Three Tier Network Architecture to mitigate DDoS Attacks on Hybrid Cloud Environments
Akashdeep Bhardwaj, G.V.B. Subrahmanyam, Vinay Avasthi, Hanumat Sastry

TL;DR
This paper proposes a three-tier network architecture combining MANETs and Internet to improve connectivity and performance, especially in mobile ad hoc environments, by integrating Mobile-IP with CGSR protocol.
Contribution
It introduces a novel three-tier framework with an alternate routing mechanism, enhancing connectivity and performance over existing strategies.
Findings
Higher packet delivery ratio compared to other strategies
Reduced end-to-end delay in network communication
Improved connectivity between mobile nodes and gateways
Abstract
Connecting the wired and wireless networks particularly the Mobile ad hoc Network is interesting in real world situations due to its usefulness and practicality. Different mechanisms have been proposed to integrate MANETs and the Internet. These strategies differ in gateway discovery mechanism, cell switching criteria, ad hoc routing protocol.In this paper, Mobile-IP is integrated with Hierarchical Cluster-Head Gateway Switch Routing (CGSR) Protocol to provide Internet access to the mobile node of the ad hoc Network. This paper discusses a mechanism for selecting an alternate route in case if the Cluster Head is unable to forward the packets to the destination. The proposed framework provides bi-directional connectivity between the MANET and the Internet nodes. A detailed performance comparison is made between the proposed approach and the other three-tier strategies based on mobility…
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Taxonomy
TopicsMobile Ad Hoc Networks · Opportunistic and Delay-Tolerant Networks · Vehicular Ad Hoc Networks (VANETs)
