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NFV Phase 2 begins: new leadership, organization, and renewed focus on implementation

By Marc Cohn, Ciena Corporation

While much of the country was coping with sub-freezing temperatures, the ETSI Network Functions Virtualization Industry Specification Group (NFV ISG) convened its 8th and final meeting under its original charter in the desert sunshine in Scottsdale. Intel graciously hosted the meeting, arranging excellent accommodations and hospitality throughout the week.

NFV #8 attendees were treated to a private rodeo by NFV #8 host Intel

NFV #8 attendees were treated to a private rodeo by NFV #8 host Intel

NFV #8 was the first U.S. NFV ISG meeting held outside of Silicon Valley, with no drop off in interest:

  • Number of operators: 37
  • Total number of organizations: 245
  • Number of individuals on the mailing list: > 1,200

After taking the industry by storm (literally)- attendees will never forget the unexpected and rare snowfall in the Cote d’Azur at the very first meeting of the ISG (February, 2013)- NFV Phase 1 successfully concluded, with the ISG achieving its stated objectives and defined work program. In recognition, parties sprung up by most working groups to celebrate their success.

“Operator participants are extremely pleased with the outcomes of NFV Phase 1”, stated Don Clarke (CableLabs), Chair of the Network Operator’s Council. “Few of us could have anticipated how fast this initiative would grow and how influential it would become. As we enter Phase 2, operators’ expectations continue to rise. We are very conscious of the fact that vendors are investing significant resources to develop NFV capability. It is therefore very important to stay focused and maintain our momentum to create opportunities for NFV deployment.”

NFV operators have every right to be proud, as NFV has literally redefined the ground rules for telecommunications technology adoption by:

  • Avoiding the temptation to create new standards- the ISG instead worked to influence existing and emerging SDOs and open source projects
  • Highly collaborative engagement model:
    o Among operators, some of whom are fierce competitors
    o Between operators and vendors
  • Reinventing itself as needed to adapt to the challenges at hand
  • Adopting a pragmatic approach that emphasizes progress over completeness and implementations over technical elegance
  • Capitalizing on a familiar and well-established administrative model that permitted the ISG to concentrate on progress vs. process

ETSI Director General Luis Jorge Romero commented “We are pleased that ETSI could enable the groundbreaking NFV ISG, which successfully forged an innovative standardization cooperation model, built upon assertive goals, pragmatism, lightweight process, and unprecedented collaboration. We applaud the ISG’s phenomenal accomplishments to date and believe that the NFV ISG is already influencing the entire industry.”

After months of planning, guided by the incoming ISG leadership elected at the prior meeting in July, the NFV Phase 2 work program commenced with a general agreement on the objectives and work scope:

  • Grow an interoperable VNF Ecosystem
  • Thoroughly specify reference points and requirements defined in Phase 1
  • Achieve broader industry engagement to ensure that NFV requirements are satisfied
  • Clarify how NFV intersects with SDN and related standards, industry, and open source initiatives

Steven Wright (AT&T), presiding over his first meeting since being elected Chair of the ETSI NFV ISG observed “I remain encouraged by the elevated enthusiasm by operators and partners alike. The NFV community that we have fostered has never been more robust. While we have challenges to overcome, broad industry participation has resulted in a healthy debate on our Phase 2 plans, which are converging as expected.”

In Phase 2, the ISG agreed to disband the existing NFV ISG Working Groups, and approved a new leaner working group structure better suited to the goals for Phase 2. While a healthy debate unfolded regarding the detailed Phase 2 scope and working group inter-relationships, a general consensus emerged, and the work began immediately.

The new working groups will focus less on requirements and more on adoption. Among the key areas that will be addressed include:

  • The ‘ilities’: Stability, Interoperability, Reliability, Availability, Maintainability
  • Intensified collaboration with other bodies
  • Testing and validation to encourage interoperability and solidify implementations
  • Establishment of a vibrant NFV ecosystem
  • Performance and assurance considerations
  • Continued attention to network management and operations, which is of particular interest to
    the Network Operators Council
  • Security

The ISG also elected new technical leaders to guide the NFV technical agenda. Diego Lopez (Telefonica) was re-elected as the Technical Manager, and Joan Triay (DOCOMO) was elected Assistant Technical Manager, succeeding Tetsuya Nakamura (DOCOMO), who was recently elected Vice-Chair of the NFV ISG. Working group leadership will be elected at the next plenary meeting (NFV #9), scheduled for Prague in late February.

“I am pleased that the ISG reiterated their confidence in me as we approach NFV Phase 2”, commented Diego Lopez, Technical Manager for the ISG. “As our goals shift towards implementation and adoption, we will need more detailed specifications, and address functional gaps of the standards we adopt. In order to achieve our goals, it is critical that our working groups remain focused, operate with lightweight processes, and strive for interoperability in everything that we do.”

As the ISG made a seamless transition, with a renewed charter, new leadership, and updated working group structure, the ISG has been energized to pave the way to adoption. Two years of use case assessment and prioritization, requirements analysis, architecture definition, document alignment, and countless conference calls, meetings, and drafts have resulted in a solid baseline for Phase 2.

Tetsuya Nakamura, ETSI NFV ISG Vice-Chair, stated “I am thrilled about the progress we made on the technical baseline in Phase 1, which required a great deal of collaboration and effort. Congratulations to all contributors for their commitment, dedication, and hard work without which, the leap to Phase 2 would not be possible.” Fittingly, Tetsuya, along with Michael Brenner (Alcatel Lucent), Joan Triay (DOCOMO), and Frank Zdarsky (NEC) were recognized by the ISG leadership with a special award for their outstanding contributions to Phase 1.

ETSI NFV ISG Chair Steven Wright recognized Tetsuya Nakamura, NFV ISG Vice Chair for outstanding contributions in NFV Phase 1

ETSI NFV ISG Chair Steven Wright recognized Tetsuya Nakamura, NFV ISG Vice Chair for outstanding contributions in NFV Phase 1

Given the accomplishments in Phase 1, there is increasing optimism that the ETSI NFV ISG will achieve its lofty goal to radically transform the entire telecommunications industry. 2015 is shaping up to be the year of the trial, leveraging over 25 Proof of Concepts, visible strides in product development, and leading edge operators planning for initial deployments.

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Repositioning for Success

Marc Cohn

Marc Cohn, Market Development, Ciena Corporation

New leadership, renewed charter, and an enhanced structure to facilitate the transition from requirements to implementation

Marc Cohn, Market Development, Ciena Corporation – Santa Clara, CA  USA

Wandering through the Computer History Museum in Mountain View, at the social gathering of the ETSI Network Functions Virtualisation Industry Specification Group (ETSI NFV ISG), was like a trip down memory lane. International Business Machines (IBM) mainframes (e.g., 360/370, which I spent many a night working on at the University of Missouri in the 1970s), Digital Equipment Corporation (DEC) minicomputers (I was a systems manager for the PDP-11 and VAX-11/780 at McDonnell Douglas in the 1980s), and a slew of computers, calculators, and gadgets whose manufacturers have faded from memory.

But in an austere exhibit rests the system that truly changed the world- the IBM PC. Aside from its size, price point, and design, what made the PC different was IBM’s decision to open up the platform, decoupling the software from hardware, publishing open specifications, fostering the greatest ecosystem the world has ever known.

Three decades later, networking and telecommunications are bracing for a major transformation as communications platforms prepare to be opened by Software Defined Networking and Network Functions Virtualization, with similar impact to the opening of the computing world.

The 7th meeting of the ETSI NFV ISG was co-hosted by Ericsson and Citrix in the Santa Clara Convention Center, whose warm hospitality, comfortable surroundings, and ideal weather made for a highly successful meeting. Attendance surged to over 300 people; not surprisingly the 3 highest attended NFV meetings were held in Silicon Valley (NFV #4 (355), NFV #7 (303), and NFV #2 (285)).

Over the past year-and-a-half, the ISG has grown beyond the capability of all but the largest corporate facilities:

  • 37 operators spanning the globe (up 4 since NFV #6 held in May)
  • Mailing list approaching 1,200 participants
  •  226 ISG members (up 18 since NFV #6)
  • 23 Proof of Concepts (PoCs) accepted (up 5 since NFV #6)
  • 15 active work items

NFV #7 marked the last meeting for the Chair (Prodip Sen (HP)) and Vice Chair (Uwe Michel (Deutsche Telekom)), who played a major role in the ISG’s growth and success to date.

Throughout NFV #7, the ISG focused on repositioning the organization for long-term success, an initiative loosely referred to as NFV Phase 2. Among the key outcomes:

  • Elected new leadership, as the current Chair and Vice-Chair stepped down
  • Facilitated the transition from the Requirements Phase to the Implementation Phase
  • Revisited the ISG operational structure in anticipation of the transition
  • Discussed high-level scope for 2015 and beyond

Open elections were held for the NFV ISG Chairman and Vice-Chairman, who recently stepped down from their posts at the previous meeting in May.

Outgoing Chairman Prodip Sen commented, “Serving as a founding member and the first chair of the NFV ISG has been an extremely rewarding experience. We started out to create momentum in the industry, and provide guidance on the way forward to the vision. We have achieved these goals, but clearly much still needs to be done. The good thing is that with this global team we have created, there is no dearth of ideas and participation. I am fully confident that the new leadership will continue our positive trajectory towards long-term success. ”

Outgoing Vice-Chair Uwe Michel stated “When we started the NFV ISG back in 2012, we did not envision such rapid growth and enthusiastic validation. I feel fortunate to be able to work with such a strong leadership team, who are truly committed to achieving an industry vision for NFV.”

Steven Wright, AT&T, who formerly led the NFV Infrastructure (INF) working group, was elected the new NFV ISG chairman. “I am excited to guide the NFV ISG as we transition our focus from requirements to implementations. I would also like to thank Prodip Sen and Uwe Michel for their leadership and significant contributions, which have been instrumental to our success.”

Tetsuya Nakamura, NTT DOCOMO, who formerly was the Assistant Technical Manager of the NFV Technical Steering Committee (TSC) and Chair of the Software Architecture (SWA) working group, was elected the new NFV ISG Vice-Chair. “I am honored to be elected vice chair of the NFV ISG at such a critical time, as the ISG repositions itself to focus on adoption.  We are especially appreciative of my predecessor Uwe Michel, who has been a major part of our success from the beginning. ”

The ISG continues to make solid progress on the NFV Release 1 baseline. Eleven new deliverables from multiple working groups were made available for public reviews. A liaison statement was approved to invite comments from the many NFV ISG liaisons.

“I continue to be pleased with our progress towards NFV release 1, which is targeted towards December”, stated Diego Lopez (Telefonica), NFV Technical Manager and Chair of the NFV Technical Steering Committee. “Each of our technical working groups is making tremendous progress as we worked towards a solid technical baseline, which is critical as NFV Phase 2 gets underway.”

Another major topic discussed at NFV #7 was the future of NFV ISG, referred to as ‘NFV Phase 2’. The original charter for the ISG, approved in late 2012, is scheduled to expire in January, 2014. Prodip Sen led a robust evening discussion on the future of NFV, assisted by Klaus Martiny, Vice-Chair, Network Operator Council (NOC) and incoming Steven Wright.

Key outcomes from NFV #7 regarding NFV Phase 2:

  • The ISG passed a motion to extend the NFV charter by 2 years, to continue to operate under the current ETSI Terms of Reference (ToR)
  • The ISG accepted a new NFV ISG mission statement, which shared the vision, mission, and values of the NFV ISG:
    The NFV ISG’s mission is to facilitate the industry transformation and development of an open, interoperable, ecosystem through specification, implementation and deployment experience. . .
  • Several new contributions on NFV Phase 2 were submitted for consideration, many endorsed by multiple participants
  • The ISG leadership will hold an interim meeting in late September to discuss the proposals and suggestions for NFV Phase 2, in preparation for NFV #8 in mid-November

“Interoperability is a key objective for Network Operators”, commented Don Clarke (CableLabs), Chair of the NFV NOC. “In the next phase we intend to intensify our efforts towards achieving interoperability for NFV, which includes normative work where appropriate, formalized dialogue with other industry and standards organizations including open source communities, and a continued emphasis on encouraging open NFV implementations and Proof of Concepts.”

At the closing plenary, the new ISG leadership invited the NFV ISG plenary to proactively contribute to the future of NFV, through comment on our documents, proposals for new work items, and recommendations on the organizational structure to position the NFV ISG for long-term success.

While progress since the formation of the ISG (4Q2012) has been tremendous, there is a long way to go. The ISG will be shifting their focus outward, reaching out to the standards bodies, industry groups, and open source projects, to influence their future work programs. A proposal was shared to stimulate discussion on how the NFV ISG can engage with the research community, to leverage their innovations, resources, and ongoing work as well as to create new academic courses to train a new generation of students to be multi-skilled in networks and software. In today’s environment, collaboration is the norm, implementations the target, and speed trumps completeness.

The next meeting of the ETSI NFV ISG (NFV #8) will be held from Nov 17-21 in Chandler, AZ (outside of Phoenix). At that time, the new leadership will assume their responsibilities, and decisions are anticipated on the plan for NFV Phase 2.

 

 

NFV ISG Leadership- poised for success (NFV #7, Santa Clara, CA, August 1, 2014)

NFV ISG Leadership- poised for success
(NFV #7, Santa Clara, CA, August 1, 2014)

From the left: Diego Lopez (Telefonica), Technical Manager, Technical Steering Committee; Uwe Michel (Deutsche Telekom), former ISG Vice-Chair; David Boswarthick (ETSI); Margaret Chiosi (AT&T), Advisor to ISG leadership; Prodip Sen (HP), former ISG Chair; Steven Wright (AT&T), ISG Chair, Klaus Martiny (Deutsche Telekom), Vice-Chair, NOC; Don Clarke (CableLabs), Chair, NOC; Louise Clarke (ETSI)

Kneeling from left (Laurent Vreck (ETSI); Tetsuya Nakamura (NTT DOCOMO), ISG Vice-Chair