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Solving the NFV/SDN Adoption Puzzle: the Missing Orchestration Piece(s)

Posted by Pascal Joly April 20, 2018
Solving the NFV/SDN Adoption Puzzle: the Missing Orchestration Piece(s)

Quali was sponsoring the MPLS/NFV/SDN congress last week in Paris with its partner Ixia. As I was interacting with the conference attendees, it seems fairly clear that orchestration and automation will be key to enable the wider adoption of NFV and SDN technologies. It was also a great opportunity to remind folks we just won the 2017 Layer 123 NFV Network Transformation award (Best New Orchestration Solution category)

There were two main types of profiles participating in the Congress: the traditional telco service providers, mostly from Nothern Europe, APAC, and the Middle East, and some large companies in the utility and financial sector, big enough to have their own internal network transformation initiatives.

Since I also attended the conference last year, this gave me a chance to compare the types of questions or comments from the attendees stopping by our booth. In particular, I was interested to hear their thoughts about automation and the plans to put in place new network technologies such as NFV and SDN.

The net result: the audience was more educated on the positioning and values of these technologies than in the previous edition, notably the tight linkages between NFV and SDN. While some vendor choices have been made for some, implements and deployment them at scale in production remains in the very early stages.

What's in the way? Legacy infrastructure, manual processes, and a lack of automation culture are all hampering efforts to move the network infrastructure to the next generation.

cloudshell quali nfv sdn

The Missing Orchestration Pieces

NFV Orchestration is a complex topic that tends to confuse people since it operates at multiple levels. One of the reasons behind this confusion: up until recently, most organizations in the service provider industry have had partial exposure to this type of automation (mostly at the OSS/BSS level).

Rather than one piece, NFV orchestration breaks down into several components so it would be fair to talk about "pieces". The ETSI MANO (Open Source NFV Management and Orchestration) framework has made a reasonable attempt to standardize and formalize this architecture in layers, as shown in the diagram below.

OSM Mapping to ETSI NFV MANO (source: https://osm.etsi.org/images/OSM-Whitepaper-TechContent-ReleaseTHREE-FINAL.PDF)

At the top level, NFV orchestrator interacts with service chaining frameworks (OSS/BSS) that provides a workflow that includes procurement and billing. a good example of a leading commercial solution is Amdocs. At the lowest level, the VIM orchestrator provides deployment on the virtual infrastructure of individual NFVs represented as virtual machines, as well as their configuration with SDN controllers. traditional cloud vendors usually play in that space: open source solutions such as Openstack and commercial products like VMware .

In between is where there is an additional layer called VNF Managers necessary to piece together the various NFV functions and deploy them into one coherent end to end architecture. This is true for both production and pre-production. This is where the CloudShell solution fits and provides the means to quickly validate NFV and SDN architectures in pre-production.

Bridging the gap between legacy networks and NFV/SDN adoption

 

vcpe cloudshell blueprint

One of the fundamental obstacles that I heard over and over during the conference was the inability to move away from legacy networks. An orchestration platform like CloudShell offers the means to do so by providing a unified view of both legacy and NFV architecture and validate the performance and security prior to production using a self-service approach.

Using a simple visual drag and drop interface, an architect can quickly model complex infrastructure environment and even include test tools such as Ixia IxLoad or BreakingPoint. These blueprint models are then published to a self-service catalog that the tester can select and deploy with a single click. Built in out of the box orchestration deploys and configures the components, including NFVs and others on the target virtual or physical infrastructure.

If for some reason you were not able to attend the conference (yes the local railways and airlines were both on strike that week), make sure you check our short video on the topic and schedule a quick technical demo to learn more.

 

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Wine, Cheese and Label Switching

Posted by Pascal Joly April 20, 2017
Wine, Cheese and Label Switching

Latest Buzz in Paris

I just happened to be in Paris last month at the creatively named MPLS+SDN+NFV world congress, where Quali shared a booth space with our partner Ixia. There was good energy on the show floor, may be accentuated by the display of "opinionated" cheese plates during snack time, and some decent red wine during happy hours.  A telco technology savvy crowd was attending, coming from over 65 countries and eager to get acquainted with the cutting edge of the industry.

Among the many buzzwords you could hear in the main lobby of the conference, SD-WAN, NFV, VNF, Fog Computing, IoT seemed to raise to the top. Even though the official trade show is named the MPLS-SDN-NFV summit, we are really seeing SD-WAN as the unofficial challenger overtaking MPLS technology, and one of the main use case gaining traction for SDN. May be a new trade show label for next year? Also worth mentioning the introduction of production NFV services for several operators, mostly as vCPE (more on that later) and mobility. Overall, the Software Defined wave continues to roll forward as seemingly most network services may now be virtualized and deployed as light weight containers on low cost white box hardware. This trend has translated into a pace of innovation for the networking industry as a whole that was until recently confined to a few web scale cloud enterprises like Google and Facebook who designed their whole network from the ground up.

Technology is evolving fast but adoption is still slow

One notable challenge remains for most operators: technology is evolving fast but adoption still slow. Why?

Several reasons:

  • Scalability concerns: performance is getting better and the elasticity of the cloud allows new workloads to be spinned up on demand but reproducing actual true production conditions in pre-production remains elusive.Flipping the switch can be scary, considering the migration from old well established technologies that have been in place for decades to new "unproven" solutions.
  • SLA: meeting the strict telco SLAs sets the bar on the architecture very high, although with software distributed workload and orchestration this should become easier than in the past .
  • Security : making sure the security requirements to address DDOS and other threats are met requires expert knowledge and crossing a lot of red tape.
  • Vendor solutions are siloed. This puts the burden on the Telco DevOps team to stitch the dots (or the service integrator)
  • Certification and validation of these new technologies is time consuming: on the bright side, standards brought up by the ETSI forum are maturing, including the MANO orchestration piece, covering Management and Orchestration. On the other hand, telco operators are still faced with a fragmented landscape of standard, as highlighted in a recent SDxcentral article .

Meeting expectations of Software Defined Services

Cloud Sandboxes can help organization address many of these challenges by adding the ability to rapidly design these complex environments,  and dynamically set up and teardown these blueprints for each stage aligned to a specific test (scalability, performance, security, staging). This effectively results in accelerated time to release these new solutions to the market and brings back control  and efficient use of valuable cloud capacity to the IT operator.

Voila! I'm sure you'd like to learn more. Turns out we have a webinar on April 26th 12pm PST (yes that's just around the corner) to cover in details how to accelerate the adoption of these new techs. Joining me will be a couple of marquee guest speakers: Jim Pfleger from Verizon will give his insider prospective on NFV trends and challenges, and Aaron Edwards from Cloudgenix will provide us an overview of SD-WAN. Come and join us.

NFV Cloud Sandbox Webinar

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