Wavelength reuse for efficient packet-switched transport in an AWG-based metro WDM network

Michael Scheutzow, Martin Maier, Martin Reisslein, Adam Wolisz

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Metro wavelength-division multiplexed (WDM) networks play an important role in the emerging Internet hierarchy; they interconnect the backbone WDM networks and the local-access networks. The current circuit-switched SONET/synchronous digital hierarchy (SDH)-over-WDM-ring metro networks are expected to become a serious bottleneck - the so-called metro gap - as they are faced with an increasing amount of bursty packet data traffic and quickly increasing bandwidths in the backbone networks and access networks. Innovative metro WDM networks that are highly efficient and able to handle variable-size packets are needed to alleviate the metro gap. In this paper, we study an arrayed-waveguide grating (AWG)-based single-hop WDM metro network. We analyze the photonic switching of variable-size packets with spatial wavelength reuse. We derive computationally efficient and accurate expressions for the network throughput and delay. Our extensive numerical investigations - based on our analytical results and simulations - reveal that spatial wavelength reuse is crucial for efficient photonic packet switching. In typical scenarios, spatial wavelength reuse increases the throughput by 60% while reducing the delay by 40%. Also, the throughput of our AWG-based network with spatial wavelength reuse is roughly 70% larger than the throughput of a comparable single-hop WDM network based on a passive star coupler (PSC).

Original languageEnglish (US)
Pages (from-to)1435-1455
Number of pages21
JournalJournal of Lightwave Technology
Volume21
Issue number6
DOIs
StatePublished - Jun 2003

Fingerprint

Arrayed waveguide gratings
reuse
division
gratings
waveguides
Wavelength
wavelengths
Throughput
optical switching
Photonics
hierarchies
Packet switching
packet switching
Telecommunication traffic
Stars
couplers
traffic
emerging
Internet

Keywords

  • Arrayed-waveguide grating (AWG)
  • Medium access control
  • Metro wavelength-division multiplexed (WDM) network
  • Multiple free spectral ranges
  • Passive star coupler (PSC)
  • Photonic packet switching
  • Spatial wavelength reuse

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Wavelength reuse for efficient packet-switched transport in an AWG-based metro WDM network. / Scheutzow, Michael; Maier, Martin; Reisslein, Martin; Wolisz, Adam.

In: Journal of Lightwave Technology, Vol. 21, No. 6, 06.2003, p. 1435-1455.

Research output: Contribution to journalArticle

Scheutzow, Michael ; Maier, Martin ; Reisslein, Martin ; Wolisz, Adam. / Wavelength reuse for efficient packet-switched transport in an AWG-based metro WDM network. In: Journal of Lightwave Technology. 2003 ; Vol. 21, No. 6. pp. 1435-1455.
@article{18d9141bd4b6460cba51ce6d51687ecb,
title = "Wavelength reuse for efficient packet-switched transport in an AWG-based metro WDM network",
abstract = "Metro wavelength-division multiplexed (WDM) networks play an important role in the emerging Internet hierarchy; they interconnect the backbone WDM networks and the local-access networks. The current circuit-switched SONET/synchronous digital hierarchy (SDH)-over-WDM-ring metro networks are expected to become a serious bottleneck - the so-called metro gap - as they are faced with an increasing amount of bursty packet data traffic and quickly increasing bandwidths in the backbone networks and access networks. Innovative metro WDM networks that are highly efficient and able to handle variable-size packets are needed to alleviate the metro gap. In this paper, we study an arrayed-waveguide grating (AWG)-based single-hop WDM metro network. We analyze the photonic switching of variable-size packets with spatial wavelength reuse. We derive computationally efficient and accurate expressions for the network throughput and delay. Our extensive numerical investigations - based on our analytical results and simulations - reveal that spatial wavelength reuse is crucial for efficient photonic packet switching. In typical scenarios, spatial wavelength reuse increases the throughput by 60{\%} while reducing the delay by 40{\%}. Also, the throughput of our AWG-based network with spatial wavelength reuse is roughly 70{\%} larger than the throughput of a comparable single-hop WDM network based on a passive star coupler (PSC).",
keywords = "Arrayed-waveguide grating (AWG), Medium access control, Metro wavelength-division multiplexed (WDM) network, Multiple free spectral ranges, Passive star coupler (PSC), Photonic packet switching, Spatial wavelength reuse",
author = "Michael Scheutzow and Martin Maier and Martin Reisslein and Adam Wolisz",
year = "2003",
month = "6",
doi = "10.1109/JLT.2003.812723",
language = "English (US)",
volume = "21",
pages = "1435--1455",
journal = "Journal of Lightwave Technology",
issn = "0733-8724",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "6",

}

TY - JOUR

T1 - Wavelength reuse for efficient packet-switched transport in an AWG-based metro WDM network

AU - Scheutzow, Michael

AU - Maier, Martin

AU - Reisslein, Martin

AU - Wolisz, Adam

PY - 2003/6

Y1 - 2003/6

N2 - Metro wavelength-division multiplexed (WDM) networks play an important role in the emerging Internet hierarchy; they interconnect the backbone WDM networks and the local-access networks. The current circuit-switched SONET/synchronous digital hierarchy (SDH)-over-WDM-ring metro networks are expected to become a serious bottleneck - the so-called metro gap - as they are faced with an increasing amount of bursty packet data traffic and quickly increasing bandwidths in the backbone networks and access networks. Innovative metro WDM networks that are highly efficient and able to handle variable-size packets are needed to alleviate the metro gap. In this paper, we study an arrayed-waveguide grating (AWG)-based single-hop WDM metro network. We analyze the photonic switching of variable-size packets with spatial wavelength reuse. We derive computationally efficient and accurate expressions for the network throughput and delay. Our extensive numerical investigations - based on our analytical results and simulations - reveal that spatial wavelength reuse is crucial for efficient photonic packet switching. In typical scenarios, spatial wavelength reuse increases the throughput by 60% while reducing the delay by 40%. Also, the throughput of our AWG-based network with spatial wavelength reuse is roughly 70% larger than the throughput of a comparable single-hop WDM network based on a passive star coupler (PSC).

AB - Metro wavelength-division multiplexed (WDM) networks play an important role in the emerging Internet hierarchy; they interconnect the backbone WDM networks and the local-access networks. The current circuit-switched SONET/synchronous digital hierarchy (SDH)-over-WDM-ring metro networks are expected to become a serious bottleneck - the so-called metro gap - as they are faced with an increasing amount of bursty packet data traffic and quickly increasing bandwidths in the backbone networks and access networks. Innovative metro WDM networks that are highly efficient and able to handle variable-size packets are needed to alleviate the metro gap. In this paper, we study an arrayed-waveguide grating (AWG)-based single-hop WDM metro network. We analyze the photonic switching of variable-size packets with spatial wavelength reuse. We derive computationally efficient and accurate expressions for the network throughput and delay. Our extensive numerical investigations - based on our analytical results and simulations - reveal that spatial wavelength reuse is crucial for efficient photonic packet switching. In typical scenarios, spatial wavelength reuse increases the throughput by 60% while reducing the delay by 40%. Also, the throughput of our AWG-based network with spatial wavelength reuse is roughly 70% larger than the throughput of a comparable single-hop WDM network based on a passive star coupler (PSC).

KW - Arrayed-waveguide grating (AWG)

KW - Medium access control

KW - Metro wavelength-division multiplexed (WDM) network

KW - Multiple free spectral ranges

KW - Passive star coupler (PSC)

KW - Photonic packet switching

KW - Spatial wavelength reuse

UR - http://www.scopus.com/inward/record.url?scp=0042921509&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0042921509&partnerID=8YFLogxK

U2 - 10.1109/JLT.2003.812723

DO - 10.1109/JLT.2003.812723

M3 - Article

AN - SCOPUS:0042921509

VL - 21

SP - 1435

EP - 1455

JO - Journal of Lightwave Technology

JF - Journal of Lightwave Technology

SN - 0733-8724

IS - 6

ER -