A Proposal for Supporting Terminal Mobility at Layer 2
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A Proposal for Supporting Terminal Mobility at Layer 2
Laboratory & Mitsubisi Electric. 2. Background(1). ○ The most generic way to
support terminal mobility is the Mobile IP based solution. However it … ○ Has a ...
A Proposal for Supporting Terminal Mobility at Layer 2
Communications Research Laboratory Mitsubishi Electric Corporation
Background(1) {
The most generic way to support terminal mobility is the Mobile IP based solution. However it … z
z
z
Has a limitation in fast handover without help of L2 triggers Has its heavy signaling traffic, especially for slow radio links Needs to migrate to IPv6
Communications Research Laboratory & Mitsubisi Electric
2
Background(2) {
By bringing short range radio communications into the overlay network z z
Handoffs happen often even in walking speed What is appropriate size of IP subnet? { CellarIP { Hawaii
Communications Research Laboratory & Mitsubisi Electric
3
Background(3) {
Wide deployment of Etherframe network z z
Intranet Ethernet network PPPoE service (ADSL, a power line company communication service in Japan) →A large coverage in geographical area as well
Communications Research Laboratory & Mitsubisi Electric
4
Proposal – Mobile Ethernet {
Accommodates various kinds of radio systems into widely deployed Ethernet based network z
z
Almost terminal movements are maintained by Mobile Ethernet without Mobile IP location update Flexible IP layer deployment, IPv4, IPv6, PPP services
Communications Research Laboratory & Mitsubisi Electric
5
Installation of Mobile Ethernet All IP Network IP Packet
Mobile Ethernet MAC Frame Ether Switch
Physical Network Will be appeared at IEEE WCNC04 Communications Research Laboratory & Mitsubisi Electric
6
Mobile Ethernet {
A large geographical coverage by combination of 802 family technologies z z
z z
Transparent handover Network controlled terminal radio interface switch Authentication context transfer (802.1x) Integration with 3G system
Communications Research Laboratory & Mitsubisi Electric
7
Mobile Ethernet Status {
Developing test platform and simulator for scalability evaluation z
z z
Ether switches with tailored cache learning mechanisms for signaling Multi radio terminal Scalable Mobile Ethernet simulator based on Java SSF api
Communications Research Laboratory & Mitsubisi Electric
