Walrus in Action

.

.

.

}

}

}

}

Cluster 1

Cluster 2

Cluster 3

Cluster n

Name Server

for Area 1

Controller 1

Name Server

for Area 2

Controller 2

Name Server

for Area 3

Controller 3

Name Server

for Area n

Functioning Web Server (with Reporter)

Web Server over threshold

Non-functioning Web Server

Non-functioning

Controller

Master

Controller

Backup

Controller

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