A turbo engine, particularly a gas turbine aircraft engine, has compressor components, turbine components, and at least one combustion chamber. The ablative composition comprises an intumescent material such as ammonium polyphosphate that is disposed within an LTA material at the outer surface of the ablative composition. The shield includes a cannula channel with a finger lock for preventing re-exposure of the used needle. Then, one or more resources in the network may be allocated based on the QoS mechanisms and parameters as well as the multiplexing gains.