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January 16th, 2003, 03:16 PM
#1
Load balancing(sharing knowledge!)
guys,
I'm looking for info & peronnal feedback about load balancing.
I have a double connection to ISP and I'd like to optimize my flows & throughput.
thanx,
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here follows my poor knowlegde on the subject, I'll be happy if some of you guys can complete it:
- EIGRP:
problem 1- the ISP shall support the protocol and allow EIGRP for interconnecting its customer
problem2 - EIGRP is a proprietary CISCO protocol. So the use of linux or other manufactor routers are impossible
- OSPF: often OSPF implementations allow a very poor level of load balancing. with 2 options:
Option 1: one packet through link#1, one packet through link#2, one packet through link#1, ....
Flow are submitted to potential huge gigue & that could conduct to a very bad throughput for TCP flows (slow start, ...)
Option 2: Flow to destination IP net A through link#1, Flow to destination IP net B through link#2, Flow to destination IP net C through link#3, ...
The algorythm do not depend of required bandwidths per flow, si link#1 could be overloaded and link#2 not (e.g. 10% loaded)
- MPLS: ISP restricts their MPLS perimeter to routers they own, otherwise their is a security risk to their management VPN/VRF
[shadow] SHARING KNOWLEDGE[/shadow]
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