On 8/22/2010 6:31 AM, Peter Hicks wrote:
Just out of interest - is this for marketing reasons, or technical?
At my ISP it was for security reasons. Our infrastructure was privately addressed to limit exposure to the outside world. In theory, a true MPLS P core is analogous to a pure L2 switching core. There's no reason for anyone to ever know that those hops even exist. In addition, it also helps prevent a confused user from thinking something silly when they see a RFC1918 address in their traceroute. Oh the stories I could tell like the time a guy thought IANA had hijacked our network because "their IPs" appeared in the middle of our network. Classic...
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