Topic: Network Operating System (NOS)

Layer 3 VPN Manager Metaswitch’s DC‑L3VPN Manager is an extension to DC‑BGP that facilitates the implementation of Layer 3 BGP/MPLS VPNs. In conjunction with DC‑MPLS, ... Read More
Intermediate System-Intermediate System (IS-IS) DC-ISIS is a portable source code implementation of the Intermediate System-Intermediate System (IS-IS) protocol designed explicitly to support the ... Read More
Internet Group Management Protocol (IGMP) DC-IGMP/MLD is a portable source code implementation of the Internet Group Management Protocol (IGMP) protocol designed explicitly to support the ... Read More
Constrained Shortest Path First (CSPF) The Constrained Shortest Path First algorithm is used with Link State routing protocols such as OSPF and ISIS. It resolves Quality of Service routing ... Read More
Border Gateway Protocol (BGP) DC-BGP is a portable source code implementation of the Border Gateway Protocol (BGP) protocol designed explicitly to support the scalability, ... Read More
Spanning Tree Protocol (STP) Ethernet frames may be broadcast through the network with a header that does not contain a TTL. If the topology contains a loop, this leads to a ... Read More
Link Layer Discovery Protocol (LLDP) Specified within the IEEE 802.1AB standard, the Link Layer Discovery Protocol (LLDP) is used by network devices in Ethernet segments and networks for ... Read More
Link Aggregation Control Protocol Defined within IEEE 802.3ad, the Link Aggregation Control Protocol (LACP) is a standards-based method to control the bundling of several physical ... Read More
Ethernet Ring Protection Switching In network operator infrastructures around the globe, cost-effective optical Ethernet services are increasingly replacing classic SONET/SDH ... Read More
Optical Transport Networks (OTN) Operators of carrier and service provider networks are always under immense pressure to reduce operational and capital expenditures. As if that ... Read More
What is Path Computation Element (PCE)? Path Computation Element (PCE) is a device that computes paths on behalf of the nodes in the network. It can be a router, a COTS server, part of the ... Read More
What is Session Initiation Protocol (SIP)? Session Initiation Protocol (SIP) is used to signal and control interactive communication sessions. The uses for such sessions include voice, video, ... Read More
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