North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: disconnected autonomous systems
> > inherently wrong with using a single AS in multiple locations, and > > advertising discrete blocks of address space in each one. The best reason > > to do this is for a network that you eventually plan to merge - it > > eliminates issues of having to make major BGP configuration changes. > > Nothing inherently wrong with it if you're paying for transit, but good > luck getting peering in multiple locations without presenting consistent > views. No problem at all. Use a tunnel. Going back to the original question: (A) Is there a reason have disconnected ASs? Sure. Does it make more sense than using multiple AS numbers? No. (B) Is there a reason to deaggregate? Absolutely. The biggest being rather bad internal allocations practiced by networks. Alex --
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