Arista News: http://www.lightreading.com/search.asp & https://www.newsnow.co.uk/h/?search=arista&lang=en&searchheadlines=1
https://www.arista.com/en/products
https://www.arista.com/en/products/7280e-series
Arista 7280E: Ultra deep 9GB of packet buffers
Total System Buffer
10Gbps: 9x8Gb/10Gb = 7.2 sec
40Bgps: 9x8Gb/40Gb = 1.8 sec
100Bgps: 9x8Gb/10Gb = 0.72 sec or 720msec
QFX10k: up to 100ms per ports ( any ports)
10Gbps: 10Gbps x 0.1sec = 1Gb / 8 = 0.125 GB per ports
40Bgps: 40Gbps x 0.1sec = 4Gb / 8 = 0.25 GB per ports
100Bgps: 100Gbps x 0.1sec = 10Gb / 8 = 1.25 GB per ports
White paper: Packet Buffers In Cloud Network Switches
https://www.arista.com/assets/data/pdf/Whitepapers/BigDataBigBuffers-WP.pdf
Comparing the Broadcom Silicons used in Datacenter switches
https://www.linkedin.com/pulse/comparing-broadcom-silicons-used-datacenter-switches-reza-toghraee/
1- Strata XGS Family
Trident 2 (10g / 40G)
Trident 2+ (10G / 40G , Enhanced Trident 2 , with VXLAN Routing)
Tomahawk (100G)
...
Qumran (10G/40G)
Jericho (packet processor)
FE 3600 (Fabric)
10 Tb/s StrataDNX™ Jericho2 Ethernet Switch Series
https://www.broadcom.com/products/ethernet-connectivity/switching/stratadnx/bcm88690