Presentation

“
"”
##
% &
(
!
#
'
'
#
'
#$ #
'
(
* $+
##
% &
#
'
##
. &
&
”
'
#$ #,
“. $$
'
#
,'
##
#
#
#
”
$$ “)
*
”
*-
$
+*
#$ # $$- * “
#
$
$
+
#$ # + &
$
&
/
,
+
$
This is the
new part.
+*
…
…
*
*
/
–/
*’ 0
$
+
'
*
$
1 21 *
–(
3
–0
$
1
3
–
4
$
3
4 $
$
4
/
–/*
*
$
1 21 5
–
–/
– 6 $$
– “.
%
*
$
*
'
7
3
*
'
”
4
.
+
–. 8
*
–
'
3
– /
–
+
4
*
$
2 ,
3 $
*
*
, 4
'
The data
center is
too hot!
Let’s all
reduce
power
Let’s turn on the
sprinklers (need to
backup first)
8
– +
– +
– &
$ ,
9
, *
– +
$
$
8
!
–
!
$
3
*
./4
,
,
– “/
–
–:
”
*
3
4
+
'+
*
– ;
–
–
/
$
*
–
–
–
$
, *
* “
3
”
* 4
7
+
:
*
+
’
+
<
(
0
&*
:
’
+
# *
,
*'
*
…
7
$
*
*
7
'
*
,
9
=
$ *
*
7
*
–
,
*
$$
9
*
3
4
,
*
(
"
L
3
*
8
$
:
7
4
'
*
'
,
'
'…
/
*
* 0*
*
$
*
r
t et.al, on senso
a
iw
w
n
o
g
a
n
ta
C. In
networks:
irected
d
f
o
e
r
tu
a
fe
t
n
“An importa
rmined
te
e
d
e
r
a
…
t
a
diffusion is th
ractions...”
te
in
d
e
z
li
a
c
lo
by
N. Harvey
e
orage:
t
s
l
a
b
n glo
Store,
et.al, o
an
as Oce nce…
rta
as
o
p
m
e
m
t
i
s
y
e
“In a s is of extrem
y
localit
towicz
a
i
b
u
large
John K
“The basic t.al, on scalable DHTs:
phi
is to enabl losophy of SkipNet
e systems
to
useful con
tent and pa preserve
th locality
…”
*!
,
– 6 3> 4
–
–6 $
7 ?
* '> @ @ A B
5
'>@@2B
?
*
8
,
–( 9
,
$
To be continued…
1
* <
0 ,
*
*
*
–
$$
1
$
$
–
“,
$
8
”
Fortunately, they don’t happen too often
*
*
“
”
*
– :
–
8
9
,
,
$$
*
–
*
$
3
4
,
,
<
$
*
“+
,
,
–
'…
'
,
– C
,
$
•
– ( $
$
–
$
$
'
,
*
”
* 1
<
*
9
$
7
,
*
.,
–
–
$ “
$
*
7
,
”
$ “
, *
”'
/
:
$
$
*
%
,
'
,
$
/
"
$
,
*
*
ï,
(
* + $
,
–6 $
*
8
,
–( 9
,
$
*
:
*
–
$
– <
–
/ ?.
?
'1
?
@D'
'1
'
'
@EB
$ FDB
FGB
.
* ,
–
9
7 3
–
– ?
'
9
4
'
$$'
FA'
$
'&
'
$'
7
FGB
“1
”6
* /
$
:
,
–
!
3 *
–
–
"
,
$3 "
'$
$ $
,
*
'
7
$3 4
7
!
*
#$
#$
*
’F H B
8 * ?&
$
– 1
I
I
– :
1
* $
$
$
$
$
1
'
&
3 4
<
$
*
<
34
&
3 4
A lower bound on a single instance is meaningless!
/
/
/
$
– 1
– 1
&
$
# %
8
“,
*
&
$ *
#
”
7
1
1
*
– 0
–
“
*
$
”