howto/mpls.md
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-mpls label switching is faster because it's a divide and conquer search in an ordered list, compared to routing, which is a longest prefix match search
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+mpls label switching is faster because it's a divide and conquer search in an ordered list, compared to routing, which is a longest prefix match, which is a search in a netmask deep tree
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and doing just label switching, especially with multiple labels, have consequences like
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