… Metro Access Ring Characteristics The requirements for the DWDM metro access optical
ring—as opposed to those of the metro … The DWDM metro access optical ring has the following …

… and core networks. The present work introduces a unified metro-access optical network …
The essential aim is to enable bandwidth shared among different passive optical networks (…

… energy utilization in optical networks are surveyed. … of metro optical networks. A large number
of works studied the problem of minimizing the resources to be allocated in metro networks …

… A WDM star access network with colorless optical network units (ONUs) is … ; optical carrier
supply and spectrum slicing. In addition, a WDM metro ring network with scalable optical add/…

… all-optical integration of access and metro edge ring networks is the so-called next generation
Internet optical network for regional access … metro access ring networks by using optical …

… optical networks (LR-PONs) connected to a small number of core nodes, which we refer to
as metro… have similar levels of protection to the metro access networks of today. However, it …

… optical metro networks are being investigated. In this study we observe that operators can
jointly i) enforce Filterless Optical Network (… in metro networks to reduce the number of optical …

We describe progress to date on the IST project PIEMAN (Photonic Integrated Extended Metro
and Access Network, www. ist-pieman. org), which aims to build a radically new photonic (…

… Introduction Technological progress in optical fibre transmission has made enormous
capacities in access and metro networks technically possible. There is no technical reason …

… Metro access networks must provide a high data rate and bandwidth to keep pace with …
an optical metro access network (OMAN) is a viable option for next-generation optical networks …