computer networking A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections ar ...

, per-hop behaviour (PHB) is a term used in differentiated services (DiffServ) or

multiprotocol label switching Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. Whereas network addresses identify endpoints the labels identi ...

(MPLS). It defines the policy and priority applied to a packet when traversing a hop (such as a router) in a DiffServ network.

See also