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.
As shown in the table, with an expected life cycle of 30 years for a correctional facility, the overall operating cost of that prison would be nearly $1.7 billion -- in addition to the annual operating costs for the other 20 prisons and jails.