%0 Journal Article %T Knowledge in Communication Networks %A Pavel Naumov %A Jia Tao %J Computer Science %D 2015 %I arXiv %X The paper investigates epistemic properties of information flow under communication protocols with a given topological structure of the communication network. The main result is a sound and complete logical system that describes all such properties. The system consists of a variation of the multi-agent epistemic logic S5 extended by a new network-specific Gateway axiom. %U http://arxiv.org/abs/1501.03028v2