NGOF: On the Right Lines

The Next Generation Optical Transport Network Forum: on the right lines

At the Huawei Global Analyst Summit (HAS) 2019, the Next Generation Optical Transport Network Forum (NGOF) officially launched its five-star criteria for premium private lines.

According to IDC, 85% of enterprise applications will be deployed in the cloud by 2025. According to Gartner, the cloud computing market is expected to hit US$143.5 billion by 2020.

The ever-growing demand for enterprise cloudification poses a great challenge to carriers’ private line bearer networks. In recent years, the bandwidth growth of enterprise private lines has lagged far behind that of home broadband services. High-value customers such as financial institutions, government agencies, OTTs and large enterprises, attach a great importance to high reliability, low latency, large bandwidth, bandwidth on demand (BOD), high cost effectiveness and fast provisioning. Carriers urgently need to provide private lines of a better quality to address the future cloudification requirements of various enterprises.

In response to this market demand, an industry alliance – the Next Generation Optical Transport Network Forum (NGOF) – has been focusing on the formulation of unified criteria for premium private lines since its foundation and has set up a cloud & private line bearer work group.

NGOF has performed an in-depth survey on the service requirements of many enterprises such as financial institutions, Internet enterprises, and scientific research institutes.

Based on the survey results, at the recent Huawei Global Analyst Summit (HAS) 2019, the NGOF officially launched its five-star criteria for premium private lines from the perspective of user experience, aiming to provide guidance for industry partners to innovate premium private lines.

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The criteria consist of the following five indicators:

  1. Guaranteed bandwidth: Enterprise private lines need to provide guaranteed bandwidth based on end-to-end physical network isolation, and encrypt data based on different levels.
  2. High availability: Enterprise private lines need to deliver a link availability of 99% or higher. The link availability can vary from 99% to 99.99% based on different levels.
  3. Low latency and jitter: By using the E2E provisioning latency per 1000 km private line as well as the difference between the actual route latency and latency during provisioning as the evaluation metrics, NGOF quantifies the latency and jitter based on different levels.
  4. Service agility: NGOF quantifies the service provisioning time, which is from the time when an enterprise customer subscribes to a private line service online to the time when the carrier delivers the service to the customer. The service provisioning time can range from months to minutes, based on different levels.
  5. Online self-management allows enterprise customers to manage private line KPIs in a visualized manner and customize differentiated private line service policies on demand.

zhao wenyu

Zhao Wenyu, leader of the cloud & private line bearer work group at NGOF, explained: “We look to leverage a quantitative criteria system to drive industry partners to jointly build experience-measurable private line bearer networks, so as to provide superior service experience for end users and promote the prosperity of the optical network industry.”

To date, premium private lines have been a strongly focus of the three tier-1 carriers in China and leading carriers in Europe, which have embarked on the journey of exploring innovation practices. In the future, NGOF will further play a decisive role as an industry alliance and continue to work with industry partners worldwide to drive the prosperity of the entire optical network industry.

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Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. With integrated solutions across four key domains – telecom networks, IT, smart devices, and cloud services – we are committed to bringing digital to every person, home and organization for a fully connected, intelligent world.


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