[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-09-04。"],[[["\u003cp\u003eDatastream requires connectivity to the source database to stream data, and it supports three networking methods: IP allowlist, forward SSH tunnel, and VPC peering.\u003c/p\u003e\n"],["\u003cp\u003eIP allowlists involve configuring the source database server to permit connections from Datastream's external IP addresses, offering ease of setup but with potential security and management concerns.\u003c/p\u003e\n"],["\u003cp\u003eForward SSH tunnels establish a secure, encrypted connection between Datastream and the source database through a designated host, offering security at the cost of potential bandwidth limitations and server maintenance.\u003c/p\u003e\n"],["\u003cp\u003eVPC peering creates a secure, private channel for Datastream to communicate with the data source over a private network, requiring a private network connection and enabling internal IP address usage.\u003c/p\u003e\n"],["\u003cp\u003eSetting up a tunnel involves choosing a host, creating an IP allowlist, providing tunnel details, and generating keys for authentication.\u003c/p\u003e\n"]]],[],null,["# Network connectivity methods\n\nTo use Datastream to create a stream from the source database to the\ndestination, you must establish connectivity to the source database. Use the\ninformation in the following table to help you decide which method works best\nfor you for your specific workload.\n\nWhat's next\n-----------\n\n- Learn more about [IP allowlists](/datastream/docs/ip-allowlists).\n- Learn more about [Forward SSH tunnel](/datastream/docs/ssh-tunnel).\n- Learn more about [Private Service Connect interfaces](/datastream/docs/psc-interfaces).\n- Learn more about [VPC peering](/datastream/docs/vpc-peering)."]]