In wireless networks, to provide the privacy protection is a hard one than wired networks. Many protocols in the network use the encryption and decryption technique to transfer the data in a secure way. In wired network, it doesn't need to consider the mobility of the node. But in wireless network it needs to keep the mobility information in the protected way. To give a privacy protection in the network, ISRR protocol tells about the unobservable data transmission. This protocol supports three features: Anonymity, Unlinkability, Unobservability. This paper proposes ISRR protocol, which uses the effective key establishment with neighbor node and also achieves stronger privacy safety over network interactions. This paper focuses on avoiding the type of denial of service attack during packet routing in simulation.