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Multicast router discovery (MRD) provides a general mechanism for the discovery of multicast routers on an IP network. For IPv4, the mechanism is based
Multicast_router_discovery
Internet protocol used for error messages in network operations
Management Protocol (IGMP) is used in IPv4. Multicast Router Discovery (MRD) allows the discovery of multicast routers. ICMPv6 messages may be classified as
ICMPv6
Multicast routing protocol
Protocol-Independent Multicast (PIM) is a family of multicast routing protocols for Internet Protocol (IP) networks that provide one-to-many and many-to-many
Protocol-Independent Multicast
Protocol-Independent_Multicast
Protocol in the Internet protocol suite used with IPv6
137) Routers may inform hosts of a better first-hop router for a destination. These messages are used to provide the following functionality: Router discovery:
Neighbor_Discovery_Protocol
Sending datagrams to multiple receivers
has 1000 multicast routing and forwarding entries. On the other hand, a multicast router does not need to know how to reach all other multicast trees in
IP_multicast
Routing protocol for IP networks
router, known as an area border router (ABR). An ABR maintains separate link-state databases for each area it serves and maintains summarized routes for
Open_Shortest_Path_First
One-to-many computer networking protocol
computers simultaneously: Multicast Source Discovery Protocol, Multicast BGP, Protocol Independent Multicast. Multicast routing is a method of transmitting
Multicast_routing
Protocol to discover routers
computer networking, the ICMP Internet Router Discovery Protocol (IRDP), also called the Internet Router Discovery Protocol, is a protocol for computer
ICMP Router Discovery Protocol
ICMP_Router_Discovery_Protocol
Multicast Source Discovery Protocol (MSDP) is a Protocol Independent Multicast (PIM) family multicast routing protocol defined by Experimental RFC 3618
Multicast Source Discovery Protocol
Multicast_Source_Discovery_Protocol
Protocol for discovering IPv6 multicast listeners
Multicast Listener Discovery (MLD) is a component of the Internet Protocol Version 6 (IPv6) suite. MLD is used by IPv6 routers for discovering multicast
Multicast_Listener_Discovery
Protocol for establishing multicast group memberships on IPv4 networks
to deliver a multicast service using IGMP might use this basic architecture: IGMP operates between a host and a local multicast router. Switches featuring
Internet Group Management Protocol
Internet_Group_Management_Protocol
Multicast routing technique to minimize loops and enhance security
dedicated multicast routing table or, alternatively, the router's unicast routing table. When a multicast packet enters a router's interface, the router looks
Reverse-path_forwarding
Logical identifier addressing a specific group of devices on a network
multicast for a designated network service. Multicast addressing can be used in the link layer (layer 2 in the OSI model), such as Ethernet multicast
Multicast_address
Network protocol
casting service. Discovery and Launch Jini Multicast DNS (mDNS) Neighbor Discovery Protocol (NDP) Service Location Protocol WS-Discovery Zero-configuration
Simple Service Discovery Protocol
Simple_Service_Discovery_Protocol
Topics referred to by the same term
document, used in technology product development and planning Multicast router discovery network protocol Machine-readable dictionary Alberto Carnevalli
MRD
Protocol used by network devices for advertising their identity
destination MAC address set to a special multicast address that 802.1D-compliant bridges do not forward. Other multicast and unicast destination addresses are
Link_Layer_Discovery_Protocol
Server software for computer network configuration
controllers, they multicast router solicitation (RS) requests onto the network to discover available routers. Radvd answers requests with router advertisement
Radvd
Computer networking concept
Broadcast, unknown-unicast and multicast traffic (BUM traffic) is network traffic transmitted using one of three methods of sending data link layer network
Broadcast, unknown-unicast and multicast traffic
Broadcast,_unknown-unicast_and_multicast_traffic
Protocol for statefully assigning IPv6 addresses on an IPv6 network
delegation. For example, an ISP's router can provide a prefix to a customer's router via DHCPv6 so that the customer's router can assign addresses to the customer's
DHCPv6
Process of listening to IGMP network traffic to control delivery of IP multicasts
IGMP packets in order to reduce load on the multicast router. Joins and leaves heading upstream to the router are filtered so that only the minimal quantity
IGMP_snooping
Label to identify a network interface of a computer or other network node
the Neighbor Discovery Protocol to create a globally routable unicast address: the host sends router solicitation requests and an IPv6 router responds with
IPv6_address
Proprietary data link network protocol
multicast frames may be received by Cisco switches and other networking devices that support CDP on their connected network interface. This multicast
Cisco_Discovery_Protocol
Computer network protocol
the one with the lowest hop count. If a router receives information from two different neighbouring router that the same network is reachable with the
Routing_Information_Protocol
Television transmitted over a computer network
consists of broadcast live television that is streamed over the Internet (multicast) — in contrast to delivery through traditional terrestrial, satellite
Internet_Protocol_television
On-Demand Multicast Routing Protocol is a protocol for routing multicast and unicast traffic throughout Ad hoc wireless mesh networks. ODMRP creates routes on
ODMRP
Packet routing strategy
Multi-path routing can be used in conjunction with most routing protocols because it is a per-hop local decision made independently at each router. It can
Equal-cost_multi-path_routing
Protocol used to implement multicast functionality on computer networks
The Narada multicast protocol is a set of specifications which can be used to implement overlay multicast functionality on computer networks. It constructs
Narada_multicast_protocol
Set of networking protocols
does not apply when the router/firewall does not support UPnP IGD or has been disabled on the router. Also, not all routers can have such things as DNS
Universal_Plug_and_Play
Low-power wireless mesh networking protocol for the Internet of things
Thread network with more than one router forms a mesh; a single-router network is a star. The number of active routers is managed adaptively by the protocol—typically
Thread_(network_protocol)
Delivering multicast packets based on source and destination addressing
Source-specific multicast (SSM) is a method of delivering multicast packets in which the only packets that are delivered to a receiver are those originating
Source-specific_multicast
Internet Protocol routing software
Version 3) Multicast Listener Discovery (MLD v1 and v2): RFC 2710 (Multicast Listener Discovery (MLD) for IPv6) RFC 3810 (Multicast Listener Discovery Version
XORP
Version 6 of the Internet Protocol
link to any router interface that supports IPv6. It does so by sending out an ICMPv6 router solicitation message to the all-routers multicast group with
IPv6
Unique identifier assigned to network interfaces
example, based on a configurable list of accepted multicast MAC addresses. This is called multicast addressing. The IEEE has built in several special
MAC_address
Logical subdivision of an IP network
subnet-router anycast address. The subnet router anycast address is the lowest address in the subnet, so it looks like the “network address”. If a router has
Subnet
Technologies for automatic network connection configuration
systems. Web Services Dynamic Discovery (WS-Discovery) is a technical specification that defines a multicast discovery protocol to locate services on
Zero-configuration_networking
Former computer network
Internet routers have disabled IP multicast due to concerns regarding bandwidth tracking and billing, the Mbone was created to connect multicast-capable
Mbone
Network addressing and routing methodology
even though it uses TCP. Anycast rendezvous point can be used in Multicast Source Discovery Protocol (MSDP) and its advantageous application as Anycast RP
Anycast
Computer network protocol
sessions are different because during the discovery phase hellos are unicast to the LDP peer rather than using multicast. A consequence of this is that tLDP
Label_Distribution_Protocol
Special-use domain name
the Multicast DNS name resolution protocol. Any DNS query for a name ending with the label local must be sent to the mDNS IPv4 link-local multicast address
.local
Numerical label used to identify a network interface in an IP network
In this scenario, the computers connected to the router have private IP addresses, and the router has a public address on its external interface to communicate
IP_address
IPv6 transition mechanism
perform ICMPv6 Neighbor Discovery, multicast must be used. Any IPv6 multicast packet gets encapsulated in an IPv4 multicast packet with destination 239
6over4
Internet protocol used for error messages in network operations
particular router on a network. Although a router has buffering capabilities, the buffering is limited to within a specified range. The router cannot queue
Internet Control Message Protocol
Internet_Control_Message_Protocol
Fourth version of the Internet Protocol
count—when the datagram arrives at a router, the router decrements the TTL field by one. When the TTL field hits zero, the router discards the packet and typically
IPv4
wireless combination router/DSL modems ... The attack, confirmed to work on several Linksys and Netgear DSL modems ... the router responded to messages
List of TCP and UDP port numbers
List_of_TCP_and_UDP_port_numbers
Border Gateway Multicast Protocol, Classless Inter-Domain Routing, Multicast Source Discovery Protocol, and Protocol Independent Multicast. A PDC uses a
Inter-domain_routing
Experimental internet protocol
Independent Multicast (PIM) Distance Vector Multicast Routing Protocol (DVMRP) Multicast BGP (MBGP) Multicast Source Discovery Protocol (MSDP) Multicast Listener
SMART_Multicast
Video network protocol
supports two other discovery modes (NDI Access, NDI Discovery Server) that allow for operations across subnets and without multicast DNS. Sources are created
Network_Device_Interface
Associativity-Based Routing (ATA-AR), Self-adaptive Q-learning based trust ABR (QTABR) Quality of Service Extensions to ABR (QoSE-ABR) Associativity-based Multicast Routing
Associativity-based_routing
Network address usable for communication within a subnet
are multicast addresses that are link-local. Link-local addresses are not guaranteed to be unique beyond their network segment. Therefore, routers do not
Link-local_address
Computer networking protocol
through any router. The router discards this packet. To solve this problem, there is a need for an intermediary (relay). One of the host or router can be configured
Bootstrap_Protocol
Computer networking protocol
Version 3 (L2TPv3) RFC 4045 Extensions to Support Efficient Carrying of Multicast Traffic in Layer-2 Tunneling Protocol (L2TP) RFC 4951 Fail Over Extensions
Layer_2_Tunneling_Protocol
Manufacturer specific management protocol
Netgear Switch Discovery Protocol (NSDP) is a management protocol for several network device families, designed by Netgear. Message body records are type–length–value
Netgear Switch Discovery Protocol
Netgear_Switch_Discovery_Protocol
engaged in research on advanced Internet technologies, including multicast routing, mobile internetworking, scalable addressing, and support for multimedia
Steve_Deering
Update method for DNS name servers
address translation (NAT) at the customer-premises router. The private network behind these routers uses address space set aside for these purposes, masqueraded
Dynamic_DNS
(also called network TV tuner) is a television headend to a network UPnP router that receives live digital video broadcast (DVB) MPEG transport streams
TV_gateway
Software to monitor ICMPv6 packets
wrong router redirect: the router which emitted the redirect is not valid router flag in Neighbor Advertisement: a node not declared as a router announced
NDPMon
Sending a message to all computers on a network in a geographic location
list of points, e.g., P(1), P(2), ..., P(n–1), P(n)). A geographic router (Geo Router) calculates its service area (geographic area it serves) as the union
Geocast
Denial-of-service attack on network devices
this functionality by sending thousands of spoofed CDP packets to the multicast MAC address 01:00:0C:CC:CC:CC to fill neighbor tables in any devices on
CDP_spoofing
Communication protocol that allows connections between networks
many-to-many-of-many association; datagrams are routed simultaneously in a single transmission to many recipients. Multicast differs from broadcast in that the destination
Internet_Protocol
Framework for communication protocols used in IP networking
called a router is provided with an interface to each network. It forwards network packets back and forth between them. Originally a router was called
Internet_protocol_suite
Framework for decentralized, peer-to-peer networking which is part of the GNU Project
WLAN and Bluetooth) and various basic peer-to-peer algorithms for routing, multicast and network size estimation. GNUnet's basic network topology is that
GNUnet
Networking service
establishing OSI layer 3 MPLS VPNs and provide both auto-discovery and signalling; each provider edge (PE) router configured to participate in a given VPLS, through
Virtual_Private_LAN_Service
Multimedia delivery method
the delivery of multicast streams to the groups of recipients on a LAN. One of the challenges in deploying IP multicast is that routers and firewalls between
Streaming_media
Smallest message entity exchanged using Internet Protocol version 6
result of research on the evasion of Router Advertisement Guard, the use of fragmentation with Neighbor Discovery is deprecated, and the use of fragmentation
IPv6_packet
Network protocol
RoCE v1 multicast traffic to a subset of the ports of an Ethernet switch. As of September 2013, an equivalent of the Multicast Listener Discovery protocol
RDMA_over_Converged_Ethernet
Network protocol for mapping ports
router without a workaround that makes router port mapping impossible. If UPnP is only used to control router port mappings and pinholes, there are alternative
Internet Gateway Device Protocol
Internet_Gateway_Device_Protocol
IEEE standard for mesh networking
by defining an architecture and protocol that supports both broadcast/multicast and unicast delivery using "radio-aware metrics over self-configuring
IEEE_802.11s
Data modeling language
Model for the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) RFC 8675: A YANG Data Model for Tunnel Interface Types
YANG
OSI model layer for packet routing
LLARP, Low Latency Anonymous Routing Protocol OSPF, Open Shortest Path First PIM, Protocol Independent Multicast RIP, Routing Information Protocol "X.225 :
Network_layer
Decentralized type of wireless network
be a router. The primary challenge in building a MANET is equipping each device to continuously maintain the information required to properly route traffic
Wireless_ad_hoc_network
Curtis Used Racial Slur While Filming Series; Removes Show From HBO Max & Discovery+". Deadline Hollywood. Retrieved February 12, 2026. Ryan, Aidan (February
2026_in_American_television
American multinational technology company
second core router in 2007 and the newer T4000 4 Terabit router in 2010. In 2012, it released the ACX family of universal access routers. In 2013, the
Juniper_Networks
Virtual private network application
Hamachi currently handles tunneling of IP traffic including broadcasts and multicast. The Windows version also recognizes and tunnels IPX traffic. Each client
LogMeIn_Hamachi
IEEE standard for Shortest Path Bridging
transported only to other members of VLAN. Unicast, multicast, and broadcast are supported and all routing is on symmetric shortest paths. The control plane
IEEE_802.1aq
Principal protocol used for transmission of datagrams across an IP network
Protocol. Because it supports multicast, it is suitable for broadcast information, such as in many kinds of service discovery and shared information such
User_Datagram_Protocol
(2006). "DNS-Based Service Discovery". IETF. Retrieved 3 March 2014. Bhandari, Schweta (21 October 2013). "Extending Multicast DNS across Local Links in
DNS_Long-Lived_Queries
Field in Ethernet frames indicating which protocol is encapsulated in the payload
1AC-2016/Cor 1-2018 has thus retroactively standardized the practice used by router vendors in their IS-IS implementations (for IIH Hello packets padding and
EtherType
Computer network protocol
incoming IPv4 or IPv6 packets are translated and forwarded by an upstream router that performs network address translation (NAT) or packet filtering. By
Port_Control_Protocol
Networking protocol for clock synchronization
deployed in a local area network as part of the Hello routing protocol and implemented in the Fuzzball router, an experimental operating system used in network
Network_Time_Protocol
Message delivery protocol in a network
Gbcast (also known as group broadcast) is a reliable multicast protocol that provides ordered, fault-tolerant (all-or-none) message delivery in a group
Gbcast
Type of decentralized and distributed network architecture
stream audio and video to their clients. Peercasting is employed for multicasting streams. Additionally, a project called LionShare, undertaken by Pennsylvania
Peer-to-peer
Domain at the highest level of the DNS hierarchy
17487/RFC6761. RFC 6761. Cheshire, S.; Krochmal, M. (February 2013). Multicast DNS. IETF. doi:10.17487/RFC6762. RFC 6762. Appelbaum, J.; Muffett, A.
Top-level_domain
Line of digital media players developed by Google
uses the multicast Domain Name System (mDNS) protocol to search for available devices on a Wi-Fi network. Chromecast previously used the Discovery and Launch
Chromecast
Computer networking protocol suite
networks to be connected with no prior setup or the need for a centralized router or server of any sort. Connected AppleTalk-equipped systems automatically
AppleTalk
Networking hardware that forwards packets based on hardware address
features such as IEEE 802.1X LLDP (Link Layer Discovery Protocol) IGMP snooping for control of multicast traffic It is difficult to monitor traffic that
Network_switch
Privacy-focused encrypted messaging app
group chat protocol is a combination of a pairwise double ratchet and multicast encryption. In addition to the properties provided by the one-to-one protocol
Signal_(software)
Real-time professional audio over IP networking
encapsulation of audio are routable, the multicast DNS discovery protocol used by Dante does not traverse routers without special provisions. Audio Video
Dante_(networking)
Decentralized distributed system with lookup service
caching, distributed file systems, domain name services, instant messaging, multicast, and also peer-to-peer file sharing and content distribution systems.
Distributed_hash_table
Combined bridging and routing protocol
conventional routers, RBridges terminate the broadcast, unknown-unicast and multicast traffic of DIX Ethernet and the frames of IEEE 802.2 LLC including the
TRILL
Secure network protocol suite
and verification keys from the security association database. For IP multicast a security association is provided for the group, and is duplicated across
IPsec
NTDR routers, both cluster heads and cluster members. It also supported multicasting. L. Williams, L. Emory, "Near Term Digital Radio - a first look", Proceedings
Near-term_digital_radio
Group of internetworking methods in the TCP/IP suite
Protocol (IGMP) is used by IPv4 hosts and adjacent IP multicast routers to establish multicast group memberships. Internet Protocol Security (IPsec) is
Internet_layer
4880, RFC 5581, RFC 6637 RFC 9777 Multicast Listener Discovery Version 2 (MLDv2) for IPv6 March 2025 Multicast Listener Discovery Obsoletes RFC 3810
List_of_RFCs
Specifications for synchronized, low-latency streaming
for low-latency time-sensitive traffic. AVB traffic is replicated in a multicast manner, with one talker (stream initiator) and multiple listeners. AVB
Audio_Video_Bridging
ABI—Application Binary Interface ABM—Asynchronous Balanced Mode ABR—Area Border Router ABR—Auto Baud-Rate detection ABR—Available Bitrate ABR—Average Bitrate ABR—Adaptive
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Ethernet enhancement
both unicast and multicast traffic. TRILL accomplishes this by using IS-IS (Intermediate System to Intermediate System) link-state routing and by encapsulating
Data_center_bridging
Application layer protocol
plain unreliable UDP in multicast and unicast situations, forming HTTPMU and HTTPU. They are used in UPnP and Simple Service Discovery Protocol (SSDP), two
HTTP
Auction priced by second-highest sealed bid
all strategyproof mechanisms. In the case of network flows, unicast or multicast, a minimum-cost flow (MCF) in graph G is calculated based on the declared
Vickrey_auction
Wide area network technology
longer exist). The LMI multicasting extension allows multicast groups to be assigned. Multicasting saves bandwidth by allowing routing updates and address-resolution
Frame_Relay
French fabless company
one of two LTE chipmakers to provide technology to Verizon for its LTE Multicast demonstration at the 2014 Super Bowl. That same month Sequans' EZLinkLTE
Sequans
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MULTICAST ROUTER-DISCOVERY
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MULTICAST ROUTER-DISCOVERY
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