Web AcronymsEverything You Want to Know About WEBBut Were Afraid to Ask
internetWWWserverdata centerIP addressdomain namehostingWhat is:HTMLHTML5JavaScriptCSSweb browsershttphttpsftpemailcloud
InternetThe Internet is a globalsystem of interconnectedcomputer networks.http://www.youtube.com/watch?v=iDbyYGrswtgThe Wo...
Internet map
Internet traffic
Looking for more information?Chris Harrisonwww.chrisharrison.net/index.php/Visualizations/InternetMap/The Dimes Projectwww...
Servers and data centers (DC)ServerIn most common use, server is a physicalcomputer dedicated to running one or moresuch s...
IP address, domain name, hostingIP addressAn Internet Protocol address (IP address) is a numerical labelassigned to each d...
Happy WebsiteServer-SideMedia(images, videos, sounds)HTMLCSSJavaScript
HTMLHyperText Markup Language(HTML) is the main markuplanguage for displaying web pagesand other information that can bedi...
Real example
CSS - Cascading Style SheetsCSS is a style sheet languageused for describing thepresentation semantics (thelook and format...
JavaScriptJavaScript (sometimesabbreviated JS) is a scriptinglanguage.JavaScript was formalized in theECMAScript language ...
web browsersThe first web browserwas invented in 1990 bySir Tim Berners-Lee.In 1993, browsersoftware was furtherinnovated ...
Browser market share April 2012
ProtocolsHTTPThe Hypertext Transfer Protocol (HTTP) is an application protocolfor distributed, collaborative, hypermedia i...
EmailPOP3Post Office Protocol (POP) is anapplication-layer Internet standardprotocol used by local e-mail clientsto retrie...
Why we shouldnt send big filesvia email?Email standards such as MIME dontspecify any file size limits, but inpractice emai...
CLOUDCloud computing is the deliveryof computing and storagecapacity as a service to acommunity of end-recipients.The name...
So... what actually Cloud isabout?Its just the way howdata and services arestored.No limitations, pay forwhat you use.Easy...
Hello World Website<html><header><title></title></header><body><p>Hello World</p></body></html>
Web acronyms
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Everything You Want To Know About Web But Were Afraid To Ask

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Web acronyms

  1. 1. Web AcronymsEverything You Want to Know About WEBBut Were Afraid to Ask
  2. 2. internetWWWserverdata centerIP addressdomain namehostingWhat is:HTMLHTML5JavaScriptCSSweb browsershttphttpsftpemailcloud
  3. 3. InternetThe Internet is a globalsystem of interconnectedcomputer networks.http://www.youtube.com/watch?v=iDbyYGrswtgThe World Wide Web(abbreviated as WWW orW3, commonly known as theWeb or the "InformationSuperhighway"), is a systemof interlinked hypertextdocuments accessed via theInternet.The origins of the Internet reachback to research of the 1960s.United States government buildrobust, fault-tolerant, anddistributed computer networks.The commercialization of what wasby the 1990s an internationalnetwork resulted in itspopularization and incorporation intovirtually every aspect of modernhuman life.As of 2011, more than 2.2 billionpeople – nearly a third of Earthspopulation — use the services of theInternet.
  4. 4. Internet map
  5. 5. Internet traffic
  6. 6. Looking for more information?Chris Harrisonwww.chrisharrison.net/index.php/Visualizations/InternetMap/The Dimes Projectwww.netdimes.orgWhat does the Internet look like?How does it evolve?DIMES is a distributed scientificresearch project, aimed to study thestructure and topology of theInternet, with the help of avolunteer community (similar inspirit to projects such asSETI@Home).
  7. 7. Servers and data centers (DC)ServerIn most common use, server is a physicalcomputer dedicated to running one or moresuch services (as a host),to serve the needs ofusers of the other computers on the network.Special program designed to provide service.(email server, FTP server, web server)If regular computer can be a server?Data CenterA data center or computer centre (alsodatacenter) is a facility used to housecomputer systems and associatedcomponents, such as telecommunicationsand storage systems.
  8. 8. IP address, domain name, hostingIP addressAn Internet Protocol address (IP address) is a numerical labelassigned to each device (e.g., computer, printer) participating ina computer network that uses the Internet Protocol forcommunication.In IPv4 an address consists of 32 bits which limits the addressspace to 4 294 967 296.example: 203.45.29.198A domain name is an identification string that definesa realm of administrative autonomy, authority, orcontrol on the Internet. Domain names are formed bythe rules and procedures of the Domain Name System(DNS).imagination.com, google.com, ebay.com.auwhere is www. ?hosting A web hosting service is a type of Internet hosting service thatallows individuals and organizations to make their websiteaccessible via the World Wide Web.domain name
  9. 9. Happy WebsiteServer-SideMedia(images, videos, sounds)HTMLCSSJavaScript
  10. 10. HTMLHyperText Markup Language(HTML) is the main markuplanguage for displaying web pagesand other information that can bedisplayed in a web browser.In 1980, physicist Tim Berners-Lee, who was a contractor at CERN, proposed andprototyped ENQUIRE, a system for CERN researchers to use and share documents. In1989, Berners-Lee wrote a memo proposing an Internet-based hypertext system.Berners-Lee specified HTML and wrote the browser and server software in the lastpart of 1990.First specificationsThe first publicly available description of HTML was a document called "HTML Tags",first mentioned on the Internet by Berners-Lee in late 1991. It describes 18 elementscomprising the initial, relatively simple design of HTML. Eleven of these elementsstill exist in HTML 4.
  11. 11. Real example
  12. 12. CSS - Cascading Style SheetsCSS is a style sheet languageused for describing thepresentation semantics (thelook and formatting) of adocument written in a markuplanguage.CSS is designed primarily toenable the separation ofdocument content (written inHTML or a similar markuplanguage) from documentpresentation, includingelements such as the layout,colors, and fonts
  13. 13. JavaScriptJavaScript (sometimesabbreviated JS) is a scriptinglanguage.JavaScript was formalized in theECMAScript language standardand is primarily used in the formof client-side JavaScript,implemented as part of a Webbrowser in order to giveenhanced user interfaces anddynamic websites. This enablesprogrammatic access tocomputational objects within ahost environment.
  14. 14. web browsersThe first web browserwas invented in 1990 bySir Tim Berners-Lee.In 1993, browsersoftware was furtherinnovated by MarcAndreessen with therelease of Mosaic (laterNetscape), "the worldsfirst popular browser" why bother?
  15. 15. Browser market share April 2012
  16. 16. ProtocolsHTTPThe Hypertext Transfer Protocol (HTTP) is an application protocolfor distributed, collaborative, hypermedia information systems.HTTP is the foundation of data communication for the World WideWeb.HTTPSSame as above but encryptedFTPFile Transfer Protocol (FTP) is a standard network protocol used totransfer files from one host to another host over a TCP-basednetwork, such as the Internet.
  17. 17. EmailPOP3Post Office Protocol (POP) is anapplication-layer Internet standardprotocol used by local e-mail clientsto retrieve e-mail from a remoteserver over a TCP/IP connectionSMTPSimple Mail Transfer Protocol (SMTP)is an Internet standard for electronicmail (e-mail) transmission acrossInternet Protocol (IP) networkIMAPThe Internet Message Access Protocolis an Application Layer Internetprotocol that allows an e-mail clientto access e-mail on a remote mailserver.Electronic mail, alsoknown as email or e-mail, is a method ofexchanging digitalmessages from an authorto one or morerecipients.In 1971 the firstARPANET email was sent
  18. 18. Why we shouldnt send big filesvia email?Email standards such as MIME dontspecify any file size limits, but inpractice email users will find thatthey cant send very large files.As an example, when Googles gmailservice increased its arbitrary limitto 25MB it warned that: "you may notbe able to send larger attachmentsto contacts who use other emailservices with smaller attachmentlimits".In general, 10MB is considered safefor the maximum size of an email,But why ?base64The particular choice of characterset selected for the 64 charactersrequired for the base varies betweenimplementations.Each attachments grows +30% from itoriginal size
  19. 19. CLOUDCloud computing is the deliveryof computing and storagecapacity as a service to acommunity of end-recipients.The name comes from the use ofa cloud-shaped symbol as anabstraction for the complexinfrastructure.Cloud computing entrustsservices with a users data,software and computation over anetwork.cloud storage, cloud music, cloud...
  20. 20. So... what actually Cloud isabout?Its just the way howdata and services arestored.No limitations, pay forwhat you use.Easy marketing tool.Dropbox,iCloud,Gmail,Google Drive,Amazon AWS
  21. 21. Hello World Website<html><header><title></title></header><body><p>Hello World</p></body></html>
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