Notes on Modern Data Center Networking¶
Version History
| Date | Description |
|---|---|
| Oct 2, 2021 | Planning |
This is my note on datacenter networking. This is work-in-progress. I will try to cover the following topics:
- Peering
- Cloud gateways
- Cloud internal routing
- Networking Topology
- Software Defined Networking (SDN) and OpenFlow
- Networking Load Balancers
- Networking Upgrade
- Switch Hardware and Software (e.g., p4 switch)
- Host-side NIC Design
- Host-side Network Virtualization (e.g., OpenVSwitch and VPC)
- Transport Design (Retransmission and Congestion Control)
- RDMA and RoCE
- Host-side Networking Stack Design
Overview¶
I should draw a figure, including host side network stack/nic, switch, topologies, sdn controllers and so on. And list which parts demand attention.
Peering, Gateway, and Routing¶
Topology¶
Clos, fat-tree, jupiter, vl2, fb’s 40/100g topology.
SDN and OpenFlow¶
Orion, and its predecessor.
Upgrade¶
NSDI papers, live update, cost.
Network Virtualization¶
openvswitch, Andromeda.
Host Networking Stack¶
Snap.
Special Topics¶
This section covers special topics.
Special Topcis on Transport Design¶
and programmable transport
Congestion Control¶
Shallow switch buffer. DCTCP.
Special Topics on RDMA and RoCE¶
Speical Topics on Programmable Switch and SmartNIC¶
Special Topics on Kernel-Bypassing Netork Stacks¶
RPC papers. ZygOS, Shenengo, Arrakis etc. whole stack design.
Special Topics on Packet Scheduling¶
PIFO etc.
Special Topics on Datacenter Traffic Study¶
IMC‘10 etc.
Special Topics on Middlebox and Network Function Virtualization (NFV)¶
Special Topics on Circuit Switches¶
TBD
Special Topics on Failure, Reliability¶
Link error rate. Applied erasure coding on packets. Trace studies.
Cloud Case Studies¶
In this section, we look at popular cloud vendors and briefly their networking stack status.
GCP¶
Their networking services https://github.com/priyankavergadia/google-cloud-4-words#networking.
Azure¶
SmartNIC
Google Cloud¶
1RMA, Swifit, Snap, Orion
Alibaba¶
p4 switch.