Principles for Optimizing CORBA Internet Inter-ORB Protocol Performance (1998)
| Venue: | In Hawaiian International Conference on System Sciences |
| Citations: | 27 - 10 self |
BibTeX
@INPROCEEDINGS{Gokhale98principlesfor,
author = {Aniruddha Gokhale and Douglas C. Schmidt},
title = {Principles for Optimizing CORBA Internet Inter-ORB Protocol Performance},
booktitle = {In Hawaiian International Conference on System Sciences},
year = {1998}
}
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Abstract
The Internet Inter-ORB Protocol (IIOP) enables heterogeneous CORBA-compliant Object Request Brokers (ORBs) to interoperate over TCP/IP networks. IIOP uses the Common Data Representation (CDR) transfer syntax to map OMG Interface Definition Language (IDL) data types into a portable network format. Due to the excessive marshaling /demarshaling overhead, data copying, and high-levels of function call overhead, conventional IIOP implementations yield relatively poor performance over high-speed networks. To meet the demands of emerging distributed multimedia applications, however, CORBA-compliant ORBs must support interoperable and highly efficient IIOP implementations. This paper provides two contributions to the study and design of efficient IIOP implementations. First, we pinpoint the key sources of overhead in the SunSoft IIOP implementation, which is a publically available implementation of IIOP written in C++, and measure its performance for transferring richly-typed data over a high-...
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