The Silk Road was about thousands of kilometers long, the Silk Road was several trade routes copulative Asia to Europe or East to West.
The trade route was traveled by the traders on caravans and other means of transport of the ancient times camels was one of the most important means of transport on this route.
Robbers and looters who made travel much more dangerous on this route well it was controlled and protected by the Muslim Empire but still, caravans needed their defense forces for their protection.
