Performance evaluation of micromobility environments for various TCP protocols

The proliferation of portable computing devices like laptops and PDAs within the past few years has led to an increase in the mobility of such devices and the consequent introduction of problems not encountered with static computing. However, the merging of mobile devices needs a new mechanism to handle the nodes mobility. In this paper, the author has studied and discussed the behavior of IP micromobility protocols for various TCP protocols (Tahoe, Reno, NewReno and Sack). The author chose to compare the most known micromobility protocol (CIP, HAWAII and HMIP) for some versions of the TCP protocols. It was shown that with the same hierarchical topology for the three IP micromobility and the same mobile node movement scenario, HAWAII performs better than HMIP and CIP for most TCP protocols. However, In TCP Tahoe and NewReno, HMIP performs quite similar to HAWAII. In addition, simulations have shown that CIP has the worst behavior with the various TCP protocols.