Combined: server-initiated (across), browser-directed (down) resolution
URIa
server
a1
URIb
URIn
server n1
page
(redirect)
web
browser
URIb
server b1
URIc
.
.
.
.
.
.
server
a2
. . .
server
ai
server
n2
. . .
server
nz
server
b2
. . .
server
bj
id-a1
id-b1
id-b2
id-a2
id-c1
id-c2
id-b1
id-b2
id-n2
id-n1
.
.
.
.
.
.
• In full generality, both dimensions are
fleshed out
User
• Real URI resolution has elements of both