In welchen Layers des ISO/OSI Models wird HTTP, HTTPS, SMTP, FTP benutzt?
Welche Layers des ISO/OSI Model verwenden UDP, TCP?
Welche Layers des ISO/OSI Model verwenden IP(v4, v6)?
Welche Layers des ISO/OSI Model verwenden LAN, MAN, High-Speed LAN?
What does the Transport Layer do?
Provides the actual communication facilities for most distributed systems
Uses:
TCP (Transmission Control Protocol)
UDP (User Datagram Protocol)
What is the difference between TCP and UDP?
TCP (Transmission Control Protocol):
Connection-oriented, reliable, stream-oriented communication
UDP (User Datagram Protocol):
Unreliable (best- effort) datagram communication
What to do if different applications need common functionalities, e.g., for fault tolerance, security, or synchronization?
Middleware Layer:
A rich set of communication protocols
(Un)marshaling of data, necessary for integrated systems
Naming protocols
Security protocols
Scaling mechanisms
What is the diffrence between transient and persistent communication?
Transient:
Communicating server discards message if it cannot be delivered at the next server, or at the receiver
Persistent:
Message is stored at communicating server as long as it takes to deliver it
What is the difference between synchronous and asynchronous communication?
Synchronous:
Sender is blocked until its request is known to be accepted or completely processed
Asynchronous:
No such functionality
Last changeda year ago