IPv4 NEMO Basic Support draftleungnemov4base00'txt - PowerPoint PPT Presentation
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IPv4 NEMO Basic Support draftleungnemov4base00'txt
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draft-leung-nemov4-base-00.txt. Speaker: Alexandru Petrescu. Kent Leung. Gopal Dommety ... Enabling mobility for IPv4 Networks in an IPv4 Infrastructure ... – PowerPoint PPT presentation
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Title: IPv4 NEMO Basic Support draftleungnemov4base00'txt
1
IPv4 NEMO Basic Supportdraft-leung-nemov4-base-0
0.txt
- Speaker Alexandru Petrescu
- Kent Leung
- Gopal Dommety
- Vidya Narayanan
- Alex Petrescu
2
Motivations for IPv4 Network Mobility
- Enabling mobility for IPv4 Networks in an IPv4
Infrastructure - Registering IPv4 mobile networks with an IPv4
home agent - Customers are asking for it
- E.g., public safety, transportation industries
- Need an interoperable implementation
3
Protocol Overview
- Operation similar to RFC 3963 (Network Mobility
in IPv6). - Two new extensions to RRQ/RRP defined
- Used to register IPv4 Mobile Network Prefixes
with the Home Agent.
FA
HA
MR
Registration Request
Registration Reply
IPv4 encapsulated app traffic
CN
LFN
4
Message Formats
- RegReq Mobile Network Request Extension
0 1
2 3 0 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-------------------------
------- Type Length
Sub-Type Prefix Length
-------------------------
-------
Prefix
-------------------------
-------
- RegRep Mobile Network Acknowledgement Extension
0 1
2 3 0 1 2 3 4 5 6 7 8 9 0 1
2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-------------------------
------- Type Length
Sub-Type Code
-------------------------
------- Prefix Length
Prefix --------------
------------------
--------
5
- QUESTIONS
6
Protocol Requirements
- Implicit and explicit mode support for MNP
registration - Foreign Agents as specified in RFC3344 must be
supported with no modifications. - Moving Network may have fixed nodes, Mobile Nodes
or Mobile Routers. - Minimum tunnel encapsulations desired.
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