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Equal-cost multi-path routing
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<p>Equal-cost multi-path routing (ECMP) is a <a href="/facts/Routing/Ml6MVCaC">routing</a> strategy where <a href="/facts/Packet_forwarding/hy9AkUfz">packet forwarding</a> to a single destination can occur over multiple best paths with equal routing priority. Multi-path routing can be used in conjunction with most routing protocols because it is a per-hop local decision made independently at each router. It can substantially increase bandwidth by <a href="/facts/Load_balancing_(computing)/jddk6ang">load-balancing</a> traffic over multiple paths; however, there may be significant problems in deploying it in practice. </p>