Table 1.

Summary of ICN-based Vehicular Communications Research [9].

ICN Module	Reference	Contributions	Challenge
Security	Wang et al. [55]	Integrity checks on the basis of	Analyzing security threats
		public key infrastructure (PKI)
Mobility	Tyson et al. [40]	Native mobility support	Two key differences of vehicular ICN
Routing	Amadeo et al. [56]	Collision avoidance	Techniques to avoid the explosion of ICN data structures
	Amadeo et al. [29]	Selective flooding scheme	Selection of dynamic outgoing interfaces
Naming	Yan et al. [57]	Hierarchical naming schemes	Agreement on common naming
	Quan et al. [58]	Flat naming scheme	Agreement on common naming
Caching	Yu et al. [59]	Caching unsolicited contents	Smart scope-based caching strategies