How is SSO implemented?

Related questions

1. What is front channel?
2. What is front channel logout?
3. What is backchannel logout?
4. How does single sign out work?
5. What is single sign on with example?
6. How does SSO work with SAML?
7. What is single logout?
8. What is the purpose of SSO?
9. Is SAML OAuth?
10. What is the purpose of single sign on?

Tags

1. #applications
2. #passwords
3. #login
4. #different
5. #single
6. #signed
7. #gains
8. #usernames
9. #credentials
10. #without
11. #access
12. #systems
13. #refers
14. #software
15. #multiple
16. #application
17. #maintaining
18. #automatically