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Authors:
Theofanis Orphanoudakis
Chris Matrakidis
Christina (Tanya) Politi
Alexandros Stavdas
Helen-Catherine Leligou
Evangelos Kosmatos
Keywords: Passive optical networks; wavelength division multiplexing; access-core integration; medium access control; FTTx
Abstract:
Currently, networks are developed based on the layered model focusing on customized solutions for the access,metro and core domains. Access networks rely upon centralized packet multiplexers, while core network switches rely on large port count electronic switches assisted where appropriate by Optical Cross-Connects (OXCs). However, this monolithic model can lead to capacity and space bottlenecks,compromise network services because of a lack of common feature sets, and limit the revenue that data services can produce for operators. In this paper, we present a novel control plane solution, which can lead to metro network segment collapse and access-core integration supported by an efficient traffic control and distributed multiplexing scheme based on a hybrid long-reach fiber access network architecture. We show that this architecture can be exploited as a large scale distributed multiplexer that can be used to funnel traffic directly from access networks over a core optical network and describe a control plane architecture compatible with the concept of Software Defined Networking for simplifying the aggregation process and improving performance at the same time.
Pages: 23 to 28
Copyright: Copyright (c) IARIA, 2014
Publication date: October 12, 2014
Published in: conference
ISSN: 2163-9027
ISBN: 978-1-61208-368-1
Location: Nice, France
Dates: from October 12, 2014 to October 16, 2014