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  • Advantages and Solutions of 25G/100G Spine-Leaf Network Structure
    Advantages and Solutions of 25G/100G Spine-Leaf Network Structure
    • December 29. 2022

    From the perspective of the development trend of data centers, the trend of "cloud" and digitalization of enterprises is irreversible. The demand for data centers in information and communication technology (ICT) industries such as cloud computing, big data, and artificial intelligence is increasing, and the demand for data center bandwidth is increasing. With rapid growth of 25% to 35% per year, ...

  • Application of 10G DAC and 40G optical module in Spine-Leaf architecture
    Application of 10G DAC and 40G optical module in Spine-Leaf architecture
    • December 24. 2022

    The traditional computing network of data centers is composed of the access layer, the convergence layer and the core layer. However, with the rapid growth of new applications and the amount of data, the requirements on the network architecture are constantly raised. Therefore, a new network topology architecture -- leaf-spine structure is born in the data center. Now, ETU-LINK will introduce the ...

  • The Development Status of 800G Optical Module
    The Development Status of 800G Optical Module
    • December 16. 2022

    With the application of cloud computing, VR/AR, AI, 5G and other technologies, the bandwidth capacity of the global Internet has become very large. The flat two-layer leaf-spine (Leaf-Spine) architecture used in ultra-large-scale data centers requires a large number of interconnections, because each Leaf is fully interconnected with the spine to maximize non-blocking network connections between sw...

  • Data center cabling solution---DAC direct attach cable
    Data center cabling solution---DAC direct attach cable
    • December 13. 2022

    DAC cable is often used in short-distance cabling schemes in data centers. Compared with other AOC active optical cable and optical module transmission schemes, it has high performance cost ratio , but the short transmission distance is its limitation. If the equipment spacing exceeds the length of direct attach cable, it is necessary to choose AOC active optical cable and optical module scheme. T...

  • 40G QSFP+ SR4 VS 40G QSFP+ BIDI optical module
    40G QSFP+ SR4 VS 40G QSFP+ BIDI optical module
    • December 09. 2022

    Common 40G QSFP+ multi-mode optical modules include SR4 and BIDI, so what is the difference between the two multi-mode optical modules? And how to choose it? ETU-LINK will introduce these two optical modules to you. The package type of QSFP-40G-SR4 is QSFP+, the interface type is MPO, the transmission distance can reach up to 100 meters when used with OM3 patch cords; and the transmission distance...

  • Full analysis of the latest 25G SFP28 series optical modules
    Full analysis of the latest 25G SFP28 series optical modules
    • December 07. 2022

    In recent years, with the rapid development of the Internet, cloud computing and big data, the increasingly high demand for bandwidth has promoted the construction of IT infrastructure data centers. The current speed standard of 10G Ethernet cannot meet the rapid growth of network traffic demands of large and medium-sized enterprises. From the perspective of resource investment and cost, 25G is th...

  • What is the difference between single fiber and dual fiber optical module?
    What is the difference between single fiber and dual fiber optical module?
    • December 01. 2022

    In this issue, ETU-LINK will introduce what is a single fiber optical module and a dual fiber optical module, and what are the differences between them. So what are single fiber optical modules and dual fiber optical modules? Single fiber optical module is an optical module product with only one optical fiber port. It can transmit and receive optical signals at the same time by inserting only one ...

  • Do you know 400G DAC Direct Attach Copper?
    Do you know 400G DAC Direct Attach Copper?
    • November 23. 2022

    With the rapid rise of the Internet of Things, cloud computing, artificial intelligence, and big data applications, the data transmission rate of servers, routers, switches, and data storage devices is also increasing, and data centers will also face challenge of high bandwidth, high reliability, and low latency, especially the higher requirements for data transmission up to 400G. To achieve high ...

  • 100G QSFP28 ZR4 Optical Module Introduction
    100G QSFP28 ZR4 Optical Module Introduction
    • November 18. 2022

    With the rapid development of cloud computing, big data and Ethernet, operators upgrade their data centers to a higher data rate, which further increases the demand for 100G. The pattern is also shifting from 100G. The 100G QSFP28 ZR4 is also the product of this era of big data.This article is mainly about the introduction of 100G QSFP28 ZR4 optical module products brought by ETU-Link.  ...

  • Ruijie RG-S6250 10Gigabit Switch Optical Module Selection Solution
    Ruijie RG-S6250 10Gigabit Switch Optical Module Selection Solution
    • November 12. 2022

    The RG-S6250 series switches are a new generation of high-performance, high-density 10 Gigabit switches launched by Ruijie Networks for cloud data centers and high-end campuses. This series of switches supports 48 10G ports and 8 100G ports, and each 100GE port can adapt to 100G and 40G. Next, ETU-LINK will introduce the common specifications of products such as optical modules, active optical cab...

  • If the optical module port is exposed to the external environment for a long time and is polluted, How to clean?
    If the optical module port is exposed to the external environment for a long time and is polluted, How to clean?
    • November 08. 2022

    Usually, the ports of the newly purchased optical modules are clean, and there is no need to clean the ports, but for the optical modules that are idle or have not been inserted into the dust cap in time, when they are used again, in order to prevent the transmission performance from being affected, we still have It is necessary to clean the port of the optical module first. Then the following ETU...

  • What is the cabling structure under the leaf ridge network?
    What is the cabling structure under the leaf ridge network?
    • November 01. 2022

    As networks grow in size, we are seeing a shift from the traditional three-layer network architecture to a flatter, wider Spine-Leaf architecture. Most modern e-commerce, social media and cloud applications use distributed computing to serve their customers.  Distributed computing means that servers speak to servers and work in parallel to create dynamic web pages and answer customer question...

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