Tailscale

Tailscale Inc. is a software company based in Toronto, Canada. Tailscale develops a partially open-source software-defined mesh virtual private network (VPN) and a web-based management service.[lower-alpha 1][1][2] The company provides a zero config VPN as a service under the same name.[3]

Tailscale
Developer(s)Tailscale Inc.
Stable release
1.50.1[4] / October 2, 2023 (2023-10-02)
Operating systemMicrosoft Windows, macOS, Linux, Android, iOS, tvOS
TypeSD-WAN, P2P, VPN
LicenseBSD
Websitetailscale.com
Tailscale Inc.
TypePrivate
Industry
Founded2019
FounderAvery Pennarun
David Carney
Brad Fitzpatrick Edit this on Wikidata
HeadquartersToronto, Canada,
Canada
Key people
Websitetailscale.com

History

Founded in 2019 by Google engineers Avery Pennarun, David Crawshaw, David Carney, and Brad Fitzpatrick,[5] the company secured funding of $12 million in a Series A round in November 2020 led by Accel with seed investors, Heavybit and Uncork Capital participating.[6] In May 2022, the company became a Unicorn, raising a $100 million Series B round, led by CRV and Insight Partners, with participation from existing investors.[5][7]

The company's name is inspired from a research paper The Tail at Scale[lower-alpha 2] published by Google.[8]

Software

The open-source software acts in combination with the management service to establish peer-to-peer or relayed VPN communication with other clients using the WireGuard protocol. If the software fails to establish direct communication it falls back to using relays provided by the company. The IPv4 addresses given to clients are in the carrier-grade NAT reserved space. This was chosen to avoid interference with existing networks. The configuration also allows routing of traffic to networks behind the client on some clients.[9]

See also

Notes
  1. Although Tailscale sells VPN services, it is not a VPN service in the typical sense that is aimed at censorship bypasses, but at providing mesh networking
  2. Dean, Jeffrey; André Barroso, Luiz. "The Tail at Scale". Google. Archived from the original on 14 December 2021. Retrieved 9 March 2021.

References
  1. Rogers, Sarah (2021-09-09). "Tailscale VPN review". TechRadar. Archived from the original on 19 September 2021. Retrieved 2022-04-13.
  2. Vaughan-Nichols, Steven. "Tailscale launches Wireguard-secured mesh network". ZDNet. Archived from the original on 23 February 2023. Retrieved 2022-04-13.
  3. Hanselman, Scott. "Using Tailscale on Windows to network more easily with WSL2 and Visual Studio Code". www.hanselman.com. Archived from the original on 2014-08-09. Retrieved 2021-02-01.
  4. "Tailscale releases"
  5. Kyle, Wiggers (5 May 2022). "Tailscale lands $100 million to 'transform' enterprise VPNs with mesh technology". TechCrunch. Archived from the original on 23 February 2023.
  6. Dillet, Romain (10 November 2020). "Tailscale raises $12 million for its WireGuard-based corporate VPN". TechCrunch. Archived from the original on 23 February 2023. Retrieved 2021-02-01.
  7. Tailscale (4 May 2022). "Tailscale raises $100M… to fix the Internet". Tailscale. Archived from the original on 6 May 2022. Retrieved 2022-05-05.
  8. Security Cryptography Whatever: Tailscale with Avery Pennarun & Brad Fitzpatrick. 15 Jan 2022. Event occurs at 45m53s. Archived from the original on 23 February 2023. Retrieved 23 February 2023 – via archive.org.{{cite AV media}}: CS1 maint: bot: original URL status unknown (link)
  9. Morgan, Ethel. "Tailscale". ethulhu.co.uk. Archived from the original on 23 February 2023. Retrieved 2021-02-01.
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