a control function in a router that stops it receiving information from other routers while there is instability in the network
holddown in American English
(ˈhouldˌdaun)
noun
1.
a clamp for holding a metal piece, as a sheet being deep-drawn, to prevent distortion or movement
2.
restraint or limitation short of reduction, esp. on costs
a substantial holddown on military spending
Word origin
[1885–90; n. use of v. phrase hold down]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: classified, lineup, retread, scrum, sensitization