The Internet is emerging as the new universal telecommunication medium. IP over WDM has been envisioned as one of the most attractive architectures for the new Internet. Consequently survivability is a crucial concern in designing IP over WDM networks. This paper presents a survey of the survivability mechanisms for IP over WDM networks. A number of optical layer protection techniques have been...

Most existing wavelength-division multiplexed (WDM) networks employ circuit switching, typically with one session having exclusive use of one entire wavelength. Consequently they are not suitable for data applications involving bursty traac patterns. The All-Optical Network (AON) Consortium has developed an all-optical LAN/MAN testbed which provides time-slotted WDM service 1]. In this paper, w...

The ever-increasing growth of the current Internet traffic volume is demanding a bandwidth which can only be satisfied by means of optical technology. However, while WDM networks will bring an unprecedented amount of available bandwidth, traffic management techniques become necessary in order to make this bandwidth readily available to the end user. In this chapter we provide an overview of tra...

Abstract The apodization profiles improve chirped fiber Bragg grating (CFBG) capability to compensate dispersion which enhances the performance of wavelength division multiplexing (WDM) systems. In this paper, a new profile is proposed enhance and reduces power budget for WDM system. newly implemented CFBG as post compensator in system 100 km. It found transmitted at BER 10 −9 . evaluation comp...

Thin film multilayer narrow bandpass interference filters are widely used in wavelength division multiplexing (WDM) applications in fibre optic communication systems. These filters must have sharp cut-on and cut-off on either side of the passband and practically zero transmittance outside the passband, over the wavelength range of the application. In an effort to demonstrate the feasibility of ...

It took roughly 10 years for the transport network industry to migrate from PDH to SONET. As this technology swap comes to an end, WDM technology is dawning, promising to revolutionize the network industry, with the possibility of transport bit rates above 10 Gb/s as well as transparency to signal encodings. However, a new wave of equipment upgrade is unlikely to happen as current SONET equipme...

In scheduling the transmission of messages in a WDM network, we are facing not only the channel assignment problem but also message sequencing problem In this paper, we propose and evaluate a new reservationbased message scheduling algorithm for single-hop, WDM passive star lightwave network which addresses both the assignment aspect and the sequencing aspect of the problem. We compare the perf...

Multi-domain wavelength-division multiplexing (M-WDM) is proposed as a generalization of single star-coupled WDM networks. The objective is to provide scalable interconnection schemes for different parallel computer architectures that utilize the multi-channel and tunability characteristics of photonic network devices, given their existing limitations. Device tunability results in reconfigurabl...

111 www.ijeas.org  Abstract— This work is focused to carry out investigation of WDM Free Space Optical transmission when even and odd channels are orthogonally polarized. In this work 8 independent channels each having capacity of 1.56Gbps are transmitted over free space optical link of 15 kilometer at different beam divergence angles. Systems with and without polarization interleaving are com...

As speed & bandwidth has always been a cause of concern in communication network, WDM emerges as a vital solution to these problems. The problem arises when the demand for bandwidth in a fiber optic network exceeds the current capacity, WDM helps in expanding the capacity of a fiber optic network without requiring additional fiber. The decision problem is to find the most cost-effective combina...