Opportunity
Growing demand for Ethernet services and increased availability of cost-effective
Ethernet infrastructures at the metro access networks are creating new
exciting revenue opportunities for service providers. By enabling both
PBX T1/E1 backhaul and Ethernet VPN to small- and medium-sized businesses
over a single high-speed Ethernet link, providers leverage next-generation
metro technologies (e.g. Metro Ethernet, RPR, IP Metro) to expand service
offerings, increase revenues, and cut costs.
Solution
Axerra’s AXN1 and AXN10 pseudo-wire
access devices encapsulate tagged Ethernet (802.1q) traffic on a per-VLAN
basis using Ethernet pseudo-wire
encapsulation (ETHoP). Resulting packets are transported across the provider’s
IP/MPLS backbone, enabling VLAN-aware Ethernet VPN service. With ETHoP,
corporate and branch office LANs can be connected through Ethernet pseudo-wires
in a point-to-point, point-to-multipoint, or even full mesh topology.
In addition to Ethernet pseudo-wires, Axerra’s AXN1/10 pseudo-wire access
devices backhaul PBX T1/E1 voice circuits to the PSTN over metro Ethernet or
IP access infrastructure using the industry’s most robust TDM pseudo-wire
encapsulation known as Circuit Emulation Service over Packet (CESoP). A unique
feature within the AXN1/10 also enables Dynamic Bandwidth CES (DB-CESoP) capabilities
of CAS/CCS-aware voice circuits and thereby optimizes the bandwidth consumption
on the network uplink. At the CO (Central Office) / PoP (Point-of-Presence), Axerra’s
carrier-class AXN1600 or AXN800 pseudo-wire gateways, aggregate, terminate, and
groom
multiple
CES or DB-CES flows into channelized T1/E1, T3/E3, and OC-3/STM-1 interfaces
for cost-effective integration with class-5 switches.
Benefits for Service Providers
• Enables voice and data integration over a single Ethernet access
link and thus reduces providers’ Operational Expenses (OpEx) associated
with TDM leased lines
• Simplifies provisioning of point-to-multipoint or full mesh IP VPN topology
• Protects “legacy” capital investment at PBX and class 4/5
switches while eliminating new investments in VoIP
• Enables efficient bandwidth utilization between residential and business
customers through dynamic bandwidth allocation between voice and data (DB-CESoP)
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