buffer zone

The buffer zone would protect civilians, Syrian rebels, and Kurds against ISIS assaults.

Levin is calling for a Turkish buffer zone inside Syria, protected by a U.S.-led no fly zone.

The Kurds entered a buffer zone on the Turkish border and in the melee at least four protestor were wounded.

A 112-mile U.N. Buffer Zone, known as the Green Line, separates the two areas.

So maintaining a buffer zone ruled by the Kim dynasty satisfies all of Beijing's concerns.