Abstract

Current optical networks are migrating to wavelength division multiplexing (WDM)-based fiber transport between traditional electronic multiplexers/demultiplexers, routers, and switches. Passive optical add-drop WDM networks have emerged but an optical data network that makes full use of the technologies of dynamic optical routing and switching exists only in experimental test-beds. This paper will discuss architecture and technology issues for the design of high performance optical data networks with two classes of technologies, WDM and time division multiplexing (TDM). The WDM network architecture presented will stress WDM aware internet protocol (IP), taking full advantage of optical reconfiguration, optical protection and restoration, traffic grooming to minimize electronics costs, and optical flow-switching for large transactions. Special attention is paid to the access network where innovative approaches to architecture may have a significant cost benefit. In the more distant future, ultrahigh-speed optical TDM networks, operating at single stream data rates of 100 Gb/s, may offer unique advantages over WDM networks. These advantages may include the ability to provide integrated services to high-end users, multiple quality-of-service (QoS) levels, and truly flexible bandwidth-on-demand. We will give an overview of an ultrahigh-speed TDM network architecture and describe recent key technology developments such as high-speed sources, switches, buffers, and rate converters.

[IEEE ]

Future Internet Infrastructure Based on the Transparent Integration of Access and Core Optical Transport Networks

T. Orphanoudakis, H.-C. Leligou, E. Kosmatos, and A. Stavdas
J. Opt. Commun. Netw. 1(2) A205-A218 (2009)

Scalable and low server-to-server latency data center network architecture based on optical packet inter-rack and intra-rack switching

Georgios Drainakis, Peristera Baziana, and Adonis Bogris
J. Opt. Commun. Netw. 15(11) 804-819 (2023)

New Unified PON-RAN Access Architecture for 4G LTE Networks

Kostas Ramantas, Kyriakos Vlachos, Anastasios N. Bikos, Georgios Ellinas, and Antonis Hadjiantonis
J. Opt. Commun. Netw. 6(10) 890-900 (2014)

Optically Disaggregated Data Centers With Minimal Remote Memory Latency: Technologies, Architectures, and Resource Allocation [Invited]

Georgios Zervas, Hui Yuan, Arsalan Saljoghei, Qianqiao Chen, and Vaibhawa Mishra
J. Opt. Commun. Netw. 10(2) A270-A285 (2018)

A time-shift scheduling-enabled optical flow switched network architecture and its performance

Shaowei Huang, Yosuke Katsukawa, Akio Tajima, Soichiro Araki, and Ken-ichi Kitayama
Opt. Express 19(27) 26872-26882 (2011)