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README.md

NDN-DPDK: High-Speed Named Data Networking Forwarder

NDN-DPDK is a set of high-speed Named Data Networking (NDN) programs developed with the Data Plane Development Kit (DPDK). Included are a network forwarder, a traffic generator, and a file server.

This software is developed at the Smart Connected Systems Division of the National Institute of Standards and Technology. It is in beta stage and will continue to be updated.

Documentation

If you use NDN-DPDK in your research, please cite the NDN-DPDK paper instead of this GitHub repository.

Features

Packet encoding and decoding

Interest and Data: v0.3 format only
- TLV evolvability: yes
- Forwarding hint: yes
NDNLPv2
- Fragmentation and reassembly: yes
- Nack: yes
- PIT token: yes
- Congestion mark: yes
- Link layer reliability: no

Transports

Ethernet-based transports via DPDK: Ethernet, VLAN, UDP, VXLAN
Socket-based transports via kernel: UDP, TCP
Local application transports: memif, Unix sockets

Forwarding plane

Multi-threaded architecture
Forwarding strategies: eBPF programs
FIB: includes strategy choice and statistics
PIT-CS Composite Table (PCCT): includes PIT and CS

Management

GraphQL endpoint: HTTP POST, WebSocket "graphql-transport-ws", WebSocket "graphql-ws"
Configuration file: none
Routing: none

Code Organization

ndn: NDN library in pure Go.
mk: build helper scripts.
csrc: C source code.
js: TypeScript source code.
bpf: eBPF programs, such as forwarding strategies.
core: common shared code.
dpdk: Go bindings for DPDK and SPDK.
ndni: NDN packet representation for internal use.
iface: network interfaces.
container: data structures.
app: application level modules, such as the forwarder data plane.
cmd: executables.
sample: control plane samples.
docs: documentation.

There is a README.md file in most directories of this codebase that describes the corresponding module.