The MPLS-OPS Archive

["Lars Higham" <lhigham@yahoo.com>]

Alok, see below:

Regards,
Lars Higham


-----Original Message-----
From: alok [mailto:alok.dube@apara.com] 
Sent: Thursday, May 15, 2003 10:35 PM
To: mpls-ops@mplsrc.com
Subject: [MPLS-OPS]: OSPF and RIP


Hi,

what distinguishes OSPF from RIP in terms of a IGP in an MPLS network?
OSPF is more resource intensive
OSPF has faster convergence
RIP is generally easier to configure and troubleshoot - lower complexity
RIP v1 doesn't support VLSM; RIP v2 and OSPF do 
TTBOMK, RIP doesn't support traffic-engineering as do OSPF and ISIS

are protocols in UDP not route-able?
Eh?

or are protocols in IP not  routeable?
Eh?

if both are, why do we have to consider BGP into OSPF distribution?
Depends on the design and requirements of the network; ISPs generally
don't distribute BGP routes into the IGP whereas an enterprise using BGP
as the global core might (again, depending on the network design) gain
more accurate routing from doing so.

why not L3VPN running OSPF or RIP?
Where?  PE-CE?  You can -

very *grey* question, but would appreciate if someone could clarify.

-rgds
Alok


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