Chapter 9: Transport Layer.

Chapter 9: Transport Layer.

1. Reliability of the transport layer

   • Application
     • Transport
       • Internet
         • Network access

2. Characteristics of TCP

   • Use of the organization's network
     • How the subnets will be structured
   • Establishing a session
     • Reliable delivery
       • Delivery in the same order
         • Flow control

3. Transport layer funtion

   • Independent of the destination Host
   • Temporary communication between two applications

4. Conversation multiplexing

   • Transport layer services
     • Instant messaging
       • Several web pages
         • Video chat

5. Port numbers

   • Port of origin
     • Port of destination

6. Applications that use UDP

   • • UDP
       • DCHP
         • DNS
           • SNMP
             • TFTP
               • IPVT
                 • VOLP

7. Applications that use TCP

   • TCP
     • HTTP
       • FTP
         • SMTP
           • TELNET

8. Groups of port numbers

   • Known ports
   • Registered ports
   • Dynamic or private ports

9. Protocol of the correct transport layer for the appropriate application

   • UDP
     • Provide more solid communication
       • IP telephony
   • TCP
     • The function of the transport protocol

10. Responsabilities of the transport layer

    • Track individual conversations
    • Segmentacion of data and reassembly of segments
    • Identification of applications