Before revision:  To deal with the performance evaluation of such networks, most relevant existing techniques are based on the Network Calculus framework, and consists in analyzing locally the delay upper bound in each crossed node, resulting in pessimistic end-to-end delay bounds.
After revision:  To deal with the performance evaluation of such networks, most relevant existing techniques are based on the Network Calculus framework, and consist in analyzing locally the delay upper bound in each crossed node, resulting in pessimistic end-to-end delay bounds.