Aiming at the problem of service discovery in unstructured P2P network. a trustworthy service discovery me-thod based on a modified ant colony algorithm was prop sed. Some novel policies were introduced to control the beha-vior of the ant colony. such as the dynamic ant colony policy. https://www.jmannino.com/best-catch-Sophie-Allport-Bee-Blackout-Ready-Made-Eyelet-Curtains-Duck-Egg-special-save/