forked from docs/doc-exports
Lu, Huayi
95132e24fc
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
22 lines
3.3 KiB
HTML
22 lines
3.3 KiB
HTML
<a name="EN-US_TOPIC_0000001381728553"></a><a name="EN-US_TOPIC_0000001381728553"></a>
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<h1 class="topictitle1">Regions and AZs</h1>
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<div id="body0000001381728553"><div class="section" id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_s512265c6a45b4d11944c7a9bf0996391"><h4 class="sectiontitle">Concepts</h4><p id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_p212716216381">A region and availability zone (AZ) identify the location of a data center. You can create resources in regions and AZs.</p>
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<ul id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_ul86578533460"><li id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_l2a14cff10ef94a5da410f16966f2e980">A region is a physical data center location. Each region is completely isolated to ensure high fault tolerance and stability. After creating resources in a region, you cannot change the region.</li><li id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_li45875020473">An AZ is a physical location with independent power supplies and network in a region. A region contains one or more AZs that are physically isolated but interconnected through high-speed internal connections. Faults that occur in one AZ will not affect other AZs. The inter-AZ connections are low-latency and unexpensive.</li></ul>
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<div class="section" id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_s6332c275c47248fb88db9e7c0dbef4be"><h4 class="sectiontitle">Selecting a Region</h4><p id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_a4b632372fa7f435ca724700af9edb5ca">You are advised to select a region close to you or your target users. This reduces network latency and improves speed.</p>
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<div class="section" id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_sd2dcf9d3ce0340d5a77f9d3ef0feb427"><h4 class="sectiontitle">How Do I Select an AZ?</h4><p id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_p859161416717">Consider your requirements for DR and network latency when selecting an AZ:</p>
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<ul id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_u5f61b35092284ae0b5a35c617f391cf5"><li id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_l6aec934b362b495d883706e4ed10e1c7">Deploy resources in different AZs in the same region to improve DR.</li><li id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_l754bab0d66194490b0d2b75867ec015c">For an application that requires an extremely low latency, deploy all its resources in the same AZ.</li></ul>
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<div class="section" id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_sdff4c3dfd3844297a35be177913eaf2d"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_p361784821111">When you use resources with API calls, you must specify the regional endpoint. For details about public cloud regions and endpoints, see "Regions and Endpoints".</p>
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<p id="EN-US_TOPIC_0000001381728553__en-us_topic_0000001098816682_en-us_topic_0187271003_p8060118"></p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_03_0001.html">General Problems</a></div>
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