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Prenova pristopnega in hrbteničnega omrežja na primeru Pošte Slovenije, d.o.o.
BUTINAR, MARKO (Author), Humar, Iztok (Mentor) More about this mentor... This link opens in a new window

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Abstract
Diplomsko delo predstavlja migracijo komunikacijskega omrežja iz zastarelih tehnologij v najsodobnejše na primeru Pošte Slovenije, ki je s tem želela ohraniti konkurenčno prednost v družbi. Nadgradnja tehnologije je potekala v dveh fazah. Prenova se je začela pri pristopnem omrežju, kjer so bili izvedeni prehodi iz zastarele Frame – Relay tehnologije na MPLS. Temu je sledila faza prenove hrbteničnega omrežja, ki je obsegala zamenjavo mrežnih stikal na treh centralnih vozliščih in zamenjava DWDM multiplekserjev z novejšimi, saj so obstoječa optična vlakna veliko bolj izkoriščena. Z nadgradnjo si je družba pridobila mnogo koristi. Na eni strani zmanjšala stroške rednega poslovanja (IP POS terminali, bankomati, IP telefonija, LOTO itd., ki so sedaj priklopljeni na lastno omrežje), na drugi pa svojim strankam ponudila nove storitve (e-arhiviranje, podatkovni centri, računalništvo v oblaku,…). Tehnologije, ki so pri prenovi največ prispevale pri povišanju kapacitet prenosa podatkov so: MPLS, ki s pomočjo labeliranja paketov in brez nepotrebnih poizvedb oziroma odločanj veliko hitreje prenaša podatke od vstopne do izstopne točke. Napredek je opazen tudi pri tehnologiji DWDM, ki je svoje kapacitete prenosa, glede na stanje pred prenovo, nekajkrat povečala. Tudi stikala so povišala svoje propustnosti s pomočjo novih tehnologij, kot sta port channel in Pseudowire, idr.

Language:Slovenian
Keywords:hrbtenično omrežje, pristopno omrežje, nadgradnja omrežij, MPLS, DWDM, podatkovni center, Pošta Slovenije
Work type:Undergraduate thesis (m5)
Organization:FE - Faculty of Electrical Engineering
Year:2016
Views:780
Downloads:402
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Secondary language

Language:English
Title:Upgrade of access and backbone network at Pošta Slovenije d.o.o.
Abstract:
The thesis presents the migration of a communication network from an outdated to an up-to-the-minute one. For Pošta Slovenije this was of utmost importance to keep the competitive edge of the company. The upgrading process consisted of two stages. The modernisation was first begun in the access network, where the transition from the outdated Frame-Relay technology to MPLS was made. This was followed by the renewal of the backbone network, which included the replacement of network switches at three central hubs and a replacement of DWDM multiplexers with newer ones, which make better use of the existing optical fibres. The upgrading has greatly benefited the company, which has (among other things) also reduced its operating costs (IP POS terminals, ATM machines, IP telephony, LOTO, etc. are now connected to its own network) and customers are offered new services (e-archiving, data centres, cloud computing, etc.). The technologies which had the greatest impact in terms of increasing the capacity of data transfer are: MPLS, which by labelling parcels and without any unnecessary searches and decisions enables a much faster data transfer from the entry point to the exit point. Progress is also noticed in DWDM technology, which has multiplied its transfer capacities in comparison to the capacities before the upgrading. The new switches have also had an increased throughput, which was enhanced by new technologies, such as port channel and Pseudowire, etc.

Keywords:backbone network, access network, upgrade network, MPLS, DWDM, data center, PoštaSlovenije

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