SMIL is a markup language which enables us to describe multimedia contents. This paper proposes a design model of SMIL browser functionality for mobile terminals whose resources are limited. We introduce SMIL Component, which is based on attachable software architecture to a pre-installed generic web browser. This leads to reduce memory size that SMIL Component consumes and bring high adaptability of SMIL Component for various web browsers. We implement SMIL Component and evaluate RAM sizes and presentation delays. As a result, we found out that SMIL Component can be useful for MMS presentations on mobile terminals.
Abstract. Recently more embedded terminals have begun to use a general-purpose OS such as Linux. These terminals can perform various functions, such as downloading applications. Since these applications maybe malicious, it is necessary to protect terminals against them and to ensure stability of services provided by the terminals. We have proposed a security enhanced middleware model for embedded terminals based on Linux (SEMMETL). The SEMMETL offers client identification, access control for each application and resource control for each application. The security enhanced X server (SEN XServer) is an example of our proposed SEMMETL. By applying the SEMMETL to middleware, we can enhance the security of embedded terminals and ensure stability.
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