HEPiX Technology Watch - Network sub working group

• follow technology trends
• analyze implications for HEP
• foreseen possible shortcoming

!HEPiX Technology Watch activity

Table of Content

Trends

Technology Watch

Traffic grow predictions

Monthly rates for previous years are on the wikipedia

Ethernet evolution

• Roadmap 2018
• Roadmap 2020
• 800G standard approved - March 2020

Hardware

• NICs
• Switches and Routers
• Attachments
  • HiWire Active Electrical Cable (AEC) for affordable 100G, 400G connections
• DWDM
• Network Chips
  • Silicon photonics (e.g. Intel)
  • Broadcom Tomohawk 4 hpcwire - nextplatform
  • Cisco Silicon One Q100

Software

• SONiC: Open-Source Linux OS for switches based in Broadcom, Mellanox, Marvell, Cavium, Barefoot chips

News

• 20200504 - Nvidia acquires Cumulus Networks
• 20200427 - Nvidia acquires Mellanox
• 20200300 - Nokia Bell Labs set the world record for the highest single carrier bit rate at 1.52 Tbit/s over 80 km on standard SM fiber

Sources

• https://www.lightwaveonline.com/index.html
• https://ethernetalliance.org/
• https://www.nextplatform.com/category/connect/
• https://www.lightreading.com/
• https://www.itworld.com/category/networking/
• https://www.ptc.org/

Documents

• Documents and other material are attached to this page

Produced material

• Presentations at conferences
  • Report at 2019 Joint HSF/OSG/WLCG Workshop
  • Report at HEPiX Spring 2019

• Working material can be stored on the CERN box project hepix-techwatch-network (not public)

Meetings

• HEPiX Techwatch Indico

Related projects and activities

• !HEPiX SDN and NFV working group
• Research Network Technology working group
• LHCOPN and LHCONE
• CERN NOTED
• ESnet SENSE
• ROBIN
• GNA-G