FD.io VPP
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| FD.io VPP | |
|---|---|
| Name | VPP |
| Developer | FD.io |
| Release | 2014 |
| License | Apache License 2.0 |
FD.io VPP
FD.io VPP is a high-performance packet-processing platform designed for software-defined networking and network function virtualization. It aims to provide fast, programmable forwarding for routers, switches, and virtualized network functions across cloud and telco infrastructures. The project interacts with numerous open-source projects, commercial vendors, standards bodies, and research initiatives to accelerate packet I/O and forwarding plane innovation.
Overview
VPP originated inside a Linux Foundation project and has attracted participation from organizations such as Linux Foundation, Intel Corporation, Cisco Systems, Broadcom Inc., and Verizon Communications. The platform is implemented in C (programming language), distributed under the Apache License variant used by contemporary open-source networking efforts, and aligns with standards developed by bodies like IETF and ETSI. VPP integrates with virtualization stacks from KVM, QEMU, Xen (hypervisor), and container platforms associated with Docker, Kubernetes, and OpenStack. It competes and cooperates with other data plane projects such as DPDK, Open vSwitch, SR-IOV, and PF_RING while informing academic work in institutions like MIT, Stanford University, and University of California, Berkeley.
Architecture and Components
The architecture separates control plane and data plane responsibilities, referencing designs from Cisco Systems and Juniper Networks router architectures, and borrows packet I/O acceleration techniques from Intel Corporation's Data Plane Development Kit initiative. Core components include a graph-based forwarding engine, plugin framework, device drivers, and control-plane APIs that interface with orchestration systems like Ansible, Terraform, and Helm. VPP's graph model is similar in spirit to processing pipelines explored in projects at Bell Labs and research groups at ETH Zurich and Carnegie Mellon University. Device bindings support hardware offloads from NVIDIA, Broadcom Inc., and Mellanox Technologies and integrate with virtual interfaces such as vhost-user and virtio from projects like Open vSwitch and QEMU.
Features and Performance
VPP provides features including high-throughput Ethernet switching, IP routing (IPv4 and IPv6), MPLS, VXLAN, SRv6, NAT, ACLs, QoS, and telemetry primitives used by vendors like Cisco Systems and Juniper Networks. Performance optimizations draw on techniques from Data Plane Development Kit and CPU architecture insights from Intel Corporation and AMD. Benchmarks presented at venues like APRICOT, Interop, and Open Source Summit compare VPP throughput and latency against alternatives such as Open vSwitch and hardware forwarding ASICs from Broadcom Inc. and Marvell Technology Group. The plugin model enables extensibility for protocols documented by IETF working groups and implementations used by operators such as AT&T and Deutsche Telekom.
Development and Governance
The codebase is hosted within a collaborative repository governed by processes similar to those used by Linux Kernel and other Linux Foundation projects, with contributions from companies including Cisco Systems, Intel Corporation, Red Hat, and BT Group. Governance follows community norms akin to OpenStack foundations and uses continuous integration systems inspired by Jenkins and GitLab CI/CD. Release cycles and roadmap discussions occur in working groups comparable to IETF and ETSI forums, with academic and commercial input from research labs at Bell Labs and corporations like Huawei Technologies.
Use Cases and Deployments
Operators deploy VPP in scenarios ranging from virtual routers and service chaining to mobile edge computing and cloud gateways, environments typified by deployments at Verizon Communications, Telefonica, and Vodafone Group. Cloud providers and NFV platforms such as OpenStack and Kubernetes use VPP for workload networking, while telco vendors integrate it into 5G RAN and core testbeds influenced by 3GPP specifications. Research testbeds at GENI and EmuLab have used VPP to evaluate forwarding models, and commercial systems from Cisco Systems and Juniper Networks demonstrate hybrid deployments. Deployment orchestration often employs tools like Ansible, Terraform, and Helm alongside observability stacks such as Prometheus and Grafana.
Integration and Ecosystem
VPP integrates with a broad ecosystem including DPDK for user-space packet I/O, etcd and Consul for configuration, and control-plane projects such as FRRouting and Bird (routing daemon). Container networking interfaces like CNI and orchestration platforms like Kubernetes are supported through dedicated plugins and operators developed by community members and vendors such as Red Hat and Canonical. The project interoperates with service mesh and observability tools used by Google LLC-adjacent ecosystems and participates in standards and interoperability events with organizations like IETF and Open Networking Foundation.
Security and Reliability
Security considerations draw on mitigation techniques documented by NIST and operational practices from carriers like AT&T and Deutsche Telekom, including hardening, access control, and vulnerability disclosure processes similar to those used in OpenSSL and Linux Kernel ecosystems. Reliability and resilience use models from ITU-T and ETSI high-availability recommendations, with testing in lab environments mirroring certifications pursued by vendors such as Cisco Systems and Juniper Networks. Operational tooling integrates with logging and alerting frameworks like ELK Stack and Prometheus to support incident response routines common to large operators including Verizon Communications and Telefonica.