Why the RIS?
Many tools that debug Internet connectivity,
e.g. Ping, TraceRoute, Protocol Analyzers,
Router debug commands e.t.c.
Major drawback – No ‘history’. Only works with
the current status and configuration
Another drawback – No perspective ‘mobility’
(exception: Looking Glasses, however, not all
are available to the public and they only
provide information about the AS where it’s
installed)