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1 edition of Multicast tree construction in network topologies with asymmetric link loads found in the catalog.

Multicast tree construction in network topologies with asymmetric link loads

Shridhar B. Shukla

Multicast tree construction in network topologies with asymmetric link loads

by Shridhar B. Shukla

  • 21 Want to read
  • 14 Currently reading

Published by Naval Postgraduate School, Available from National Technical Information Service in Monterey, Calif, Springfield, Va .
Written in English

    Subjects:
  • PATHS, COMMUNICATIONS TRAFFIC, TREES, LOAD CONTROL

  • About the Edition

    This report addresses the problem of constructing multicast trees with reservation of resources. The main features of the approach described are that it tolerates asymmetric traffic loads on network links and algorithmically locates data distribution centers for every multiparticipant interaction. A fast and scalable algorithm for locating distribution centers based on the network load and a priori knowledge of participant"s locations and resource requirements is given. To explicitly handle cases of disjoint send and receive paths between two nodes, a protocol to build separate send-trees and receive-trees around the centers located in the manner above is given. Simulation results on various topologies are presented showing that, with the above center location mechanism, center-specific trees yield lower tree cost than source-specific trees for many concurrent senders without increasing the average path length significantly. The use of distribution centers, a priori information, and sensitivity to load asymmetry permit effective combination of center-specific and source-specific trees for an interaction and eliminate the need for symmetry checks during resource reservation. Multicast trees, Scalable, Quality of service, Wide area networks.

    Edition Notes

    Other titlesNPS-EC-94-012.
    Statementby Shridhar B. Shukla, J. Eric Klinker, Eric B. Boyer
    ContributionsKlinker, James Eric, Boyer, Eric B., Naval Postgraduate School (U.S.). Dept. of Electrical and Computer Engineering
    The Physical Object
    Paginationi, 27 p. :
    Number of Pages27
    ID Numbers
    Open LibraryOL25475177M

    As was mentioned in IBM MQ Multicast topic topology, IBM MQ Multicast support requires that each subtree has its own multicast group and data stream within the total hierarchy. Do not use a different multicast group address for a subtree and its parent. The classful network IP addressing scheme has designated address space for multicast address. The full multicast range of IP address is Minimizing Network Coding Nodes in Multicast Tree Construction via Genetic Algorithm Shee Eng Tan, Zhan Wei Siew, Yit Kwong Chin, Scott Carr Ken Lye, Kenneth Tze Kin Teo Modelling, Simulation & Computing Laboratory, Minerals & Materials Research Unit School of Engineering and Information Technology Universiti Malaysia Sabah Kota Kinabalu, Malaysia.

    ACX Series,M Series,T Series,SRX Series,MX Series,QFabric System,QFX Series,EX IS-IS Multicast Topologies Overview, Example: Configuring IS-IS Multicast Topology.   Note: The Cisco IOS router is also added to the multicast group, but since it is the source, it does not receive its own packets. At every query interval, the Cisco IOS router sends out an IGMP general query (which is sent to multicast group , .

    The multicast clients need a mechanism to join multicast groups. Internet Group Management Protocol (IGMP) allows clients to send “requests” to multicast-enabled routers to join a multicast group. IGMP only handles group membership. To actually route multicast data to a client, a multicast routing protocol is required, such as PIM or Size: KB. m random receivers, N is the sum of all receivers connected to each multicast tree, and E21448 is the expected value of N over all topologies. Tree connectivity is a measure of the tree construction ability of a multicast routing protocol. For example, if we want to connect one sender to 20 receivers via 2 trees.


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Multicast tree construction in network topologies with asymmetric link loads by Shridhar B. Shukla Download PDF EPUB FB2

Multicast trees Multicast routing is about building forwarding trees from the sender S to the group G of receivers or listeners (in IGMP we talk about loyal members). Most efficiently is of course a Shortest Path Tree (SPT).

In an SPT each path from the root to all the end nodes is File Size: 82KB. As in [3], [17], [14], we assume that multicast is performed on a spanning tree joining a given source to all the network nodes, which we call Global Multicast Tree.

Nodes of a mul-ticast group are connected to the source using the appropriate subtree of the Global Multicast Tree. Multicast trees of thisCited by: In this paper, we propose a scalable multicast algorithm that tackle the delay and delay variation by exploiting the Hierarchic Tree construction concepts.

In fact, the proposal algorithm guarantees QoS by: (i) reducing the network charge; (ii) decreasing the multicast delay : O. Moussaoui, A. Ksentini, M. Naïmi, A. Gueroui. inferring link loss rates in networks with tree topologies. The tree topology represents a case of special interest in network tomography.

Besides its simplicity, the tree topology is shown to approximate latency and bandwidth in the Internet [13], and most tomography-based topology discovery methods generate logical topologies that are trees [10].

The choice of this designated router (refer to as the “Rendezvous Point RP” in PIM-SM protocol and the “core” in CBT protocol) is the main problem concerning multicast tree construction; this choice influences multicast routing tree structure, and therefore influences performances of Cited by: 7.

Multicast MPLS tree construction with the MMT2 protocol. The global packet average delay for the protocols PIM-SM and PIM-MPLS in the MCI network.

The cost of the trees constructed with MMT and. Multicast tree structure and the power law Article (PDF Available) in IEEE Transactions on Information Theory 52(4) - May with 32 Reads How we measure 'reads'.

in a multicast tree. Nevertheless, ST only focuses on the routing of a multicast tree, instead of jointly optimizing the resource allocations of all trees. Therefore, when the network is heavily loaded, a link will not be able to support a large number of STs that choose the link. Most importantly.

analyzed multicast scaling in tree networks (or random networks) which are not small-world graphs. In this paper we simulate multicast techniques in different network topologies including Erdos-R˝ ´en yi random graphs [16], random graphs with highly variable. Link-layer multicast Many link-layers protocols have multicast capability Ethernet, FDDI Translate IP Multicast address into LL address E.g.

Map 28 bits of IP Multicast address in 23bit Ethernet Multicast addresses Senders send and receive on link-layer Multicast addresses Routers must listen on all possible link-layer MulticastFile Size: 95KB. a light-tree based logical topology for multicast streams.

The light-tree based logical topology is a hypergraph [10], in which each link of the logical topology is a hyperedge. Here a hyperedge is a link by which more than two nodes can be connected. Each hyperedge represents a light-tree in WDM networks.

Abstract. The Quality of Service Multicast Tree Problem is a gener-alization of the Steiner tree problem which appears in the context of multimedia multicast and network design.

In this generalization, each node possesses a rate and the cost of an edge with length l in a Steiner tree T connecting the source to non-zero rate nodes is l ¢ re.

If you want to run multicast between two routers that are connected through a network that doesn't support multicast then a common solution is to use a GRE tunnel to transmit your multicast traffic.

If you use the GRE tunnel only for multicast traffic, you will run into an RPF (Reverse Path Forwardi. One-to-Many Multicast Restoration Based on Dynamic Core-Based Selection Algorithm in WDM Mesh Networks I-Shyan Hwang, *San-Nan Lee, Zen-Der Shyu and Kang-Peng Chen algorithm is defined as each node in multicast tree session must network topologies.

Finally, conclusions are drawn in Section V. Multicast Fault Tolerance. ACX Series,T Series,SRX Series,M Series,EX Most multicast routing protocols perform a reverse-path forwarding (RPF) check on the source of multicast data packets.

If a packet comes in on the interface that is used to send data to the source, the packet is accepted and forwarded to one or more downstream interfaces. III. Multiple Multicast Tree Allocation The multiple multicast tree allocation problem is discussed with integer formulation.

The Chen’s algorithm [3] is modified to consider the link capacity in the network. More efficient multiple multicast tree allocation algorithm MMTA is proposed both for identical and different bandwidth requirement.

Multicast can improve network performance by eliminating unnecessary duplicated flows in the data center networks (DCNs). Thus it can significantly save network bandwidth.

However, the network multicast blocking may cause the retransmission of a large number of data packets and seriously influence the traffic efficiency in data center networks, especially in the fat-tree DCNs with multirooted Cited by: 1.

19 A protocol that builds source-based trees: Distance-Vector Multicast Routing DVMRP is an extension to DV unicast routing ¾Works on top of a conventional distance-vector unicast routing protocol (like RIP) ¾Recall that DV builds a shortest path spanning tree routed at destination DVMRP router forwards a multicast packet if ¾The packet arrived from the link used to reach the.

Figure 2 shows the same plot for a multicast tree with low degree clients and a root with a high degree. In Table II we summarize the best linear fit parameters in a log-log scale for all trees generated for the topology set.

It can be seen that the power law holds even for very small trees, e.g., for a tree with 50 multicast clients that. In our previous work, we have analyzed the worst performance for tree-based and mesh-based multicast along the link stress, the number of overlay hops, and the number of shortest paths.

In this paper, we extend our research through studying the average performance and the difference between the worst and the average performance for these by: 3. 3. Multiple multicast tree allocation.

The multiple multicast tree allocation problem is discussed with integer formulation. The Chen's algorithm is modified to consider the link capacity in the network.

More efficient multiple multicast tree allocation algorithm MMTA is proposed both for identical and different bandwidth by: 1 Distributed Multicast Tree Construction in Wireless Sensor Networks Hongyu Gong1, Luoyi Fu 2, Xinzhe Fu2, Lutian Zhao3, Kainan Wang, and Xinbing Wang 1 1Dept.

of Electronic Engineering, Shanghai Jiao Tong University, :fann, [email protected] 2Dept. of Computer Science, Shanghai Jiao Tong University, China. Email:fyiluofu, fxz, [email protected] of a Multicast Tree P. Van Mieghem and M. Janic Abstract—Most of the currently deployed multicast protocols (e.g.

DVMRP, PIM, MOSPF) build one shortest path multicast tree per sender, the tree being rooted at the sender’s subnetwork.