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Using a More Expensive Cache<br />

OpenFlow tables<br />

Cache (k c<br />

hash lookups)<br />

Table 0 Table 1<br />

Table 24<br />

packet<br />

Flow 1<br />

Flow 1<br />

Flow 1<br />

ingress ...<br />

Flow 2<br />

Flow 2<br />

Flow 2<br />

...<br />

...<br />

...<br />

packet<br />

egress<br />

Physical to<br />

Logical<br />

L2<br />

Lookup<br />

...<br />

Logical to<br />

Physical<br />

k 0 hash<br />

lookups<br />

k 1<br />

hash<br />

lookups<br />

...<br />

k 24<br />

hash<br />

lookups<br />

If k c<br />

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