A transparent deployment method of RSVP-aware applications on UNIX

Authors:
Yu-Ben Miao;Wen-Shyang Hwang;Ce-Kuen Shieh
Affiliations:
Department of Electrical Engineering, National Cheng Kung University, Taiwan, Taiwan, ROC;Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, Taiwan, Taiwan, ROC;Department of Electrical Engineering, National Cheng Kung University, Taiwan, Taiwan, ROC
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Towards a new internet architecture
Year:
2002

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Abstract

This paper proposes a method, called RLR (RSVP (Resource reSerVation Protocol) library redirection), which can transform legacy Internet applications into RSVP-aware applications without modifying their source files by redirecting procedure calls from the socket library to the RAPI library. This method can be fulfilled for UNIX operating systems, such as Linux and Free-BSD, etc., since these operating systems support the related mechanisms of procedure call interception. In addition to the advantage of transparent transformation, RLR also allows a single RLR software module to be used for multiple programs if they have similar protocol behavior.In this study, the RLR method has been used to render several legacy network applications RSVP aware. These applications include TCP-based and UDP-based programs, the two major Internet applications. The satisfactory use of a single RLR module for multiple applications is also verified. The results show that RLR is a feasible approach for deploying RSVP-aware applications.