ECMP Insights | Sumble

What is ECMP?

Equal-cost multi-path (ECMP) routing is a routing strategy for forwarding packets over multiple best paths. These paths are considered 'equal cost' because the routing protocol has assigned them the same metric value. ECMP is used to increase network bandwidth and reliability by distributing traffic across multiple paths, and it can also improve network resilience by providing alternate paths in case of link failure.

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What other technologies are related to ECMP?

ECMP Competitor Technologies

STP

STP (Spanning Tree Protocol) prevents loops in a network by blocking redundant paths. ECMP relies on multiple paths, so STP actively works against ECMP's purpose.

mentioned alongside ECMP in 1% (153) of relevant job posts

RSTP

RSTP (Rapid Spanning Tree Protocol) is an improvement over STP but still blocks redundant paths, making it a competitor to ECMP.

mentioned alongside ECMP in 2% (62) of relevant job posts

ECMP Complementary Technologies

Ethernet link aggregation

Link aggregation increases bandwidth between two switches or devices. It can be used in conjunction with ECMP for traffic distribution across aggregated links, creating more paths.

mentioned alongside ECMP in 100% (55) of relevant job posts

ip route

A Linux command-line utility for managing the routing table. ECMP is a type of routing, and `ip route` is used to view and configure it, thus they are complementary.

mentioned alongside ECMP in 69% (57) of relevant job posts

IP forwarding

IP forwarding is the basic function of routing IP packets. ECMP relies on IP forwarding to send packets along different paths to the same destination.

mentioned alongside ECMP in 63% (59) of relevant job posts