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Analiza učinkovitosti ATM međuspremnika u višeserverskim sustavima kod usmjeravanja širokopojasnog prometa s geometrijskom razdiobom međudolaznih vremena

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  • معلومة اضافية
    • بيانات النشر:
      KoREMA - Croatian Society for Communications, Computing, Electronics, Measurement and Control, 2010.
    • الموضوع:
      2010
    • نبذة مختصرة :
      U ovome članku analiziramo učinkovitost vremenski diskretnih ATM međuspremnika u višeserverskim sustavima s batch dolascima, geometrijskom razdiobom međudolaznih vremena i prioritetnim pristupom. Ovakvi sustavi mogu se koristiti za detaljnu ocjenu učinkovitosti ATM multipleksera i ATM komutatora. Paketi pripadaju dvjema klasama; paketi klase 1 predstavljaju stvarno-vremenski promet koji je osjetljiv na kašnjenje ali nije osjetljiv na gubitak sadržaja, dok paketi klase 2 predstavljaju nestvarno-vremenski promet koji nije osjetljiv na kašnjenje ali je zato osjetljiv na gubitak sadržaja. Zbog osjetljivosti na kašnjenje, u višeserverskim sustavima viši prioritetni red daje se stvarno-vremenskom prometu (npr. audio i video). Ocijenjene su funkcije izvodnice glavnih mjera učinkovitosti, kao i njhove očekivane vrijednosti.
      In this article we analyze the performance of discrete-time multiserver ATM buffers with batch arrivals, geometric service time and priority scheduling. Such systems can be applied to the detailed performance evaluation of ATM multiplexers and ATM switching elements with dedicated buffer output queuing arrangements. Packets belong to two classes, class-1 packets represents real time traffics which is delay sensitive but loss insensitive, and class-2 packets represents non real time traffics which is delay insensitive but loss sensitive. Higher service priority is given to real time traffics (e.g. audio and video) to respond to the delay sensitivity in the presence of multiple servers in the system. Expressions for the probability generating functions of the main performance measures of the system and expected values of these expressions are evaluated.
    • File Description:
      application/pdf
    • ISSN:
      1848-3380
      0005-1144
    • Rights:
      OPEN
    • الرقم المعرف:
      edsair.doi.dedup.....3d53c2a1f4ad975a9fd01801d9f1964d