Cisco 7200 Series Routers
Cisco 7200 Router is a provider class hardware ensuring internet traffic with the speed of up to 2 million packets per second.
Device supports wide range of expansion modules for creation of various configurations.
Main advantages of Cisco 7200 are the high routing speed (NPE-G2 Network Processing Engine), VPN Services Adapter, big set of various types of configurations, support of various interfaces from DS0 up to OC-3, Fast Ethernet, Gigabit Ethernet, Packet over SONET, redundancy and failover.
Capabilities of Cisco 7200:
Support of QoS (Quality of Service)
Aggregation of customer broadband access - up to 16,000 PPP-sessions on the chassis
Fast routing Multiprotocol Label Switching (MPLS)
Support of IP Security (IPsec) VPN: up to 5,000 tunnels per chassis
Transparent signal forwarding H.323 and SIP
Integration of voice, video and data - voice port adapters, TDM support
A Real-time Transport Protocol (RTP) is a protocol standard defined by the Internet Engineering Task Force (IETF) that outlines a management system for programs using real-time transmission of data through mutlicast or unicast network services in multimedia situations. Originally designed by the IETF for videoconferencing for multiple participants, the protocol is largely used in Voice over Internet Protocol applications. Despite its name, the protocol cannot guarantee real-time delivery of data, however, the RTP does compensate for jitters and can detect when data arrives out of sequence, both issues being popular in VoIP communication. In IP telephony, RTP works with a signaling protocol, such as SIP or H.323, in order to set up connections in a network.
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