A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application

Hisashi IWAMOTO; Yuji YANO; Yasuto KURODA; Koji YAMAMOTO; Kazunari INOUE; Ikuo OKA

doi:10.1587/transele.E96.C.1076

A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application

Hisashi IWAMOTO, Yuji YANO, Yasuto KURODA, Koji YAMAMOTO, Kazunari INOUE, Ikuo OKA

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Ternary content addressable memory (TCAM) is popular LSI for use in high-throughput forwarding engines on routers. However, the unique structure applied in TCAM consume huge amounts of power, therefore it restricts the ability to handle large lookup table capacity in IP routers. In this paper, we propose a commodity-memory based hardware architecture for the forwarding information base (FIB) application that solves the substantial problems of power and density. The proposed architecture is examined by a fabricated test chip with 40 nm embedded DRAM (eDRAM) technology, and the effect of power reduction verified is greatly lower than conventional TCAM based and the energy metric achieve 0.01 fJ/bit/search. The power consumption is almost 0.5 W at 250 Msps and 8M entries.

Publication: IEICE TRANSACTIONS on Electronics Vol.E96-C No.8 pp.1076-1082

Publication Date: 2013/08/01

Publicized

Online ISSN: 1745-1353

DOI: 10.1587/transele.E96.C.1076

Type of Manuscript: PAPER

Category: Integrated Electronics

Authors

Hisashi IWAMOTO
  Renesas Electronics
Yuji YANO
  Renesas Electronics
Yasuto KURODA
  Renesas Electronics
Koji YAMAMOTO
  Renesas Design
Kazunari INOUE
  Osaka University
Ikuo OKA
  Osaka City University

Keyword

router, address lookup, power consumption, search engine, TCAM, low power

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Hisashi IWAMOTO, Yuji YANO, Yasuto KURODA, Koji YAMAMOTO, Kazunari INOUE, Ikuo OKA, "A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application" in IEICE TRANSACTIONS on Electronics, vol. E96-C, no. 8, pp. 1076-1082, August 2013, doi: 10.1587/transele.E96.C.1076.
Abstract: Ternary content addressable memory (TCAM) is popular LSI for use in high-throughput forwarding engines on routers. However, the unique structure applied in TCAM consume huge amounts of power, therefore it restricts the ability to handle large lookup table capacity in IP routers. In this paper, we propose a commodity-memory based hardware architecture for the forwarding information base (FIB) application that solves the substantial problems of power and density. The proposed architecture is examined by a fabricated test chip with 40 nm embedded DRAM (eDRAM) technology, and the effect of power reduction verified is greatly lower than conventional TCAM based and the energy metric achieve 0.01 fJ/bit/search. The power consumption is almost 0.5 W at 250 Msps and 8M entries.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E96.C.1076/_p

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@ARTICLE{e96-c_8_1076,
author={Hisashi IWAMOTO, Yuji YANO, Yasuto KURODA, Koji YAMAMOTO, Kazunari INOUE, Ikuo OKA, },
journal={IEICE TRANSACTIONS on Electronics},
title={A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application},
year={2013},
volume={E96-C},
number={8},
pages={1076-1082},
abstract={Ternary content addressable memory (TCAM) is popular LSI for use in high-throughput forwarding engines on routers. However, the unique structure applied in TCAM consume huge amounts of power, therefore it restricts the ability to handle large lookup table capacity in IP routers. In this paper, we propose a commodity-memory based hardware architecture for the forwarding information base (FIB) application that solves the substantial problems of power and density. The proposed architecture is examined by a fabricated test chip with 40 nm embedded DRAM (eDRAM) technology, and the effect of power reduction verified is greatly lower than conventional TCAM based and the energy metric achieve 0.01 fJ/bit/search. The power consumption is almost 0.5 W at 250 Msps and 8M entries.},
keywords={},
doi={10.1587/transele.E96.C.1076},
ISSN={1745-1353},
month={August},}

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TY - JOUR
TI - A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application
T2 - IEICE TRANSACTIONS on Electronics
SP - 1076
EP - 1082
AU - Hisashi IWAMOTO
AU - Yuji YANO
AU - Yasuto KURODA
AU - Koji YAMAMOTO
AU - Kazunari INOUE
AU - Ikuo OKA
PY - 2013
DO - 10.1587/transele.E96.C.1076
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E96-C
IS - 8
JA - IEICE TRANSACTIONS on Electronics
Y1 - August 2013
AB - Ternary content addressable memory (TCAM) is popular LSI for use in high-throughput forwarding engines on routers. However, the unique structure applied in TCAM consume huge amounts of power, therefore it restricts the ability to handle large lookup table capacity in IP routers. In this paper, we propose a commodity-memory based hardware architecture for the forwarding information base (FIB) application that solves the substantial problems of power and density. The proposed architecture is examined by a fabricated test chip with 40 nm embedded DRAM (eDRAM) technology, and the effect of power reduction verified is greatly lower than conventional TCAM based and the energy metric achieve 0.01 fJ/bit/search. The power consumption is almost 0.5 W at 250 Msps and 8M entries.
ER -