…

App

Midware

App

Midware

App

Midware …

time consumederror probability

app complexity(# tiers, nodes per tier)

…

App

Midware

App

Midware

App

Midware …

VSC1

VS1 VS2

›

›

› → › →

› ›

› › ›

› › ›

› ›

›

1.35GB

0.88GB0.87GB

1.33GB

1.65GB

• • •

10.95.191.0/25

172.16.1.0/24

172.16.2.0/24

172.16.3.0/24

.127

.1.1

.1.1

net0

net1

net2

net3

rubis

network_config

load_balancer

LB1interfaces haproxy.cfg

network_config

load_balancer

LB2interfaces haproxy.cfg

network_config

load_balancer

LB3interfaces haproxy.cfg

interfacesworkers.properties

network_config

interfacesmysql.properties

network_config

interfacesconfig.ini

network_config

interfacesmy.cfg

network_config

ip_lb2

FE

BE

DBM

DB

ip_lb3

ip_db1ip_db2ip_dbm

ip_dbm

user configurable

• •

/etc/init.d/runOvfAe

Script in /etc/rc.S

ConfigFileCustomizer

›