Hoofdstuk 17. Operating systems uit de praktijk

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1 Hoofdstuk 17 Operating systems uit de praktijk 1

2 OS/2 process OS/2 subsystem posix process posix subsystem Win32 process U S E R I/O manager object manager security manager process manager kernel local procedure call (LPC) hardware abstraction layer (HAL) virtual memory manager window manager graphic device drivers K E R N E L Figuur 17.1 Windows NT

3 Priority level Running Ready to run High Thread Thread Thread Thread Thread Normal Low Figuur 17.2 Thread scheduling bij NT

4 NT-WORKSTATIONS Figuur 17.3 Peer-to-peer netwerk

5 NT-SERVERS NT-WORKSTATIONS BDC PDC MEMBER-SERVER Figuur 17.4 NT-domain configuratie

6 AAA.com abc.aaa.com defgh.aaa.com ij.aaa.com yxz.ij.aaa.com uvw.ij.aaa.com Figuur 17.5 Tree van domains

7 AAA.com BBB.com abc.aaa.com Figuur 17.6 Forest van domains

8 BBB.com Figuur 17.7 OU s binnen een domain

9 X-applicatie X-toolkit Xt intrinsics X C L I E N T Xlib X-protocol network (TCP/IP) X-protocol X-server hardware interface layer X S E R V E R Figuur 17.8 De lagen in het X-Window-systeem (X-Windows)

10 X-Applications Applications X-window system process management memory management filesystems device control networking Hardware dependent code memory manager filesystem types character devices network subsystem block devices character dev. drivers network drivers Hardware Figuur 17.9 Linux

11 Linux-applicaties Linux-kernel IRQ patch RT task RT task RT task Realtime microkernel Figuur Realtime Linux-systeemopbouw

12 Client System using server at :80 eth eth eth0: eth Active Node http on port 80 Inactive Node monitoring :80 Figuur Componenten van een fos

13 INTERNET eth0 Virtual Server IP Public Network eth0 Primary Router Node Backup Router Node LVS Routers eth1 Private Network eth1 eth0 eth0 eth0 http / ftp node #1 http / ftp node #2 http / ftp node #n Figuur Opbouw van een lvs

14 Process A Process B Process C IPC Network interface Interrupt redirector Scheduler Hardware interrupts Figuur QNX overzicht

15 Process Manager Filesystem Manager Microkernel Device Manager Network Manager Figuur QNX managers

16 Real-Time Embedded Application Graphics Multiprocessing Support Internet Support Java Support POSIX Library File Systems WindNet Networking Core OS Microkernel Figuur VxWorks overzicht

17 C source C compiler machinecode Compileren Uitvoeren Operating system Hardware Figuur Van sourcecode naar machinecode in C

18 Java source Java compiler byte code Compileren Interpreteren JVM Operating system Hardware Figuur De positie van de Java Virtuele Machine

19 discover UDDI Registry WSDL WSDL WSDL publish Webservice client Webservice implement Application Webservice client SOAP client API invoke HTTP server Webservice implement Webservice client SOAP server Webservice implement Consumer Producer Figuur Basiscomponenten van webservices

20 XML Web Services ASP.NET Web Forms Data and XML Classes Base Framework Classes Common Language Runtime Windows Forms Figuur NET framework

17 Operating systems uit de praktijk

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