WANdisco

WANdisco, plc., dually headquartered in Sheffield, England and San Ramon, California in the US, is a public software company specialized in the area of distributed computing. It has development offices in San Ramon, California; Sheffield, England; and Belfast, Northern Ireland. WANdisco is a corporate contributor to Hadoop, Subversion and other open source projects.

WANdisco, plc.
Public limited company
Traded asAIM: WAND
IndustryBig data
Cloud Computing
Configuration management
Software
FoundedSan Ramon, California, U.S. (2005 (2005))
FounderDavid Richards, Dr. Yeturu Aahlad[1]
Headquarters
Sheffield, U.K./San Ramon, U.S.
Key people
David Richards (Chairman & CEO)
Erik Miller(CFO)
Yeturu Aahlad (Inventor)
ProductsWANdisco Fusion
SVN MultiSite Plus
Git MultiSite
Gerrit MultiSite
Access Control Plus
Number of employees
circa 180 [2]
Websitewww.wandisco.com

History

The name WANdisco is an acronym for wide area network distributed computing. Initially offering a replication solution for distributed teams using the Concurrent Versions System (CVS), this was expanded to include Apache Subversion with SVN MultiSite Plus in 2006, Git with Git MultiSite in 2013 and Gerrit with Gerrit MultiSite in 2014.

In 2012, WANdisco acquired AltoStor, and entered the Big Data market with its Non-Stop Hadoop product. AltoStor's founders, Dr. Konstantin Shvachko and Jagane Sundar, joined WANdisco as part of the acquisition, and helped develop the company's next generation Hadoop product released in 2015, WANdisco Fusion.

Technology

WANdisco's Distributed Coordination Engine (DConE) is the shared component for WANdisco clustering products.[3] The DConE system allows multiple instances of the same application to operate on independent hardware without sharing any resources. All of the application servers are kept in synchronisation by DConE regardless of whether the servers are on the same LAN or globally separated and accessible only over a wide area network (WAN).

WANdisco's replication technology was the work of Yeturu Aahlad, who had previously worked for Sun, Netscape and IBM, and was involved in developing the CORBA Framework.[4] Aahlad theorized a model for effective Active replication over a WAN. In the development of DConE, WANdisco has taken the Paxos algorithm as a baseline and added innovations relevant to mission-critical, high transaction volume distributed environments.

WANdisco provides replication products for CVS, Apache Subversion, Git, Gerrit, Apache Hadoop, Amazon Web Services, Microsoft Azure, Google Cloud Platform. In addition, the company offers support, consultancy and training services.

The company's website lists companies such as ARM, Avaya, Bally Technologies, Barclays, BlackRock, Bosch, Cisco, Dell EMC, Disney, Fujitsu, General Electric, Honda, Juniper Networks and Pitney Bowes.[5]

IBM OEM

In April 2016, WANdisco announced that IBM had signed a deal to OEM WANdisco Fusion.[6] The deal allows IBM to rebrand Fusion as "IBM Big Replicate" and plays an important role in the IBM Big Data and Cloud Computing strategy, including movement of data between on-premises software and Cloud.[7]

Blockchain

In July 2018, WANdisco announced that it had filed a new patent in Blockchain.[8] The company claims that the patent "enables effective permissioned blockchain transactions with an underlying algorithmic mechanism. This mechanism enables throughput to be achieved that is orders of magnitude higher than public blockchains."

Defunct products

In 2011 WANdisco announced uberSVN, a deployment of Apache Subversion which included a web based management console and the ability to add additional application lifecycle management features.[9] The uberSVN download was available through mid-2013.[10]

Open source contributions

In September 2013 WANdisco announced it is an official sponsor of the UC Berkeley AMPLab, a five-year collaborative effort at the University of California, Berkeley.[11]

Hadoop

WANdisco has one Apache Hadoop committer on staff: Jagane Sundar. In February 2013 WANdisco released a free distribution of Hadoop containing additional components developed by WANdisco.[12]

Subversion

WANdisco was involved in the Apache Subversion open source project from 2008[13] through 2015. They employed several contributors to work on the Subversion project during that time.[14]

Server and client binaries

WANdisco provides Subversion binary downloads for Windows, CentOS, Debian, Oracle Linux, RHEL, SUSE Linux, Ubuntu, Mac OS X and Solaris via its website.[15] These binaries use the default package management system for each Linux distribution.

Project announcements

In December 2010, WANdisco announced its intention to develop some features for the Subversion project,[16] specifically aimed at improving branching and merging functionality.

The Apache Foundation and some Subversion developers said the announcement contained unfounded claims and insinuations about community involvement and the lack of development on these features.[17] According to Apache, these features were already being worked on at the time.[13][18] David Richards from WANdisco clarified this position to the Subversion community[19] and followed up by announcing WANdisco's sponsorship and ongoing support for the work of the Apache Software Foundation.[20]

gollark: You *can*? In general? I thinky not.
gollark: Which I just made up now.
gollark: I mean, the intuitive proof thing... what about the simpler "halting problem for program with no input" thing?
gollark: I mean, not faster in general.
gollark: No, they're not faster, they are basically *dedicated accelerators for some operations*.

References
  1. "WANdisco About Us". WANdisco, Inc. Retrieved 2018-11-12.
  2. "WANdisco LinkedIn". Retrieved 2018-11-12.
  3. "The Distributed Coordination Engine (DConE)" (PDF). White paper. WANdisco, Inc. 2014. Retrieved 2018-11-12.
  4. "Methods and apparatus for managing deactivation and shutdown of a server". White paper. US Patent Office. 1995-03-22. Retrieved 2018-11-12.
  5. "WANdisco Customers". WANdisco, Inc. Retrieved 2018-11-12.
  6. Chris Mellor (2016-04-29). "IBM goes to WANdisco". The Register/Situation Publishing. Retrieved 2018-11-12.
  7. "IBM Big Replicate". IBM. Retrieved 2018-11-12.
  8. "WANdisco announces filing of new blockchain patent and VP of Engineering" (Press release). WANdisco, Inc. 2018-07-25. Retrieved 2018-11-12.
  9. Adrian Bridgwater (2011-04-22). "WANdisco Do-Si-Dos Apache Subversion With uberSVN". Dr. Dobb's. Retrieved 2018-11-12.
  10. "uberSVN: The Open ALM Platform for Subversion". WANdisco, Inc. Archived from the original on 2013-07-17. Retrieved 2018-11-12.
  11. "WANdisco Announces Official Sponsorship of UC Berkeley AMPLab" (Press release). WANdisco, Inc. 2013-09-05. Retrieved 2018-11-12.
  12. Maria Deutscher (2013-02-11). "WANdisco Releases Free Hadoop Distro". SiliconANGLE Media Inc. Retrieved 2018-11-12.
  13. "Apache Subversion To WANdisco, Inc: Get Real", Slashdot.org, SlashdotMedia, 2011-01-04, retrieved 2018-11-12
  14. "WANdisco sponsors the Apache Software Foundation for a second year and welcomes core Subversion developers to its team" (Press release). WANdisco, Inc. 2012-07-26. Retrieved 2018-11-12.
  15. "WANdisco Resource Library". WANdisco, Inc. Retrieved 2018-11-12.
  16. "WANdisco Shakes Up Software Change Management With Overhaul of Subversion" (Press release). San Ramon, CA: WANdisco, Inc. 2010-12-20. Archived from the original on 2016-04-21. Retrieved 2018-11-12.
  17. Ben Collins-Sussman (2011-01-03), WANdisco, ur doin it rong, retrieved 2018-11-12, He’s insulted two-thirds of the active developers (and embarrassed his own employees) by declaring them to be incompetant [sic] stewards. There’s no simpler way to garner hate and come off like an ass than to say 'everyone move aside and let me fix this'
  18. Apache Software Foundation (2011-01-03), "Apache Subversion to WANdisco: +1 on the code contributions, −1 on the attitude", The Apache Software Foundation Blog, retrieved 2018-11-12, WANdisco's false implication that it is in some kind of steering position in Subversion development discredits the efforts of other contributors and companies.
  19. David Richards (2011-01-04), "Subversion Politics", WANdisco Blog, WANdisco, Inc., archived from the original on 2015-06-10, retrieved 2018-11-12
  20. "WANdisco sponsors Apache Software Foundation" (Press release). WANdisco, Inc. 2011-02-01. Retrieved 2018-11-12.
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