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Features
Testing
Edge Aggregation Devices: The
challenges of PPP
PPP is not only one of the most
widespread protocols in edge
networks, it is also one of
the most complex. And with recent
modifications that enable PPP
transport over Layer-2 links,
it just got a whole lot trickier!
This white paper first examines
the intricacies of the PPP protocol
stack, then describes test scenarios
for session setup, scalability,
and flapping, as well as PPP
over L2TP VPNs.
Testing
Edge Services: L2oMPLS VPNs
and Service Level Agreements
No one could argue that MPLS
has revolutionized IP networks.
With label-switched paths and
traffic engineering, its developments
have always focused on bringing
speed and security to IP domains.
So what's next? How about Layer-2
PDU transport, VPNs, and an
excellent method for testing
Service Level Agreements. This
white paper looks at these recent
developments in the MPLS world
(developments that bring the
core much closer to the edge)
and just what is needed to test
them.
Network Services 
