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    <title>DEV Community: 长安 李</title>
    <description>The latest articles on DEV Community by 长安 李 (@__cafcd527f372348ac50f).</description>
    <link>https://dev.to/__cafcd527f372348ac50f</link>
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      <title>DEV Community: 长安 李</title>
      <link>https://dev.to/__cafcd527f372348ac50f</link>
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    <item>
      <title>CDN acceleration is critical to enjoying sporting spectacle</title>
      <dc:creator>长安 李</dc:creator>
      <pubDate>Tue, 01 Nov 2022 06:27:12 +0000</pubDate>
      <link>https://dev.to/__cafcd527f372348ac50f/cdn-acceleration-is-critical-to-enjoying-sporting-spectacle-1007</link>
      <guid>https://dev.to/__cafcd527f372348ac50f/cdn-acceleration-is-critical-to-enjoying-sporting-spectacle-1007</guid>
      <description>&lt;p&gt;This major event will likely stockpile a massive amount of digital content. The month-long world's top football game, for example, showcased 60+ live matches, generating around 110 hours of match content. That match content, however, generated 230 million hours of watchtime on a popular video platform. &lt;br&gt;
When it comes to digital experiences, speed is revenue for a video platform. Users are highly sensitive to slow experiences, and about 12% of viewers leave when page load times go from 1 second to 3 seconds. Frustrating experiences let revenue walk out of the door.&lt;/p&gt;

&lt;p&gt;Huawei Cloud CDN can help accelerate your services by using Huawei’s edge network to bring your content closer to your users. This can help you save on cloud operations costs, minimize the load on your origin servers, and scale your experiences to a global audience. &lt;/p&gt;

&lt;p&gt;It has over 2,800 nodes across more than 130 countries and regions, 800+ nodes outside the Chinese mainland. High-quality network resources solve the problems of cross-country and cross-network access in globalization, improving the access speed, quality, and security. Over 150 Tbit/s elastic bandwidth reserved to cope with traffic bursts of tens of millions of requests. &lt;/p&gt;

&lt;p&gt;Huawei Cloud CDN uses precise scheduling strategies that deliver 99%+ scheduling accuracy to make sure requests content from optimal node.AI Cache is an innovative content cache strategy built on Huawei Cloud CDN cache architecture. Higher hit ratio with AI learning and access control technologies, to reduce 30%+ retrieval bandwidth.&lt;/p&gt;

&lt;p&gt;The Overlay smart routing technology was developed based on Huawei Cloud's intelligent edge network. With AI prediction, Huawei Cloud CDN discovers the time-varying rule of network links, designs global routes, performs intelligent detection, and selects the best path. &lt;/p&gt;

&lt;p&gt;Huawei Cloud CDN&lt;/p&gt;

&lt;p&gt;In addition, Huawei Cloud CDN can optimize transmission protocols. Huawei Cloud CDN's Net Turbo enables a full spectrum of intelligent collaboration among devices, edge, and cloud on an intelligent acceleration network. Multi- protocol optimization, which supports QUIC, BBR2.0+ Enhancement Algorithm, and Multipath TCP, can reduce latency by 40% and boost site performance.&lt;/p&gt;

&lt;p&gt;Huawei Cloud CDN has ensured the watching experience of many world's top events. At the international event MotoGP Indonesia held in March this year, Huawei Cloud CDN helped to break MotoGP livestreaming records.&lt;/p&gt;

&lt;p&gt;detikNetwork is a digital media company owned by CT Corp subsidiary PT Trans Media Corpora, and is one of the largest digital media conglomerates in Indonesia. The portal is consistently ranked among Indonesia's 10 most-visited websites and is among the top 250 in the world. It receives approximately 180 million visits per day. &lt;/p&gt;

&lt;p&gt;detiknetwork undertakes the exclusive live broadcast of MotoGP, providing the ultimate viewing experience, which is the top motorcycle racing event in the world. How to provide innovative watching experience for global fans is the top issue faced by both CT Corp and MotoGP in the fierce competition of sports events.&lt;/p&gt;

&lt;p&gt;CT Corp deploys Huawei Cloud CDN to accelerate site response and live content loading, improving site availability. A record 700,000 concurrent viewers watched the MotoGP live video. Huawei Cloud CDN easily handles traffic bursts to provide a low-latency, high-reliability sports event experience for zero frame freeze despite low bandwidth and heavy traffic, with zero faults in 18 months since CT Corp adopted Huawei Cloud CDN.&lt;/p&gt;

&lt;p&gt;November is coming. The world is excited. Passionate fans are ready. For many most exciting moments, fast, smooth, reliable and safe content delivery is more important than ever. Huawei Cloud CDN has the 2022 best promotion with offering 90% off on international traffic packages.&lt;br&gt;
Each GB is now as low as 0.72 cents. Find the best deals and discounts on Huawei Cloud CDN activities.&lt;/p&gt;

</description>
    </item>
    <item>
      <title>How to get a free server with EulerOS installed</title>
      <dc:creator>长安 李</dc:creator>
      <pubDate>Thu, 06 Oct 2022 05:16:32 +0000</pubDate>
      <link>https://dev.to/__cafcd527f372348ac50f/how-to-get-a-free-server-with-euleros-installed-3jdo</link>
      <guid>https://dev.to/__cafcd527f372348ac50f/how-to-get-a-free-server-with-euleros-installed-3jdo</guid>
      <description>&lt;p&gt;The following shows you how to find a server that provides such specifications and has been installed with EulerOS.&lt;/p&gt;

&lt;p&gt;1)  Visit the Huawei Cloud's free trial page and register or log in using a new account. Free trial is available only for new users.&lt;br&gt;
2)  Select Elastic Cloud Server and click Try Now to go to the ECS console.&lt;/p&gt;

&lt;p&gt;3)  Select Pay-per-use for Billing Mode. (Free trial is valid only in the pay-per-use mode.)&lt;/p&gt;

&lt;p&gt;4)  Select a region and AZ. (Seven regions are available for free trial: CN-Hong Kong, AP-Bangkok, AP-Singapore, AF-Johannesburg, LA-Santiago, LA-Mexico City1, and LA-Sao Paulo1.)&lt;br&gt;
5)  Retain the default value of CPU Architecture and set Specifications to s3.large.2. If you are eligible for free trial, Free Package is displayed next to s3.large.2.&lt;br&gt;&lt;br&gt;
6)  Set Image to Public image and click Huawei Cloud EulerOS.&lt;/p&gt;

&lt;p&gt;7)  Retain the default values of Host Security, System Disk, and Quantity, and click Next: Configure Network to go to the network configuration page.&lt;/p&gt;

&lt;p&gt;8)  Select a VPC from the Network drop-down list box. Generally, a default VPC is provided. If there is no default VPC or you do not want to use the VPC, you can click Create VPC to create one on the VPC console. For details, see &lt;a href="https://support.huaweicloud.com/intl/en-us/usermanual-vpc/en-us_topic_0013935842.html"&gt;https://support.huaweicloud.com/intl/en-us/usermanual-vpc/en-us_topic_0013935842.html&lt;/a&gt; (documentation) and &lt;a href="https://intl-education-en.huaweicloud.com/courses/course-v1:HuaweiX+CBUENXI003+Self-paced/about?isAuth=0&amp;amp;cfrom=hwc"&gt;https://intl-education-en.huaweicloud.com/courses/course-v1:HuaweiX+CBUENXI003+Self-paced/about?isAuth=0&amp;amp;cfrom=hwc&lt;/a&gt; (video).&lt;/p&gt;

&lt;p&gt;9)  Configure EIP, EIP Type, and Billed By as the following figure. You can retain the default value of Bandwidth Size or change it based on daily visits.&lt;/p&gt;

&lt;p&gt;10) Configure ECS Name, Login Mode, and Password.&lt;/p&gt;

&lt;p&gt;11) Retain the default values of the three parameters in the following figure, and click Next: Confirm.&lt;/p&gt;

&lt;p&gt;12) A free-trial server with 2 vCPUs, 4 GB memory, and unlimited CPU usage and installed with WordPress has been created.&lt;/p&gt;

&lt;p&gt;For details about how to use EulerOS, see the OpenEuler community, see &lt;a href="https://www.openeuler.org/en"&gt;https://www.openeuler.org/en&lt;/a&gt;&lt;br&gt;
Register now and you can receive a free Linux (including EulerOS) cloud server, a free Database, and a free CDN. For more information, see Huawei Cloud's free trial page &lt;a href="https://activity.huaweicloud.com/intl/en-us/free_packages/index.html?utm_source=Forums&amp;amp;utm_medium=Blogs&amp;amp;utm_campaign=ME_brand&amp;amp;utm_content=&amp;amp;utm_term=&amp;amp;utm_adplace="&gt;https://activity.huaweicloud.com/intl/en-us/free_packages/index.html?utm_source=Forums&amp;amp;utm_medium=Blogs&amp;amp;utm_campaign=ME_brand&amp;amp;utm_content=&amp;amp;utm_term=&amp;amp;utm_adplace=&lt;/a&gt;.&lt;/p&gt;

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    </item>
    <item>
      <title>Get a free server with EulerOS installed</title>
      <dc:creator>长安 李</dc:creator>
      <pubDate>Thu, 06 Oct 2022 05:14:33 +0000</pubDate>
      <link>https://dev.to/__cafcd527f372348ac50f/get-a-free-server-with-euleros-installed-254d</link>
      <guid>https://dev.to/__cafcd527f372348ac50f/get-a-free-server-with-euleros-installed-254d</guid>
      <description>&lt;p&gt;The following shows you how to find a server that provides such specifications and has been installed with EulerOS.&lt;/p&gt;

&lt;p&gt;1)  Visit the Huawei Cloud's free trial page and register or log in using a new account. Free trial is available only for new users.&lt;br&gt;
2)  Select Elastic Cloud Server and click Try Now to go to the ECS console.&lt;/p&gt;

&lt;p&gt;3)  Select Pay-per-use for Billing Mode. (Free trial is valid only in the pay-per-use mode.)&lt;/p&gt;

&lt;p&gt;4)  Select a region and AZ. (Seven regions are available for free trial: CN-Hong Kong, AP-Bangkok, AP-Singapore, AF-Johannesburg, LA-Santiago, LA-Mexico City1, and LA-Sao Paulo1.)&lt;br&gt;
5)  Retain the default value of CPU Architecture and set Specifications to s3.large.2. If you are eligible for free trial, Free Package is displayed next to s3.large.2.&lt;br&gt;&lt;br&gt;
6)  Set Image to Public image and click Huawei Cloud EulerOS.&lt;/p&gt;

&lt;p&gt;7)  Retain the default values of Host Security, System Disk, and Quantity, and click Next: Configure Network to go to the network configuration page.&lt;/p&gt;

&lt;p&gt;8)  Select a VPC from the Network drop-down list box. Generally, a default VPC is provided. If there is no default VPC or you do not want to use the VPC, you can click Create VPC to create one on the VPC console. For details, see &lt;a href="https://support.huaweicloud.com/intl/en-us/usermanual-vpc/en-us_topic_0013935842.html"&gt;https://support.huaweicloud.com/intl/en-us/usermanual-vpc/en-us_topic_0013935842.html&lt;/a&gt; (documentation) and &lt;a href="https://intl-education-en.huaweicloud.com/courses/course-v1:HuaweiX+CBUENXI003+Self-paced/about?isAuth=0&amp;amp;cfrom=hwc"&gt;https://intl-education-en.huaweicloud.com/courses/course-v1:HuaweiX+CBUENXI003+Self-paced/about?isAuth=0&amp;amp;cfrom=hwc&lt;/a&gt; (video).&lt;/p&gt;

&lt;p&gt;9)  Configure EIP, EIP Type, and Billed By as the following figure. You can retain the default value of Bandwidth Size or change it based on daily visits.&lt;/p&gt;

&lt;p&gt;10) Configure ECS Name, Login Mode, and Password.&lt;/p&gt;

&lt;p&gt;11) Retain the default values of the three parameters in the following figure, and click Next: Confirm.&lt;/p&gt;

&lt;p&gt;12) A free-trial server with 2 vCPUs, 4 GB memory, and unlimited CPU usage and installed with WordPress has been created.&lt;/p&gt;

&lt;p&gt;For details about how to use EulerOS, see the OpenEuler community, see &lt;a href="https://www.openeuler.org/en"&gt;https://www.openeuler.org/en&lt;/a&gt;&lt;br&gt;
Register now and you can receive a free Linux (including EulerOS) cloud server, a free Database, and a free CDN. For more information, see Huawei Cloud's free trial page.&lt;/p&gt;

</description>
    </item>
    <item>
      <title>What Are the Differences Between HSS and WAF?</title>
      <dc:creator>长安 李</dc:creator>
      <pubDate>Fri, 09 Sep 2022 12:40:44 +0000</pubDate>
      <link>https://dev.to/__cafcd527f372348ac50f/what-are-the-differences-between-hss-and-waf-2kj0</link>
      <guid>https://dev.to/__cafcd527f372348ac50f/what-are-the-differences-between-hss-and-waf-2kj0</guid>
      <description>&lt;p&gt;HSS and Web Application Firewall (WAF) are provided by HUAWEI CLOUD to help you defend hosts, websites, and web applications against risks and threats, improving system security. It is recommended that the services be used together.&lt;br&gt;
LEARN MORE :&lt;a href="https://activity.huaweicloud.com/intl/en-us/promotion/index.html"&gt;https://activity.huaweicloud.com/intl/en-us/promotion/index.html&lt;/a&gt;&lt;/p&gt;

</description>
    </item>
    <item>
      <title>What is Elastic Computing?</title>
      <dc:creator>长安 李</dc:creator>
      <pubDate>Fri, 09 Sep 2022 12:34:23 +0000</pubDate>
      <link>https://dev.to/__cafcd527f372348ac50f/what-is-elastic-computing-52h5</link>
      <guid>https://dev.to/__cafcd527f372348ac50f/what-is-elastic-computing-52h5</guid>
      <description>&lt;p&gt;What is Elastic Computing?&lt;/p&gt;

&lt;p&gt;Elastic computing offers organizations the ability to swiftly expand or shrink IT infrastructure resources dynamically to meet changing demand. This is done automatically, without you having to plan capacity and peak usage ahead of time, meaning that the resources are there when you need them and released when you don’t. Using elastic computing results in huge savings in infrastructure costs, as you do not have to pay for resources that are not being used.&lt;/p&gt;

&lt;p&gt;What Are the Benefits of Using Elastic Cloud Computing?&lt;/p&gt;

&lt;p&gt;Complete flexibility: With on-demand computing resources, exact services and infrastructure are provisioned as they are needed. Resources are automatically provisioned behind the scenes, and organizations no longer have to worry about either over-provisioning or under-provisioning resources. The system remains high performing throughout.&lt;/p&gt;

&lt;p&gt;Cost-effectiveness: Elastic cloud computing helps organizations avoid huge costs and expenses not only from adding extra resources to their data centers, but also from having to establish on-premises data centers in the first place. With the pay-as-you-go model, organizations only pay for the resources that they consume, saving IT costs.&lt;/p&gt;

&lt;p&gt;Facilitates growth: Elastic cloud computing helps your organization adopt a growth-oriented mindset. The elastic cloud makes your IT infrastructure more agile and ready to welcome new users and customers.&lt;/p&gt;

&lt;p&gt;Automation: Another benefit to cloud elasticity is its ability to automate the deployment process. By automating the provisioning and scaling of resources, it reduces the chance of human error and lets you free up time for IT staff to concentrate on your core business functionality.&lt;/p&gt;

&lt;p&gt;Simplified management: With elastic cloud, IT teams no longer need to worry about deploying, maintaining and upgrading individual pieces of infrastructure. They have the option to set notifications for idle or underutilized resources, so that you are always aware of the status of usage.&lt;/p&gt;

&lt;p&gt;Endless storage: With virtually unlimited storage capacity, elastic cloud can accommodate as much data as you need it to — no more, no less.&lt;/p&gt;

&lt;p&gt;Who Should Use Elastic Cloud Computing?&lt;/p&gt;

&lt;p&gt;Elastic cloud services are the right choice for your organization if…&lt;/p&gt;

&lt;p&gt;You only want to pay for the resources that you need and want to ensure that users have continued access to your services even during unexpected spikes in demand, such as during Black Friday sales.&lt;br&gt;
You require high availability and uptime, such as with an on-demand streaming services or e-commerce websites.&lt;br&gt;
You need to scale virtual desktop infrastructure on the cloud for employees working remotely or if you have temporary projects to account for, such as data processing or the rendering of media.&lt;br&gt;
You want to plan ahead for disaster recovery and business continuity. Elastic computing can be used for data backups in situations where companies deal with critical information.&lt;/p&gt;

&lt;p&gt;Huawei Cloud Elastic Cloud Offerings&lt;/p&gt;

&lt;p&gt;Huawei Cloud has a range of cloud offerings that feature elasticity for all different use cases. Choose the one that's right for you.&lt;/p&gt;

&lt;p&gt;Services:&lt;/p&gt;

&lt;p&gt;Computing: Elastic Cloud Server (ECS) provides secure, scalable, on-demand compute resources, enabling you to flexibly deploy applications and workloads.&lt;/p&gt;

&lt;p&gt;Storage: Elastic Volume Service (EVS) provides highly durable block storage for Huawei Cloud servers such as Elastic Cloud Servers and Bare Metal Servers (BMSs). EVS offers 99.9999999% durability and as little as sub-millisecond read/write latency for a broad range of mission-critical applications.&lt;/p&gt;

&lt;p&gt;Networking: Elastic Load Balance (ELB) automatically distributes incoming traffic across multiple servers to balance their workloads, increasing service capabilities and fault tolerance of your applications.&lt;/p&gt;

&lt;p&gt;Networking/Connectivity: Elastic IP (EIP) provides static public IP addresses and scalable bandwidths that enable your cloud resources to communicate with the Internet. You can easily bind an EIP to an ECS, BMS, virtual IP address, NAT gateway, or load balancer, enabling immediate Internet access.&lt;/p&gt;

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