difference between shortest path and alternate path
BGP is Border Gateway Protocol and OSPF is Open Shortest Path First.
Relation between phase difference and path difference is path difference/wavelength=phase difference/2*pi
a segment of a strate line
The shortest path between two points is called a geodesic. In flat (Euclidean) space it is simply a straight line.
2D line.
Distance.
The shortest path between two points
line segment
Globe
The shortest tornado path on record was 7 feet long.
No, it is not.
for finding the shortest path