PXB4330 Datasheet, PDF (44/201 Pages) Infineon Technologies AG – ICs for Communications

Port 1 (ABM)
Port n
Switch
Fabric
R1,1
Rn,1
R1,n
Rn,n
PXB 4330
Functional Description
Port 1
switch egress port
bottleneck
622 Mbps
Port n
switch egress port
bottleneck
622 Mbps
switch ingress port
bottlenecks
622 Mbps
Ri,j = Rate from Port i to Port j
= Scheduler
Figure 3-8 Scheduler Usage at Switch Input
There are two options for Scheduler rate adjustment:
• After each connection setup or teardown (static bandwidth allocation).
• Dynamic bandwidth allocation using Input Scheduler Buffer fill information to assign
Scheduler rates dynamically.
Note: An algorithm for static bandwidth allocation is available on request.
Data Sheet
3-44
09.99