Gateways in Trusted Extensions
An example of routing in Trusted Extensions follows. The diagram and table show three potential routes between Host 1 and Host 2.
Figure 18–1 Typical Trusted Extensions Routes and Routing Table Entries
|
Route |
First-Hop Gateway |
Minimum Label |
Maximum Label |
DOI |
|---|---|---|---|---|
|
#1 |
Gateway 1 |
CONFIDENTIAL |
SECRET |
1 |
|
#2 |
Gateway 3 |
ADMIN_LOW |
ADMIN_HIGH |
1 |
|
#3 |
Gateway 5 |
|
|
|
-
Route #1 can transmit packets within the label range of CONFIDENTIAL to SECRET.
-
Route #2 can transmit packets from ADMIN_LOW to ADMIN_HIGH.
-
Route #3 does not specify routing information. Therefore, its security attributes are derived from the template in the tnrhtp database for Gateway 5.
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