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Network Protection
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101). (NEGONET)
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101). (NEGONET)ORCID-id: 0000-0001-6704-6554
2008 (Engelska)Ingår i: Next-Generation FTTH Passive Optical Networks: Research towards unlimited bandwidth access / [ed] Josep Prat, Springer, 2008, s. 111-124Kapitel i bok, del av antologi (Refereegranskat)
Abstract [en]

The significance of broadband and multimedia telecommunications is still increasing and the use of fibre-optic technology in the access network is growing very fast in order to meet customers demand. Along with the higher bandwidth demand, increasing number of subscribers, and advances in the Wavelength Division Multiplexing (WDM) device technology, the WDM Passive Optical Network (PON) and hybrid WDM/TDM (Time Division Multiplexed) PON has been considered as a next generation solution for the broadband access. Meanwhile, in order to meet Service Level Agreement (SLA) and guarantee the appropriate level of connection availability, fault management within any type of the PONs becomes more significant for the reliable service delivery and business continuance. Connection availability is an issue of deep concern to network operators since failure of any access network component, and thus interruption of their services, could result in significant losses of revenue. This chapter reviews some protection schemes in PONs and provides reliability performance evaluation for the considered architectures. A customer typically expects the end-to-end service availability at least at the same level as that provided by the traditional copper based systems. Thus, before investing in a new technology network operators need to make sure that it will not degrade the service quality perceived by the customers. To avoid misunderstanding we provide the set of definitions used in this chapter. Next, we review the protection schemes in PONs and follow with the reliability analysis and performance evaluation. Finally, we draw some conclusions.

Ort, förlag, år, upplaga, sidor
Springer, 2008. s. 111-124
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:kth:diva-87998DOI: 10.1007/978-1-4020-8470-6_5Scopus ID: 2-s2.0-84892357476ISBN: 978-1-4020-8469-0 (tryckt)OAI: oai:DiVA.org:kth-87998DiVA, id: diva2:502039
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QC 20140923

Tillgänglig från: 2012-02-14 Skapad: 2012-02-14 Senast uppdaterad: 2014-09-23Bibliografiskt granskad

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Totalt: 53 träffar
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