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Marcia Savage
Marcia Savage
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Networking 2015 Rewind

As the year comes to a close, we look back on some of the memorable moments in networking from 2015, including the drive towards open networking and the departure of Cisco's longtime CEO.
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For the networking industry, the past few years have been marked by rapid change and upheaval. This year was no different as networking continued to quickly evolve as SDN and open networking gained steam.

While still an emerging technology, software-defined networking began to move past the experimental stage in 2015. According to market research firm IHS, SDN deployments grew beyond pilot projects this year as enterprises became comfortable with the technology. IHS expects the market for in-use SDN Ethernet switches and controllers will top $1.4 billion this year.

Demand for bare-metal switches -- switches without a network operating system loaded on them -- helped to drive SDN growth, according to IHS.

Certainly there was a lot of activity this year on the open networking front, including HP releasing a white-box switch and an open source network operating system, Juniper releasing a disaggregated version of its Junos software, and Facebook developing a 100 Gigabit Ethernet version of its Wedge top-of-rack data center switch.

On the SDN front, Cisco and VMware ramped up their sparring match over their ACI and NSX platforms, while software-defined WAN continued to garner lots of attention.

2015 saw plenty of other big changes in the networking industry, including longtime Cisco CEO John Chambers stepping down, HP's acqusition of WLAN vendor Aruba, and the depletion of ARIN's IPv4 supply. Let's take a walk down memory lane as we look back on the past year in networking.

 

Marcia Savage is the managing editor for Network Computing, and has been covering technology for 15 years. She has written and edited for CRN and spent several years covering information security for SC Magazine and TechTarget. Marcia began her journalism career in daily ... View Full Bio

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MarciaNWC
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MarciaNWC,
User Rank: Strategist
12/9/2015 | 3:44:33 PM
Re: additions
Thanks for the feedback Brian. I think you've pinpointed the big challenge for networking ahead!
Brian.Dean
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Brian.Dean,
User Rank: Ninja
12/8/2015 | 8:35:41 PM
Re: additions
@Marcia, I feel that the list has captured most of the major developments in the networking space that took place in 2015. According to Statista, around 240 million new internet users joined the network in 2015 and it seems that the 2.9 billion users that were already connected to the network have started to extract a greater level of network utilization (through banking, social media and IoT, etc.). For the future, I wonder if development and progress will be able to keep pace with the growing demand on networks.
MarciaNWC
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MarciaNWC,
User Rank: Strategist
12/8/2015 | 2:50:03 PM
Cisco security
Cisco's security moves this year were noteworthy, including its acquisition of Lancope for $425.5 million.

 

 
MarciaNWC
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MarciaNWC,
User Rank: Strategist
12/7/2015 | 11:34:02 AM
additions
Network Computing community members: Let me know if there were other events this year you'd add to the list!
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