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<p>TCP and UDP are the only widely used transport protocols on the Internet. To avoid <a href="page.php?w=middlebox">middlebox</a> intolerance, new transport protocols may mimic the <a href="page.php?w=wire_image_%28networking%29">wire image</a> of a tolerated protocol, or <a href="page.php?w=encapsulation_%28networking%29">be encapsulated</a> in UDP, accepting some overhead (e.g., due to outer checksums made redundant by inner integrity checks). <a href="page.php?w=QUIC">QUIC</a> takes the latter approach, rebuilding reliable stream transport on</p><p>
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