
36 Chapter 2: Understanding Mobile IP
RRQs are comprised of the following three major components:
• Identification—Unique identification of the RRQ and unique identification of the Mobile
Node
• Service Requests—Negotiation of Mobile IP services
• Authentication Parameters—Security parameters for message authentication
Registration Replies are also comprised of the following three major components:
• Identification—Unique identification to match the RRP to the RRQ, and unique
identification of the Mobile Node
• Reply Codes—Status of the Mobile Node’s registration
• Authentication Parameters—Security parameters for message authentication
In the next sections, ...