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voluntas

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TURN の DTLS 機能について

TURN と WebRTC 端末が hop-by-hop で接続する部分に DTLS が利用されます。 TURN-DTLS と呼ばれます。

RFC 7350 - Datagram Transport Layer Security (DTLS) as Transport for Session Traversal Utilities for NAT (STUN)

DataChannel を例に取ると SCTP over DTLS over TURN over DTLS over UDP というミルフィーユになります。

ちなみに TURN-TLS は SCTP over DTLS over TURN over TLS over TCP となります。

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Playwright CLI Flags Tutorial

5 Playwright CLI Flags That Will Transform Your Testing Workflow

  • 0:56 --last-failed: Zero in on just the tests that failed in your previous run
  • 2:34 --only-changed: Test only the spec files you've modified in git
  • 4:27 --repeat-each: Run tests multiple times to catch flaky behavior before it reaches production
  • 5:15 --forbid-only: Prevent accidental test.only commits from breaking your CI pipeline
  • 5:51 --ui --headed --workers 1: Debug visually with browser windows and sequential test execution

Learn how these powerful command-line options can save you time, strengthen your test suite, and streamline your Playwright testing experience. Click on any timestamp above to jump directly to that section in the tutorial!

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