cnp3-ebook/protocols/tcp — English @ Weblate

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193 ../../protocols/tcp.rst:646

	English This TCP segment is then placed in an IP header. We describe IPv6 in the next chapter. The minimum size of the IPv6 (resp. IPv4) header is 40 bytes (resp. 20 bytes). 165/10000 · 165
194 ../../protocols/tcp.rst:649

	English A precise estimation of the maximum bandwidth that can be achieved by a TCP connection should take into account the overhead of the TCP and IP headers as well. 159/10000 · 159
195 ../../protocols/tcp.rst:651

	English See http://fasterdata.es.net/tuning.html for more information on how to tune a TCP implementation 97/10000 · 97
196 ../../protocols/tcp.rst:653

	English In theory, a TCP implementation could store the timestamp of each data segment transmitted and compute a new estimate for the round-trip-time upon reception of the corresponding acknowledgment. However, using such frequent measurements introduces a lot of noise in practice and many implementations still measure the round-trip-time once per round-trip-time by recording the transmission time of one segment at a time :rfc:`2988` 429/10000 · 429
197 ../../protocols/tcp.rst:655

	English Some security experts have raised concerns that using the real-time clock to set the `TSval` in the timestamp option can leak information such as the system's up-time. Solutions proposed to solve this problem may be found in [CNPI09]_ 234/10000 · 234
198 ../../protocols/tcp.rst:657

	English As a TCP client often establishes several parallel or successive connections with the same server, :rfc:`2140` has proposed to reuse for a new connection some information that was collected in the TCB of a previous connection, such as the measured rtt. However, this solution has not been widely implemented. 308/10000 · 308
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