‘Three Disappearing Points for the Future Network …’ Future Summary: Net Keynote


In the near future, networks will have more open source software elements, advanced programmability and product-a-service features, as determined by experts at the Future: Net 2021 Symposium.

‘Three Disappearing Points for the Future Network …’ Future Summary: Net Keynote
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The virtual event was presented by vendors such as Cisco, Google and Microsoft, as well as academia and market research firms Gartner and 451 Research.

It is a common theme for many speakers that future networks and networking technologies have software control and programmability features.

One reason for this significant change is the use of open source networking technologies. Currently, this phenomenon is due to the interest and use of Sonic (software for open networking in the cloud), an open source network operating system.

Developed by Microsoft and made open sourceA Linux-based NOS network that separates software from the underlying hardware and allows you to run switches and ASICs from multiple vendors. Additionally, it supports various network functions such as the Border Gateway Protocol (BGP), Remote Direct Memory Access (RDMA) and QoS.

There is an exaggeration for Sonic right now, but there is also real acceptance and it is one of the long-term trends that is causing more disruption in the market, said Gartner Vice President Andrew Runner. Gartner Latest reportFrom 2020 to 2025, 40% of companies operating data center networks with more than 200 switches will deploy SONiC in production, with Gartner’s customers interested in SONiC growing by 87% between 2020 and 2021.

The seller community around SONiC has also grown. Dell, Arista, Nokia, Upstra, Alibaba, Comcast, Cisco, Broadcom, Juniper, Edgecore, Innovium, IP Infusion, Huawei, Nvidia-Mellnox and WiMware.

In a report, Runner said, “With the rapid expansion of customer interest and the business ecosystem, SONiC will gain a foothold as a server OS for Linux in the next three to six years. It is likely to be recognized as the standard. “As Linux-based tools and Linux companies bring in, the opportunity for innovation has arisen.”

However, Sonic is not the only one to attract attention. Other open source networking projects are also attracting attention, said Nick McCawan, professor at Stanford University and chairman and co-founder of Barefoot Networks.

These include OpenSwitch (OVS) virtual switches, Facebook OpenSwitching System (FBOSS), Open Config(OpenConfig), Free Range Routing (FRR) projects are included, McCurry said.

“Open source networks have re-emerged as a valid and reliable way of controlling,” McConaughey said. This has been neglected for some time, but has been proven by Linux, Mozilla, Apache and other public projects. After being open source, it has been repeatedly proven that if it develops with a lot of interest, it will gradually improve and increase credibility. ”

In addition to the concept of open source, the idea is that in the future the programming of networks will be strengthened and more functions and controls will be provided by the software.

Cisco Cloud Vice President and CTO Bezoy Pandey said, “In a few years, no one will be configuring networking, but only applications. We need a self-governing autonomous programmable network. “Because the network configuration work goes to the application layer and we fix the problem from there.”

Finally, some people run the network and there is a lot of programming, Pandey says.

“For the first time, it will be programmable from start to finish, and everything from packets to switches and NICs will be fully software-defined,” McKerwan said. It opens up amazing new opportunities. In addition, if everything in the software is defined, you will have software engineering tools and technologies that are not yet possible. ”

In addition to strengthening programming, the network will become autonomous from automation, said Vikash Kolli, Vice President, Google Global Networking.

“The future network learns that it is in its optimal operating state, so when the network moves out of the known normal state, it can take action on its own and enter into a preventive state or quickly reduce. Autonomous networks detect and respond to changes in demand and traffic patterns. In addition, the autonomous network automatically Will be. ”

Another trend that experts say has an impact on the world of networking is that network functions are provided as a service. “All future network and security services will be delivered through the SAS model,” Pandey said.

The network is cloud-native and network functionality and security come from the cloud edge, Collie said. “Cloud-native state means that the implementation of the factor ‘s modern container microservice management factor for networking becomes the norm,” he said.

“It allows users to have the infrastructure in code, regardless of whether the underlying network is physical or virtual. The network is delivered as cloud-native service and SAS and the network is distributed as storage and computing is distributed. ”

For data center customers, this will be a new way to utilize data center networking resources in a cloud-like way, Runner said. It has a single, self-service portal for networking services, all of which are billed on a pay-as-you-go basis.

“Some providers are already investing in providing cloud-like services,” Runner said. Additionally, the management portal is modified by separating the hardware from the software, modifying the software on a subscription basis, and providing it as a service. “Hardware as a service will soon emerge, where customers will use the hardware through subscriptions without having to buy at every port price.”

By 2023, at least two major data center networking providers will offer a fixed monthly price for each port, and by 2025, 30% of companies will have procured new data center switches as a service through hardware, he said. ciokr@idg.co.kr


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