May 2014
Intermediate to advanced
352 pages
10h 56m
Polish
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Rozdział 3. Budowanie bloków UDP
Protokół UDP, czyli protokół datagramów użytkownika, został dodany do pakietu protokołów sieci rdzeniowej przez Jona Postela w sierpniu 1980 r., więc sporo czasu po wprowadzeniu TCP/IP, ale w momencie, kiedy specyfikacje TCP oraz IP zostały rozdzielone na dwa odrębne dokumenty RFC. Jak zobaczysz, ten moment ma istotne znaczenie, ponieważ podstawowa cecha UDP oraz to, do czego ten protokół się odwołuje, nie leżą w tym, co zostało za jego pomocą wprowadzone, ale w tym, co zdecydowano się pominąć. UDP jest potocznie określany jako protokół zerowy (ang. null protocol), a dokument RFC 768 opisujący jego działanie, mógłby faktycznie zmieścić się na serwetce.
- Datagram
Samodzielna, niezależna encja danych przenosząca wystarczające ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.