Motorola BSR 2000, Configuration And Management Manual

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BSR 2000 Configuration and Management Guide Release 1.0
13-2 MGBI 526360-001-00 Rev. B
VLAN Tagging represents a major business opportunity for cable operators. Many
businesses with multiple branches in the cable operator’s region interconnect their
branches to their main office using technolgies such as Frame Relay connections.
These Frame Relay connections typically provide Layer 2 bridged Ethernet
connectivity between the branch office and the main office. MSOs can offer VLAN
Tagging over cable modems as a cost-effective alternative to more expensive
connections such as Frame Relay.
Frame Relay connections typically cost in the hundreds of US dollars per month while
consumer broadband service typically costs a few tens of US dollars per month.
Accordingly, cable operators can provide the same layer 2 connectivity as Frame
Relay with a layer 2 TLS service offering to businesses that has significantly higher
revenue per month than consumer service but is still much cheaper to the
multi-branch enterprise customer themselves.
The diagram in Figure 1-1 depicts a typical TLS deployment: