Common use of Network Architecture Clause in Contracts

Network Architecture. Yes CenturyLink is a facilities-based network services provider. The network is on CenturyLink built and owned fiber network. All POP locations are housed in environmentally secure, physically secure, security card-access mandated facilities. We own and operate our own network and do not purchase transit in lieu of peering. CenturyLink MPLS VPN Infrastructure The MPLS VPN product rides on the CenturyLink IP backbone. The backbone is composed of Juniper routers deployed in TeraPOPs across the U.S. and parts of Europe and Asia. Each TeraPOP has at least two connections, typically at OC-192 speed, connected to TeraPOPs in at least two different cities for redundancy. IP backbone connections use Packet over SONET interfaces. Provider Edge (PE) routers are deployed singly in smaller sites or in redundant clusters. OC-48 or OC-12 uplinks are used, with each PE having two uplinks. Backbone routers Juniper MX960 Juniper M320 Juniper T640 PE routers (Private Edge) Juniper M40 Cisco 7613 The CenturyLink IP/MPLS backbone uses a fully redundant architecture with primary and backup transport circuits. Every core