An architecture of scalable ATM switching system and its performance |
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Authors: | Lee Soon Seok Lee Jeong Gyu Oh Chang Hwan Kim Young Boo Kim Young Sun |
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Affiliation: | (1) Network and System Engineering Team, Electronics and Telecommunications Research Institute (ETRI), P.O. Box 106, Yusong, Taejon, 305‐600, Korea;(2) Department of Information and Communications, Kwangju Institute of Science and Technology, 572 Sangam‐dong, Kwangsan‐ku, Kwangju, 506‐712, Korea |
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Abstract: | In this paper, we present the basic idea and some concepts for the architecture of the ATM switching system being developed
in ETRI of KOREA, and also describe its performance. RSE (Reference Service Entity) concept is introduced to define the characteristics
of user’s traffic. This concept is useful to represent the demand of CPE (Customer Premise Equipment) user sets and one of
point‐to‐multipoint connections. We also propose RUCA (Reference Units for Connection Attempts) concept with which we can
illustrate the call/connection level performance of the ATM switching system. This concept can be applied for measuring the
call processing capability in both point‐to‐multipoint connections and multipoint‐to‐multipoint connections when call set‐up
between users is performed by a sequence of point‐to‐point connections basis. From the basic concepts and the recommendations
of ITU‐T, the design objective of the system performance is specified. We represent the methodologies for dimensioning the
system to achieve the design objectives, and estimate the system performances. Then we show that our developing system has
suitable performance to accommodate the future B‐ISDN.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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