Re: Urgent, please help! TCP "packetSize_" definition

[Polly Huang <huang@catarina.usc.edu>]

On Wed, 27 Jan 1999, Laura-Lei Liu wrote:

> Hello,
> 
> I have a question on definition of TCP packetSize_. In the following default
> parameter for each TCP agent:
> 
> Agent/TCP set packetSize_ 1000          ;packet size used by sender (bytes)
> 
> Does packetSize_ in this case mean:
> -  payload only, not including the TCP header? Or
> -  the total TCP packet length of payload plus header?
> 
> I am assuming this dows not include the IP header length. Am I correct?

It's the entire length of the packets sent over the network.

Suppose the packet is been transmitted on a link with bandwidth 10Mb,
the transmission delay is calculated this way 1000Byte/10Mbps.  In other
words, 1000 accouts everything, even the IP header.

-Polly

> 
> Please help me on this. Thanks a lot!
> 
> Laura Liu
> Wireless IP Mobility
> Nortel Networks
> Tel:  972-685-7960
> Fax: 972-685-3207
> liul@nortelnetworks.com
> 
>