Latest version: 1.10.2 || ZeroTier is now available on MikroTik. Read more.


Benchmarking ZeroTier vs. OpenVPN and Linux IPSec

April 20, 2017

It’s been a while since we published any performance numbers, so today we decided to benchmark the pre-release of ZeroTier 1.2.4 against IPSec and OpenVPN. Our benchmark setup consisted of two single-core Linux (CentOS 7) virtual machines running on VMWare Workstation on the same Core i7 at 2.8ghz. Benchmarking on the same physical host means […]

Capability Based Security for Virtual Networks

August 31, 2016

The next major release of ZeroTier’s network virtualization engine (1.2.0) is a huge milestone. In addition to other improvements, our virtual networks will be getting a lot smarter. It will now be possible to set fine-grained rules and permissions and implement security monitoring at the network level with all of this being managed via the […]

The ZeroTier SDK: P2P Apps With Standard Protocols

June 22, 2016

As of this week it is now possible to connect desktop and mobile apps to virtual networks with the ZeroTier SDK. With our SDK applications can now communicate peer to peer with other instances of themselves, other apps, and devices using standard network protocols and with only minimal changes to existing network code. (On some platforms […]

Meet Alice and Bob: The New Root Server Infrastructure

November 20, 2015

ZeroTier is growing, and to facilitate that growth we’ve just made a significant upgrade to our root server infrastructure. While the ZeroTier network is peer to peer, it relies upon a set of designated core nodes whose role and responsibility is very close to that of the DNS root name servers, hence the similar terminology. For […]

Introducing Network Containers

September 29, 2015

This describes the effort that eventually led to libzt. TL;DR: If you’re going to put the network in user space, then put the network in user space. For the past six months we’ve been heads-down at ZeroTier, completely buried in code. We’ve been working on several things: Android and iOS versions of the ZeroTier One […]

The State of NAT Traversal

August 25, 2014

For those who don’t know, NAT stands for Network Address Translation. If you’re on a typical network, your system probably has an IP address like These are private IPs. They are not your real Internet IP address. Between you and the network there is a device called a “NAT router” that performs intelligent address translation back and […]