Tx Matrix Routing Matrix Switch Fabric Architecture; Figure 5: Control Planes Connections - Juniper TX MATRIX Hardware Manual

TX Matrix Hardware Guide
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TX Matrix Routing Matrix Switch Fabric Architecture

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Figure 5: Control Planes Connections

TX Matrix Router Description on page 3
TX Matrix System Architecture Description on page 5
TX Matrix Routing Matrix Control Plane Architecture on page 8
The routing matrix switch fabric consists of five data switching planes. The switch fabric
uses ASICs to perform high-speed packet forwarding between the T640 routers. Each
TX-SIB and the T640-SIBs connected to it represent a data switching plane that spans
the TX Matrix router and all T640 routers in the routing matrix. The switching planes are
connected by high-speed optical links within fiber-optic array cables.
Consider a packet that enters a T640 router and is destined for another T640 router in
the routing matrix. When the packet enters an interface on a PIC in a T640 router, it is
forwarded to the switch fabric by a Packet Forwarding Engine on that router (see T640
Core Router Hardware Guide for more details). The packet is forwarded through the switch
fabric from the source T640 router, through the TX Matrix router, to the target T640
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