Zusammenfassung der Ressource
TCP
- Characteristics
- Reliable
- Connection based
- Connection must be
explicitely made between a
socket on the client and a
socket on the server
- Dynamic
- Adapts to
- Other Network Topologies
- Changing Bandwidths
- Network Delays
- Packet sizes
- Any other limitations
- Ports
- Reserved
- 0-1023
- Priviledged users
bind these to
standard services
- SSH port 22
- SMTP port 25
- FTP port 20-21
- HTTP port 80
- Non-Priviledged
- 1024 - 49151
- Ephemeral
- 49152 - 65535
- Also known as
dynamic ports
- Short lived
transport protocol
port
- For IP
communications
allocated from a
pre-defined range
- Sockets
- Primitives
- SOCKET
- BIND
- LISTEN
- ACCEPT
- CONNECT
- SEND
- RECEIVE
- CLOSE
- The Protocol
- TCP Segment
- TCP Header
Anlagen:
- 20 Byte Size
- Maximum Size 65515
Data + Header = 65515
Leaving room for 20byte
IP Header to make
65535 packet
- Connection Extablishment
- 3-Way Handshake