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Single Pair Ethernet (SPE) comes to town.
by Peter Jones
Ethernet is continuing its long history of evolving to meet new needs. Over the past few years IEEE 802.3 has been working on the definition of BASE-T1 Ethernet. Unlike the…
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Get Plugged in to Ethernet’s Next Era
by John D'Ambrosia
Today’s IEEE 802.3 Ethernet standard consists of 126 clauses and associated annexes that spans 8 sections or approximately 5600 pages.  The IEEE 802.3 Ethernet Working Group produces these Ethernet standards,…
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PAM4 is Here!
by John D'Ambrosia
We are at a unique point in Ethernet’s history. During the development of IEEE Std 802.3bs™-2017 for 200 GbE and 400 GbE, a critical decision was made to shift from…
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On the Go with Ethernet
by John D'Ambrosia
Ethernet’s roots in the enterprise space are undeniable.  The development of 1000BASE-T is considered by many to be the most successful Ethernet project ever.   Nonetheless, Ethernet’s expansion into new application…
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The Quest
by John D'Ambrosia
When the journey to 100 Gigabit Ethernet began over 10 years ago, the question was often asked when would native 100 Gb/s Ethernet be specified?  Flash forward to 2018 and…
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In Search of Ethernet’s Holy Grail
by John D'Ambrosia
OFC 2018 will be remembered by many as the coming out party for 400 Gb/s Ethernet. And while that would be a fair assessment of the show, in reality this…
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Highlights from OFC 2018 Show Floor
by Paul Mooney
If you only had one hour to spend at this year’s Optical Fiber Conference in San Diego, you could not have spent it better than by visiting the Ethernet Alliance…
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50 GbE at OFC
by John D'Ambrosia
This year’s OFC multi-vendor interoperability demonstration is one of the biggest undertakings in the history of the Ethernet Alliance.  With 400GbE taking OFC by storm this year, the Ethernet Alliance…
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My journey on the Ethernet Highway
by John D'Ambrosia
I have had many roles in the Ethernet community.  I was that green-kid who showed up for his first meeting, not really sure what he was getting himself into.  I…
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The 200GMII / 400GMII Extenders
by John D'Ambrosia
During the development of the underlying architecture, it was recognized that the system needed to be inherently flexible, as it would provide the foundation for future specifications.  Developing solutions for…
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The IEEE 802.3bs 200GbE and 400GbE Architecture
by Ethernet Alliance
The development of the underlying architecture that will be the foundation of a new Ethernet rate family is perhaps the most crucial aspect of such a project.    The architecture must…
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The Hazards of Passive PoE
by Ethernet Alliance
There is nothing more frustrating for the consumer or end-user than when they open up a product thinking it worked with a standard only to find that there are interoperability issues. This…
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Introducing 200 GbE & 400 GbE
by Ethernet Alliance
Welcome 200 GbE and 400GbE At the the IEEE-SA December 2017 Standards Board Meeting, IEEE Std 802.3bs™-2017, which specifies 200 Gigabit and 400 Gigabit Ethernet operation, was ratified.  In moving…
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Power to the People – Delivering on the Promise of PoE
by Ethernet Alliance
The Ethernet community never stops innovating. We’re always pushing the boundaries, finding new ways of advancing this important technology that has become the cornerstone of today’s high-speed networks. As we…
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Ethernet ecosystem driven by applications, not speed alone
by Ethernet Alliance
In an article recently published in Network World Dave Chalupsky, a member of the Ethernet Alliance board of directors, describes how Ethernet applications now drive new Ethernet incarnations. Chalupsky articulates…
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Testing and measurement: a pillar of the Ethernet ecosystem
by Ethernet Alliance
Nimble T&M companies support Ethernet’s new speeds and applications A new article describing the critical role of test and measurement in a rapidly expanding Ethernet ecosystem, written by the Alliance’s…
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2.5 Gbps and 5 Gbps Ethernet Goes Mainstream
by Peter Jones
Peter Jones, NBASE-T Alliance Chairman It always amazes me how new innovations keep propelling our industry forward.  Less than two years ago when the NBASE-T Alliance was founded, there was…
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Commitment to Interoperability
by Ethernet Alliance
By John D’Ambrosia, Chairman, Ethernet Alliance “You plug it in, and it works!” The footprint of Ethernet end users overlays almost every industry and every market around the world. It’s…
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Killer Video of Ethernet Speeds
by Ethernet Alliance
By Scott Kipp, President, Ethernet Alliance The Ethernet Alliance is pleased to present our new animated video presenting the long and winding Ethernet road to terabit speeds. Check it out…
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QSFP28 and CFP: Out with the Old and in with the New
by Ethernet Alliance
By Ken Van Orman, Senior Product Manager Hardware and Platforms, Spirent Communications In this year’s Ethernet Alliance OFC demo, QSFP28 makes an appearance and CFP takes a bow. This reflects…
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What’s all this talk about a rate debate?
by Paul Nikolich
By Paul Nikolich, Chairman, IEEE 802 LMSC 802 LMSC Standards: market relevant, high quality and transparent– what a combination! One of the characteristics that distinguish the 802 LAN/MAN Standards Committee…
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Ethernet: Evolving at the Rate of Innovation
by John D'Ambrosia
Last year, while preparing to celebrate Ethernet’s 40th anniversary, I pressed Bob Metcalfe, the father of Ethernet, to define Ethernet for me.  Bob’s answer has stood out in my head…
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5 New Speeds – 2.5, 5, 25, 50 and 400 GbE
by Scott Kipp
While I used to be able to count the number of relevant Ethernet speeds on my right hand (100 Mb/s, 1, 10, 40, and 100 Gb/s), I now need all…
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What’s a PoE logo for, anyway?
by Dave Dwelley
I just read Jonathan Seckler’s post on Power over Ethernet (PoE) Logo Certification, and it got me thinking – what is a logo for, anyway? The most successful industry logos…
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TEF 2014: The Rate Debate
by John D'Ambrosia
The recent request to do a “Call-for-Interest” in the IEEE 802.3 Ethernet Working Group at the upcoming IEEE 802 July Plenary to address 25 Gigabit Ethernet is an interesting development…
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The 100GbE Lambda Workshop – Minimizing the Risk
by Tom Hausken
OIDA is pleased to co-host with Ethernet Alliance the upcoming joint workshop on 100GbE per lambda for data centers, and it promises to be different from other workshops that OIDA…
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100Gbps per lambda workshop is most timely
by Dale Murray
Questions on 100GbE on a single lambda? We’ve got plenty. Straightforward NRZ signaling probably won’t get us there.  So what type of advanced modulation would be the best choice?  How…
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Single Twisted Pair: The Next Frontier
by Steve Carlson
These days, a speed of 1Gb/s doesn’t seem particularly fast. With the IEEE 802.3 Ethernet Working Group creating standards on speeds of 40Gb/s, 100Gb/s and now 400Gb/s, 1Gb/s is an…
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400 Gigabit Ethernet (GbE) Project Approved
by John D'Ambrosia
Yesterday, the IEEE P802.3bs 400GbE Project was approved.  With this approval the first Task Force meeting will be in Norfolk, VA, at the IEEE 802.3 / 802.1 Interim Meeting, which…
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OFC 2014 Recap and Best-in-Show
by Scott Kipp
OFC 2014 was buzzing with many new releases of 100GbE optics and 400GbE demonstrations.  The 100GbE modules have definitely proliferated with demonstrations of CFP, CXP, CFP2, CFP4 and QSFP28 form…
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Fast and Furious Demo at OFC 2014
by Scott Kipp
The Ethernet Alliance booth at OFC 2014 showcases many of the latest advances in Ethernet technology.  From 10GBASE-T to 100GbE CFP4 modules, the booth will highlight how Ethernet’s physical layer…
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Ethernet Speeds in 2023
by Scott Kipp
At the recent “Future of Ethernet” Technology Exploration Forum (TEF 2013), participants discussed various aspects of Ethernet, but none as exciting as the next speeds of Ethernet. With TEF 2013…
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Ethernet: Not a Moment in Time
by John D'Ambrosia
This weekend I was helping my oldest son with homework for his “Introduction to Geometry” class. As we were working through his first foray into proofs, I made the comment…
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Exploring the Future of Ethernet with SDN
by Gilda Foss
Gilda Foss, Industry Evangelist, Office of the CTO, NetApp TEF Chairperson & Board of Directors, Ethernet Alliance As we celebrate Ethernet’s 40th Anniversary at the Technology Exploration Forum, we reminisce…
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Ethernet: The Future is Now
by John D'Ambrosia
The celebration of Ethernet’s 40th Anniversary has spanned multiple events this year.  The Ethernet Alliance will be hosting its celebration Tuesday, October 15 in conjunction with its fifth Technology Exploration…
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Ethernet for the Ages: A Discussion with Bob Metcalfe
by Bob Metcalfe
Q: What is Ethernet?  A: Ethernet began as a very high-speed packet-switching local area network (LAN) for extending the Internet into buildings to reach personal computers and their servers. However,…
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A Meeting of Minds: 400GbE and OTN
by David Law
Monte Carlo is a city associated with speed and Formula One racing.  Since 1929 it has provided the backdrop to the Monte Carlo Grand Prix, which are run through its…
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The Future of Ethernet
by Gilda Foss
Ethernet Alliance presents the Technology Exploration Forum of 2013! Gilda Foss, Industry Evangelist, Office of the CTO, NetApp TEF Chairperson & Board of Directors, Ethernet Alliance The Ethernet Alliance is…
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IEEE Extends EPON into New Markets
by Howard Frazier
Standards for Ethernet Passive Optical Networks (EPON) reached an importantmilestone last week when the IEEE approved a new standard for Service Interoperability in EPON (SIEPON). The IEEE 1904.1 SEIPON standard…
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Wow! Ethernet Alliance at the 2013 Interop show
by Mario Chow
The show started with a blast. With the live demo, attendees really saw the value of having an organization such as the Ethernet Alliance in place. We showcased 10/40GbE, iSCSI,…
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Interop 2013 – Viva Las Vegas!
by Chauncey Schwartz
We’re winding down our preparation for the live Ethernet demonstration at Interop 2013 in Las Vegas May 6th to the 10th. This year we are focusing on 10 Gb to…
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TeraFabric Cabling
by Tom Kovanic
There are two things that are driving the need for speed in data centers: server virtualization and converged networking.  Virtual machines still require the same amount of networking bandwidth as…
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Ethernet Alliance Extends Reach
by Chauncey Schwartz
Given the ongoing evolution of Ethernet technology, there has always been a desire globally by both IT vendors and customers to understand the current state of Ethernet development and to…
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Self-Fulfilling Prophecies
by John D'Ambrosia
Back in 2007, the then Higher Speed Study Group (that went on to become the IEEE P802.3ba Task Force that developed 40 GbE and 100 GbE) developed an industry wide…
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Come Experience the Improved Ethernet Alliance Site
by Chauncey Schwartz
It is often very exciting to come to the end of a project and I’m particularly excited that the team at Ethernet Alliance has just completed updating our web site. …
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Terabit Ethernet? The Game Is Afoot!
by John D'Ambrosia
Wow! Hats off to IIR for the great job with this year’s WDM & Next Generation Optical Networking Conference. While the conference title would bring to mind the service provider…
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10GBASE-T Comes of Age
by Chauncey Schwartz
With the next generation of servers capable of supporting 10G Ethernet (10GbE) on the motherboard, 10GbE is on the cusp of an explosive growth curve. With this comes the need…
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Looking Beyond 100 Gigabit Ethernet
by John D'Ambrosia
At this point in my career I have been fortunate enough to wear many hats, but the biggest hat I wore was when I agreed to lead the IEEE standardization…
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So, Just What Is A Plugfest, Anyway?
by Chauncey Schwartz
In the course of my work with the Ethernet Alliance, I have the opportunity to speak with many people. More often than not one of the first questions I hear…
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10GbE Standardized to 400 Meters on OM4 Fiber
by Scott Kipp
When the 10 Gigabit Ethernet (10GbE) standard released in 2002, the fiber optic links of 10GBASE-SR were standardized to at least 300 meters over Optical Multimode 3 (OM3) fiber.  OM3…
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Matt Traverso, Ethernet Alliance Board Member
by Ethernet Alliance
Matt Traverso, Ethernet Alliance Board Member and Hardware Engineering Manager, Cisco Systems After years of serving as an active member in Ethernet Alliance activities and events, Matt made the decision…
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David Fair, Ethernet Alliance Board Member
by Ethernet Alliance
David Fair joined the Ethernet Alliance in February, 2012 and has served as a member of its iWARP in the Data Center working group (iWARP brings remote direct memory access…
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Dan Dove, Ethernet Alliance Board Member
by Ethernet Alliance
An Ethernet Alliance Board of Directors member, Dan is currently serving his second term as the Technical Chair of the Ethernet Alliance’s High-Speed Ethernet (HSE) Subcommittee. He also has served…
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Reflections On Interop 2012
by Chauncey Schwartz
Well, we certainly had a great chance to discuss Ethernet and the Ethernet Alliance at Interop 2012. By the end of the expo, we had more than 500 people visit…
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Five Minutes With Chauncey Schwartz II
by Ethernet Alliance
The 2012 Chairperson of the Ethernet Alliance’s Marketing Committee, Chauncey Schwartz II, has enjoyed a successful career in sales, marketing, and business management for more than 25 years. Last year…
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A Moment in Time
by John D'Ambrosia
During the course of my career, I have had the fortune to be involved at various points in the development and deployment of a number of technologies.  Each one had…
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Terabits in a Rack and Petabits in the Data Center
by Scott Kipp
As the American scholar Albert Bartlett said, “The greatest shortcoming of the human race is our inability to understand the exponential function.”  Bartlett was mainly referring to population growth, but…
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Ethernet on the Road
by John D'Ambrosia
Congratulations to the group of individuals, who were successful at the IEEE 802 March Plenary at getting the IEEE 802.3 Reduced Twisted Pair Gigabit Ethernet PHY Study Group formed.  This…
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10G Driving 40G and 100G to the Clouds at OFC
by Scott Kipp
The Ethernet Alliance has a huge booth (724) at OFC/NFOEC from March 6-8th and we’re filling it with some great technology and exhibits.  The theme of the booth is “High…
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OFC/NFOEC – Real Technology, Real Deployment
by Ethernet Alliance
John D’Ambrosia, Ethernet Alliance Chairman, Chief Ethernet Evangelist, CTO Office, Dell On June 13, 2002, IEEE Std 802.3ae-2002TM, otherwise known as the 10 Gigabit Ethernet (GbE) standard, was ratified. Shortly…
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TEF Q&A – Ramanujam Rao, Nationwide Insurance
by Ethernet Alliance
What points will you be discussing during your panel at the TEF? My talk will be primarily focused on things that have progressed from R&D and are quite real in…
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TODD ROTH TEF 2012 Q&A
by Ethernet Alliance
Todd Roth is Vice President of Technology for Harris Corporation, an international communications and information technology company serving government and commercial markets in more than 150 countries. As part of…
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Here Come the End Users
by Ethernet Alliance
  The Ethernet Alliance is proud to bring a cadre of end users together at the upcoming End Users Speak! Technology Exploration Forum (TEF).  While past TEFs were mainly deep…
Technology Exploration Forum Q&A With John D’Ambrosia portrait
Technology Exploration Forum Q&A With John D’Ambrosia
by John D'Ambrosia
  What is the Technology Exploration Forum (TEF)? The TEFs are an ongoing series of forums sponsored by the Ethernet Alliance to enable industry discussion and consensus building on various…
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Ethernet’s Continuing Expansion
by John D'Ambrosia
Congratulations to the group of individuals, who were successful at the IEEE 802 November Plenary at getting the IEEE 802.3TM EPON Protocol over Coax (EPoC) Study Group formed.  IEEE 802.3…
It’s Always an Exciting Time for Ethernet portrait
It’s Always an Exciting Time for Ethernet
by John D'Ambrosia
Technologies developed over the past several years are finding their way into the market.  10 Gigabit Ethernet (10 GbE) is the next big step in server interconnect technology, as products…
Five Minutes With Scott G. Kipp portrait
Five Minutes With Scott G. Kipp
by Ethernet Alliance
In October 2011, the Ethernet Alliance named Scott G. Kipp, Senior Technologist at Brocade Communications Systems, as its new President, succeeding outgoing President, Jim Theodoras, of ADVA Optical Networking. With…