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37th Annual IEEE Conference on Local Computer Networks
Flow-Path: An AllPath flow-based protocol
Clearwater Beach, FL, USA USA
October 22-October 25
ISBN: 978-1-4673-1565-4
Elisa Rojas, Depto. Automática. Universidad de Alcalá (UAH), Alcalá de Henares, Spain
Guillermo Ibanez, Depto. Automática. Universidad de Alcalá (UAH), Alcalá de Henares, Spain
Diego Rivera, Depto. Automática. Universidad de Alcalá (UAH), Alcalá de Henares, Spain
Juan A. Carral, Depto. Automática. Universidad de Alcalá (UAH), Alcalá de Henares, Spain
This paper describes Flow-Path, an AllPath flow-based switching protocol that features improved load adaptive properties. Upon arrival of a new flow to the network, it explores every possible path reaching from source to destination host and selects the lowest latency path at the moment. It is based on the same basic principle than ARP-Path, that is, snooping the ARP protocol dialog (request and reply messages) to explore all available paths at the same time that address resolution takes place, but it is flow-based instead of source address-based. While preserving the main advantages of ARP-Path: shortest path bridging exploiting the full network topology, Flow-Path has the advantages of full independence of flows at the time of path creation and guarantees path symmetry (congruency) and increased path diversity. Flow-Path thus improves load distribution, at the expense of increased address table size in each bridge.
Index Terms:
Protocols,Bridges,Ports (Computers),Topology,Network topology,IP networks,Servers,Shortest path bridges,Ethernet,Routing bridges
Citation:
Elisa Rojas, Guillermo Ibanez, Diego Rivera, Juan A. Carral, "Flow-Path: An AllPath flow-based protocol," lcn, pp.244-247, 37th Annual IEEE Conference on Local Computer Networks, 2012
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