Bibliography

Encyclopedia of Computer Graphics and Games / Ed. by Newton Lee. – Cham, Switzerland: Springer Nature Switzerland AG, 2024. – liv + 2115 p. // https://link.springer.com/referencework/10.1007/978-3-031-23161-2 (accessed 10 January 2026)

Extensible Markup Language (XML) 1.0 (Fifth Edition). W3C Recommendation. – World Wide Web Consortium (W3C). – 2008. – 26 November // https://www.w3.org/TR/REC-xml (accessed 10 January 2026)

Harold E. R. XML 1.1 Bible. – Third Edition. – Indianapolis, IN, USA: Wiley Publishing, Inc., 2004. – xxxii + 1022 p. // https://www.wiley.com/en-br/XML+1.1+Bible%2C+3rd+Edition-p-9780764549861 (accessed 10 January 2026)

Le Système international d’unités / The International System of Units [Brochure] // Bureau International des Poids et Mesures. – 9th Edition. – 2019. – V3.02. – August 2025. – 218 p. // https://www.bipm.org/en/publications/si-brochure (accessed 10 January 2026)

Saint-André P., Smith K., Tronçon R. XMPP: The Definitive Guide: Building Real-Time Applications with Jabber Technologies. – Sebastopol, CA, USA: O’Reilly Media, Inc., 2009. – xviii + 288 p. // https://www.oreilly.com/library/view/xmpp-the-definitive/9780596157524 (accessed 10 January 2026)

Sellers M. J. Advanced Game Design: A Systems Approach. – Hoboken, NJ, USA: Pearson Education Inc., 2018. – xiv + 441 p. // https://www.informit.com/store/advanced-game-design-a-systems-approach-9780134667607 (accessed 10 January 2026)

Oikarinen J., Reed D. RFC 1459: Internet Relay Chat Protocol. – The Internet Engineering Task Force (IETF). – May 1993 // https://datatracker.ietf.org/doc/html/rfc1459 (accessed 10 January 2026)

Vaudreuil G. RFC 1893: Enhanced Mail System Status Codes. – The Internet Engineering Task Force (IETF). – January 1996 // https://datatracker.ietf.org/doc/html/rfc1893 (accessed 10 January 2026)

Bradner S. RFC 2026: The Internet Standards Process — Revision 3. – The Internet Engineering Task Force (IETF). – October 1996 // https://datatracker.ietf.org/doc/rfc2026 (accessed 10 January 2026)

Bradner S. RFC 2119: Key words for use in RFCs to Indicate Requirement Levels. – The Internet Engineering Task Force (IETF). – March 1997 // https://datatracker.ietf.org/doc/html/rfc2119 (accessed 10 January 2026)

Fielding R., Gettys J., Mogul J., Frystyk H., Masinter L., Leach P., Berners-Lee T. RFC 2616: Hypertext Transfer Protocol — HTTP/1.1. – The Internet Engineering Task Force (IETF). – June 1999 // https://datatracker.ietf.org/doc/html/rfc2616 (accessed 10 January 2026)

Day M., Aggarwal S., Mohr G., Vincent J. RFC 2779: Instant Messaging / Presence Protocol Requirements. – The Internet Society. – 2000 // https://datatracker.ietf.org/doc/html/rfc2779 (accessed 10 January 2026)

Kalt C. RFC 2810: Internet Relay Chat: Architecture. – The Internet Engineering Task Force (IETF). – April 2000 // https://datatracker.ietf.org/doc/html/rfc2810 (accessed 10 January 2026)

Kalt C. RFC 2811: Internet Relay Chat: Channel Management. – The Internet Engineering Task Force (IETF). – April 2000 // https://datatracker.ietf.org/doc/html/rfc2811 (accessed 10 January 2026)

Kalt C. RFC 2812: Internet Relay Chat: Client Protocol. – The Internet Engineering Task Force (IETF). – April 2000 // https://datatracker.ietf.org/doc/html/rfc2812 (accessed 10 January 2026)

Kalt C. RFC 2813: Internet Relay Chat: Server Protocol. – The Internet Engineering Task Force (IETF). – April 2000 // https://datatracker.ietf.org/doc/html/rfc2813 (accessed 10 January 2026)

Saint-André P. RFC 3920: Extensible Messaging and Presence Protocol (XMPP): Core. – The Internet Engineering Task Force (IETF). – October 2004 // https://xmpp.org/rfcs/rfc3920.html (accessed 10 January 2026)

Saint-André P. RFC 3921: Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence. – The Internet Engineering Task Force (IETF). – October 2004 // https://xmpp.org/rfcs/rfc3921.html (accessed 10 January 2026)

Leach P., Mealling M., Salz R. RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace. – The Internet Engineering Task Force (IETF). – July 2005 // https://datatracker.ietf.org/doc/html/rfc4122 (accessed 10 January 2026)

Saint-André P. RFC 6120: Extensible Messaging and Presence Protocol (XMPP): Core. – The Internet Engineering Task Force (IETF). – March 2011 // https://xmpp.org/rfcs/rfc6120.html (accessed 10 January 2026)

Saint-André P. RFC 6121: Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence. – The Internet Engineering Task Force (IETF). – March 2011 // https://xmpp.org/rfcs/rfc6121.html (accessed 10 January 2026)

Saint-André P. RFC 6122: Extensible Messaging and Presence Protocol (XMPP): Address Format. – The Internet Engineering Task Force (IETF). – March 2011 // https://datatracker.ietf.org/doc/rfc6122 (accessed 10 January 2026)

Fette I., Melnikov A. RFC 6455: The WebSocket Protocol. – The Internet Engineering Task Force (IETF). – December 2011 // https://datatracker.ietf.org/doc/html/rfc6455 (accessed 10 January 2026)

Stout L., Moffitt J., Cestari E. RFC 7395: An Extensible Messaging and Presence Protocol (XMPP) Subprotocol for WebSocket. – The Internet Engineering Task Force (IETF). – October 2014 // https://datatracker.ietf.org/doc/rfc7395 (accessed 10 January 2026)

Saint-André P., Alkemade T. RFC 7590: Use of Transport Layer Security (TLS) in the Extensible Messaging and Presence Protocol (XMPP). – The Internet Engineering Task Force (IETF). – June 2015 // https://datatracker.ietf.org/doc/rfc7590 (accessed 10 January 2026)

Saint-André P. RFC 7622: Extensible Messaging and Presence Protocol (XMPP): Address Format. – The Internet Engineering Task Force (IETF). – September 2015 // https://datatracker.ietf.org/doc/rfc7622 (accessed 10 January 2026)

Leiba B. RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words. – The Internet Engineering Task Force (IETF). – May 2017 // https://tools.ietf.org/rfc/rfc8174.txt (accessed 10 January 2026)

Saint-André P., Cridland D., Meijer R. XEP-0001: XMPP Extension Protocols. – The XMPP Standards Foundation (XSF). – Version 1.25.0 (2024-03-11) // https://xmpp.org/extensions/xep-0001.html (accessed 10 January 2026)

Eatmon R., Hildebrand J., Miller J., Muldowney T., Saint-André P. XEP-0004: Data Forms. – The XMPP Standards Foundation (XSF). – Version 2.13.2 (2024-08-30) // https://xmpp.org/extensions/xep-0004.html (accessed 10 January 2026)

Millard P., Saint-André P. XEP-0016: Privacy Lists. – The XMPP Standards Foundation (XSF). – Version 1.7 (2017-05-20) // https://xmpp.org/extensions/xep-0016.html (accessed 10 January 2026)

Hildebrand J., Millard P., Eatmon R., Saint-André P. XEP-0030: Service Discovery. – The XMPP Standards Foundation (XSF). – Version 2.5.0 (2024-04-30) // https://xmpp.org/extensions/xep-0030.html (accessed 10 January 2026)

Hildebrand J., Saint-André P. XEP-0033: Extended Stanza Addressing. – The XMPP Standards Foundation (XSF). – Version 1.2.1 (2017-01-11) // https://xmpp.org/extensions/xep-0033.html (accessed 10 January 2026)

Saint-André P. XEP-0045: Multi-User Chat. – The XMPP Standards Foundation (XSF). – Version 1.35.1 (2024-09-17) // https://xmpp.org/extensions/xep-0045.html (accessed 10 January 2026)

Miller M. XEP-0050: Ad-Hoc Commands. – The XMPP Standards Foundation (XSF). – Version 1.3.0 (2020-06-09) // https://xmpp.org/extensions/xep-0050.html (accessed 10 January 2026)

Saint-André P. XEP-0055: Jabber Search. – The XMPP Standards Foundation (XSF). – Version 1.3 (2009-09-15) // https://xmpp.org/extensions/xep-0055.html (accessed 10 January 2026)

Paterson I., Saint-André P., Mercier V., Seguineau J.-L. XEP-0059: Result Set Management. – The XMPP Standards Foundation (XSF). – Version 1.0 (2006-09-20) // https://xmpp.org/extensions/xep-0059.html (accessed 10 January 2026)

Millard P., Saint-André P., Meijer R. XEP-0060: Publish-Subscribe. – The XMPP Standards Foundation (XSF). – Version 1.28.0 (2025-09-11) // https://xmpp.org/extensions/xep-0060.html (accessed 10 January 2026)

Hildebrand J., Saint-André P. XEP-0068: Field Standardization for Data Forms. – The XMPP Standards Foundation (XSF). – Version 1.3.0 (2020-05-05) // https://xmpp.org/extensions/xep-0068.html (accessed 10 January 2026)

Saint-André P. XEP-0071: XHTML-IM. – The XMPP Standards Foundation (XSF). – Version 1.5.4 (2018-03-08) // https://xmpp.org/extensions/xep-0071.html (accessed 10 January 2026)

Saint-André P. XEP-0077: In-Band Registration. – The XMPP Standards Foundation (XSF). – Version 2.4 (2012-01-25) // https://xmpp.org/extensions/xep-0077.html (accessed 10 January 2026)

Saint-André P., Markmann T. XEP-0082: XMPP Date and Time Profiles. – The XMPP Standards Foundation (XSF). – Version 1.1.1 (2021-08-31) // https://xmpp.org/extensions/xep-0082.html (accessed 10 January 2026)

Saint-André P., Smith D. XEP-0085: Chat State Notifications. – The XMPP Standards Foundation (XSF). – Version 2.1 (2009-09-23) // https://xmpp.org/extensions/xep-0085.html (accessed 10 January 2026)

Saint-André P. XEP-0091: Legacy Delayed Delivery. – The XMPP Standards Foundation (XSF). – Version 1.4 (2009-05-27) // https://xmpp.org/extensions/xep-0091.html (accessed 10 January 2026)

Saint-André P. XEP-0128: Service Discovery Extensions. – The XMPP Standards Foundation (XSF). – Version 1.0.1 (2019-07-30) // https://xmpp.org/extensions/xep-0128.html (accessed 10 January 2026)

Saint-André P. XEP-0133: Service Administration. – The XMPP Standards Foundation (XSF). – Version 1.3.1 (2024-09-01) // https://xmpp.org/extensions/xep-0133.html (accessed 10 January 2026)

Saint-André P. XEP-0134: XMPP Design Guidelines. – The XMPP Standards Foundation (XSF). – Version 1.1 (2004-12-09) // https://xmpp.org/extensions/xep-0134.html (accessed 10 January 2026)

Saint-André P. XEP-0143: Guidelines for Authors of XMPP Extension Protocols. – The XMPP Standards Foundation (XSF). – Version 1.1.2 (2016-12-02) // https://xmpp.org/extensions/xep-0143.html (accessed 10 January 2026)

Saint-André P. XEP-0147: XMPP URI Scheme Query Components. – The XMPP Standards Foundation (XSF). – Version 1.2 (2006-09-13) // https://xmpp.org/extensions/xep-0147.html (accessed 10 January 2026)

Saint-André P., Smith K. XEP-0163: Personal Eventing Protocol. – The XMPP Standards Foundation (XSF). – Version 1.2.2 (2022-02-16) // https://xmpp.org/extensions/xep-0163.html (accessed 10 January 2026)

Fletcher B., LaPrade D., Lirette K., Raymond B. XEP-0171: Language Translation. – The XMPP Standards Foundation (XSF). – Version 1.1.1 (2015-10-15) // https://xmpp.org/extensions/xep-0171.html (accessed 10 January 2026)

Saint-André P. XEP-0196: User Gaming. – The XMPP Standards Foundation (XSF). – Version 0.3 (2008-09-25) // https://xmpp.org/extensions/xep-0196.html (accessed 10 January 2026)

Saint-André P. XEP-0199: XMPP Ping. – The XMPP Standards Foundation (XSF). – Version 2.0.1 (2019-03-26) // https://xmpp.org/extensions/xep-0199.html (accessed 10 January 2026)

Saint-André P. XEP-0203: Delayed Delivery. – The XMPP Standards Foundation (XSF). – Version 2.0 (2009-09-15) // https://xmpp.org/extensions/xep-0203.html (accessed 10 January 2026)

Saint-André P. XEP-0245: The /me Command. – The XMPP Standards Foundation (XSF). – Version 1.0 (2009-01-21) // https://xmpp.org/extensions/xep-0245.html (accessed 10 January 2026)

Saint-André P. XEP-0249: Direct MUC Invitations. – The XMPP Standards Foundation (XSF). – Version 1.2 (2011-09-22) // https://xmpp.org/extensions/xep-0249.html (accessed 10 January 2026)

Simons S., Harries D., Wißfeld M. XEP-0272: Multiparty Jingle (Muji). – The XMPP Standards Foundation (XSF). – Version 0.2.0 (2024-08-21) // https://xmpp.org/extensions/xep-0272.html (accessed 10 January 2026)

Hildebrand J., Moffitt J., Saint-André P. XEP-0273: Stanza Interception and Filtering Technology (SIFT). – The XMPP Standards Foundation (XSF). – Version 0.4 (2011-06-27) // https://xmpp.org/extensions/xep-0273.html (accessed 10 January 2026)

Hildebrand J., Miller M., Lukas G. XEP-0280: Message Carbons. – The XMPP Standards Foundation (XSF). – Version 1.0.1 (2021-12-26) // https://xmpp.org/extensions/xep-0280.html (accessed 10 January 2026)

Grote T., König A., Nieß G. XEP-xxxx: Multi-User Gaming. – The XMPP Standards Foundation (XSF). – Version 0.0.3 (2009-04-20) // https://xmpp.org/extensions/inbox/multi-user_gaming.html (accessed 10 January 2026)