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... routing is
found, such as on inter-ISP links. However, like Loose RPF, since it
sacrifices directionality, it loses the ability to limit an edge ...
... arrangements also apply to the ISP's upstream and peering links, if
ingress filtering is being used there -- or will get used, at some
...
... Ingress Filtering on Peering Links ...
...
Ingress filtering on peering links, whether by ISPs or by end-sites,
is not really that much different from the more typical "downstream ...
... upstream/downstream
and peering links, the different links may have different properties
(e.g., relating to contracts, trust ...
... downstream
and peering links, the different links may have different properties
(e.g., relating to contracts, trust, viability of the ingress
filtering ...
... out source addresses coming from an upstream link which should have
come over a peering link (implying something like Strict RPF ...
... upstream link which should have
come over a peering link (implying something like Strict RPF is used
towards the upstream ...
... Presence (POPs), so that if one POP or line experiences an outage,
another link to the same ISP can be used. Alternatively, a set of
tunnels ...