Distributed Social Networking

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 Distributed Social Networking Bastian Hofmann VZnet Netzwerke Ltd.

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Agenda• WebFinger • OExchange• Well-‐Known URIs • XAuth• Web Host Meta Data • OEmbed• XRD • SWAT0• Portable Contacts• AcLvity Strea.ms• PubSubHubbub• Salmon

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 nikko russano*

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010... you could not send a mail to another provider

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010... you could not call your friends at another carrier

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Back to reality

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Meet Bill and Steve

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Bill want‘s to know more about Steve paurian

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 In the old days: Fingerbhofmann@svz-pcn-107 ~ $ finger bhofmannLogin: bhofmann Name: Bastian HofmannDirectory: /Users/bhofmann Shell: /bin/bashOn since Di 14 Sep 21:45 (CEST) on console, idle 1:36 (messagesoff)On since Di 14 Sep 23:02 (CEST) on ttys000No Mail.No Plan.

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Now: WebFinger hUp://code.google.com/p/webﬁnger/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010hCp://example.com/.well-‐known/host-‐meta<?xml version=1.0 encoding=UTF-8?><XRD xmlns=http://docs.oasis-open.org/ns/xri/xrd-1.0 xmlns:hm=http://host-meta.net/xrd/1.0> <hm:Host>example.com</hm:Host> <Link rel=lrdd template=http://example.com/describe?uri={uri}> <Title>Resource Descriptor</Title> </Link></XRD> hUp://tools.ieZ.org/html/dra[-‐nongham-‐site-‐meta hUp://tools.ieZ.org/html/dra[-‐hammer-‐hostmeta hUp://docs.oasis-‐open.org/xri/xrd/v1.0/xrd-‐1.0.html

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 hCp://example.com/describe? uri=acct:joe@example.com<?xml version=1.0 encoding=UTF-8?><XRD xmlns=http://docs.oasis-open.org/ns/xri/xrd-1.0> <Subject>acct:joe@example.com</Subject> <Alias>http://example.com/profiles/joe</Alias> <Link rel=http://portablecontacts.net/spec/1.0 href=http://example.com/api/people/ /> <Link rel=http://webfinger.net/rel/profile-page type=text/html href=http://example.com/profiles/joe /> <Link rel=describedby type=text/html href=http://example.com/profiles/joe /> <Link rel=http://webfinger.net/rel/avatar href=http://example.com/profiles/joe/photo /></XRD>

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Portable Contacts • standardized access to user data and their relaLons (Social Graph) • simple to use { "id" : "example.org:34KJDCSKJN2HHF0DW20394", "displayName" : "Janey", "name" : {"unstructured" : "Jane Doe"}, "gender" : "female" } hUp://portablecontacts.net/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 DEMO

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010He want‘s to follow Steve‘s status updates

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010AcQvityStrea.ms• Standard for a stream of acLviLes (Feed)• Atom basedhUp://acLvitystrea.ms/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 PubSubHubbub retrieves Atom feed with Hub URL subscribes for feed acks Hub subscripLon pings every posts sth subscriberhUp://code.google.com/p/pubsubhubbub/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Now Bill menQons Steve to his pal have a look at @steve stream

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010and what about Comments? new macs will have IE9 I would‘ve chosen Chrome

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010SalmonhUp://www.salmon-‐protocol.org/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Bill is now on his favourite Video Portal

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010He want‘s to share a video with his friends... but his favourite social network has no sharing buUon at YouTube

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Nascar Problem

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010XAuth hUp://xauth.org/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010XAuth at Provider• 100% Client Technology Login xauth.org/xauth.js XAuth.extend({ token: "1", expire: new Date().getTime() + 60*60*24*1000, extend: ["*"], });

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010XAuth at Consumer •But static server on central domain needed Visits xauth.org/xauth.js XAuth.retrieve({ retrieve: [xauth.org], callback: receiveTokens });

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010OExchange• Common API for publishing sth. into social networks http://www.example.com/share.php?url={URI}&title= {title for the content}&description={short description of the content}&ctype=flash&swfurl={SWF URI}&height= {preferred SWF height}&width={preferred swf width} &screenshot={screenshot URI} hUp://www.oexchange.org/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Discovery over XRD <?xml version=1.0 encoding=UTF-8?> <XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"> <Subject>http://www.example.com/linkeater</Subject> <Property type="http://www.oexchange.org/spec/0.8/prop/vendor"> Examples Inc.</Property> <Property type="http://www.oexchange.org/spec/0.8/prop/title"> A Link-Accepting Service</Property> <Link rel= "icon" href="http://www.example.com/favicon.ico" type="image/vnd.microsoft.icon" /> <Link rel= "http://www.oexchange.org/spec/0.8/rel/offer" href="http://www.example.com/linkeater/offer.php" type="text/html" /> </XRD>

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Now there is a link in his status update cool video: hUp://www.youtube.com/ watch?v=OFzkTxiwziQ

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010OEmbed• Retrieves embeddable content for a given link http://www.flickr.com/services/oembed/?url=http%3A// www.flickr.com/photos/bees/2341623661/ { "version": "1.0", "type": "photo", "width": 240, "height": 160, "title": "ZB8T0193", "url": "http://farm4.static.flickr.com/ 3123/2341623661_7c99f48bbf_m.jpg", "author_name": "Bees", "author_url": "http://www.flickr.com/photos/bees/", "provider_name": "Flickr", "provider_url": "http://www.flickr.com/" } hUp://oembed.com/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010OEmbed Discovery • Discoverable through meta tags at original resource <link rel="alternate" type="application/json+oembed" href="http://flickr.com/services/oembed? url=http%3A//flickr.com/photos/bees/2362225867/&format=json" title="Bacon Lollys oEmbed Profile" /> <link rel="alternate" type="text/xml+oembed" href="http://flickr.com/services/oembed? url=http%3A//flickr.com/photos/bees/2362225867/&format=xml" title="Bacon Lollys oEmbed Profile" />

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010The embedded result cool video:

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010OEmbed AggregaQon •embed.ly •supports 112 services over one endpoint •several libraries •easy implementation hUp://embed.ly/

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Many standards available

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010But sQll much to be done• Friends and Friendships• Privacy• Access Control• What is the right idenLﬁer?• More than one provider with one E-‐Mail Address?• Wide adopLon• Easy implementaLon

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Many projects -‐ one common goal hUp://federatedsocialweb.net

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010And many people working on it hUp://federatedsocialweb.net

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010Social Web Acid Test -‐ Level 0 factoryjoe

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010How far is VZnet? • OpenSocial •Salmon • OEmbed •XAuth • OExchange • XRD • PortableContacts • AcLvityStrea.ms • OpenID • WebFinger • PubsubHubbub

VZnet Netzwerke Ltd. -‐ Monday, December 6, 2010 Thank youhUp://twiUer.com/BasLanHofmannhUp://studivz.net/basLanhUp://slideshare.net/bashofmannbhofmann@vz.nethUp://developer.studivz.net

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Distributed Social Networking

by Bastian Hofmann on Dec 08, 2010

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