Showing posts with label MEF. Show all posts
Showing posts with label MEF. Show all posts

Sunday, March 5, 2017

Carriers Work with MEF and TM Forum on APIs for Inter Carrier Services

Major carriers are working with MEF and TM Forum to release the first set of standard application programming interfaces (APIs) for orchestrated Carrier Ethernet services later this year. This initiative uses MEF’s LSO (Lifecycle Service Orchestration) framework and TM Forum’s Open API framework to enable SDN architectures from different network service providers to interoperate with each other.

Participating carriers include AT&T, Orange, Colt Technology Services, Comcast, Level 3, PCCW Global, Sparkle and Verizon. The effort also includes CableLabs and Kyrio. The projected release of the first round of APIs is at the end of 2017. This is a key step toward enabling orchestrated on-demand services over more automated and interconnected networks.

There are plans to standardize 8 API definitions. This builds on the industry-agreed Open APIs developed by TM Forum members. The first 3 APIs below will be defined in the first round of the project this year.

1. Address validation
2. Service availability
3. Ordering
4. Quoting
5. Billing
6. Assurance
7. Testing
8. Change management

“MEF is delighted to host pioneering inter-provider LSO API standardization work that will help unleash the power of on-demand services orchestrated across a global ecosystem of connected networks. Our collaboration with TM Forum and major service providers is a key step toward automating the $50+ billion Carrier Ethernet services market with LSO and will be foundational for orchestrating IP and wavelength services across many provider networks as well,” stated Nan Chen, President, MEF.

“Transformation of the Carrier Ethernet market is an essential building block in delivering TM Forum’s mission to ensure service providers thrive in the digital market. By leveraging our established Open API framework, digital business architecture, industry standard Information Framework and tools for end-to- end service management and orchestration, we are delighted to partner with MEF and the service provider community to accelerate the pace of industry change,” stated Nik Willetts, Deputy CEO, TM Forum.

“Our research shows that the number one issue impeding the delivery of on-demand services is the need for a standardized approach to orchestrating services across multiple provider networks,” said Rosemary Cochran, Principal, Vertical Systems Group.  “This initiative led by industry leaders to collaboratively standardize on APIs for Ethernet services is an essential step toward tackling this challenge”.

https://www.mef.net/

Video: Nan Chen Discusses Inter-Carrier APIs



Nan Chen, President of MEF, discusses how major carriers are working with MEF and TM Forum to release the first set of standard application programming interfaces (APIs) for orchestrated Carrier Ethernet services later this year. This initiative uses MEF’s LSO (Lifecycle Service Orchestration) framework and TM Forum’s Open API framework to enable SDN architectures from different network service providers to interoperate with each other.

See video: https://youtu.be/rpI48DSbzf0




Tuesday, January 31, 2017

Pascal Menezes, CTO, MEF – Automating Carrier Networks



Pascal Menezes, CTO, MEF provides an update on key MEF initiatives to enable orchestrated Third Network services over automated networks.  He notes that MEF is seeing “huge demand” to develop “East-West” APIs  for orchestration across multiple providers. MEF also is working on “North-South” APIs to orchestrate services over multiple technology domains within a single operator.  Stay tuned for news in the coming months about MEF’s expanded certification programs centered on orchestrated services and open APIs.

Filmed at PTC'17 in Honolulu, Hawaii.

See video:  https://youtu.be/oVYvbaq4djA


Tuesday, January 10, 2017

Dan Pitt Joins MEF as Senior Vice President

The MEF announced the appointment of Dan Pitt as Senior Vice President with a mandate to evangelize the MEF Third Network vision and technical program, harness SDNFV in the LSO (Lifecycle Services Orchestration) framework and open APIs, and expand the MEF community and ecosystem.

Dr. Pitt is the former executive director of the Open Networking Foundation (ONF).

“Dan is a pioneer of the software-defined networking industry and has played a pivotal role in the evolution of SDN from concept to adoption,” states Nan Chen, President of MEF.  “We are honored to welcome Dan to the MEF leadership team as we lead the transformation to agile, assured, and orchestrated network services on a global scale.”

“MEF has a critical mass of more than 200 members, including 130+ service providers, and an astonishing track record of spearheading the creation of an $80+ billion market of new services and technologies,” comments Dr. Pitt. “Significantly, MEF members’ core competency of services, operations, and orchestration makes the organization the ideal vehicle to deliver real-world, global deployment of SDNFV and LSO. I am thrilled to be part of the innovative team MEF continues to build."

https://www.mef.net/news-events/press-releases

Monday, August 15, 2016

Verizon's Brendan Gunn on Network Transformation

SDN and NFV are now transforming service delivery in a material way, says Brendan Gunn, Director, Global Ethernet and IP for Verizon Wholesale.

As before, the core challenge remains to deliver connectivity to people, places and things while doing so securely, reliably and simply.

To do so, Verizon Wholesale focuses on (1) expanding the physical layer (2) building Layer 2 and 3 functionality on top of that infrastructure, including SD-WAN, NFV-as-a-service, ultra high-speed ports, etc.

See video:  https://youtu.be/Ol-YmAPSA2k


Thursday, August 11, 2016

AT&T's Dan Blemings on Ethernet-based, On-Demand Services

It's a very busy time at AT&T with the recent expansions of Network On Demand services and its global Ethernet footprint.

Dan Blemings, Director of Ethernet Product Management, AT&T, discusses some of the transformative steps underway to help accelerate the business benefits of Ethernet-driven services and create an ecosystem of agile, on-demand capabilities.

Recorded at the MEF Annual Members Meeting in Boston.

See video: https://youtu.be/gTP2h2MWQpQ



Sunday, August 7, 2016

MEF COO Kevin Vachon: Annual Meeting Highlights & MEF16 Preview

MEF is focused on enabling agile, assured, and orchestrated Third Network services over automated, virtualized, and interconnected networks.

MEF COO Kevin Vachon shares highlights on key LSO and open initiative work at MEF’s Annual Meeting in Boston and provides a preview of the MEF16 event in Baltimore, 7-10 November.

See video: https://youtu.be/o2X5R7i9E40


MEF Launches 5G, SD WAN & Cloud Exchange Projects

MEF is advancing development of Third Network services based on LSO, SDN, and NFV encapsulated in OpenCS use cases and OpenLSO capabilities.

MEF CTO Pascal Menezes discusses the launch of new projects for 5G, SD WAN & Cloud Exchange technology domains that will be orchestrated using LSO APIs.

Project directors will coordinate use cases, information models, and APIs needed for orchestrating services across these and other domains.

See video:  https://youtu.be/bL1y14I4EcQ

Friday, August 5, 2016

MEF Looks to Certify Lifecycle Service Orchestration

MEF is now looking to take the next big step forward with certification of Third Network services enabled by LSO (Lifecycle Service Orchestration), says Bob Mandeville, President of Iometrix.

The pivotal moment will come at this fall’s MEF16 event on November 7-10 in Baltimore.


See video: https://youtu.be/I0Kor42LX40




Thursday, August 4, 2016

CENX: Service Orchestration Encompasses Many Functions

MEF has published its LSO reference architecture. Orchestration encompasses a wide variety of functions, says Marie Fiala Timlin, Director of Marketing for CENX. These capabilities include fulfillment control, security policy, analytics and assurance -- areas that CENX focuses on.

See video: https://youtu.be/QBsh9T5OCD8




Wednesday, August 3, 2016

Global Capacity's Mary Stanhope: Ethernet Drives Today's Hybrid WANs

Ethernet continues to drives the next wave of hybrid networks or software-defined WANs, says Mary Stanhope, VP of Marketing for Global Capacity, speaking at the MEF's Annual Members Meeting in Boston.

See video: https://youtu.be/kLdHHMJfLAc

MEF16 - November 7-10, 2016, Baltimore


ONF's Dan Pitt: SDN Meets MEF's Lifecycle Service Orchestration

The Open Networking Foundation (ONF) has been working with the MEF for over a year to bring SDN and NFV into the scope of Carrier Ethernet, says Dan Pitt, Executive Director of ONF.

The focus now is on Lifecycle Service Orchestration and carrier-grade SDN into multi-carrier deployments.

See video: https://youtu.be/UYtHIjTg8H8


Wedge Networks on Security and Lifecycle Services Orchestration

Security must be an essential part of the MEF's Lifecycle Services Orchestration (LSO) and the Third Network, says Wedge Networks' CTO Hongwen Zhang. Tomorrow's cloud-based economy will rely on the security of network services.

Wedge Networks is proposing a Security as a Service Ad Hoc Working Group within the MEF.



MEF Readies University Partnership Program

The MEF is looking to kick-off a new University Partnership program aimed at fostering collaboration with academia, says Lance Hassan, MEF Director and Principal Engineer at Charter Communications. The first site will be Purdue.

See video: https://youtu.be/LhXCBsSZPaw


Monday, July 25, 2016

MEF's Open Connectivity Services Packet WAN Use Case Led by Cisco. Amartus

MEF is undertaking a new OpenCS (Open Connectivity Services) Packet WAN Use Case that as part of MEF’s Open Initiative to accelerate the industry transition to agile, assured, and orchestrated Third Network services.

The OpenCS Packet WAN use case, which is led by Cisco and Amartus, will deliver a multi-vendor enabled reference design that includes the Presto NRP API using an OpenDaylight (ODL) SDN controller as a platform. In addition, the project involves OpenDaylight plug-ins defined in the ODL UNI Manager project. The OpenCS Packet WAN project team will provide frequent feedback about the use cases, information models, and operations required for MEF network resource models to the MEF NRP project team and coordinate MEF contributions to the ODL community.

MEF has multiple OpenCS use case instances underway, representing the services under the control of a specific network operator but which are orchestrated as part of a federated system initiated by a Third Network service provider. Within the OpenCS ecosystem, companies are developing and testing reference designs of MEF-defined L1-L7 services using combinations of open and closed source software, open specification and commercial hardware (e.g. Carrier Ethernet 2.0 certified devices), SDN, and NFV via MEF’s LSO Presto Network Resources Provisioning (NRP) APIs.

“We are delighted to have the support of Cisco and Amartus for MEF’s OpenCS Packet WAN Use Case that will help drive industry innovation,” said Pascal Menezes, CTO, MEF. “We especially want to thank Donald Hunter, Principal Engineer, Cisco and Bartosz Michalik, Technical Architect, Amartus for co-leading this important project.”

“We’re pleased that the MEF has selected Bartosz to co-lead this project,” said Marcin Paszkiewicz, CEO of Amartus. “Bartosz has contributed to the development of the LSO Presto API from the very outset, having participated in both of the MEF LSO Hackathons that have taken place to date, and I have no doubt that he’ll be highly successful in this project.”

https://www.mef.net/

Thursday, June 30, 2016

Blueprint: LSO Hackathons Bring Open Standards, Open Source

Open standards and open source projects are both essential ingredients for advancing the cause of interoperable next-generation carrier networks.

When a standards developing organization (SDO), like MEF, creates standards, those written documents themselves aren’t the end goal. Sure, the specifications look good on paper, but it takes a lot of work to turn those words and diagrams into hardware, software and services. And if there are any ambiguities in those specifications, or misinterpretations by vendors building out their products and services, interoperability could be problematic at best.

By contrast, when an open-source project is formed, the team’s job is obvious: to create software and solutions. All too often, the members of the project are focused on reaching a particularly objective. In those cases they are working in a vacuum, and might write code that works great but which can’t be abstracted to solve a more general problem. In those cases, interoperability may also be a huge issue.

The answer is clear: bring together SDOs and open-source teams to write open-source code that’s aligned with open specifications. That’s what is happening at the LSO (Lifecycle Service Orchestration) Hackathons hosted by MEF: open source teams come together to work on evolving specifications, and the end result is not only solid code but also effective feedback to MEF about its specs and architecture. Another benefit: networking experts from across the communications industry work together with software developers from the IT world face-to-face, fostering mutual understanding of the constraints of their peers in ways that lead to more effective interaction in their day jobs.


MEF recently completed its Euro16 LSO Hackathon held in Rome, Italy during April 27-29, 2016. This followed the debut LSO Hackathon at MEF’s GEN15 conference in Dallas in November 2015. (See “The MEF LSO Hackathon: Building Community, Swatting Bugs, Writing Code,” published in Telecom Ramblings.)

“The Euro16 LSO Hackathon built on what we started in the first Hackathon at GEN15,” said Daniel Bar-Lev, Director of Certification and Strategic Programs, MEF and one of the architects of the LSO Hackathon series.

One big change: not everything had to be physically present in Rome, which expanded both the technology platform and the pool of participants. “We enabled work to be done remotely, said Bar-Lev. “While most of our participants were in Rome, we had people engaged from all over the United States. We also didn’t need to bring the networking equipment to Rome. Most of it remained installed and configured in the San Francisco Bay area. Instead of shipping racks of equipment, we set up remote access and were able to position the hardware and software in the optimal places to get development done.”

Lifecycle Service Orchestration and the Third Network Vision

Why “Lifecycle Service Orchestration” for the MEF-hosted LSO Hackathons? Bar-Lev explained that it ties into MEF’s broad vision for Third Network services that combine the ubiquity and flexibility of the public Internet with the quality and assurance of private connectivity services such as CE 2.0.

 “When we think of traditional CE 2.0 services, we tend to think of them as “static” — often taking weeks or months to provision or change a service,” said Bar-Lev. “With the Third Network vision, we are driving specifications for services like CE 2.0 that can be created and modified in minutes instead of months and also be orchestrated over multiple provider networks.”

As Bar-Lev explained, the real work of MEF today is to formally define Third Network services and all the related services required to implement flexible inter-network communications. “End-to-end LSO is essential for that,” he continued, “along with SDN and NFV.”

That’s where open standards and open source projects converge, with MEF initiatives like OpenLSO (Open Lifecycle Service Orchestration) and OpenCS (Open Connectivity Services). “It’s all about creating and trying out building blocks, so we can give service providers reference designs from which they can develop their offerings more quickly. They don’t have to define those services themselves from scratch; rather they can access them at MEF, which gives them a valuable and time-saving starting point,” Bar-Lev said.

Indeed, the OpenLSO and OpenCS projects describe a wide range of L1-L7 services that service providers need in order to implement Third Network services. MEF is defining these services, and developers work on evolving elements of the reference designs during LSO Hackathons.

A Broad Array of Projects and Participants at Euro16 LSO Hackathon

According to MEF, the OpenLSO scenarios worked upon at Euro16 LSO Hackathon were OpenLSO Inter-Carrier Ordering and OpenLSO Service Function Chaining. The OpenCS use cases were OpenCS Packet WAN and OpenCS Data Center. The primary objectives of the Euro16 LSO Hackathon included:

        Accelerate the development of comprehensive OpenLSO scenarios and OpenCS use cases as part of MEF's Open Initiative for the benefit of the open source communities and the industry as a whole.

        Provide feedback to ongoing MEF projects in support of MEF's Agile Standards Development approach to specification development.

        Facilitate discussion, collaboration, and the development of ideas, sample code, and solutions that can be used for the benefit of service providers and technology providers.

        Encourage interdepartmental collaboration and communications within MEF member companies, especially between BSS/OSS/service orchestration professionals and networking service/infrastructure professionals

Strong Industry Participation at Euro16

Around 45 people participated in the Euro16 LSO Hackathon – the majority in Rome and the remainder being the AT&T Remote Team in Plano, Texas as well as other participants attending remotely from other parts of the United States.

“We brought people together with widely divergent backgrounds,” said MEF’s Bar-Lev. “We had software developers with no networking expertise, and network experts with no software skills. The core group worked in the same room in Rome for three days, with additional folks working independently and syncing up with the Rome teams when appropriate.”

The Euro16 LSO Hackathon included participants from Amartus, Amdocs, AT&T, CableLabs, CenturyLink, Ciena, Cisco, Edge Core Networks, Ericsson, Gigaspaces, HPE, Huawei, Infinera, Iometrix, Microsemi, NEC, Netcracker, NTT, ON.Lab, Telecom Italia Sparkle and ZTE. The whole process was managed by Bar-Lev and Charles Eckel, Open Source Developer Evangelist at Cisco DevNet.

“What is most important about the LSO Hackathon is that it takes the specifications that are being defined and transforms them into code”, said Eckel. “It moves that process forward dramatically. The way standards have traditionally been done is a very long process in which people spend months and sometimes years getting the details of documents figured out, and then it can turn out that the specification is almost non-implementable. With the LSO Hackathon we create code based on early versions of the specifications. This helps the process move forward because we identify what’s wrong, what’s missing, and what’s unclear, then we update the specs accordingly. This is an important reason for doing the LSO Hackathon.”

Eckels continued, “Equally important is the positive impact on the participating open source projects and open source communities. Usability issues and gaps in functionality are identified and addressed. The code implemented during the Hackathon is contributed back upstream, making those projects better suited to address the requirements mapped out by the specifications.”

Dawn Kaplan, Solution Architect, Ericsson, added: “The Euro16 LSO Hackathon aimed to solve a very crucial inter-carrier business problem that will change our industry when solved.  The ordering project in the LSO Hackathon is focused on implementing the inter-carrier ordering process between service providers. At the Hackathon we built upon the defined use case, information model, and a sample API to enable service providers to order from one another in a completely automated fashion. With the code and practices developed at the Euro16 LSO Hackathon we will come much closer to tackling this very real issue.”

“We are a new participant in the LSO Hackathon and find this initiative very important on a community level,” explained Shay Naeh, Solution Architect for NFV/SDN Projects at Cloudify by GigaSpaces. “Through the Euro16 LSO Hackathon, we are learning how to contribute our own  open source code solutions and combine them alongside closed source solutions to make the whole ecosystem work. Open source is very important to us,  and we are excited to see telcos coming around to the open source model as well. By having a close relationship with open source communities, the telcos influence those projects to take into account their operational requirements while reducing the chances of being locked into relationships with specific technology providers. You can mix and match vendor components and avoid having a vertical or silo solution. What is very important to telcos is to introduce new business services with a click of a button and this is definitely achievable.”

MEF Euro16 LSO Hackathon Report

MEF has published a new report spotlighting recent advances in development of LSO capabilities and APIs that are key to enabling agile, assured, and orchestrated Third Network services over multiple provider networks. The report describes objectives, achievements, and recommendations from multiple teams of professionals who participated in the Euro16 LSO Hackathon.

Coming Next:  MEF16 LSO Hackathon, November 2016

The next MEF LSO Hackathon will be at upcoming MEF16 global networking conference, in Baltimore, November 7-10, 2016. The work will support Third Network service projects that are built upon key OpenLSO scenarios and OpenCS use cases.

“We will have different teams working on Third Network services,” said MEF’s Bar-Lev. The work will accelerate the delivery of descriptions of how to create Third network services, such as Layer 2 and Layer 3 services. Participants will get hands-on experience and involvement in identifying the different pieces of technology needed to develop those projects."

About the Author
Alan Zeichick is founder, president and principal analyst, Camden Associates. 
Follow Alan on Twitter @zeichick

Thursday, May 12, 2016

Video: MEF - Delivering the Third Network Vision - #ITW2016

The MEF has defined its Third Network Vision for Agile, Assured and Orchestrated services worldwide.

How to deliver on this vision?

In this video, Nan Chen, President of the MEF, talks about three initiatives underway to make it a reality: (1) defining Lifecycle Service Orchestration (LSO), (2) define new Third Network services (3) define an Open LSO or open connectivity service.

https://youtu.be/9lh9dIIYwjI



Wednesday, April 13, 2016

MEF Sets Ethernet Interconnect Point Agreement for Carriers

The MEF published the Ethernet Interconnect Point (EIP) ENNI Implementation Agreement – MEF 54, which streamlines the interconnection of operator networks to support end-to-end Carrier Ethernet (CE) services.

The IA provides practical guidance so operators can evolve their networks to meet full CE 2.0 E-Access interconnection capabilities. The IA gives operators the steps involved to create these new interconnections either all at once or in a series of steps. The  IA represents the completion of Phase 1 of the MEF EIP project, which includes the most basic interconnection possible: an Ethernet Private Line created using two E-Access EPL services from different operators with an ENNI interconnect between them.  Phase 2 – which currently is in progress – will add test cases with greater complexity and new use cases focused on EVPL and E-Transit (EPL and EVPL). Additional considerations include color awareness, Class of Service, end-to-end service OAM, and LSO (Lifecycle Service Orchestration).

“The purpose of the EIP project is to produce a series of implementation agreements/ guidelines to create a more efficient marketplace of interconnected operators offering standardized CE 2.0 services that interoperate effectively over two or more networks,” said Nan Chen, President of the MEF. “EIP progress is key to future industry growth and innovation because widely deployed and interconnected CE 2.0 networking fabrics will form the foundation upon which to build agile, assured, and orchestrated Third Network services. “More than a dozen MEF member companies participated in Phase 1 of the EIP project that included Rapid Prototype testing at the University of New Hampshire’s Interoperability Lab,” said Chen. “We want to thank these companies for contributing to move the industry forward: AT&T, Verizon, Windstream, CenturyLink, Frontier, TelePacific, Accedian, Alcatel-Lucent (Nokia), Canoga Perkins, Ciena, Cisco, Juniper, RAD, and Veryx Technologies.”

https://www.mef.net/

Wednesday, March 30, 2016

MEF Publishes Lifecycle Service Orchestration Reference Architecture

Following approval by its members, the MEF published its Lifecycle Service Orchestration (LSO) Reference Architecture & Framework (MEF 55) for Service Providers.

LSO, which aims to automate the entire network service lifecycle in a sustainable fashion, encompasses all network domains that require end-to-end management and control to deliver on-demand connectivity services (Carrier Ethernet 2.0, IP VPNs, MPLS, SDN/NFV, etc.) and to assure their overall quality and security.

The LSO Reference Architecture describes the functional management entities needed to support LSO and the Management Interface Reference Points between them. LSO provides open and interoperable automation of management operations that include design, fulfillment, control, testing, problem management, quality management, billing & usage, security, analytics, and policy capabilities. It enables automated management and control of end-to-end connectivity services that span multiple service provider domains. For example, a provider of dynamic network services could extend its reach by using LSO to interact with other service providers to manage and control access portions of end-to-end services.

“Service providers worldwide are looking for complete automation of the service lifecycle as a means to overcome OSS/BSS challenges that prevent them from taking full advantage of existing and newer SDN- and NFV-enabled networks,” said Nan Chen, President of the MEF. “Many of the world’s largest service providers have supported MEF efforts to define LSO capabilities and supporting APIs to address this challenge. We are thrilled to have completed the first phase in the LSO journey and already have launched new initiatives to accelerate LSO development – including in collaboration with other industry organizations within an open networking ecosystem.”

Michael Strople, Chairman of the MEF, commented: “Lifecycle Service Orchestration is essential to the evolution and implementation of SDN and NFV. The LSO Reference Architecture clearly defines LSO functionality and capabilities and will enable service providers to make big steps forward in the development of virtualized networks and overcoming the operational challenges that have been holding our industry back.”

http://www.mef.net
https://www.mef.net/Assets/Technical_Specifications/PDF/MEF-55.pdf

Tuesday, March 15, 2016

MEF & ON.Lab Collaborate To Advance Open Third Network Services

The MEF and ON.Lab announced a collaboration centered on ON.Lab’s E-CORD and the MEF’s new OpenCS (Open Connectivity Services) and OpenLSO (Open Lifecycle Service Orchestration) Projects. Initial collaboration showcases ON.Lab’s E-CORD as one of the first open source instances for dynamic/agile, assured, and orchestrated Third Network Services.

OpenCS is a network ecosystem that enables SDN and NFV reference implementations of open source software and open spec hardware for MEF-defined services, starting with Carrier Ethernet 2.0 and evolving to Layer 3 IP and above. OpenLSO is an orchestration ecosystem that enables a reference implementation of open source solutions and interfaces that adheres to the MEF LSO specification.

Areas of CORD and MEF collaboration include:

  • E-CORD Proof of Concept Demonstrations / OpenCS Reference Builds. E-CORD demonstration as a pioneering OpenCS reference build at the ONS 2016 conference being held this week in Santa Clara, California. The PoC will show how E-CORD can enable service providers to provide customized, programmable, on-demand CE 2.0 E-Line services using SDN & NFV. During 2016, the E-CORD platform will evolve to include enhanced support for MEF service models and will include a broader set of CE 2.0 services in future
  • E-CORD Integration With MEF LSO. Research on how to align E-CORD with OpenLSO functions within the overall MEF LSO Reference Architecture. This includes discussions on how E-CORD can evolve to communicate with service orchestration functions using the MEF LSO Presto Management Interface.
  • LSO Hackathons. Participation at the Euro16 and MEF16 LSO Hackathons to be held at the MEF Quarterly Meeting in Rome during 25 – 28 April and at MEF16 respectively, where programmers will orchestrate an E-Line instantiation in E-CORD using XOS over LSO Presto.
  • MEF16. Participation as an open source organization partner at the MEF16 global networking event held during 7 – 10 November in Baltimore-Washington, DC.


http://www.MEF16.com
http://onlab.us
https://www.mef.net/

See also