How does marketing differ from B2B to B2C?

The underlying fundamentals for both B2B & B2C Marketing are same i.e making an user Purchase your Brand's Goods / Service for meeting their needs. However the mechanics of completing this transaction differ as below:

B2C :

Greater reliance on direct influence through Communication to the Target Consumer

Channels of Distribution ensuring ready availability play a key role

B2B :

Identify the Actual user needs & the requirements of all involved in the Purchase Decision like Technical, Commercial, Legal etc.

3rd Party Influencer plays a greater role in terms of influencing the final decision