It does not need to authenticate all packets because there exists a possibility that the selected relay will not be attacked by the attacker.
Any nation that does not attack us will not be attacked".
Every night the elder Godwins barricade themselves in their house, hoping they will not be attacked.
Ordinary people have little confidence that they will not be attacked by robbers when they venture out of the house.
It is feared many of these so-called "good Taliban" have been allowed to slip away or will not be attacked.
Then again, if Iran's leaders calculate that they will not be attacked, they may be emboldened to make more mischief.
Only the United States can offer Iran what it wants: a guarantee that it will not be attacked and will instead be treated as a normal member of the world community.
Safety is also a concern: people want some assurance that once they bed down for the night or get into a stranger's car they will not be attacked or ripped off.
The Taliban leaders coming into Afghanistan for talks have left their havens in Pakistan on the explicit assurance that they will not be attacked or arrested by NATO forces, Afghans familiar with the talks say.
