Clarification needed

To: <ietf at ietf.org>
Subject: Clarification needed
From: "Ramana Divvi" <ramanad at future.futsoft.com>
Date: Mon, 2 Dec 2002 10:18:22 +0530
Importance: Normal
In-reply-to: <Pine.LNX.4.33.0209220412150.24653-100000@dot-god.com>
Reply-to: <ramanad at future.futsoft.com>
Sender: owner-ietf at ietf.org

Hi

I am new to the DataCom related protocols, I have small confusion in IPv4
and TCP headers.
All we know IHL ( IPv4 Header length  field in  IPv4 header) and
ataOffset( field in  TCP header)  are  four(4 bit) bit fields.
IHL              ------>  IHL is the Total IPv4 header length, maximum is 15
( 15x4 = 60 bytes) ----refer RFC 791
DataOffset   ------>  DataOffset is total TCP header size ( in simple words)
, maximum is 15 ( 15x4 = 60 bytes) ----refer RFC 793

Follow-Ups:
- Re: Clarification needed
  - From: Valdis . Kletnieks

References:
- INTERVIEW comments by Conrad on IPv4
  - From: Joe Baptista

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Clarification needed

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