- 1、本文档共19页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
Energy Efficient Ethernet
IEEE 802.3az May 2008 Interim Meeting 1
Energy Efficient Ethernet
Switching Perspective
Dan Dove
ProCurve Networking by HP
IEEE 802.3az May 2008 Interim Meeting 2
Supporters
Thanks to the following for review, feedback, and support:
Brad Booth – AMCC
Bill Woodruff – Aquantia
David Koenen – HP
Rob Hays – Intel
Joseph Chou – Realtek
George Zimmerman– Solarflare
Dimitry Taich – Teranetics
Mandeep Chadha – Vitesse
IEEE 802.3az May 2008 Interim Meeting 3
Switch Perspective
? PHY Power Savings is important
? MAC Infrastructure Savings also
important
? Determine Key control points
? Determine Key control parameters
? Determine Means for communicating
control parameters
IEEE 802.3az May 2008 Interim Meeting 4
Switch Infrastructure (example)
Fabric
(20W)
System
Processor
Memory
(10W)
System
Power
Supplies
Fans
Fans
Fans
(20W)
System
Power
Supplies
System
Power
Supplies
(60W)
PHY Power is a
substantial percentage
of the overall switch
infrastructure power
consumption but not
sufficient to achieve
desired energy savings
10GBASE-T
dramatically shifts the
percentage of power to
PHY but for many
customers fiber or
10/100 or 1000BASE-T
will be used.
EEE should be useful
not just for reducing
PHY power, but for
reducing system power
Network
Switching
Engine
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
Memory
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
Hotswap
Power Supplies
Mgmt
Processor
Network
Switching
Engine
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
Memory
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
Hotswap
Power Supplies
Mgmt
Processor
Blade
LEDs
Network
Switching
Engine
PHY
Memory
MAC
Hotswap
Power Supplies
Mgmt
Processor
Network
Switching
Engine
PHY
Memory
MAC
Hotswap
Power Supplies
Mgmt
rocessor
Blade
LEDs
Network
Switching
Engine
PHY
Memory
MAC
Hotswap
Power Supplies
Mgmt
Processor
Network
Switching
Engine
(20W)
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
PHY
Memory
(2W)
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
Hot wap
DC/DC
(8W)
gmt
Processor
(5W)
Blade
LEDs
Approximate PHY power
Copper:
您可能关注的文档
- Crosstalk Delay Threat , Are you Ready (TI).pdf
- CSB-E09745h 人网膜素(omentin)ELISA Kit.pdf
- CSpace 2.0 安装及配置管理手册.pdf
- CSR系列真彩色无纸记录仪英文版说明书.pdf
- CS_Samsung_Electronics.pdf
- cTI A constraint-based termination inference tool for ISO-Prolog.pdf
- CTI- EU REACH 讲义.pdf
- CTXS-6603S(SP)_(.pdf
- CUHK FACULTY OF EDUCATION.pdf
- CS_lecture 5(Value Chain_2012).pdf
文档评论(0)