Contributions of part We for the first time, introduce the idea of trust and trust model" into the design of secure routing protocols for MANET o We novelly derive our trust model based on subjective logic which can fully represent the properties of the trust relationships in MANET. We design a trusted routing protocol (TAODV) based on our trust model which is both secure and cost effective o We also enhance the subjective logic to obtain a better trust evaluation 10 May 29, 2009 CSE CUHK10 May 29, 2009 CSE CUHK Contributions of Part I ◆ We, for the first time, introduce the idea of “trust” and “trust model” into the design of secure routing protocols for MANET. ◆ We novelly derive our trust model based on subjective logic which can fully represent the properties of the trust relationships in MANET. ◆ We design a trusted routing protocol (TAODV) based on our trust model, which is both secure and cost effective. ◆ We also enhance the subjective logic to obtain a better trust evaluation