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A/I Net - A Network That Integrates ATM and IP

Investigators :
Chin-Tau Lea, B. Li, Danny Tsang, Chi-Ying Tsui

Start Date :
15 February 1997

Completion Date :
14 February 2002

Abstract :
Future information networks require two modes of operations: datagram (connectionless) and virtual circuit (connection-oriented). The two major examples for each are IP(Internet) and ATM. Connectionless IP is far more efficient than virtual-circuit for browsing, email, and other non real-time services, but limited in capacity by its router-based architecture. Fixed-path ATM is suitable for services that demand quality guarantee and real-time delivery, but inefficient for many non-real time services due to its path-setup requirement.

 Given the frenzied popularity of Internet and the unshakable status of ATM as the broadband standard, this research project will address two major research challenges: (1) How do we efficiently integrate the two into a single network? and (2) how do we break the throughput limit of the current Internet's router-based architecture? We propose a new ATM/IP integrated network architecture. The proposed network, called A/I Net, does not merely integrate the two. It intends, through integration, to eliminate most of the inherent problems of a stand-alone ATM or IP.
 
 

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