21. In the OSI model, the definition of its application layer is narrower in scope. 22. From a technical perspective, it is an application layer communications protocol for federated real-time communication. 23. The transport layer and lower-level layers are unconcerned with the specifics of application layer protocols. 24. Application Layer : tracking cookies or browser fingerprinting and Link Layer : IMSI-catcher or IBeacon25. SIP is an application layer protocol designed to be independent of the underlying transport layer. 26. I'm looking for guidelines and best practices for the design of these application layer protocols. 27. L7-Filter is a classifier for Linux's Netfilter that identifies packets based on application layer data. 28. An odd and an even port were reserved for each application layer application or protocol. 29. HTTP is an application layer protocol designed within the framework of the Internet protocol suite. 30. Application layer transparency is symmetric when the same working mode is used on both the sides.
