XMPP 101

XMPP 101 Remko Tronçon Peter Saint-Andre Tuesday, March 3, 2009

Overview Introduction XMPP Basics Example code Extensions State of the bulb Conclusion 2 Tuesday, March 3, 2009

Introduction Tuesday, March 3, 2009

About Us 4 Tuesday, March 3, 2009

About Us Peter: Documentation guy and speciﬁcation author 4 Tuesday, March 3, 2009

About Us Peter: Documentation guy and speciﬁcation author Remko: Developer for Psi client and other projects 4 Tuesday, March 3, 2009

About Us Peter: Documentation guy and speciﬁcation author Remko: Developer for Psi client and other projects Co-authors (with Kevin Smith) of XMPP: The Deﬁnitive Guide (O'Reilly, 2009) 4 Tuesday, March 3, 2009

About You 5 Tuesday, March 3, 2009

About You Why are you here? 5 Tuesday, March 3, 2009

About You Why are you here? What do you want to build? 5 Tuesday, March 3, 2009

About You Why are you here? What do you want to build? What is your background? (web, client-server, ...) 5 Tuesday, March 3, 2009

What is XMPP? 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML Alice Sister alice@wdland.lit sister@rlworld.lit 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML wdland.lit rlworld.lit server server Alice Sister alice@wdland.lit sister@rlworld.lit 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML wdland.lit rlworld.lit server server <message to=’sister@rlworld.lit’> <body>Hi there!</body> </message> Alice Sister alice@wdland.lit sister@rlworld.lit 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML wdland.lit rlworld.lit ... server server <message to=’sister@rlworld.lit’> <body>Hi there!</body> </message> Alice Sister alice@wdland.lit sister@rlworld.lit 6 Tuesday, March 3, 2009

What is XMPP? eXtensible Messaging and Presence Protocol Jabber Real time messaging system Routes small snippets of XML wdland.lit rlworld.lit ... server server <message to=’sister@rlworld.lit’> <message from=’alice@wland.lit’> <body>Hi there!</body> <body>Hi there!</body> </message> </message> Alice Sister alice@wdland.lit sister@rlworld.lit 6 Tuesday, March 3, 2009

What can you do with XMPP? 7 Tuesday, March 3, 2009

What can you do with XMPP? Instant Messaging 7 Tuesday, March 3, 2009

What can you do with XMPP? Real-time Social Networking 8 Tuesday, March 3, 2009

What can you do with XMPP? Gaming 9 Tuesday, March 3, 2009

What can you do with XMPP? Voice & Video 10 Tuesday, March 3, 2009

What can you do with XMPP? Mobile apps / Geolocation 11 Tuesday, March 3, 2009

What can you do with XMPP? <insert your idea here> 12 Tuesday, March 3, 2009

XMPP ... 13 Tuesday, March 3, 2009

XMPP ... ... is an open standard (RFC 3920 + 3921, XSF Extensions) 13 Tuesday, March 3, 2009

XMPP ... ... is an open standard (RFC 3920 + 3921, XSF Extensions) ... is decentralized (federated) 13 Tuesday, March 3, 2009

XMPP ... ... is an open standard (RFC 3920 + 3921, XSF Extensions) ... is decentralized (federated) ... has strong security (TLS) 13 Tuesday, March 3, 2009

XMPP ... ... is an open standard (RFC 3920 + 3921, XSF Extensions) ... is decentralized (federated) ... has strong security (TLS) ... has lots of open-source projects (but other licensing allowed) 13 Tuesday, March 3, 2009

XMPP ... ... is an open standard (RFC 3920 + 3921, XSF Extensions) ... is decentralized (federated) ... has strong security (TLS) ... has lots of open-source projects (but other licensing allowed) ... has an active, open community 13 Tuesday, March 3, 2009

What does XMPP provide? 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging Alerts and notiﬁcations (PubSub) 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging Alerts and notiﬁcations (PubSub) Service discovery and device capabilities 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging Alerts and notiﬁcations (PubSub) Service discovery and device capabilities Peer-to-peer media sessions (Jingle) 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging Alerts and notiﬁcations (PubSub) Service discovery and device capabilities Peer-to-peer media sessions (Jingle) Data forms and remote commands 14 Tuesday, March 3, 2009

What does XMPP provide? Channel encryption and authentication Presence and contact lists One-to-one and multi-party messaging Alerts and notiﬁcations (PubSub) Service discovery and device capabilities Peer-to-peer media sessions (Jingle) Data forms and remote commands And more (lots of extensions) 14 Tuesday, March 3, 2009

History 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) More open source + commercial codebases (2000+) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) More open source + commercial codebases (2000+) Core standardization in IETF as XMPP (2002-2004) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) More open source + commercial codebases (2000+) Core standardization in IETF as XMPP (2002-2004) Development of extensions (2002+) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) More open source + commercial codebases (2000+) Core standardization in IETF as XMPP (2002-2004) Development of extensions (2002+) Serious adoption by Apple, Google, LiveJournal, Nokia, Cisco, etc. (2005+) 15 Tuesday, March 3, 2009

History Invented by Jeremie Miller as Jabber (1998) First server + clients + libraries (1999-2000) More open source + commercial codebases (2000+) Core standardization in IETF as XMPP (2002-2004) Development of extensions (2002+) Serious adoption by Apple, Google, LiveJournal, Nokia, Cisco, etc. (2005+) Continuing work on improved security and more application types 15 Tuesday, March 3, 2009

Basics Tuesday, March 3, 2009

Architecture Web architecture 17 Tuesday, March 3, 2009

Architecture Web architecture Browser 17 Tuesday, March 3, 2009

Architecture Web architecture wonderland.lit images.realworld.lit Web Server Web Server Browser 17 Tuesday, March 3, 2009

Architecture E-Mail architecture 18 Tuesday, March 3, 2009

Architecture E-Mail architecture E-Mail client E-Mail client alice@wonderland.lit sister@realworld.lit 18 Tuesday, March 3, 2009

Architecture E-Mail architecture wonderland.lit rabbithole.lit realworld.lit server server server E-Mail client E-Mail client alice@wonderland.lit sister@realworld.lit 18 Tuesday, March 3, 2009

Architecture XMPP Architecture realworld.lit wonderland.lit server server XMPP client XMPP client sister@realworld.lit alice@wonderland.lit 19 Tuesday, March 3, 2009

Architecture 20 Tuesday, March 3, 2009

Architecture Client-server 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability Decentralized 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability Decentralized Robust (no single point of failure) 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability Decentralized Robust (no single point of failure) Easier to manage 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability Decentralized Robust (no single point of failure) Easier to manage No multiple hops 20 Tuesday, March 3, 2009

Architecture Client-server Client developers can focus on user experience Server developers can focus on relaibility & scalability Decentralized Robust (no single point of failure) Easier to manage No multiple hops Harder to spoof 20 Tuesday, March 3, 2009

Addresses Jabber ID (JID) 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) Domain wonderland.lit 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) User Domain alice@ wonderland.lit 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) User Domain alice@ wonderland.lit Bare JID 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) User Domain alice@ wonderland.lit 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) User Domain Resource alice@ wonderland.lit /TeaParty 21 Tuesday, March 3, 2009

Addresses Jabber ID (JID) User Domain Resource alice@ wonderland.lit /TeaParty Full JID 21 Tuesday, March 3, 2009

Streaming XML 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> <message from=quot;queen@wonderland.litquot; to=quot;madhatter@wonderland.litquot;> <body>Off with his head!</body> </message> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> <message from=quot;queen@wonderland.litquot; to=quot;madhatter@wonderland.litquot;> <body>Off with his head!</body> </message> <message from=quot;king@wonderland.litquot; to=quot;party@rooms.wonderland.litquot;> <body>You are all pardoned.</body> </message> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> <message from=quot;queen@wonderland.litquot; to=quot;madhatter@wonderland.litquot;> <body>Off with his head!</body> </message> <message from=quot;king@wonderland.litquot; to=quot;party@rooms.wonderland.litquot;> <body>You are all pardoned.</body> </message> <presence type=quot;unavailablequot;/> 22 Tuesday, March 3, 2009

Streaming XML <stream:stream> <presence/> <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> <message from=quot;queen@wonderland.litquot; to=quot;madhatter@wonderland.litquot;> <body>Off with his head!</body> </message> <message from=quot;king@wonderland.litquot; to=quot;party@rooms.wonderland.litquot;> <body>You are all pardoned.</body> </message> <presence type=quot;unavailablequot;/> </stream:stream> 22 Tuesday, March 3, 2009

Communication Primitives Stanzas: 23 Tuesday, March 3, 2009

Communication Primitives Stanzas: <message/> 23 Tuesday, March 3, 2009

Communication Primitives Stanzas: <message/> <presence/> 23 Tuesday, March 3, 2009

Communication Primitives Stanzas: <message/> <presence/> <iq/> 23 Tuesday, March 3, 2009

Message Stanzas 24 Tuesday, March 3, 2009

Message Stanzas <message from=quot;madhatter@wonderland.lit/fooquot; to=quot;alice@wonderland.litquot; type=quot;chatquot;> <body>Who are you?</body> <subject>Query</subject> </message> 24 Tuesday, March 3, 2009

Message Stanzas <message from=quot;madhatter@wonderland.lit/fooquot; to=quot;alice@wonderland.litquot; type=quot;chatquot;> <body>Who are you?</body> <subject>Query</subject> </message> From, To 24 Tuesday, March 3, 2009

Message Stanzas <message from=quot;madhatter@wonderland.lit/fooquot; to=quot;alice@wonderland.litquot; type=quot;chatquot;> <body>Who are you?</body> <subject>Query</subject> </message> From, To Types: normal, chat, groupchat, headline, error 24 Tuesday, March 3, 2009

Message Stanzas <message from=quot;madhatter@wonderland.lit/fooquot; to=quot;alice@wonderland.litquot; type=quot;chatquot;> <body>Who are you?</body> <subject>Query</subject> </message> From, To Types: normal, chat, groupchat, headline, error Payloads: Body, Subject 24 Tuesday, March 3, 2009

Presence Stanzas 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> Advertise network availability (online/ofﬂine) 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> Advertise network availability (online/ofﬂine) ‘Show’ Statuses: Away, Do Not Disturb, Extended Away, Free for chat 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> Advertise network availability (online/ofﬂine) ‘Show’ Statuses: Away, Do Not Disturb, Extended Away, Free for chat Status messages 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> Advertise network availability (online/ofﬂine) ‘Show’ Statuses: Away, Do Not Disturb, Extended Away, Free for chat Status messages Typically used for contact lists/rosters 25 Tuesday, March 3, 2009

Presence Stanzas <presence from=quot;alice@wonderland.lit/pdaquot;> <show>xa</show> <status>down the rabbit hole!</status> </presence> Advertise network availability (online/ofﬂine) ‘Show’ Statuses: Away, Do Not Disturb, Extended Away, Free for chat Status messages Typically used for contact lists/rosters Presence subscriptions 25 Tuesday, March 3, 2009

IQ Stanzas 26 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> 26 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> 26 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> Request/Response 26 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> Request/Response Workﬂows, execute commands, query information 26 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> <iq type=quot;resultquot;> <query xmlns=quot;jabber:iq:rosterquot;> <item jid=quot;alice@wonderland.litquot;/> <item jid=quot;madhatter@wonderland.litquot;/> <item jid=quot;whiterabbit@wonderland.litquot;/> </query> </iq> Request/Response Workﬂows, execute commands, query information Similar to HTTP GET, POST, PUT 26 Tuesday, March 3, 2009

IQ Stanzas Sender Receiver 27 Tuesday, March 3, 2009

IQ Stanzas IQ-get Sender Receiver 27 Tuesday, March 3, 2009

IQ Stanzas Sender Receiver IQ-result 27 Tuesday, March 3, 2009

IQ Stanzas IQ-set Sender Receiver 27 Tuesday, March 3, 2009

IQ Stanzas Sender Receiver IQ-result 27 Tuesday, March 3, 2009

IQ Stanzas 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Types: 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Types: get: Ask for information (HTTP GET) 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Types: get: Ask for information (HTTP GET) set: Provide information (HTTP POST/PUT) 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Types: get: Ask for information (HTTP GET) set: Provide information (HTTP POST/PUT) result: Returns requested information / acknowledge set 28 Tuesday, March 3, 2009

IQ Stanzas <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Types: get: Ask for information (HTTP GET) set: Provide information (HTTP POST/PUT) result: Returns requested information / acknowledge set error 28 Tuesday, March 3, 2009

Extensibility 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload e.g. XHTML bodies, Atom feeds, XML-RPC, ... 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload e.g. XHTML bodies, Atom feeds, XML-RPC, ... Namespaces to scope payloads <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload e.g. XHTML bodies, Atom feeds, XML-RPC, ... Namespaces to scope payloads <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Extensions typically developed @ XMPP Standards Foundation's 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload e.g. XHTML bodies, Atom feeds, XML-RPC, ... Namespaces to scope payloads <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Extensions typically developed @ XMPP Standards Foundation's Open, developer-friendly standards process 29 Tuesday, March 3, 2009

Extensibility Any XML child element can be used as a payload e.g. XHTML bodies, Atom feeds, XML-RPC, ... Namespaces to scope payloads <iq type=quot;getquot;> <query xmlns=quot;jabber:iq:rosterquot;/> </iq> Extensions typically developed @ XMPP Standards Foundation's Open, developer-friendly standards process Can write your own quot;privatequot; extensions for custom functionality 29 Tuesday, March 3, 2009

Asynchronicity 30 Tuesday, March 3, 2009

Asynchronicity Web 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response Short-lived connections 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response Short-lived connections Jabber 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response Short-lived connections Jabber Long lived connection 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response Short-lived connections Jabber Long lived connection Events are sent out / come in asynchronously 30 Tuesday, March 3, 2009

Asynchronicity Web Send request to server Wait for response Short-lived connections Jabber Long lived connection Events are sent out / come in asynchronously Different mindsets! 30 Tuesday, March 3, 2009

Code Example Tuesday, March 3, 2009

Echo bot 32 Tuesday, March 3, 2009

Echo bot Bots 32 Tuesday, March 3, 2009

Echo bot Bots Unmanned clients 32 Tuesday, March 3, 2009

Echo bot Bots Unmanned clients Connect to an XMPP server, and wait for commands / send events 32 Tuesday, March 3, 2009

Echo bot Bots Unmanned clients Connect to an XMPP server, and wait for commands / send events Echo bot 32 Tuesday, March 3, 2009

Echo bot Bots Unmanned clients Connect to an XMPP server, and wait for commands / send events Echo bot Echoes back every message that it receives 32 Tuesday, March 3, 2009

Tuesday, March 3, 2009

Writing the Echo Bot 34 Tuesday, March 3, 2009

Writing the Echo Bot Select a language to work in 34 Tuesday, March 3, 2009

Writing the Echo Bot Select a language to work in e.g. Python 34 Tuesday, March 3, 2009

Writing the Echo Bot Select a language to work in e.g. Python Select an XMPP library to do the low-level XMPP work 34 Tuesday, March 3, 2009

Writing the Echo Bot Select a language to work in e.g. Python Select an XMPP library to do the low-level XMPP work e.g. SleekXMPP 34 Tuesday, March 3, 2009

Writing the Echo Bot Select a language to work in e.g. Python Select an XMPP library to do the low-level XMPP work e.g. SleekXMPP Start coding 34 Tuesday, March 3, 2009

SleekXMPP Python Echo Bot class EchoBot : def __init__(self, jid, password) : self.xmpp = sleekxmpp.ClientXMPP(jid, password) self.xmpp.add_event_handler(quot;session_startquot;, self.handleXMPPConnected) self.xmpp.add_event_handler(quot;messagequot;, self.handleIncomingMessage) def run(self) : self.xmpp.connect() self.xmpp.process(threaded=False) def handleXMPPConnected(self, event): self.xmpp.sendPresence(pstatus = quot;Send me a messagequot;) def handleIncomingMessage(self, message) : self.xmpp.sendMessage(message[quot;jidquot;], message[quot;messagequot;]) def main() : bot = EchoBot(quot;echobot@wonderland.lit/HelloWorldquot;, quot;mypassquot;) bot.run() 35 Tuesday, March 3, 2009

Extensions Tuesday, March 3, 2009

Multi-User Chat 37 Tuesday, March 3, 2009

Multi-User Chat 38 Tuesday, March 3, 2009

Multi-User Chat Conversation with multiple users 38 Tuesday, March 3, 2009

Multi-User Chat Conversation with multiple users Shared roster (with presence from all participating users) 38 Tuesday, March 3, 2009

Multi-User Chat Conversation with multiple users Shared roster (with presence from all participating users) Crowd control 38 Tuesday, March 3, 2009

Multi-User Chat Conversation with multiple users Shared roster (with presence from all participating users) Crowd control Privacy 38 Tuesday, March 3, 2009

Multi-User Chat Conversation with multiple users Shared roster (with presence from all participating users) Crowd control Privacy Conﬁgurable 38 Tuesday, March 3, 2009

Multi-User Chat Conﬁguration 39 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub HTTP client XMPP client Service 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub Poll HTTP client XMPP client Service 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub HTTP client XMPP client Service Result 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub HTTP client XMPP client Service No Result 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub HTTP client XMPP client Service Result 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub Subscribe HTTP client XMPP client Service 40 Tuesday, March 3, 2009

PubSub: Polling vs PubSub Polling PubSub HTTP client XMPP client Service Publish 40 Tuesday, March 3, 2009

PubSub 41 Tuesday, March 3, 2009

PubSub Protocol to subscribe and publish any kind of information 41 Tuesday, March 3, 2009

PubSub Protocol to subscribe and publish any kind of information Avoids needless polling for new information 41 Tuesday, March 3, 2009

PubSub Protocol to subscribe and publish any kind of information Avoids needless polling for new information Doesn’t scale with the number of users / requests 41 Tuesday, March 3, 2009

PubSub Protocol to subscribe and publish any kind of information Avoids needless polling for new information Doesn’t scale with the number of users / requests Extensible: Payload can be any type 41 Tuesday, March 3, 2009

PubSub Protocol to subscribe and publish any kind of information Avoids needless polling for new information Doesn’t scale with the number of users / requests Extensible: Payload can be any type Conﬁgurable 41 Tuesday, March 3, 2009

PubSub: Subscribing <iq from=quot;alice@wonderland.lit/rabbitholequot; id=quot;gh921nx3quot; to=quot;notify.wonderland.litquot; type=quot;setquot;> <pubsub xmlns=quot;http://jabber.org/protocol/pubsubquot;> <subscribe node=quot;queenly_proclamationsquot; jid=quot;alice@wonderland.litquot;/> </pubsub> </iq> 42 Tuesday, March 3, 2009

PubSub: Publishing events <iq from=quot;queen@wonderland.lit/croquetlawnquot; id=quot;ma019r58quot; to=quot;notify.wonderland.litquot; type=quot;setquot;> <pubsub xmlns=quot;http://jabber.org/protocol/pubsubquot;> <publish node=quot;queenly_proclamationsquot;> <item> <entry xmlns=quot;http://www.w3.org/2005/Atomquot;> <title>A new thought</title> <summary>Off with their heads!</summary> <link rel=quot;alternatequot; type=quot;text/htmlquot; href=quot;http://wonderland.lit/1865/quot;/> <id>tag:wonderland.lit,1865:entry-42</id> <published>1865-12-13T18:30:02Z</published> <updated>1865-12-13T18:30:02Z</updated> </entry> </item> </publish> </pubsub> </iq> 43 Tuesday, March 3, 2009

PubSub: Receiving events <message from=quot;notify.wonderland.litquot; to=quot;alice@wonderland.litquot;> <body>A new thought: off with their heads!</body> <event xmlns=quot;http://jabber.org/protocol/pubsub#eventquot;> <items node=quot;queenly_proclamationsquot; id=quot;bl38pahu98hquot;> <item id=quot;zi2ba967quot;> <entry xmlns=quot;http://www.w3.org/2005/Atomquot;> <title>A new thought</title> <summary>Off with their heads!</summary> <link rel=quot;alternatequot; type=quot;text/htmlquot; h ref=quot;http://wonderland.lit/1865/quot;/> <id>tag:wonderland.lit,1865:entry-42</id> <published>1865-12-13T18:30:02Z</published> <updated>1865-12-13T18:30:02Z</updated> </entry> </item> </items> </event> </message> 44 Tuesday, March 3, 2009

Extended Presence 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? What are you doing? 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? What are you doing? Used to be added to regular presence 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? What are you doing? Used to be added to regular presence Doesn’t scale 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? What are you doing? Used to be added to regular presence Doesn’t scale ‘Spams’ people with unwanted information 45 Tuesday, March 3, 2009

Extended Presence Publish extra information about yourself What music are you currently listening to? Where are you right now? What are you doing? Used to be added to regular presence Doesn’t scale ‘Spams’ people with unwanted information Implemented on top of PubSub 45 Tuesday, March 3, 2009

Extended Presence 46 Tuesday, March 3, 2009

Extended presence 47 Tuesday, March 3, 2009

Jingle 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points Negotiate what (Audio/Video) and how (UDP, TCP) you are going to send it 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points Negotiate what (Audio/Video) and how (UDP, TCP) you are going to send it Use streaming protocols (RTP,...) to stream the data over the negotiated direct connection 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points Negotiate what (Audio/Video) and how (UDP, TCP) you are going to send it Use streaming protocols (RTP,...) to stream the data over the negotiated direct connection (Renegotiation during data session) 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points Negotiate what (Audio/Video) and how (UDP, TCP) you are going to send it Use streaming protocols (RTP,...) to stream the data over the negotiated direct connection (Renegotiation during data session) NAT traversal using standard technologies 48 Tuesday, March 3, 2009

Jingle Voice, Video, Multimedia, P2P XMPP is not optimized to send data streams Use XMPP (Jingle) to set up a direct connection between points Negotiate what (Audio/Video) and how (UDP, TCP) you are going to send it Use streaming protocols (RTP,...) to stream the data over the negotiated direct connection (Renegotiation during data session) NAT traversal using standard technologies TURN, STUN, ICE 48 Tuesday, March 3, 2009

File Transfer 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza Small pieces of data are sent in a set of consequent <iq/> stanzas 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza Small pieces of data are sent in a set of consequent <iq/> stanzas Larger pieces of data are sent out of band 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza Small pieces of data are sent in a set of consequent <iq/> stanzas Larger pieces of data are sent out of band Using SOCKS5 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza Small pieces of data are sent in a set of consequent <iq/> stanzas Larger pieces of data are sent out of band Using SOCKS5 Using older Jingle-like protocol 49 Tuesday, March 3, 2009

File Transfer Various ways of transferring ﬁles Tiny pieces of data are sent in one stanza Small pieces of data are sent in a set of consequent <iq/> stanzas Larger pieces of data are sent out of band Using SOCKS5 Using older Jingle-like protocol Being extended to use Jingle 49 Tuesday, March 3, 2009

BOSH 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) Bad network connectivity 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) Bad network connectivity Bidirectional streams Over Synchronous HTTP 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) Bad network connectivity Bidirectional streams Over Synchronous HTTP XMPP over HTTP 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) Bad network connectivity Bidirectional streams Over Synchronous HTTP XMPP over HTTP Cunning mechanism of not having to poll for new messages 50 Tuesday, March 3, 2009

BOSH Regular XMPP opens one long-lived TCP connection, and keeps it up Not always convenient Long connections drain batteries on mobile phones Web clients cannot keep state (open connections) Bad network connectivity Bidirectional streams Over Synchronous HTTP XMPP over HTTP Cunning mechanism of not having to poll for new messages Piggyback incoming messages on HTTP response 50 Tuesday, March 3, 2009

BOSH POST /webclient HTTP/1.1 Host: bosh.wonderland.lit Content-Type: text/xml; charset=utf-8 Content-Length: 205 <body rid=quot;90029205quot; sid=quot;3m1ts1htd1squot; xmlns=quot;http://jabber.org/protocol/httpbindquot;> <message to=quot;sister@realworld.litquot; xmlns=quot;jabber:clientquot;> <body>Help, I fell down the rabbit hole!</body> </message> </body> 51 Tuesday, March 3, 2009

Serverless Messaging 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit Serverless messaging 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit Serverless messaging Uses zero-conﬁguration (Apple) to discover entities on the local network 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit Serverless messaging Uses zero-conﬁguration (Apple) to discover entities on the local network mDNS, DNS-SD 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit Serverless messaging Uses zero-conﬁguration (Apple) to discover entities on the local network mDNS, DNS-SD Open connection directly to other connection, and send XMPP over that connection 52 Tuesday, March 3, 2009

Serverless Messaging Sometimes, a server is not available Remote location without internet Conference location with many unknown people you want to communicate wit Serverless messaging Uses zero-conﬁguration (Apple) to discover entities on the local network mDNS, DNS-SD Open connection directly to other connection, and send XMPP over that connection iChat’s Rendez-vous/Bonjour 52 Tuesday, March 3, 2009

State of the bulb Tuesday, March 3, 2009

What is the XSF working on? 54 Tuesday, March 3, 2009

What is the XSF working on? E2E security 54 Tuesday, March 3, 2009

What is the XSF working on? E2E security Whiteboarding 54 Tuesday, March 3, 2009

What is the XSF working on? E2E security Whiteboarding File sharing / personal media networks 54 Tuesday, March 3, 2009

What is the XSF working on? E2E security Whiteboarding File sharing / personal media networks World domination 54 Tuesday, March 3, 2009

Conclusion Tuesday, March 3, 2009

Join the conversation http://xmpp.org/ mailto:jdev@jabber.org xmpp:jdev@conference.jabber.org [mailto:|xmpp:]stpeter@jabber.org [mailto:|xmpp:]remko@el-tramo.be Jabber/XMPP booth @ FOSDEM XMPP Summit on Monday 56 Tuesday, March 3, 2009

Conclusion 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming Build competitive advantage using open technologies 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming Build competitive advantage using open technologies What problems can you solve with XMPP? 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming Build competitive advantage using open technologies What problems can you solve with XMPP? Join the conversation 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming Build competitive advantage using open technologies What problems can you solve with XMPP? Join the conversation Happy Jabbering! 57 Tuesday, March 3, 2009

Conclusion The real-time Internet is coming Build competitive advantage using open technologies What problems can you solve with XMPP? Join the conversation Happy Jabbering! More info inside 57 Tuesday, March 3, 2009

http://facemain.com	748
http://el-tramo.be	242
http://blog.xmpp.org	221
http://leejava.wordpress.com	193
http://raveen.in	141
http://www.slideshare.net	84
http://xmpp.org	56
http://isoc-ny.org	4
http://edit.optimizely.com	4
http://www.techgig.com	4
url_unknown	3
http://stage.el-tramo.be	2
http://webcache.googleusercontent.com	2
http://translate.googleusercontent.com	2
http://replay.waybackmachine.org	2
http://wildfire.gigya.com	2
http://localhost	1
http://www.isoc-ny.org	1
http://static.slidesharecdn.com	1
https://si0.twimg.com	1
http://www.linkedin.com	1

XMPP 101

by Remko Tronçon

Accessibility

Categories

Upload Details

Usage Rights

21 Embeds 1,715

Statistics

XMPP 101 Presentation Transcript