes a Java online plug-in mechanism that can be used to modify any part in a system file coded in Java, even while the part is running, without service interruption. The Java-related plug-in capabilities are devised by using the plug-in functional elements offered by the existing C++ online plug-in that we proposed. In particular, measures on how to deal with the use of Just In Time compilation and inline expansion are considered. New linkage and file-back up techniques are proposed for this purpose. Case studies reveal its wide applicability and the degree of memory area saving effects. Evaluation proves this mechanism does not affect the performance of ordinary service processing. It is expected to be used in practice for Java-based service processing such as VoIP and Instant Messaging.

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Evaluation of partial file modification for Java-based realtime communication systems

Abstract

Keywords

ASJC Scopus subject areas

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