The design issues for an high throughput gateway between a Gigabit/s LAN based on the CRMA access protocol and a BISDN based on ATM are presented. An alternative to the ATM Adaptation Layer proposed by the CCITT so far is introduced, in order to allow a fast HW based processing of frames inside the gateway. The hardware architecture of the gateway is described with particular reference to the mechanisms used to implement the SAR protocol. Finally, a comprehensive simulation study on the gateway buffer size requirements is presented, assuming a realistic CRMA network scenario. Different situations are considered to evaluate the buffer occupancy; as a result, some criteria for the buffer dimensioning are proposed.

A CRMA based Gbit/s LAN-ATM based Broadband ISDN gateway / F., Bernabei; M., De Sanctis; L., Gratta; Listanti, Marco; L., Proietti; R., Winkler. - STAMPA. - (1992), pp. 1207-1213. ((Intervento presentato al convegno Globecom 1992 tenutosi a Orlando (USA) nel December 1992 [10.1109/GLOCOM.1992.276585].

A CRMA based Gbit/s LAN-ATM based Broadband ISDN gateway

LISTANTI, Marco;
1992

Abstract

The design issues for an high throughput gateway between a Gigabit/s LAN based on the CRMA access protocol and a BISDN based on ATM are presented. An alternative to the ATM Adaptation Layer proposed by the CCITT so far is introduced, in order to allow a fast HW based processing of frames inside the gateway. The hardware architecture of the gateway is described with particular reference to the mechanisms used to implement the SAR protocol. Finally, a comprehensive simulation study on the gateway buffer size requirements is presented, assuming a realistic CRMA network scenario. Different situations are considered to evaluate the buffer occupancy; as a result, some criteria for the buffer dimensioning are proposed.
0780306082
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/454297
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