V10/vol2/auth/fig6.pic

.nf
.PS
scale=100
define t167 |
[ box invis ht 32 wid 48 with .sw at 0,0
"\fR\s10\&Redial\f1\s0" at 24,24
"\fR\s10\&point\f1\s0" at 24,8
] |

define m0 |
[ box invis ht 64 wid 80 with .sw at 0,0
"\fR\s10\&coma\f1\s0" at 40,30
ellipse ht 64 wid 80 at 40,32
] |

box invis ht 312 wid 552 with .sw at 0,0
line -> from 48,88 to 128,40 dashed
"\fR\s10\&west\f1\s0" at 512,118
ellipse ht 64 wid 80 at 512,120
line  from 296,128 to 352,64 
line  from 200,64 to 256,128 
line  from 40,88 to 128,32 
line  from 200,32 to 352,32 
"\fR\s10\&node 1\f1\s0" at 164,10
"\fR\s10\&node 3\f1\s0" at 388,10
"\fR\s10\&node 2\f1\s0" at 276,138
"\fR\s10\&3. connect to west\f1\s0" at 412,82
line  from 424,32 to 512,88 
m0 with .nw at 0,152
box ht 64 wid 72 with .nw at 352,64 
box ht 64 wid 72 with .nw at 240,192 
box ht 64 wid 72 with .nw at 128,64 
line  from 276,192 to 276,248 
"\fR\s10\&security\f1\s0" at 276,278
ellipse ht 64 wid 80 at 276,280
line -> from 424,40 to 496,88 dashed
line -> from 352,24 to 424,40 dashed
line -> from 200,24 to 352,24 dashed
line -> from 128,40 to 200,24 dashed
"\fR\s10\&2. redial to west\f1\s0" at 352,226
line -> from 264,128 to 200,56 dotted
line -> from 288,248 to 288,192 dotted
"\fR\s10\&1. connect to security\f1\s0" at 184,226
t167 with .nw at 140,94
line -> from 128,40 to 192,64 dashed
line -> from 264,192 to 264,248 dashed
line -> from 192,64 to 248,128 dashed
.PE
.fi