With the rapid development of IoT, users' demands on enterprises, service providers and home networks have grown exponentially. Network architects and administrators also face the challenge of building and maintaining an efficient network of operations. A key element in addressing this issue is the wider use of Ethernet connectivity, which is expanding at 10 Gbps, 40 Gbps, and even 100 Gbps. Trusted Ethernet provides the underlying network layer for IoT devices and the operation of operating systems and software applications.
The forecast for the growth of the IoT market is amazing. Research institute IDC expects that by the end of 2020, the total number of connected devices worldwide will reach 221 billion. The Cisco Global Cloud Index also pointed out that by the end of 2017, the global data center's annual IP traffic will reach 7.7 terabytes (Zettabytes, one Ze is equal to one byte multiplied by 10 to the 21st power). The amount of data transmitted over Ethernet and stored on storage devices is truly amazing.
IoT connections are not only based on wired networks, but also on rapidly evolving wireless networks (such as Wi-Fi, Bluetooth technology, etc.). Nowadays, many companies are trying to develop new products for the Internet of Things. These attractive new IoT objects are gradually becoming the focus of attention. In addition to a large number of non-traditional Internet access devices (such as smart home appliances), IoT also includes a growing number of smart wearable products, such as fitness trackers, which provide real-time data on the vital signs and vitality levels of users. As another example, in an industrial environment, an IoT device built into a jet engine can send statistics about the engine's operation to the system controller.
Behind these gratifying trends, massive amounts of data are being generated that need to go where and generate value. The network infrastructure sector is responding to this upcoming surge in data by enabling fast, efficient, and reliable data movement innovation:
Software Defined Network (SDN)
SDN provides a software platform for the entire network to achieve better coordination, control and programmability, thereby reducing the complexity of these modern networks. Ethernet switches are ideal for SDN because they provide the infrastructure needed for the Internet and data centers.
Network Function Virtualization (NFV)
Complementing SDN, NFV moves networking capabilities from proprietary application devices such as routers and switches to general-purpose servers running virtualization technology to give Ethernet greater scalability, flexibility and efficiency.
cloud computing
The cloud provides additional computing power to meet the growing demand of third parties for businesses or small businesses. With the cloud, organizations can have the capacity to meet the growing needs of users without investing in new IT infrastructure. In addition, data processing and storage in the cloud is an effective mechanism by which this computing capability can be migrated to the physical location where data is created and the devices that generate the data are controlled. To achieve this value requires low latency and high bandwidth, so cloud computing also relies on well-designed Ethernet networks.
Big Data
As more and more things and devices need to be interconnected and connected to the network, the amount of data in the network will also increase, and finding the most important data will be as difficult as finding a needle in a haystack. Big data analyzes a vast database of information, collecting and providing important data that will maximize the benefits to users. To establish interconnection between data processing servers, Ethernet with high capacity and low latency is once again an ideal choice.
Green data center. As data centers grow larger and more complex, energy costs will increase and energy efficiency will be affected. In 2012, the New York Times reported that 90% of the electricity that data centers receive from local power facilities may be wasted. Migrating to more energy-efficient, higher-capacity Ethernet connections has played a big role in the greening of data centers. A study shows that if the network migrates from 1G equipment to 10G energy-efficient Ethernet, carbon dioxide emissions can be reduced by up to 3.5 million tons, equivalent to 2.3 million vehicles on the road, or 1.3 billion gallons of gasoline. Or 27 million barrels of oil.
SDN, NFV, and other network automation tools, combined with 10Gbps or higher Ethernet connectivity, provide a network foundation on which the software layer of the IoT device can operate efficiently. In addition to wired networks, processors built into Wi-Fi and Bluetooth devices complement wireless connectivity, extending network connectivity. This combination can help end users to maximize the effective use of billions of interconnected devices that are expected to emerge in the future.
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