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Computer Networks - Career Center Construction Technology
Computer Networks - Career Center Construction Technology

... • In addition to these types, the following characteristics are also used to categorize different types of networks: • topology : The geometric arrangement of a computer system. Common topologies include a bus, star, and ring. See the Network topology diagrams in the Quick Reference section of Web ...
PowerPoint Presentation - Slide 1
PowerPoint Presentation - Slide 1

... For a minority of the most stringent applications (e.g. Broadcast TV or financial data applications), it is very unlikely that 1:N or even 1:1 network based protection switching will provide the required level of performance. For these applications the customer may require two diverse physical paths ...
Hwk 5 Soln
Hwk 5 Soln

... are studying a map to determine the shortest route to your destination. Depending on which route you choose, there are five other towns (call them A, B, C, D, E) that you might pass through on the way. The map shows the mileage along each road that directly connects two towns without any intervening ...
IETF 82
IETF 82

... In an MPLS-TP network without IP, how do you determine the Ethernet MAC address of the next hop? • No standard answer to this basic question • Some implementations using broadcast address or relying on static MAC configuration; both have problems • Considerations differ for point-to-point vs. multip ...
The Omega Testbed 1 - OpNeAR Lab
The Omega Testbed 1 - OpNeAR Lab

... delay on the ethernet links with a maximum delay of 7.9ms ...
Abstract - Chennai Sunday
Abstract - Chennai Sunday

... acknowledgement . but it did not describe how the packet to redirected once node within the path is unavailable or corrupted. ...
Slides
Slides

Shortest Path Bridging IEEE 802.1aq Overview
Shortest Path Bridging IEEE 802.1aq Overview

... 802.1aq Shortest Path Bridging is being standardized by the IEEE as an evolution of the various spanning tree protocols. 802.1aq allows for true shortest path routing, multiple equal cost paths, much larger layer 2 topologies, faster convergence, vastly improved use of the mesh topology, single poin ...
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IEEE 802.1aq

Shortest Path Bridging (SPB), specified in the IEEE 802.1aq standard, is a computer networking technology intended to simplify the creation and configuration of networks, while enabling multipath routing.For non-experts, or non-technical readers SPB is an IEEE standard that combines many functions of routing, bridging, load balancing (link aggregration, multi-chassis link aggregation, equal-cost multi-path routing, network virtualization) and tunneling (virtual routing and forwarding, stealth networks, layer-2 virtual service networks (L2VSN), and layer-3 virtual service networks (L3VSN)) into a single easy to configure protocol, which can yield a variety of benefits such as better fault tolerance, increased bandwidth, and improved security.Shortest Path Bridging is the replacement for the older spanning tree protocols (STP) (spanning tree protocol IEEE 802.1D, rapid spanning tree protocol (RSTP) IEEE 802.1w, multiple spanning tree protocol (MSTP) IEEE 802.1s) that permitted only a single path toward the root bridge and blocked any redundant paths that could result in a layer 2 loop. SPB allows all paths to be active with multiple equal cost paths, and provides much larger layer 2 topologies (up to 16 million compared to the traditional virtual local area network (VLAN) limit of 4,096 specified in the IEEE standard 802.1Q). It also supports faster convergence times, and improves the efficiency of the mesh topologies through increased bandwidth and redundancy between all devices, allowing traffic to load share across all paths of a mesh network. To enhance resiliency in the access layer SPB can also be integrated with link aggregation functions, such as standards-based link aggregation (IEEE 802.1AX) and proprietary multi-chassis link aggregation (MC-LAG) implementations.The technology provides logical Ethernet networks on native Ethernet infrastructures using a link state protocol to advertise both topology and logical network membership. Packets are encapsulated at the edge either in media access control-in-media access control (MAC-in-MAC) 802.1ah or tagged 802.1Q/802.1ad frames and transported only to other members of the logical network. Unicast, multicast, and broadcast are supported and all routing is on a symmetric shortest paths.The control plane is based on the Intermediate System to Intermediate System (IS-IS), leveraging a small number of extensions defined in Request for Comments(RFC) 6329.
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