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Carrier Routing System (CRS) is a modular and distributed core router developed by Cisco Systems Inc that enables service providers to deliver data, voice, and video services over a scalable IP Next-Generation Network (NGN) infrastructure. In a network topology, these routers are generally positioned in the core or edge of a service provider ...
Cisco Unified Communications Manager Express (CUCME) - a small scale/single server contact center solution; Cisco Unified Operations Manager (CUOM)— a NMS for voice. It features real-time monitoring of all system elements, and performs automatic discovery for the entire system and provides contextual diagnostics for troubleshooting.
Asus (including subsidiary Askey Computer Corp.) Avaya - acquired Nortel, networking business sold to Extreme Networks [2] AVM; Barracuda Networks; Brocade - acquired Vyatta, purchased by Broadcom [3] Billion Electric; Calix; Cisco Systems; Control4 - acquired by SnapAV; Cradlepoint - acquired by Ericsson; Dell - acquired Force10; Digi ...
Routing is the process of selecting a path for traffic in a network or between or across multiple networks. Broadly, routing is performed in many types of networks, including circuit-switched networks, such as the public switched telephone network (PSTN), and computer networks, such as the Internet.
A telecommunications network is a group of nodes interconnected by telecommunications links that are used to exchange messages between the nodes. The links may use a variety of technologies based on the methodologies of circuit switching, message switching, or packet switching, to pass messages and signals.
Routing in the PSTN is the process of forwarding telephone calls between the constituent telephone networks that comprise the public switched telephone network (PSTN). Telephone calls are routed across a network of potentially many switching systems, often owned by different telephone carriers .
PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN).. In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering ...
In IP-based computer networks, virtual routing and forwarding (VRF) is a technology that allows multiple instances of a routing table to co-exist within the same router at the same time. One or more logical or physical interfaces may have a VRF and these VRFs do not share routes.