Compare OSPF and EIGRP

Issue	EIGRP	OSPF
Ease of Implementation	Easy, but remember “no auto-summary”	Complicated
Support of IPX and AppleTalk	Yes	No
Standards-based	Cisco Proprietary	IETF Open Standard
Hierarchical Design	No – summary statements on interfaces	Yes – hierarchy is part of the design
VLSM Support	Yes	Yes
Protocol Type	Enhanced Distance Vector	Link State
Routing Metrics	Combination of bandwidth, delay, reliability, load, and MTU	Link Bandwidth/10^8
CPU Requirements	Lower CPU and memory requirements	Higher CPU and memory requirements
Maturity	Since 1986	Since 1986
Stability	Excellent	Excellent