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30
May

NFV#22 – Reflections on a Remarkable Journey

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As I flew to Sophia Antipolis for the twenty second plenary session of the ETSI NFV Industry Specification Group (ISG), I reflected how far we had come since publication of the now famous white paper introducing the NFV concept.

Until that moment in October 2012, the term “Network Function Virtualisation” did not exist, it had emerged from a meeting of the founding group in Paris in the summer of 2012 to distinguish the topic from SDN which by then was gaining momentum. We were all experienced telecommunications R&D leaders who knew that our goals were ambitious and would be highly disruptive to the industry, so we would need to be extraordinarily diligent to bring all the industry players on board, large and small, and with everyone able to be heard and to contribute their energies and expertise.

We chose ETSI to host the effort for many different reasons, but perhaps the most important ones were transparency of governance proven by many years of global standards development, and open membership for small players, especially independent software vendors whom we felt would be important contributors. We have never regretted the decision to come to ETSI who have provided fantastic support, and the rigorously consensus-driven decision-making process has kept us grounded.

leadership-NFV22-2018All of that seemed so long ago and I couldn’t have imagined that along the way I would move to the United States and start a new career in the cable industry while retaining my role as chair of the ETSI NFV Network Operator Council. After a 40+ year R&D career in BT, it was a seamless transition that was as unlikely as it was life changing for me.

Looking back over the past six years, there have been moments of great pride, such as when agreement was reached in a late-night session on the ETSI NFV Architectural Framework, interspersed with moments of doubt as strident voices from the world of software repeatedly criticized our efforts.

As with all things, time is a great leveler, five years on the NFV Architectural Framework has withstood the test of time and is being deployed at scale, and open source groups have begun to realize that the telecommunications networks environment is very different to the enterprise IT environment. Telecommunications networks are critical national infrastructures that underpin global commerce and security and as such demand analytical rigor and auditability that only implementations based on high quality specifications endorsed by the key stakeholders can provide.

Even as we took a page from the open source book and opened our draft specifications for external scrutiny and feedback and continually sought ways to speed up our work. And we founded OPNFV to enable open source groups to collaborate and provide feedback to ETSI NFV.

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13
Mar

NFV#21: Even the snow couldn’t stop the ramp up of Release 3 work or the improvement in Release 2 specifications

The NFV community met for the 21st time (NFV#21) from February 26 to March 2, in a familiar setting:

ETSI-snowflakes-NFV21-2018ETSI headquarters in Sophia Antipolis, France.

The flawless organization, the friendly faces greeting us, the countless wonderful coffee machines, everything was normal. What was less familiar: it snowed. On the Cote d’Azur. Twice(!). For a total of approximately 15cm. This is very rare in this region. Apparently, the last time it snowed was during NFV#1, back in January 2013. While we are solving the challenges for NFV, the weather is telling us we can easily deal with another one!

Despite the predictable flight delays resulting from the frigid European weather, the event was well attended by over 80 members of the core team. And it was a busy, productive week.

Work on Release 3 is well under way. There are currently 17 new features being actively developed, along with 15 active work items related to Release 3. In addition, multiple Release 2 deliverables (13 as of now) are being currently propagated to Release 3 (with their corresponding work items). At NFV#21, a third maintenance cycle for Release 2 work items was also approved, so the maintenance work will continue for the first half of 2018. That’s a lot of balls up in the air at the same time, and it’s a remarkable achievement that this highly focused group can pull this off.

The results of the 2nd ETSI NFV Plugtests were center stage at this meeting: the findings were presented to the plenary and discussed within the TST working group who will incorporate the feedback into their documents going forward. Clearly the industry is progressing with more energy compared with just one year ago. The Plugtests results will be summarized in a separate blog post and presented at upcoming conferences.

Two new working group leaders were elected since the last plenary meeting: Julien Maisonneuve (Nokia) and Ulrich Kleber (Huawei). Julien brings extensive leadership experience, while Uli brings new perspectives including valuable open source experience. These roles require a lot of personal commitment and long hours across multiple time zones. We are very grateful to both of them.

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23
Feb

The foundations for NFV-MANO interoperability have been set

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With the publication of ETSI GS NFV-SOL005, the specification of the RESTful APIs exposed by an NFV Orchestrator (NFVO) towards operations support systems (OSS), the ETSI NFV Industry Specification Group (ISG) has successfully met its objective to deliver a full set of API specifications enabling an open ecosystem where Virtualized Network Functions (VNFs) will be interoperable with independently developed management and orchestration systems, and where the components of a management and orchestration system are themselves interoperable.

Encouraging interoperability within an open ecosystem was a key objective for ETSI NFV when it was launched in late 2012 by global carriers.

These API specifications are the result of a wide industry consensus. Compliance to them permits a wide range of multi-vendors deployment scenarios. For example, a VNF can be managed by a generic VNF Manager (VNFM) function (stand-alone or combined with an NFVO), an NFVO can consume the services of a VNF-specific VNFM, and the services exposed by an NFVO can be consumed by higher-level service orchestration functions.

Furthermore, the ISG has completed revisions of two previously published API specifications which detail the REST APIs between an NFV Orchestrator (NFVO) and a VNF Manager (VNFM), and between a VNFM and a VNF or its Element Manager, respectively ETSI GS NFV-SOL 003 and ETSI GS NFV-SOL 002, completed in July 2017. Revised versions have been approved in December 2017, the main change being the support of a TLS-based option for controlling API access authorization (as an alternative to the use of OAuth 2.0).

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07
Feb

ETSI NFV industry adoption survey

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The ETSI Industry Specification Group on NFV is developing a set of specifications and reports with the goal to enable an open NFV market, where Virtualised Network Functions (VNFs) are interoperable and packaged in a way that is independent of the vendor supplying them or the service provider consuming them, are interoperable with independently developed management systems, and are operable in a manner that is independent from the underlying hardware.

Since its creation the ISG has produced over 60 specifications and reports. It is of paramount importance to the ISG to make sure that the specifications it produces meets the expectations of the industry.

The ISG has created a survey to help understand which of these specifications are the most useful to the industry. Should you wish to participate to this survey, please follow this link: https://www.surveymonkey.com/r/NFV_Industry_Adoption

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15
Dec

NFV#20 - The “landing” of NFV Release 2, and the “taking off” of Release 3

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The ETSI NFV Industry Specification Group (ISG) met on 4-8 December 2017 for its twentieth plenary meeting (NFV#20) at ETSI Headquarters in Sophia-Antipolis, France. This time, the breezy and sunny Provence & Cote d’Azur in the spring changed to a rather chilly and icy setting, but nothing that our brave ETSI NFV ISG delegates could not handle perfectly with heated discussions and some extra coffee (or tea).

As reported in previous posts, the NFV ISG has been planning and progressing the set of Release 3 feature reports. The latest interim NFV Announcement report provides an overview of the progress made by the different NFV ISG working groups until and up to NFV#19. At the NFV#20 meeting, a significant step forward was achieved with approval to create the related normative work items. But this meeting wasn’t all about Release 3, as the working groups were also very busy completing the second round of Release 2 maintenance work.

Describing all the great work performed by the working groups and NFV ISG delegates worldwide is not an easy task. The meeting venue was again the perfect setting for many intense interactions and discussions. As Technical Manager, my sincere appreciation and thanks go out to all the delegates for the work achieved as well as the excellent collaboration between the working groups.

Among the many highlights at NFV#20, there was one shadow; NFV#20 was the meeting in which, unfortunately, we said goodbye to Yun Chao Hu (EVE WG Chairman, Huawei), a long-standing NFV contributor from the inception of NFV. Yun Chao has worked exceptionally hard to help our work. An award for Yun Chao’s outstanding work and support to the NFV ISG was delivered by our ISG Chairman, Diego Lopez (Telefonica). We wish to Yun Chao “all the best in your future professional tasks, and hope to see you again in other places”.

NFV20

Anyway, let us highlight a few relevant achievements from NFV#20.

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21
Sep

NFV#19 and the Specfest Concept

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NFV-19-1smallLast week in Denver, CableLabs hosted over 130 delegates from all over the world to the 19th plenary session of the ETSI NFV Industry Specification Group, the cradle and main playground for the Network Function Virtualization technologies that are bringing radical transformation to the telecommunications industry. With over 300 member companies including 38 global network operators, ETSI NFV is the leading forum developing the foundation international standards for NFV.

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27
Jul

One more step towards NFV MANO interoperability

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This blogpost provides a snapshot report on the progress of ETSI NFV standardization.

Home-of-NFVThe ETSI NFV Industry Specification Group (ISG) has completed an essential step towards enabling an open ecosystem where Virtualised Network Functions (VNFs) will be interoperable with independently developed management and orchestration systems, and where the components of a management and orchestration system are themselves interoperable.

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29
May

The Way to Operational NFV

ETSI-entrance-door-BWThe ETSI NFV Industry Specification Group (ISG) met for its eighteenth plenary meeting (NFV#18) at ETSI Headquarters in Sophia-Antipolis, France. Springtime on the breezy and sunny Cote d’Azur was the ideal setting to replenish the batteries of the hard working ETSI NFV ISG delegates during a very busy week!

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23
Mar

NFV Plugtest: a great success to help NFV move forward

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Pierrre-LynchI'm the Vice-Chair of the Testing, Implementation and Open Source (TST) Working Group at the ETSI NFV ISG.

In the test industry for the past 20 years, I have been working at Ixia for the past 11 years, always in the product management team for wireless test products. Most of my experience has been with mobility testing: GSM, UMTS, LTE, etc.

ETSI, through its Center for Testing and Interoperability (CTI) recently held its first ever NFV PlugtestsTM event in January. In addition to the wise decision to hold it in Leganes, Spain, just outside of beautiful and sunny Madrid, I would qualify the event a technical success. I explain why below.

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10
Mar

ETSI NFV ISG Plugtest Results

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Interviewed at MWC, Diego Lopez Senior Technology Expert at Telefonica, and Chairman of ETSI NFV ISG, discusses the results of the first NFV Plugtests in Madrid, the publication of Release 2 specifications and the Release 3 work.

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27
Feb

ETSI Continues to Deliver High Value for the Global Telecommunications Industry

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Bilbao-Spain February 21-24, 2017

The ETSI NFV Industry Specification Group met for its seventeenth plenary meeting (NFV#17) in the beautiful city of Bilbao in northern Spain hosted by the University of the Basque Country, Faculty of Engineering. In many ways this was a milestone meeting, a new leadership team was elected, key NFV specifications were approved for publication, a joint session with the Open Source MANO (OSM) community was held, and the latest joint-operator NFV white paper outlining the priorities for 5G was timed for publication during this meeting.

NFV-Museum-Bilbao-17

Guggenheim Museum in Bilbao

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21
Feb

Network Operator Perspectives on NFV priorities for 5G

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Today, twenty-three network operators published a white paper to guide the industry on priorities for NFV to deliver the industry vision for 5G systems: “Network Operator Perspectives on NFV priorities for 5G”. The network operator co-authors include Bell Canada, BT, CableLabs, CenturyLink, China Mobile, China Unicom, Colt, Deutsche Telekom, KDDI, KT, NTT, NTT DOCOMO, Orange, Portugal Telecom, Rogers, SK Telecom, Sprint, STC, Swisscom, Telecom Italia, Telefonica, Telenor, and Vodafone. As managing editor for this white paper, I worked closely with colleagues from these leading organisations to document some key consensus requirements that we want the 5G standards community to take into account in their upcoming specification work.

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19
Dec

Highlights from NFV#16 in Shenzhen

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Authors: Diego Lopez, NFV ISG Chairman, Joan Triay NFV TSC Chair & Peter Wörndle NFV TSC Vice Chair

The ETSI NFV ISG has just concluded their last plenary meeting for 2016 (that was precisely NFV#16) with the attendance of 175 delegates from 60 organizations. NFV#16 was hosted from December 12th to 15th by Huawei in Shenzhen, China.

The meeting kicked off with a Huawei NFV workshop, specifically focused on the evolution of NFV, with the horizon that has become common when talking about the next generation of networking: the year 2020.

NFV16

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02
Nov

NFV#15 review by Telecom TV

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 ETSI NFV#15 2016 REVIEW

Next steps: ETSI’s NFV ISG and the road to 5G

The ETSI NFV ISG (Industry Specification Group) has a new chairman in Diego Lopez, Head of Technology Exploration & Standards at Telefónica, and a new lease on life. ISGs are supposed to kick-start technology areas, not permanently rule them, but NFV ISG has been granted a two year extension, in part to mesh NFV capabilities with 5G requirements.

NFV ISG: a long way in a short time with further still to go

Diego Lopez, Telefónica, explains why it is important to incorporate 5G into NFV ISG's analysis for the coming NFV release, since NFV is now recognised as an essential enabling technology for 5G.

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02
Mar

ETSI NFV Announcement on the Evolution of Its Release 2

The work program of ETSI NFV ISG for 2015 was very ambitious, with a majority of activities committed to conclude during this first year of the ISG two-year renewed term, and intended to produce the set of normative documents that were generally referred as ETSI NFV Release 2.

Many of these activities are completed or just awaiting the completion of the last procedural steps to be officially published. This announcement provides a brief report on these accomplishments, structured around an introduction to the completed (informative) reports and a preview of the Release 2 description, which we expect to publish by May 2016.

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01
Mar

NFV prepares the standards evolution

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NFV#13 took place on 16-19 February in Dublin, Ireland at the impressive Croke Park stadium, the fourth largest stadium in Europe.

Thanks to the hosts Cobham Wireless and the sponsors OPENET, ETSI NFV ISG members were treated to a pre-event workshop on Monday 15 February that covered the state of the art of NFV initiatives, with presentations from Intel, Telefonica, Luxoft, Stratus Technologies and EANTC.

The week that followed was certainly intense for the 210 delegates – although the work was somewhat balanced by a very pleasant social event in the Croke Park Player’s Lounge.

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25
Nov

Another step towards an open NFV ecosystem

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ETSI NFV descends on the Big Apple for NFV #12

The 12th meeting of the ETSI Network Functions Virtualisation Industry Specification Group (ETSI NFV ISG) was held in Jersey City, NJ (USA), just across the Hudson River from New York City. Surrounded by the stunning Manhattan skyline, the locale offered an excellent venue for the Industry Group driving the NFV ecosystem.

Manhattan-Skyline
Manhattan Skyline, from Jersey City, NJ, location for NFV #12

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22
Sep

NFV ISG tutorials filmed at NFV#11 in San Jose

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During their 11th Plenary in San Jose, California, ETSI ISG NFV Officials and Working Group chairmen provided an overview of the group's achievements to date (Phase 1: 2013-2014) together with a snapshot of the ongoing Phase 2 work due for completion early 2016.

This was done in the form of a set of 6 short tutorials, each presented by a Working Group Official. Telecom TV was present and filmed these tutorials which are now available as a good overview for NFV newcomers.

See the 6 videos here...

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08
Sep

Public Availability of ETSI NFV ISG drafts

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ETSI NFV Announcement on Document Availability

During the first six months of its second phase, the ETSI NFV ISG has been actively working on the development of normative specifications for the reference points identified by the NFV Architecture Framework, addressing the interoperability goals that constitute its key objective, and on continuing the exploration of NFV technical aspects in the essential areas identified during the inception of this second phase. This has been performed in a framework of continuous and tight collaboration with those external bodies (SDOs and open-source projects) most directly concerned with NFV technologies.

One important milestone in this development, aimed to facilitate open collaboration with external bodies and the industry and academia at large, has been the decision to make all NFV draft documents publicly available (see NFV ISG Open area).

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14
Aug

ETSI NFV: Collaboration (and more Collaboration)

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ETSI NFV returns to Silicon Valley, in conjunction with the NFV/SDN community

Summertime is typically a time for holidays, family, and a break from the hectic pace of our professional lives. But not in Silicon Valley, where the 11th meeting was held for the ETSI Network Functions Virtualisation Industry Specification Group (NFV ISG). In fact, with the OpenDaylight Summit, MEF Quarterly meeting also being held in the same week, it remains as busy as ever.

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