To help meet revenue targets, senior management also began to sell portions of its own domestic fiber-optic network. Originally this network was to be held for Qwest’s own use and had previously been identified as the “principal asset “ of Qwest. Specifically,Qwest sold indefeasible rights of use (IRUs) for specific fiber capacity that it had constructed and used in its own communications services business. In addition Qwest sold pieces of the network it had acquired from other third parties. Finally, Qwest sold used capital equipment to generate additional revenue.