Learn about presence, instant messaging, and email.
- [Instructor] Almost all modern workstations…now have applications to determine the presence of the user.…These presence utilities indicate whether a user…is available and their status,…such as online, busy, out to lunch,…in a meeting, or other common categories.…In the old days, many organizations…had a physical tracking board,…to know where their employees were.…But these days, most tracking is done online…through presence-enabled applications.…These presence utilities are generally embedded…into other communication tools,…such as voice over IP systems,…instant messaging services,…and even our email clients.…
The major issue with presence utilities…is that many don't include authentication…or provide confidentiality of the user.…Instead, they often rely on the underlying application,…such as the email client or the chat program…for those functions.…If you're architecting a new system…that will use presence as one of its features,…you should look for utility that relies…on a secure communication protocol,…like the extensible messaging and presence protocol,…
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What next?3m 9s
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