The Implementation of the Burst Building Network for the EMC M. Tiemens | 1 The Implementation of the Burst Building Network for the EMC

GOAL: EMC DCs Compute Node Other subsystems Event Building M. Tiemens | 2 GOAL: EMC DCs p E IP Other subsystems Compute Node Event Building

Assumptions Data Concentrator: 20 SFPs @ 16 Gbps M. Tiemens | 3 Assumptions Data Concentrator: 20 SFPs @ 16 Gbps 10 x 16 Gbps = 160 Gbps max data in If (data in < max data in): additional processing possible

Data Output from EMC Barrel + BW Endcap FW Endcap M. Tiemens | 4 Data Output from EMC Barrel + BW Endcap FW Endcap 25 Data Concentrators 14 Data Concentrators 50 optical links @10 Gbps 42 optical links @12 Gbps 20 MHz 25 optical links @2 Gbps 14 optical links @4 Gbps 2 MHz

EMC BBN @20 MHz (Barrel+BW Endcap) M. Tiemens | 5 EMC BBN @20 MHz (Barrel+BW Endcap) EMC DC EMC DC EMC DC EMC DC EMC DC Compose data stream by chronologically adding time-sorted DC data Merge preclusters if @edge: Network DC L1 DC1 DC2

EMC BBN @20 MHz (Barrel+BW Endcap) M. Tiemens | 6 EMC BBN @20 MHz (Barrel+BW Endcap) In Out Network DC L1 Network DC L1 Network DC L1 Network DC L1 8x : 80 Gbps 8x : <80 Gbps 8x : 80 Gbps 8x : <80 Gbps 8x : 80 Gbps 8x : <80 Gbps 8x : 80 Gbps 8x : <80 Gbps Network DC L1 Network DC L1 EMC DC Network DC L1 4x : 40 Gbps 8x : <40 Gbps 6x : 60 Gbps 8x : <60 Gbps 8x : 80 Gbps 8x : <80 Gbps

EMC BBN @20 MHz (Barrel+BW Endcap) M. Tiemens | 7 EMC BBN @20 MHz (Barrel+BW Endcap) Network DC L1 Network DC L1 Network DC L1 Network DC L1 Back- plane Network DC L1 Network DC L1 EMC DC Network DC L1

EMC BBN @20 MHz (Barrel+BW Endcap) M. Tiemens | 8 EMC BBN @20 MHz (Barrel+BW Endcap) 8 SFPs Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Send data from 1 superburst Connect to FW Endcap L2 Backplane Compute Node … etc

EMC BBN @20 MHz (FW Endcap) M. Tiemens | 9 EMC BBN @20 MHz (FW Endcap) EMC DC EMC DC EMC DC EMC DC EMC DC EMC DC Network DC L1 Network DC L1

EMC BBN @20 MHz (FW Endcap) M. Tiemens | 10 EMC BBN @20 MHz (FW Endcap) 8 SFPs Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L1 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Network DC L2 Send data from 1 superburst Connect to Barrel L2 Backplane Compute Node … etc

M. Tiemens | 11 EMC BBN @20 MHz EMC DC EMC DC EMC DC EMC DC EMC DC EMC DC Compose data stream by chronologically adding time-sorted DC data Merge preclusters if @edge: Network DC L1 DC1 DC2

EMC BBN @20 MHz Barrel + BW Endcap FW Endcap In Out 10x : 100 Gbps M. Tiemens | 12 EMC BBN @20 MHz In Out Barrel + BW Endcap 10x : 100 Gbps 10x : <100 Gbps 10x : 100 Gbps 10x : <100 Gbps 10x : 100 Gbps 10x : <100 Gbps 10x : 100 Gbps 10x : <100 Gbps 10x : 100 Gbps 10x : <100 Gbps FW Endcap 9x : 112 Gbps 10x : <112 Gbps 9x : 112 Gbps 10x : <112 Gbps 8x : 99 Gbps 10x : <99Gbps 8x : 99 Gbps 10x : <99Gbps 8x : 99 Gbps 10x : <99Gbps

Accumulate data per superburst M. Tiemens | 13 EMC BBN @20 MHz Barrel + BW Endcap Network DC L2 … x10 Accumulate data per superburst FW Endcap

EMC BBN @20 MHz Network DC L2 Network DC L2 … … etc Compute Node M. Tiemens | 14 EMC BBN @20 MHz Network DC L2 Network DC L2 … Send data from 1 superburst (?) Send data from next superburst … etc Compute Node Compute Node

M. Tiemens | 15 EMC BBN @2 MHz Compose data stream by chronologically adding time-sorted DC data Merge preclusters if @edge Network DC

EMC BBN @2 MHz Barrel + BW Endcap + FW Endcap In Out 10x : 20 Gbps M. Tiemens | 16 EMC BBN @2 MHz In Out Barrel + BW Endcap + FW Endcap 10x : 20 Gbps 2x : <20 Gbps 10x : 20 Gbps 2x : <20 Gbps 9x : 26 Gbps 2x : <26 Gbps 10x : 40 Gbps 4x : <40 Gbps

EMC BBN @2 MHz Barrel + BW Endcap + FW Endcap Network DC L2 M. Tiemens | 17 EMC BBN @2 MHz Barrel + BW Endcap + FW Endcap Network DC L2 Send data from 1 superburst (?) Send data from next superburst Compute Node Compute Node

Summary 20 MHz: 10 DCs for L1, 10 DCs for L2 M. Tiemens | 18 Summary 20 MHz: 10 DCs for L1, 10 DCs for L2 2 MHz: 4 DCs for L1, 1 DC for L2 EMC DCs BBN L1 BBN L2