With AT&T Business Fiber, you’ll enjoy fast, reliable, and cost-effective plans for your small business. In addition, AT&T Business Fiber plans offer symmetrical internet speeds. In other words, they offer the same upload and download speeds.  In order to experience a great internet experience, you need both upload and download speeds. The speed of downloads is important for things like streaming webinars and transferring large files, while uploads are crucial to things like video conferencing and storing large files in the cloud.