198,819 research outputs found
I libri di Sanguineti: architetture, strutture e montaggi
No full textIl testo è un'indagine, che cerca di essere esaustiva, per ciò che è possibile, sui modi e sulle tecniche di costruzione adottate da Sanguineti, nelle diverse occasioni, quando deve costruire i suoi libri, dalla critica alla poesia: emergono così le diverse strategie del montaggio in funzione di strutture ferree e architetture armonich
A Framework for Rapid Development and Portable Execution of Packet-Handling Applications
No full textThis paper presents a framework that enables the execution of packet-handling applications (such as sniffers, firewalls, intrusion detectors, etc.) on different hardware platforms. This framework is centered on the NetVM - a novel, portable, and efficient virtual processor targeted for packet-based processing - and the NetPDL - a language dissociating applications from protocol specifications. In addition, a high-level programming language that enables rapid development of packet-based applications is presented
Premessa dei curatori
No full textpremessa dei curatori agli atti del Convegno Internazionale di Studi "Per Edoardo Sanguineti: lavori in corso" (Genova, 12-14/5/2011
On the Efficiency of PGPS-based Packet and Cell Switching Technologies for Traffic with Guaranteed Delay
No full textComparing the Efficiency of IP and ATM Telephony
No full textCircuit switching, suited to providing real-time services due to the low and fixed switching delay, is not cost effective for building integrated services networks bursty data traffic because it is based on static allocation of resources which is not efficient with bursty data traffic. Moreover, since current circuit switching technologies handle flows at rates which are integer multiples of 64 kb/s, low bit rate voice encoding cannot be taken advantage of without aggregating multiple phone calls on a single channel. This work explores the real-time efficiency of IP telephony, i.e. the volume of voice traffic with deterministically guaranteed quality related to the amount of network resources used. IP and ATM are taken into consideration as packet switching technology for carrying compressed voice and it is compared to circuit switching carrying PCM (64 Kb/s) encoded voice. ADPCM32 is the voice encoding scheme used throughout most of the paper. The impact of several network parameters, among which the number of hops traversed by a call, on the real-time efficiency is studie
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