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IST-2000-25187

Deliverable D4.3

Evaluation of Phase I Field Trial

TORRENT

IST-2000-25187 PUBLIC Page 22 of 77

New test set-up using IPv6

Since this is a living project, one of the items that were gaining importance was the

implementation of IPv6 instead of IPv4.

This of course had also an impact on the field trial between Basel and

Stuttgart.

Figure 15: Set-up for IPv6

For the purpose of using the TORRENT IPv6 over tesion MPLS backbone, tesion have received a

beta-version of SW for their routers from Cisco.

During the field trial there will be dedicated core routers in Karlsruhe and Stuttgart.

The following interconnections will be performed:

IP over MPLS

The beta-software takes the IPv6 packet and puts a MPLS header on top of this packet.

Then it is transferred through the MPLS core network. At the destination this header is removed

and the IPv6 packet is transported further to its final destination.

IP tunnelled

Originally (IPv4) an IP VPN was planned. The disadvantage for the available IPv6 MPLS SW is

that the IP V6PN is not available yet. In order to simulate this, the interconnection will be realised

by tunnelling this through the network.

SDH

This is in fact a leased line and can be considered as a very fast network with optimal QoS.

The way the set-up is adapted to suit these needs also offers a kind of fallback scenario to use

IPv4 in the unlikely case that IPv6 LAP interconnectivity doesn’t perform as expected.

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