Enhancing the efficiency and the reliability of the data center are the technical challenges for
maintaining the quality of services for the end-users in the data center operation. The energy …

A cloud data center is a critical infrastructure whose service reliability is relevant for service
delivery. Constituting the carrier of service for cloud computing, the IT architecture of a cloud …

Individual users and enterprises are increasingly relying on the access to internet services
and cannot accept long interruption time as easily as before. Moreover, the main …

Multi-thread polling (MTP) with offline scheduling and offline excess bandwidth distribution
has recently been proposed to overcome the long propagation delay of long-reach passive …

Energy efficiency is expected to be a key design parameter for next-generation
access/aggregation networks. Using a single network infrastructure to aggregate/backhaul …

Network survivability and protection mechanisms are very important and necessary in
optical networks. The long-reach passive optical network (LR-PON) proposed in this paper …

Fiber-Wireless (FiWi) broadband access network is a promising “last mile” access
technology, because it integrates wireless and optical access technologies in terms of their …

Fiber-wireless (FiWi) access network is a promising access technology because it integrates
the merits of optical and wireless access networks. In FiWi network, the placement of optical …

This paper demonstrates a wavelength-division-multiplexed passive optical network (WDM-
PON) scheme based on novel reconfigurable optical amplifiers (ROAs). The measured …

Network reliability is very important for the next generation of optical networks. In this paper,
a highly reliable protection mechanism, which integrates the approaches of optical …