what is broadcom's strataXGS architecture?

what is Broadcom's strataXGS architecture ? Any references? I refereed the internet and Broadcom site there is no detailed explanation ? What is new in this architecture ?

I found a sales PDF that might answer some questions:

• http://www.broadcom.com/docs/features/StrataXGS_Trident_II_presentation.pdf

Here are some links to white papers:

• http://www.broadcom.com/products/features/cloud_scale_net.php

Some key features¹:

• Enables unprecedented 10/40GbE single chip switch configurations
• 100+ 10GbE ports with flexibility to support up to 32 40GbE ports
• First integrated switch delivers NVGRE and VXLAN L2oL3 transit and gateway switch technologies
• Supports industry's highest equal cost multipathing-based fat-tree networking scale on a single chip
• Greater FCoE network scale enabling true LAN/SAN convergence — up to 4X increase in forwarding entries
• High port density with direct attach to SFP+/QSFP modules and KR Backplanes
• Integrated IEEE 1588 1-step timing solution
  • Delivers 40 percent reduction in bill of material costs and 30 percent better phase accuracy