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.
Development of private prisons in the United States. Federal and state government has a long history of contracting out specific services to private firms, including medical services, food preparation, vocational training, and inmate transportation. The 1980s, though, ushered in a new era of prison privatization.