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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Multimedia Networking
Exercise:
Review
Question:16 | ISBN:9780132856201 | Edition: 6

Question

What is the role of a SIP registrar? How is the role of an SIP registrar different from that of a home agent in Mobile IP?

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Answer

  • SIP registrar means Session Initiation Protocol.  The main role is track the users respective IP address and store in the domain.
  • A home agent in Mobile IP is an tunneling service between the home IP address and mobile IP address, but SIP registrar does not tunneling service.
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