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Reviewed-by: Székely, Ond <ond.szekely@t-systems.com> Co-authored-by: wangdengke2 <wangdengke2@huawei.com> Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
47 lines
3.9 KiB
HTML
47 lines
3.9 KiB
HTML
<a name="quick_start"></a><a name="quick_start"></a>
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<h1 class="topictitle1">Connecting to a DB Instance</h1>
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<div id="body1576663241759"><p id="quick_start__p146911530201417">You can connect a DB instance over a private or public network.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="quick_start__table34881931174318" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Connection methods</caption><thead align="left"><tr id="quick_start__row248916316436"><th align="left" class="cellrowborder" valign="top" width="11.68%" id="mcps1.3.2.2.5.1.1"><p id="quick_start__p94898312434">Connect Through</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="13.44%" id="mcps1.3.2.2.5.1.2"><p id="quick_start__p10489131104311">Connection Address</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="47.29%" id="mcps1.3.2.2.5.1.3"><p id="quick_start__p5489103154315">Scenarios</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="27.589999999999996%" id="mcps1.3.2.2.5.1.4"><p id="quick_start__p98541156195517">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="quick_start__row248973134318"><td class="cellrowborder" valign="top" width="11.68%" headers="mcps1.3.2.2.5.1.1 "><p id="quick_start__p48571255124517">Private network</p>
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</td>
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<td class="cellrowborder" valign="top" width="13.44%" headers="mcps1.3.2.2.5.1.2 "><p id="quick_start__p15489153115438">Private IP address</p>
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</td>
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<td class="cellrowborder" valign="top" width="47.29%" headers="mcps1.3.2.2.5.1.3 "><p id="quick_start__p7735048144619">The system provides a private IP address by default. </p>
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<p id="quick_start__p273517483465">When your applications are deployed on an ECS that is in the same region and VPC as the DB instance, you are advised to connect to the DB instance through the ECS over a private IP address.</p>
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</td>
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<td class="cellrowborder" valign="top" width="27.589999999999996%" headers="mcps1.3.2.2.5.1.4 "><ul id="quick_start__ul589414895513"><li id="quick_start__li20894386559">Secure and excellent performance</li><li id="quick_start__li889558165516">Recommended</li></ul>
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</td>
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</tr>
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<tr id="quick_start__row871255113459"><td class="cellrowborder" valign="top" width="11.68%" headers="mcps1.3.2.2.5.1.1 "><p id="quick_start__p55021336184516">Public network</p>
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</td>
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<td class="cellrowborder" valign="top" width="13.44%" headers="mcps1.3.2.2.5.1.2 "><p id="quick_start__p3714351114515">EIP</p>
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</td>
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<td class="cellrowborder" valign="top" width="47.29%" headers="mcps1.3.2.2.5.1.3 "><p id="quick_start__p209631558165410">If you cannot access a DB instance over a private IP address, bind an EIP to the DB instance and connect it to an ECS (or a public network host) over the EIP.</p>
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</td>
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<td class="cellrowborder" valign="top" width="27.589999999999996%" headers="mcps1.3.2.2.5.1.4 "><ul id="quick_start__ul58856110012"><li id="quick_start__li15886121406">A relatively Low lower level of security compared to the other two connection modes.</li><li id="quick_start__li9886319016">To achieve a higher data transmission rate and security level, you are advised to migrate your applications to an ECS that is in the same VPC as your DB instance and use a private IP address to access the DB instance.</li></ul>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="note" id="quick_start__note1953500185719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="quick_start__ul1055155143910"><li id="quick_start__li1557558399">VPC: indicates the Virtual Private Cloud.</li><li id="quick_start__li827532114010">ECS: indicates the Elastic Cloud Server.</li><li id="quick_start__li29741549114115">If the ECS is in the same VPC as the DB instance, you do not need to apply for an EIP.</li></ul>
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</div></div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="gaussdb_02_0000.html">Getting Started</a></div>
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</div>
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</div>
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