Abstract
The emergence of B-ISDN has made the distinction between isochronous (voice and video) services and asynchronous (data) services to be less severe. ATM and B-ISDN are innovations in wired network technologies that could support voice, data and video services interchangeably [113]. For ATM-based systems, the conventional isochronous and asynchronous dichotomy has been replaced by a new regime to support: (a) constant bit rate (CBR), (b) real-time variable bit rate (rt-VBR), (c) non-real-time variable bit rate (nrt-VBR), (d) unspecified bit rate (UBR) and (e) available bit rate (ABR) services. Therefore, communication users requesting a virtual circuit can specify the type of service and the parameters in detail that further refine the demanded service.
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Notes
The ATM cell consists of a 5-byte header and 48-byte payload.
B-ICI: Broadband Intercarrier Interface.
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© 1997 Springer Science+Business Media New York
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Toh, CK. (1997). Fundamentals of ATM and Wireless ATM Networks. In: Wireless ATM and Ad-Hoc Networks. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-6307-5_2
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DOI: https://doi.org/10.1007/978-1-4615-6307-5_2
Publisher Name: Springer, Boston, MA
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