The Cisco^® ASR 9900 Switch Fabric Card 2, Switch Fabric Card S and Switch Fabric Card T are the next-generation switch fabrics for the Cisco ASR 9922 Router, ASR 9912 Router, ASR 9910 Router and ASR 9906 Router, supporting high-density 100 Gigabit Ethernet line cards. The system architecture of the Cisco ASR 9900 Switch Fabric Card 2 (ASR 9900 SFC2), Switch Fabric Card S (ASR 9900 SFC-S) and Switch Fabric Card T (ASR 9900 SFC-T) is designed to accommodate new programmable deployment models and convergence of Layer 2 and Layer 3 services, as required by today's wireline, Data-Center-Interconnect (DCI), and Radio Access Network (RAN) aggregation applications.