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Carrier Routing System. 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 ...
Official website. Cisco IOS XR. Line card running IOS XR. IOS XR is a release train of Cisco Systems ' widely deployed Internetwork Operating System (IOS), used on their high-end Network Convergence System (NCS) and carrier-grade routers such as the ASR 9000 series and Carrier Routing System series of routers.
Avaya - acquired Nortel. Buffalo Technology. Brocade Communications Systems - acquired Foundry Networks - was acquired by Ruckus Networks, An ARRIS company and Extreme Networks. Ciena. Cisco Systems. Control4 - acquired by SnapAV. Dell Networking. DrayTek. D-Link.
ASR 9000 series. Cisco ASR 9000 series routers are routers designed for the service provider market. It runs the IOS XR Linux-based operating system. [6] Its major characteristics are: IOS XR uses a less verbose configuration syntax compared to Cisco IOS and Cisco IOS XE. Designed for Metro Ethernet networks.
Carrier-grade NAT. Carrier-grade NAT (CGN or CGNAT), also known as large-scale NAT (LSN), is a type of network address translation (NAT) used by ISPs in IPv4 network design. With CGNAT, end sites, in particular residential networks, are configured with private network addresses that are translated to public IPv4 addresses by middlebox network address translator devices embedded in the network ...
Products in this category are Cisco's range of routers, switches, wireless systems, security systems, WAN acceleration hardware, energy and building management systems and media aware network equipment. [1][2] IP video and phones, TelePresence, HealthPresence, unified communications, call center systems, enterprise social networks and Mobile ...
Cisco IOS. The Internetworking Operating System[2] (IOS) is a family of proprietary network operating systems used on several router and network switch models manufactured by Cisco Systems. The system is a package of routing, switching, internetworking, and telecommunications functions integrated into a multitasking operating system.
Ethernet services are carried over IP / MPLS networks making use of a wide range of IP-related protocols (see IETF pseudowire standards, e.g. RFC 3985, RFC 4448). Ethernet links are transported as "pseudowires" using MPLS label-switched paths (LSPs) inside an outer MPLS "tunnel". This strategy can support both point-to-point (Virtual Private ...