Exploració per autor "Klinkowski, Miroslaw"
Ara es mostren els items 15-34 de 46
-
Channel allocation in dense wavelength division multiplexing radio-over-fiber networks
(2010)
Text en actes de congrés
Accés obertIn this paper we address the problem of the Radio-over-Fiber (RoF) network design. In particular, we focus on a DWDM RoF network for which we formulate a maximal service RoF channel allocation (MSCA) problem. Although MSCA ... -
Column generation algorithm for RSA problems in flexgrid optical networks
(2013-10)
Article
Accés restringit per política de l'editorialFinding optimal routes and spectrum allocation in flexgrid optical networks, known as the RSA problem, is an important design problem in transport communication networks. The problem is TeX -hard, and its intractability ... -
Evaluation of Add/Drop flexibility requirements in future SDM-enabled ROADMs
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertIn this paper, we evaluate five different architectures for implementing the Add/Drop module of future Spatial Division Multiplexing (SDM)-enabled Re-configurable Optical Add & Drop Multiplexers (ROADMs) with different ... -
Experimental study on the impact of regenerator placement strategies when dynamically provisioning in translucent GMPLS WSON networks
(Optical Society of America, 2011)
Text en actes de congrés
Accés obertThe impact of the regenerator placement strategies when dynamically provisioning connections in translucent WSON is studied. The evaluation is experimentally conducted in the ADRENALINE testbed in terms of the connection ... -
Impact of aggregation level on the performance of dynamic lightpath adaptation under time-varying traffic
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn this article we focus on lightpath adaptation under time-varying traffic in a dynamic elastic optical network (EON) implementing flexgrid optical technology. In the considered scenario, a number of IP/MPLS metro area ... -
Joint content placement and lightpath routing and spectrum assignment in CDNs over elastic optical network scenarios
(2016-03-01)
Article
Accés obertIn this work, we address the problem of jointly deciding the placement of the contents delivered by a Content Distribution Network (CDN) among the available data centers, together with the allocation of the lightpaths ... -
Metaheuristic hybridizations for the regenerator placement and dimensioning problem in sub-wavelength switching optical networks
(Elsevier, 2013-02-01)
Article
Accés restringit per política de l'editorialPhysical layer impairments severely limit the reach and capacity of optical systems, thereby hampering the deployment of transparent optical networks (i.e., no electrical signal regenerators are required). Besides, the ... -
Modeling the routing and spectrum allocation problem for flexgrid optical networks
(2012-12)
Article
Accés restringit per política de l'editorialFlexgrid optical networks are attracting huge interest due to their higher spectrum efficiency and flexibility in comparison with traditional wavelength switched optical networks based on the wavelength division multiplexing ... -
Modelling and performance evaluation of a translucent OBS network architecture
(IEEE Computer Society Publications, 2010)
Text en actes de congrés
Accés obertMost research works in optical burst switching (OBS) networks do not take into account the impact of physical layer impairments (PLIs) either by considering fully transparent (i.e., using optical 3R regeneration) or opaque ... -
Non-linear optimization for multi-path source routing in OBS networks
(2007-12)
Article
Accés obertOptical Burst Switching (OBS) architectures without buffering capabilities are sensitive to burst losses. A proper routing strategy may help to reduce such congestion. In this letter we present a novel approach for OBS ... -
Offline impairment-aware RWA and regenerator placement in translucent optical networks
(2010-09-29)
Report de recerca
Accés obertIn translucent optical networks the physical layer impairments degrading the optical signal are considered in the network design. In this paper we investigate the offline problem of Routing and Wavelength Assignment (RWA) ... -
Offline routing and regenerator placement and dimensioning for translucent OBS networks
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011-09)
Article
Accés restringit per política de l'editorialThe deployment of translucent optical networks is considered the most promising short term solution to decrease costs and energy consumption in optical backbone networks. In fact, translucent wavelength switched optical ... -
Offset time-emulated architecture for optical burst switching-modelling and performance evaluation
(Universitat Politècnica de Catalunya, 2008-02-14)
Tesi
Accés obertL'evolució de les xarxes publiques de transport de dades destaca per el continu augment de la demanda de tràfic a la que estan sotmeses. La causa és la imparable popularització d'Internet i del seu ús per a tot tipus ... -
On the offline physical layer impairment aware RWA algorithms in transparent optical networks: state-of-the-art and beyond
(IEEE Press and Wiley, 2009-02-18)
Text en actes de congrés
Accés obertIn transparent optical networks with no regeneration, the problem of capacity allocation to traffic demands is called "Roting and Wavelength Assignment". Much work on this topic recently has focused on the dynamic case, ... -
On the performance of flexgrid-based optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe ever increasing IP traffic volume has finally brought to light the high inefficiency of current wavelength-routed rigid-grid networks in matching the client layer requirements. Such an issue results in the deployment ... -
On the physical impairments constraint in OBS networks
(2010)
Text en actes de congrés
Accés obertThe introduction of sub-wavelength switching is one of the main objectives of the future transparent optical mesh networks. One strong candidate is Optical Burst Switching (OBS) which improves the resource utilisation by ... -
Optimization models for flexgrid elastic optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn the paper we present integer programming (IP) optimization models for flexgrid elastic optical networks (EON). We consider several different basic assumptions regarding flexibility of EON that lead to a variety of IP ... -
Performance issues in Optical Burst/Packet Switching
(Springer, 2009-04-01)
Capítol de llibre
Accés restringit per política de l'editorialThis chapter summarises the activities on optical packet switching (OPS) and optical burst switching (OBS) carried out by the COST 291 partners in the last 4 years. It consists of an introduction, five sections with ... -
Performance overview of the offset time emulated OBS network architecture
(2009-07)
Article
Accés obertOptical burst switching (OBS) control architecture considers two different models for the management of the offset time in the network. The conventional OBS (C-OBS) introduces the offset time in soft-way by delaying the ... -
Preemption window for burst differentiation in OBS
(BERTScope, 2008-02-28)
Text en actes de congrés
Accés obertThis paper presents a novel control architecture for optical burst switching networks to efficiently apply burst preemption without the resources overbooking, which is specific to conventional OBS. Simulation results prove ...
