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Understanding TSN? Understand Its Role in Future Ethernet Networks

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Following new trends and technologies, you’ve possibly been hearing a lot about time sensitive networking (TSN). It’s a relatively new technology, have you been wondering, “what is TSN?” and “why does it concern my company?”

As you may have read in this previous post about TSN, this new technology transforms standard Ethernet from an “I’ll get it there as soon as I can” communications technology to one that provides timing assurance for mission-critical applications. Now, you can achieve an entirely new level of determinism in IEEE 802.1 and IEEE 802.3 Ethernet networks.

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3 Ways Data Centers Can Use CFD Modeling

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You might of heard about computational fluid dynamics (CFD) modeling when it comes to the design of high-performance Formula 1 racecars. By using CFD modeling to maximize down-flow forces while minimizing friction – for the racecar body and smaller “wings and struts” – Formula 1 produces a winning combination.

In a similar manner, CFD can be utilised in today’s data centers during design, capacity planning, troubleshooting and day-to-day operations. It can be used to properly develop the best design and operations solutions throughout the entire data center ecosystem, from the micro environment (chips) to enclosure environments (cabinets and containment) to the macro environment (computer white space and the entire data center hall).

Here are three ways in which your data center ecosystem can benefit from CFD.

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Bending Loss – The Risks of Reusing Installed Fiber Cable

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Due to its ultra-high data transmission capacity, ultra-low loss and installation flexibility, glass optical fiber is the most engery-efficient data transmission media available today. Optical fiber cables have been distributed worldwide to connect people and “things” together.

Stated by CRU’s Optical Fibre and Cable Monitor, last year, the global optical cable demand reached 318 million kilometers in the first three quarters of 2016.

As we mentioned in a previous blog, two types of optical fiber are available for different network environments and link distances:

  • Multimode fiber (MMF) for short-reach links up to a few hundred meters, typically used in data centers environments
  • Singlemode fiber (SMF) for long-reach links, such as in LANs, access networks, metro/transport networks and hyperscale data centers

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Cable Plugs Matter More than One Thinks

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The wireless access points, cameras and alternative devices being mounted on our ceilings or high up on walls are connecting to our networks – but not all use standard faceplate, jack and patch-cord configurations to do so. Instead, a direct-attachment system is being used, which terminates horizontal cable with a field cable plug that plugs directly into devices.

There are two cable plug options for Category 5e, Category 6 and Category 6A twisted-pair cabling:

  1. Crimp-on plug types
  2. PCB plug types

Crimp-on plug types require preciseness; cabling wires, contacts and plug components must correspond correctly to achieve appropriate electrical performance. A crimp-on plug must be designed for each cable’s geometric differences. A PCB cable plug, for that matter, does not take cabling configuration into account. Installing a PCB cable plug is just like putting on a jack: You terminate the cable onto IDCs and place the plug housing on top. This disassociates the characteristics of the cable and plug when connecting them.

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Attaining Wireless via DAS Networks for IoT

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While attending an industry conference on Internet of Things (IoT), I came across a comment made by a panelist. A numver of them compared and contrasted the competitive landscape from various perspectives (commercial, industrial, residential and utilities), but one popped up when he spoke about the importance of focusing on infrastructure.

The panelist advised us about the nature of the sometimes-uncertain and/or shifting infrastructure capabilities of platforms, devices and software we rely on. Infrastructure is recommended for communication and a functional IoT. Further, he went on to advise that more awareness should be paid to infrastructure to hinder IoT growth from being impeded because our “things” can not communicate with each other.

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Are Category Cables Sufficient for HDBaseT?

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New discoveries have been made about HDBaseT™ signals over the past couple of years, impacting the types of cables that are best suited to transport these new signals.

Recent test results indicate, category cables – which are optimized for Ethernet traffic – often battle with the HDBaseT signal. The characteristics of category cables are often overkill for HDBaseT applications; other times, category cable characteristics are not sufficient to guarantee a great signal. HDBaseT is a dissimilar type of signal, and 4K video is jolting that threshold even further.

To better understand the capabilities of category cables when it comes to HDBaseT, we want to share the outcome of Belden’s in-house cable testing. But, first, it’s vital  to know what standard we tested to.

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Next-Gen Ethernet for LAN

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Around the past 36 years, Ethernet has become the most embraced and widely distributed protocol in our global network infrastructures. Fixed Ethernet connections offer secure, fast, stable and consistent speeds, and easily support the download of large files or high levels of content streaming.

Case in point: Last year, specified by Dell’Oro research, Ethernet switch shipment counts were at 484 million. High-end Ethernet router port shipment counts were at 5.9 million. What is powerinf this phenomenal momentum? Broad market acceptance and the diverse list of applications that Ethernet supports.

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Can Silicon Photonics Transform Data Centers?

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Newish on the data-transmission scene, silicon photonics is an electrifying technology that promises inexpensive, mass-produced optical components through photonics integration – it transfers data among computer chips by optical rays that transports more data in less time than electrical conductors. Since the first commercial product was introduced in 2005, the last decade has seen remarkable progress in technology and development.

A main application area for silicon photonics is cloud data centers, whose footprints continue to grow substantially to accommodate massive amounts of servers and switches. Starting in 2016, many hyperscale cloud content and service providers, such as Facebook and Microsoft, began deploying 100G Ethernet using singlemode optics-based infrastructure in their new data centers to bolster up business growth.

100G Ethernet data center deployment has drawn attention to silicon photonics; many of these singlemode transceiver modules are made with silicon photonics technology.

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Ethernet Speeds Ascend in MTDCs, Enterprise and Hyperscale Data Centers

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In 2012, 25G Ethernet distribution began – since then, the industry’s prime players have been innovating and collaborating to execute your demands for more bandwidth with higher-performance transmission technology.

Driven by the expanding cloud ecosystem, data centers have become the rapidly-growing Ethernet market. They’re the center of many technology innovations – especially hyperscale data centers. According to the Cisco VNI Forecast, global data center traffic is increasing with a compound annual growth rate (CAGR) of 25% (33% CAGR in cloud data centers and 5% CAGR in traditional data centers).

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Ethernet Trends for Data Centre Technology

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40G and 100G Ethernet technology is no longer a distant vision for data centers – it is reality. As data centers of all types continue to expand in terms of traffic and size, 100G is set to become the new standard for high bandwidth and intelligent architecture. It will take some time to develop industry-wide, but 100G is well on its way.

In the initial development of 40G and 100G Ethernet, the IEEE 802.3 Ethernet working group considered only multimode optics and multimode fiber cable solutions (with a reach of up to 150m for 40G and 100m for 100G) for data center applications.

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