Berkeley ELENG 290Q - Deluge - Data Dissemination for Network Reprogramming at Scale (8 pages)

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Deluge - Data Dissemination for Network Reprogramming at Scale



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Deluge - Data Dissemination for Network Reprogramming at Scale

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Lecture Notes


Pages:
8
School:
University of California, Berkeley
Course:
Eleng 290q - Advanced Topics in Communication Networks
Advanced Topics in Communication Networks Documents

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1200 IEEE TRANSACTIONS ON COMMUNICATIONS VOL COM 33 NO 1 I NOVEMBER 1985 Throughput Delay Characteristics of Some Slotted ALOHA Multihop Packet Radio Networks Abstract A Markovian model i s formulated to find the throughputdelay performance for slotted ALOHA multihop packet radio networks with a fixed configuration of packet radio units terminals and repeaters and fixed source to link paths for packets Improvements in performance of transmission parameters which are obtainedbytheadjustment suppression acceleration according to the states ofnearby units and or by having repeaters equipped with multiple buffers are demonstrated I INTRODUCTION T and perfect delay capture to inhibit interference of transmissions and discuss the resulting throughput and optimal routing Some two hop networks are analyzed by Tobagi 151 In this paper we take a Markov chain approach to find the throughput delay characteristics for a general class of slottedof a ALOHA multihop packet radio networks which consist relatively small number of packet radio units In Section we describe our basic model of packet radio networks in detail This is followed in Section I11 by the Markov chain formula tion to calculate the throughput and average end to end packet delay for a given network The tradeoffs between them are shown for two example networks In the following sections of we propose and analyze three ways and their combinations reducingthe average packetdelay foragiventhroughput requirement and increasing the maximum supportable throughput HE packetradionetworkconsidered in thispaperisa ground based minicomputer communication network usingasharedmultiple accessradiochannel Oneof its potentialuses will beprovidingreal timecomputer based communication for packet radio equipped military users both in garrison and in the battlefield Another application is to replace regional wired packet switching networks without the 11 BASIC MODEL need for cable extension Although some intensive experimental research



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