There are lot of methods to build quality traffic. But it will depend on the quality of the work of the link builder. If we take directory submission as an example, a link builder can submit to thousands of low quality sites. Also some link builders may research on quality niche directories and submit your site. So it will give more SEO benefit than earlier method.
We can use article marketing, press releases, forum posting, etc to build links. But every method should be handle with care.

Have to manage the link building process for the betterment of the site promotion also the traffic generation.I am interested to manage the marketing process through the online mode...keep sharing.

Quality deals with relevancy so create links from relevant and Dofollow sites because Google gives more value on them.