QoS z vidika dobave, zagotavljanja in obračunavanja storitev
Robnik, Ana
Sistema za podporo obratovanju (Operation Support System - OSS) in poslovanju (Business Support System - BSS) sta izredno pomembna vezna člena med različnimi omrežji, omrežnimi elementi in njihovimi ...upravljavci na eni strani ter sistemoma za upravljanje odnosov s stranko (Customer Relationship Management - CRM) in samoupravljanje končnih uporabnikov (Self Management) na drugi strani. Prispevek opisuje, katera opravila s področja upravljanja kakovosti storitve (Quality of Service Management) naj bodo na voljo, tako v OSS in BSS kot v upravljavcih omrežnih elementov in omrežnih elementih samih, da zadovoljivo obvladujemo dobavo, zagotavljanje in obračunavanje kakovosti storitev, tako v klasičnih omrežjih PSTN (temeljijo na vodovnem načinu prenosa, predvsem govora) kot tudi v omrežjih naslednje generacije NGN (temeljijo na paketnem načinu prenosa govora, podatkov in multimedije). Razredi kakovosti storitev v NGN postajajo vse pomembnejša kategorija, ki zahteva celovito podporo v vseh omenjenih procesih. Ponudnik in uporabnik storitev jih opredelita v dogovoru o ravni storitev (SLA- Service Level Agreement), upoštevati pa se morajo pri dobavi, zagotavljanju in obračunavanju. Za potrebe obračunavanja v IP omrežju je standardiziran nov tip zapisa IDPR.
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