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Florida Department of Transportation
Florida Department of Transportation

... 1. IEEE 802.1D standard for media access control (MAC) bridges used with the Spanning Tree Protocol (STP). 2. IEEE 802.1Q standard for port-based virtual local area networks (VLANs). 3. IEEE 802.1P standard for Quality of Service (QoS). 4. IEEE 802.1w standard for MAC bridges used with the Rapid Spa ...
Lecture note 4
Lecture note 4

... New VC number comes from forwarding table Network Layer 4-13 ...
Module 15: Network Structures A Distributed System
Module 15: Network Structures A Distributed System

... ■ Computation Migration – transfer the computation, rather than the data, across the system. ...
(PPT, 172KB)
(PPT, 172KB)

ppt - Nimbus
ppt - Nimbus

Chapter 15
Chapter 15

...  Data Migration – transfer data by transferring entire file, or transferring only those portions of the file necessary for the immediate task.  Computation Migration – transfer the computation, rather than the data, across the system. ...
Why Steiner-tree type algorithms work for community detection
Why Steiner-tree type algorithms work for community detection

Ethernet
Ethernet

... In a converged network, all routers have upto-date, accurate information and their routing tables are consistent. (But not the same.) Networks are not properly operational until they have converged. RIP and IGRP, traditional distance vector routing protocols, are slow to converge Link state such as ...
Radio Access Network Architecture
Radio Access Network Architecture

... CONTROL PLANE Used for all control signaling within transport layer  Does not include any radio network layer information  Includes ALCAP (Access Link Control Application Part) protocol used to set up the transport bearers (data bearer) for user plane ...
Document
Document

... mathematical values for internetwork delay, bandwidth, reliability, and load. These constants are expressed as certain metric and administrator can vary it. • IGRP permits multipath routing (round-robin algorithm of choosing the way of available routes even if they are of not equal ...
A hybrid MAC protocol for a metro WDM network arrayed-waveguide grating
A hybrid MAC protocol for a metro WDM network arrayed-waveguide grating

... networks have attracted much attention in the literature [17–19]. In this paper, we develop a novel MAC protocol for an innovative AWG-based metro WDM network. The proposed network significantly differs from the networks presented in the existing literature: (1) Resources (time slots, wavelength chan ...
Measuring BGP - Geoff Huston
Measuring BGP - Geoff Huston

... the absolute level of noise is low (so far) Most routing table flux is in the /24 to /32 prefix space – as this space gets relatively larger so will total routing table flux levels ...
c 2009 IEEE. Personal use of this material is permitted. However
c 2009 IEEE. Personal use of this material is permitted. However

... is exploited where nodes exchange encounter probabilities and the probability of indirectly encountering the destination node is evaluated. Similarly [28] and [50] define probability based on node encounters in order to calculate the cost of the route. In other work, [11] and [20] use the so-called ...
STCP: A Generic Transport Layer Protocol for Wireless Sensor
STCP: A Generic Transport Layer Protocol for Wireless Sensor

... office domain. Every application has different characteristics and requirements such as sensed data type, rate of data transmission and reliability. Existing transport layer protocols for sensor networks are either tailored for certain applications or assume that the nodes employ a particular networ ...
A Routing Protocol for k
A Routing Protocol for k

... Want all mobile clients to be aware of their surrounding gateways at all times Want to support multiple paths to a destination Want fast recovery in the case of route breakages Two-tiered routing structure  Between ...
Emulating Mobile Ad-hoc Networks of Hand
Emulating Mobile Ad-hoc Networks of Hand

... mented as a TCP server listening for special “movement” commands sent by software on board of devices. We know this breaks our constraint, which states software on devices do not have to be modified when removing emulator. Anyway, changes, if any, are extremely bounded. Basically they consist in “com ...
11-16/1057r1 - IEEE Mentor
11-16/1057r1 - IEEE Mentor

... Actions from the 802 EC 5G/IMT2020 SC [1] Action B3: external partner proposal ▫ Support development of a 3GPP proposal incorporating reference to the use of IEEE 802.11, or an IEEE 802 Access Network. ▫ Reference 802 network presumed to operate in non-IMT bands ▫ for example, 802.11ax in 5 GHz band ...
Liu-TMC07-slide
Liu-TMC07-slide

... and report to one or more sink nodes Sensor network is considered as a distributed database, where information can be extracted only when needed  Communications ...
Class Power Points for Chapter #9
Class Power Points for Chapter #9

... pretty ineffective for several reasons. • First, anyone connecting to the physical network could access the network resources on that physical LAN. • Second, all anyone had to do to observe any and all traffic in that network was to plug a network analyzer into the hub ...
The Hidden Cost of Hidden Terminals
The Hidden Cost of Hidden Terminals

... (DCF) is a medium access control (MAC) layer random access protocol based on carrier sense multiple access with collision avoidance (CSMA/CA). Due to the apparent “fair” nature of the CSMA/CA random access scheme, it is widely assumed that long term channel access fairness is guaranteed in 802.11 WL ...
Chapter 5 - Department of Computer Engineering
Chapter 5 - Department of Computer Engineering

... trip from Princeton to Lausanne  limo: Princeton to JFK  plane: JFK to Geneva  train: Geneva to Lausanne ...
Evaluation of Signal Processing Resource Management Algorithms
Evaluation of Signal Processing Resource Management Algorithms

... • The simulation test after adding GS and CL into traffic nodes (the same prerequisite) ...
outdoor environment sensing using wireless sensor networks with
outdoor environment sensing using wireless sensor networks with

... in addition to its purpose has ability to get deployed in various other environments, but it has been especially designed and developed for the outdoor environment sensing with respect to agricultural productions (OESA) in any location or country. The requirements that adopting a WSN are expected to ...
Linux+ Guide to Linux Certification
Linux+ Guide to Linux Certification

Student Workbook
Student Workbook

< 1 ... 82 83 84 85 86 87 88 89 90 ... 265 >

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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