Unified Packet Flow Speculation for Faster SDN Connection Setup

The patent applies preliminary action by generating a speculative reverse direction unified flow in advance, before the reverse direction data packet actually arrives. This allows the system to pre-compute and prepare processing rules for the reverse flow based on the main direction flow characteristics, thereby reducing the connection setup time when the reverse packet arrives without significantly increasing processing complexity.

The patent applies partial action by generating only the necessary speculative reverse direction unified flow based on the main direction flow characteristics, rather than processing all possible flows. This selective approach enables increased connection frequency and volume while controlling computational cost by focusing resources only on the relevant speculative flows that are likely to occur.

The patent applies universality by creating a unified flow structure that serves multiple purposes: the main direction unified flow processes forward traffic, while the speculative reverse direction unified flow handles reverse traffic. This multi-functional approach allows a single processing framework to handle both directions, increasing connection volume without proportionally increasing hardware resources.