How does the SteelHead monitor path availability in Path Selection?
A.
Path availability is not monitored until traffic is sent over that path. Then the SteelHead uses standard TCP timeouts to monitor path integrity.
B.
The SteelHead uses ICMP ping to monitor path availability.
C.
The SteelHead creates an inner channel on each path and keep-alive packets are used to track availability.
D.
UDP keep-alives are periodically sent across each path. If a SteelHead does not receive two of these within a pre-defined timeout period, the path is declared
Suggested Answer:B🗳️
RiOS 8.5 path selection technology provides the ability to deterministically re-direct select traffic and application flows through alternate WAN routes based on service metrics, such as path availability and priority. Availability is determined by whether the host at the remote end of a path can be reached via endto-end Internet Control Messaging Protocol (ICMP): References: http://www.riverbednews.com/2013/08/path-selection-what-you-need-to-get-started/
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