Named Data Networking-Based On-Demand Secure Vehicle-To-Vehicle Communications

Table 1

Different symbols used in algorithms.

S. No	Legend	Description
1	V^PreviousT	Previous trust value of the vehicle
2	RSUPOL	Check for RSU’s proof of location (POL) certificate
3	V^RSUSess ID	Session ID assigned by RSU to vehicle
4	T^Vrespond	Response time of the vehicle assigned by RSU
5	B^Newi	New blockchain
6	H#	Hash of all under event messages
7	Bi-1	Hash of the previous blockchain
8		Target difficulty
9	MVNDN	Messages in the VNDN environment
10	VLOC	Vehicle location
11	M^IDsg	Instructions/second (job/task execution speed)
12	V^currentT	Current trust of the vehicle
13	R	RAM required on memory (in bytes)
14	Vinfo	Vehicle information
15	V	Vehicle velocity threshold: average speed: 30 km/h, urban trunk road: 60 km/h, urban secondary roads: 40 km/h
16	VCID	Vehicular cluster identification
17	V^CacheS	Storage of the vehicular caching
18	CH	Cluster head
19	V_d	Vehicle direction
20	V(Clusters)n	Vehicular clusters
21	BS	Base station
22	Threshold	Range (0.1–1.0)
23	trustable-Node	0.5
24	malicious-Node	5
25	M^(N)v	Malicious node
26	V^(New)Trust	Trustable nodes
27	VNODE	Vehicular node
28	CHDATA	Data on the cluster head
29	P^SignPK	Matches the signature of the public key
30	PRR	Previous request rate threshold: 10 interest/sec
31	CH^j	Number of times selected as cluster head