top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the difference between Service Data Unit and Packet Data Unit?

+4 votes
1,541 views
What is the difference between Service Data Unit and Packet Data Unit?
posted Dec 9, 2013 by anonymous

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

+2 votes

.Service Data Unit
• Set of data sent by a user of the services of a given layer.
• Transmitted to the peer service user semantically unchanged.

Protocol Data Unit
• Unit of data exchanged between peer layers in a network.
• May contain control information, addressing, and data

answer Dec 9, 2013 by Giri Prasad
Similar Questions
0 votes
How to query the dns using python, and how to analyze the passive dns data packet for ddos attack?

Please give me some idea about how we can query the DNS
How you have divided the passive dns functioning into two parts as recursor and resolver.
Can you please give some idea about how they function, and when they are employed after the query is submitted to the pdns
How the data packet will be analyzed for ddos attack.

0 votes
What is the difference between SNAT and DNAT for an interface ?

There is a concept of NATing using which interface modifies IP addresses. I want to understand real use case of source natting and destination natting.

...