Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Java Sockets ====== One thread per connection? Synchrone I/O, Single connection per thread Problems: * Synchronisation * Limited Scaling Asynchrone I/O, Single thread per server * I/O Event based * CPU limitiert ===== Java NIO ===== * Server wird benachrichtigt, wenn ein I/O Event verarbeitet werden kann * Zustand der Kommunikation zum Client muss gespeichert sein * Pools von threads die verschiedene Ebenen behandeln * Mehrere back-end Kommunikationsthreads * Worker-Threads * DB-Threads Nach http://rox-xmlrpc.sourceforge.net/niotut/ Single selecting Thread verwenden: Input/Output in selecting Thread behandeln, Writes queuen, Channels lesen und Daten in Worker thread lesen. NIO vs. IO (asynchronous vs. synchronous) programming_languages/java/sockets.txt Last modified: 2017/02/19 14:46by phreazer