Exploring both these statistical estimative calculus,
it is implied that the communication path needs to be
completely known to apply them. This means it’s
required the knowledge of the ASNE about every
server, switch, router, repeater, cable line. Between
the origin and destination to calculate it. But, on
further analysis regarding this issue, it is possible to
imagine the emerged difficulty of it, because the
connection is over the Internet. Besides, it’s reminded
that web connections are formed dynamically for each
data packet channeled usually through Dikjistra’s
shortest-path algorithm or some derivation of it. Thus
the availability estimation cannot be utilized.
Particularly since the Transmission Control
Protocol/Internet Protocol (TCP/IP) model, which
computer networks are founded upon, do not
ordinarily transmit any detailed information regarding
what sort of equipment (brand, type) they routed data
through and given the fact that to even implement such
solution would be unfeasible due to costly increase in
throughput (Tanenbaum and Wetherall, 2010).