May 2014
Intermediate to advanced
352 pages
10h 56m
Polish
Content preview from Wydajne aplikacje internetowe. PrzewodnikBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Rozdział 17. WebSocket
Protokół WebSocket umożliwia dwukierunkowe strumieniowanie danych tekstowych i binarnych w formie komunikatów. Jego interfejs jest najbardziej zbliżony do podstawowego gniazda komunikacyjnego w przeglądarce. Ponadto połączenie WebSocket jest czymś znacznie więcej niż gniazdem komunikacyjnym, ponieważ przeglądarka ukrywa za pomocą prostego interfejsu API przed aplikacją wszystkie skomplikowane szczegóły i oferuje kilka dodatkowych usług:
negocjację połączenia i egzekwowanie zasady tego samego źródła,
kompatybilność z istniejącą infrastrukturą HTTP,
komunikację w formie komunikatów i wydajne ramkowanie,
negocjację subprotokołów i rozszerzenia.
Protokół WebSocket jest najbardziej wszechstronnym i elastycznym protokołem transportowym ...
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