The Austronesian people from Southeast Asia's island were the major seafaring traders who first to promote commerce between China and India.
Step-by-step explanation:
The first real naval trade networks in the Indian Ocean created by Austronesian from the island of Southeast Asia. They built the first seagoing ships. Before Christ, they created trade routes with South India and Sri Lanka.
This proclaimed the exchange of material culture (such as catamarans, sewing boats) and cultural goods (such as coconuts bananas). Also, combine material cultures of India and China.
In particular, Indonesians traded in East Africa using catamarans and spice boats and sailing in the Indian Ocean with Westerlies support. This trade network spreaded to Africa and to Arabian Peninsula. This led to the colonization of Madagascar in the first millennium of AD.