NDLI: A multicast broadband switching module in a hybrid ATM environment

Content Provider	IEEE Xplore Digital Library
Author	Forcina, A. Di Stefano, T. Taormina, E.
Copyright Year	1989
Description	Author affiliation: SIP Soc. Italiana per l'Esercizio delle Telecommun., Rome, Italy (Forcina, A.; Di Stefano, T.; Taormina, E.)
Abstract	On the basis of the assumption of a hybrid asynchronous transfer mode (ATM) environment in which two classes of traffic are defined, an architecture for a broadband switching module is proposed. The described architecture provides both unicast and multicast connections for two kinds of information flows and guarantees a constant switching delay for high-priority communications. This goal is achieved by exploiting the nonblocking features of the switching fabric, which consists of buffered delta networks assembled to make up a parallel delta network. In the module, the high-priority multicast connections are performed in two steps: in the first one the copy process takes place, and a multicast routing algorithm is proposed; in the second, the copies are addressed toward the requested output ports as a set of unicast paths. The two phases are accomplished onto the same switching fabric, achieving a full pipelining of the information flows.<>
Starting Page	111
Ending Page	117
File Size	677676
Page Count	7
File Format	PDF
DOI	10.1109/ICC.1989.49678
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Asynchronous transfer mode Communication switching Fabrics Unicast Delay Telecommunication traffic Packet switching Telecommunication switching Assembly Routing
Content Type	Text
Resource Type	Article

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