Реферат: Алгоритми маршрутизації в мережах

21. "Standard for Local Area Networks and Metropolitan Area Networks: Overview and Architecture of Network Standards",IEEE Standard 802.1a-1990.

Додаток

#include "defs.h"

#include "pathnames.h"

#ifdef sgi

#include "math.h"

#endif

#include <signal.h>

#include <fcntl.h>

#include <sys/file.h>

pid_t mypid;

naddr myaddr; /* system address */

char myname[MAXHOSTNAMELEN+1];

int supplier; /* supply or broadcast updates */

int supplier_set;

int ipforwarding = 1; /* kernel forwarding on */

int default_gateway; /* 1=advertise default */

int background = 1;

int ridhosts; /* 1=reduce host routes */

int mhome; /* 1=want multi-homed host route */

int advertise_mhome; /* 1=must continue adverising it */

int auth_ok = 1; /* 1=ignore auth if we do not care */

struct timeval epoch; /* when started */

struct timeval clk, prev_clk;

struct timeval now; /* current idea of time */

time_t now_stale;

time_t now_expire;

time_t now_garbage;

struct timeval next_bcast; /* next general broadcast */

struct timeval no_flash = {EPOCH+SUPPLY_INTERVAL}; /* inhibit flash update */