Ad-hoc On-Demand Distance Vector Routing
WMCSA '99 Proceedings of the Second IEEE Workshop on Mobile Computer Systems and Applications
Spray and wait: an efficient routing scheme for intermittently connected mobile networks
Proceedings of the 2005 ACM SIGCOMM workshop on Delay-tolerant networking
A static-node assisted adaptive routing protocol in vehicular networks
Proceedings of the fourth ACM international workshop on Vehicular ad hoc networks
Delay-bounded routing in vehicular ad-hoc networks
Proceedings of the 9th ACM international symposium on Mobile ad hoc networking and computing
Field evaluation of UHF radio propagation for an ITS safety system in an urban environment
IEEE Communications Magazine
Lifetime determination for delay tolerant communications in sparse vehicular networks
ISWPC'10 Proceedings of the 5th IEEE international conference on Wireless pervasive computing
Delay tolerant mobility aware routing/mobility dissemination protocol for the airborne network
MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
Routing for disruption tolerant networks: taxonomy and design
Wireless Networks
Routing in Sparse Vehicular Ad Hoc Wireless Networks
IEEE Journal on Selected Areas in Communications
DTN: an architectural retrospective
IEEE Journal on Selected Areas in Communications
Dynamics of Network Connectivity in Urban Vehicular Networks
IEEE Journal on Selected Areas in Communications
Performance analysis of epidemic routing in DTNs with limited forwarding times and selfish nodes
International Journal of Ad Hoc and Ubiquitous Computing
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The packet delivery ratio and throughput in Vehicular Ad Hoc Networks (VANETs) depend on the network connectivity and degrade as the connectivity decreases. A delay-tolerant approach increases the packet delivery ratio in partially connected networks. In the previous studies, the packet lifetime and the vehicle's packet carry time are determined to maximise the packet delivery ratio in partially connected VANETs. However, IPv6 uses the hop count in the Hop Limit field instead of using seconds in the TTL field, as in IPv4. Similarly, although IPv4 packets are designed to carry the packet lifetime in seconds in the TTL field, this field is used for the hop count in practice. In this case, there is no mechanism to determine how long vehicles will carry packets in VANETs when delivering packets in a delay-tolerant fashion. In this study, we propose approaches for the delivery of IPv6 packets in a delay-tolerant fashion in partially connected networks. We also propose another method that enhances these proposed approaches and optimises the packet delivery ratio. Our analysis shows that the proposed approaches can be easily adopted for IPv6/IPv4 packets to be delivered in a delay-tolerant fashion. Additionally, we observe that our approaches increase the packet delivery ratio in partially connected VANETs and can also be used in networks where the nodes are mobile or connections get broken frequently.