We develop a networked data distribution system for broadband seismic waveform data using Java RMI (Remote Method Invocation). Users can download data from various networks using a unified interface. There are two technical problems in building such a user-friendly system with a high capability for expansion: communication through firewalls and information synchronization between request interfaces. We solve these two problems using cgi (common gateway interface) filtering and the Directory Service, respectively. We are now distributing data from various Japanese broadband seismic networks (including PACIFIC21) together with data from BATS (Broadband Array in Taiwan for Seismology) and IRIS through the system....
Application of Distributed Object Technology to Seismic Waveform Distribution
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N. Takeuchi, S. Watada, S. Tsuboi, Y. Fukao, M. Kobayashi, Y. Matsuzaki, T. Nakashima; Application of Distributed Object Technology to Seismic Waveform Distribution. Seismological Research Letters ; 73 (2): 166–172. doi: https://doi.org/10.1785/gssrl.73.2.166
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