Enable TCP_NODELAY for SSH client/server
Both NETCONF northbound (SshProxyServer) and southbound
(AsyncSshHandler) plugins exhibit latencies caused by Nagle's algorithm.
These are superfluous, as we typically work in request-response manner,
with reasonable level of buffering going on in the intermediate layers.
Set TCP_NODELAY flag to get rid of these artifacts.
JIRA: NETCONF-776
Change-Id: I68a87cc2bef4f0032e104833b8d241f5b1f7566b
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit
726ee92c6052437074062ffe790743eab58de2af)