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The Future of Networking

DZone's Guide to

The Future of Networking

· IoT Zone
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Today’s networks are mainly based on hardware acceleration of a limited set of low-level routing rules. This was perfect in a well established world of a limited set of well known protocols traveling mainly from servers to clients. The new reality is that software has become elastic, data has grown big, Internet of Things clients are growing exponentially & are very chatty, streaming 4K video will be the norm, etc. Networks now need to become software defined if they want to survive this new reality.

Is SDN on top of private cloud the solution?
The answer is only partially. There are just too many data plane heavy use cases that still need hardware acceleration in the short term. Too many networking software is not ready for scale out and too many layers of hypervisors and other complex abstractions make current solutions too slow.

The solution is divide and conquer. Just like transactional database are still around after a wave of NoSQL, NewSQL, streaming analytics, graph databases, etc. So will next-generation networking need a mix of best in breed virtualized and appliance-based solutions to each problem.

Networking White Boxes or SDNA
Software defined networking appliances will be the first big innovation in 2015 to be adopted at scale. These boxes combine network acceleration with software-defined networking applications. In the beginning this will mean that standard networking ASICs can be reprogrammed in more dynamic ways. Good examples are the Facebook Wedge and Six Pack. This is however just the start. Expect multi-core processors that can handle many ports at the same time or new versions of ASICs and FPGAs that are more optimised for SDN logic.

Network Orchestration
Just like IT and Cloud got a big Devops boost through orchestration tooling, so will network orchestration tools allow for virtualized SDNs and physical SDNA to be orchestrated seamlessly. These will likely be additions to existing devop and orchestration tools instead of a new set of tools.

Software Define Radio
Instead of using cables and broadband solutions which are expensive to install, expect the next generation of software define radio to allow for end-devices to communicate with their peers and hubs a lot more freely, optimised and ad-hoc. This means that the next-generation of networking needs to take into account a reality of wired and wireless. Also expect protocols to evolve. With software defined radio it will be possible that new wireless standards emerge from small projects on Github that become overnight successes. Yaml, Json, Node.js, WebRTC, etc. were not born in a standardisation group. They became standards through usage. Expect the next generation of networking protocols to come from small super smart startups.

Networking Apps & App Stores
At the moment you buy an appliance that comes with an embedded operating system and a set of pre-installed networking logic. At most you can install plugins. The near future will see networking apps be sold via networking app stores on SDNA from a third-party. Expect new networking startups to become overnight successes because they no longer need to ship atoms worldwide, they just need to upload bits to an app store.

Reshuffling of the networking and telecom market
With software, operating system and hardware being separated, the old networking industry rules get rewritten. It used to be enough to be good at 2 or at least 1 out of three. Excellent hardware, an ok operating system and some good software was enough to be market leader. Now no longer. Best-in-class can be easily obtained in each category. The problem will be when revenue streams come from software maintenance but the supplier actually was only excellent in hardware. These suppliers will see their revenue disappear overnight when others start winning the networking software battle. Expect also the networking services business to change. If hardware, operating system and many networking apps substitute the single vendor approach then very likely IT system integrators will have a better shot at dominating the services market then traditional network vendors. Networking will have become more like IT. Even telecom networking. So IT system integrators have everything to win by accelerating this trend.

Expect many new technologies and business changes that will make new winners and old losers in the next 24 months. My money is on the network software innovators to come out winning…

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Published at DZone with permission of Maarten Ectors, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

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