Showing posts with the label RPShow All SPT Source Trees or Shortest Path Trees(SPT) A source tree is the simplest form of distribution tree. The source host of the multicast traffic is locat… READ MORE »

Showing posts with the label NEUTRONShow All What is Softward-Defined Networking? Before we understand Openstack, let’s have a brief dig about Cloud computing. Cloud computing It is a computing model, where resources such as… READ MORE »

Process Switching Process Switching Vs Fast Switching Vs CEF Process Switching Vs Fast Switching Vs CEF In this article, we will discuss evolving packet-switching me… READ MORE » Load-Balancing How Load Balancing Works? What will we learn in this article? How Load Balancing Works on a Cisco router when CEF is disabled. How Load Balancing […]

Showing posts with the label CINDERShow All What is Softward-Defined Networking? Before we understand Openstack, let’s have a brief dig about Cloud computing. Cloud computing It is a computing model, where resources such as… READ MORE »

Showing posts with the label SPTShow All SPT Source Trees or Shortest Path Trees(SPT) A source tree is the simplest form of distribution tree. The source host of the multicast traffic is locat… READ MORE »

SRGB Segment Routing Global Block (SRGB) is the range of labels reserved for segment routing. Default SRGB range is 16000–23999. It is strongly recommende… READ MORE » What is Segment Routing? How Segment Routing Works? – Concept The below figure explains an MPLS network with 8 routers using Segment Routing, IGP IS-IS, a label range […]

Segment Routing (SR) is new way of routing which is flexible and scalable. SR is based on source routing and allows to create a path by combining segments. The source chooses a path and encodes it in the packet header as an ordered list of segments. Each segment is identified by the segment ID (SID) […]

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IP SLA is a feature that enables a Cisco router or a switch to simulate specific types of traffic useful for analysis. Cisco IOS IP SLAs performs active monitoring by generating and analyzing traffic to measure performance either between Cisco IOS devices or from a Cisco IOS device to a remote IP device such as […]

IGMP (Internet Group Management Protocol) is communication protocol used by receivers/hosts  to signal their  adjacent/local Multicast routers that they are interested in multicast traffic for a particular group.  IGMP is Host to router signalling protocol for Mulitcasting. IGMP has protocol number “2” and runs on Top of Network layer i.e. at Transport layer. IGMP protocol […]

When the concept of Networking actually came into existence, computer devices of same  manufacturer could only communicate with each other.  There was no standard using which devices of multiple vendors/manufacturers could communicate. For example,companies ran either a complete DECnet solution or an IBM solution, not both together. There was a need to a standard mechanism […]

Network functions virtualization (NFV) is also co-related with Virtual Network Function (VNF) in SDN. Often used interchangeably, both aim primarily on optimization of the network services, contrary to software-defined networking (SDN), which separates the control and forwarding plane for a centralized view of the network. Virtual network function is designed to consolidate and deliver the […]

Network Functions Virtualization (NFV) is the concept of replacing/visualizing dedicated network appliances — such as routers, switches, firewalls etc. with software running on commercial/commodity servers. The aim of NFV is to separte network functions(control plane) from dedicated hardware devices(data plane) and allow network services that are now being hosted on routers, firewalls, load balancers and […]

Complete IPv4 Class D range, defined by IANA, is reserved for Multicast: 224.0.0.0 through 239.255.255.255. Link-Local addresses : 224.0.0.0 – 224.0.0.255. This address range is used by network protocols only on the local network segment. Routers do not forward these packets. These are also known as fixed-group addresses because they are well-known and predefined. TTL […]