All-to-all broadcast is to disseminate a unique message from each node to every other node of the network. This paper investigates the impact of some of the physical layer impairments on the optical all-to-all broadcast in linear array, bidirectional ring and hypercube networks. The physical layer impairments include Amplified Spontaneous Emission (ASE) noise, switch induced crosstalk and demux...

In both, metropolitan optical networks (MON) and long haul optical networks (LHON) the signal quality is often influenced by the physical impairments, therefore a proper impairment based routing decision is needed. In the absence of all-optical 3R regenerators, the quality of transmission has a strong impact on the feasibility of all-optical transmission. It is assumed that signal regeneration ...

The future Internet architecture will require a clean-slate design in order to successfully accommodate the exploding bandwidth demand. Next-generation networking applications should support a bidirectional cross-layer information exchange in which the physical-layer performance, characteristics, and impairments can be extracted for higher-layer routing decisions. The dynamic cross-layer mechan...

In transparent optical networks as the signal propagates through a transparent network it experiences the impact of a variety of quality degrading phenomena that are introduced by different types of signal distortions. In this chapter we present a new optical networking paradigm for mesh topology, in which the impact of physical layer impairments are considered in lightpath routing (routing and...

Physical layer impairments in optical fibers degrade the quality of the optical signal as it propagates along a lightpath. This leads to an increase in the Bit Error Rate (BER) of the optical signal and the corresponding lightpath becomes infeasible for communication if the BER crosses a certain threshold limit. Traditional RWA approaches assume an ideal physical layer medium and ignore the eff...

Imagine a world of people who are connected through networks either they are far or close to each other and they could communicate in just “planks time”(that is believed to be the possible shortest duration) by paying less and obtaining great speed to communicate, this is just what the researchers are trying to obtain these days. One of the major problems facing optical networks is Routing and ...

1389-1286/$ see front matter 2008 Elsevier B.V doi:10.1016/j.comnet.2008.11.014 * Corresponding author. Address: Athens Informat Markopoulo Ave., 19002 Peania, Athens, Greece. Te E-mail addresses: [email protected], siamak@ac. molky), [email protected] (M. Klinkowski), Marin), [email protected] (D. Careglio), pareta@ac [email protected] (I. Tomkos). Optical networks are moving from opaque and t...