EIGRP vs OSPF

Difference between EIGRP and OSPF:

EIGRP	OSPF
Advanced Distance Vector Routing protocol	Link State Routing protocol
Open standard(informational). EIGRP was converted to open standard in 2013.	Open standard of IETF, supported by most vendors.
Fast sub-second convergence	Slower convergence than EIGRP
Ease of configuration	Complicated
Less scalable	More scalable
Does not support TE (Traffic Engineering)	Support OSPF-TE
Can not build a hierarchical network	Can build a hierarchical and scalable network.
Uses DUAL (Diffused Update Algorithm) for best path calculation	Uses Dijkstra’s algorithm
Summarization can be performed on any Router in EIGRP domain (infact per interface)	Summarization only possible on ABR and ASBR
Improved Memory and CPU utilization	High memory and CPU utilization compared to EIGRP
Intelligent bandwidth control like available Bandwidth is considered while determining rate of transmitting updates.	Not available
EIGRP considers multiple parameters like Bandwidth, delay reliability and load while calculation optimal route. This complex calculation criteria is helpful in scenarios like wireless and multiple WAN path.	Only bandwidth considered while calculating optimal path.
Supports IPX and Appletalk	Does not support IPX and Appletalk

Related – OSPF vs ISIS