The infrastructures used in cities to supply power, water and gas are consistently becoming more automated. As society depends critically on these cyber-physical infrastructures, their survivability assessment deserves more attention. In this overview, we first touch upon a taxonomy on survivability of cyber-physical infrastructures, before we focus on three classes of infrastructures (gas, wat...

In order to achieve the combined advantages of optical broadband network and wireless network, the concept of Fiber wireless (FiWi) access network has been evolved. There are various research issues in FiWi network. Survivability and energy efficiency are of main concern. In this paper the main objective is to propose optimal segmentation of FiWi network, using adaptive energy segmentation algo...

The integration of different technologies such as ATM, SDH, and ABSTFWCT WDM in multilayer transport networks raises many questions regarding the coordination of the individual network layers. Especially in the area of network survivability, much can be gained by a better alignment of the healing actions taken by different network layers in case of outages. Survivability issues encountered in a...

Transcutaneous ultrasound is useful in the diagnosis, management, and prognosis in mares with complicated pregnancies. Although normal and abnormal ultrasound findings were fairly well correlated with the ultimate survivability of the foal, the practitioner should be aware that in our experience thus far, over 15% of the time ultrasound findings will not be predictive of foal survivability. Aut...

1389-1286/$ see front matter 2009 Elsevier B.V doi:10.1016/j.comnet.2009.02.014 * Corresponding author. Tel./fax: +47 99286858. E-mail addresses: [email protected] ( ee.duke.edu (K.S. Trivedi). Critical services in a telecommunication network should be continuously provided even when undesirable events like sabotage, natural disasters, or network failures happen. It is essential to pro...

Given the wide range of services to be offered by future optical backbone networks, network survivability becomes a quintessential aspect of network design. The survivability schemes of such networking infrastructures can be realized in two basic forms, viz., restoration-based and protection-based schemes or an appropriate combination of both. This article provides a brief overview of survivabl...