A header contains the information required to route data on the Internet, and has the same format regardless of the type of data being sent. This is the same for an envelope where the address format is the same regardless of the type of letter being sent.
Con: Disadvantages of Prison Privatization In response to arguments in defense of privatization, opponents counter that private prisons are not more cost-effective than public prisons, do not on the whole perform better than their public counterparts, and are actually less transparent and accountable.
President Barack Obama opposed privatization (i.e., diverting payroll taxes or equivalent savings to private accounts) or raising the retirement age, but supported raising the annual maximum amount of compensation that is subject to the Social Security payroll tax ($118,500 in 2016) to help fund the program.