.\" $Cambridge: hermes/doc/talks/2004-02-ukuug/hermes-old-hw.pic,v 1.1 2004/01/25 18:41:35 fanf2 Exp $
.\"
.\" Hardware architecture of old Hermes
.\"
.PS

H1: box "front end" "server"
line dashed right 0.25
H2: box "front end" "server" same
line dashed right 0.25
H3: box "front end" "server" same
line dashed right 0.25
H4: box "front end" "server" same
line dashed right 0.5
A: box "admin" "server" width 0.5

HE1: line from H1.n up 0.25
HE2: line from H2.n up 0.25
HE3: line from H3.n up 0.25
HE4: line from H4.n up 0.25

line from H1.nw + (0,0.25) to H4.ne + (0,0.25)
arrow from 1/2 <HE2.end,HE3.end> up 0.25
"core network" above

HI1: line from H1.s down 0.25
HI2: line from H2.s down 0.25
HI3: line from H3.s down 0.25
HI4: line from H4.s down 0.25

line "" "NFS" from H1.sw - (0,0.25) to H4.se - (0,0.25)

line from 1/2 <HI1.end,HI2.end> down 0.25
FS1: box "Network" "Appliance" width 1.25

line from 1/2 <HI3.end,HI4.end> down 0.25
FS2: box "Network" "Appliance" same

line dashed from A.s down to (A.s,FS2.e)
line "admin" "network" dashed to FS2.e
line dashed from FS2.w to FS1.e

arrow dashed from A.n up 0.5
"ppsw" above

.PE