MORA: a movement-based routing algorithm for ad hoc networks
... needs to flood the network in order to find the receiver and determine a path to reach it. The flooding process can still use a significant amount of the scarce available transmission resources. They are adaptive to ”sleep period” operation, since inactive nodes simply do not partecipate at the time ...
... needs to flood the network in order to find the receiver and determine a path to reach it. The flooding process can still use a significant amount of the scarce available transmission resources. They are adaptive to ”sleep period” operation, since inactive nodes simply do not partecipate at the time ...
lecture3
... – Smaller, cheaper computers. – Single organization owned several computers. • E.g., each department could afford its own. ...
... – Smaller, cheaper computers. – Single organization owned several computers. • E.g., each department could afford its own. ...
Where Have We Been? - IIS Windows Server
... In broadcast topologies, we need a way to resolve unknown destination MAC addresses. ARP is protocol where the sending device sends out a broadcast ARP request which says, “What’s you MAC address?” If the destination exists on the same LAN segment as the source, then the destination replies with its ...
... In broadcast topologies, we need a way to resolve unknown destination MAC addresses. ARP is protocol where the sending device sends out a broadcast ARP request which says, “What’s you MAC address?” If the destination exists on the same LAN segment as the source, then the destination replies with its ...
Nikolaos-VMeshPresentationRNP
... Disadvantage: It currently requires physical access to the device (access to the hardware reset button). In newer versions of the firmware, this should be fixed, allowing remote firmware replacement. RNP Workshop, 2005, Brazil Nikolaos Tsarmpopoulos, University of Thessaly ...
... Disadvantage: It currently requires physical access to the device (access to the hardware reset button). In newer versions of the firmware, this should be fixed, allowing remote firmware replacement. RNP Workshop, 2005, Brazil Nikolaos Tsarmpopoulos, University of Thessaly ...
TCP Performance Issues in Ad Hoc Networks
... Inappropriate reduction of congestion window TCP backs off upon detection of packet loss Slow-start assumes that unacknowledged segments are due to network congestion. While this is an acceptable assumption for many networks, segments may be lost for other reasons, such as poor data link layer ...
... Inappropriate reduction of congestion window TCP backs off upon detection of packet loss Slow-start assumes that unacknowledged segments are due to network congestion. While this is an acceptable assumption for many networks, segments may be lost for other reasons, such as poor data link layer ...
Chapter 1 Lecture Slides - Classes
... Chapter 1: roadmap 1 What is the Internet? 2 Network edge 3 Network core 4 Internet structure and ISPs 5 Protocol layers, service models 6 Delay & loss in packet-switched networks ...
... Chapter 1: roadmap 1 What is the Internet? 2 Network edge 3 Network core 4 Internet structure and ISPs 5 Protocol layers, service models 6 Delay & loss in packet-switched networks ...
What Is an Enterprise Session Border Controller? An Oracle White Paper
... sessions) and media information (digitized voice and video). Signaling information and media information flow under the direction of different IP protocols and move over separate paths. SIP is used to establish and manage sessions. Real-time Transport Protocol (RTP) is used to deliver the associated ...
... sessions) and media information (digitized voice and video). Signaling information and media information flow under the direction of different IP protocols and move over separate paths. SIP is used to establish and manage sessions. Real-time Transport Protocol (RTP) is used to deliver the associated ...
File - Shashank Srivastava
... •First Ethernet specification to use a bus topology with an external transceiver (transmitter/receiver) connected via a tap to a thick coaxial cable. •The transceiver is responsible for transmitting, receiving and detecting collisions. •Transceiver is connected to the station via a transceiver cable ...
... •First Ethernet specification to use a bus topology with an external transceiver (transmitter/receiver) connected via a tap to a thick coaxial cable. •The transceiver is responsible for transmitting, receiving and detecting collisions. •Transceiver is connected to the station via a transceiver cable ...
Why Fat-Tree? - Northwestern Networks Group
... Fat tree has identical bandwidth at any bisections Each layer has the same aggregated bandwidth Can be built using cheap devices with uniform capacity Each port supports same speed as end host All devices can transmit at line speed if packets are distributed uniform along available paths ...
... Fat tree has identical bandwidth at any bisections Each layer has the same aggregated bandwidth Can be built using cheap devices with uniform capacity Each port supports same speed as end host All devices can transmit at line speed if packets are distributed uniform along available paths ...
Windows Server 2008 R2 Overview Part 2 Technical
... down to the Transport Layer (TCP). The transport layer then sends the data to the client. ...
... down to the Transport Layer (TCP). The transport layer then sends the data to the client. ...
SDN - RedIRIS
... MASSIVE PARADIGM SHIFT FROM CLOSED, STATIC CONFIGURATION TO OPEN, DYNAMIC ADAPTATION ...
... MASSIVE PARADIGM SHIFT FROM CLOSED, STATIC CONFIGURATION TO OPEN, DYNAMIC ADAPTATION ...
Chapter 1: A First Look at Windows 2000 Professional
... Limit traffic and eliminate bottlenecks Can connect different network architectures Work at Data Link layer Read ...
... Limit traffic and eliminate bottlenecks Can connect different network architectures Work at Data Link layer Read ...
39_Ashwani Kush.pmd
... System for Mobile Ad-Hoc Networks with Liars [8]. Nodes accept second hand information only if this does not differ too much from their reputation values. Direct observations are always accepted and the reputation values updated accordingly. An indirect (second hand) observation arises from interact ...
... System for Mobile Ad-Hoc Networks with Liars [8]. Nodes accept second hand information only if this does not differ too much from their reputation values. Direct observations are always accepted and the reputation values updated accordingly. An indirect (second hand) observation arises from interact ...
Q1 on Ch02 Networking Fundamentals
... Which of the following were disadvantages of electronic bulletin boards? (Choose 3.) ...
... Which of the following were disadvantages of electronic bulletin boards? (Choose 3.) ...
IP Addressing and DNS
... request will arrive at java.sun.com which will contain the authoritative resource record for the requested host. Once found, the reply works its way back up through the chain until it reaches ccse.kfupm.edu.sa, which passes on the information to the resolver running on ...
... request will arrive at java.sun.com which will contain the authoritative resource record for the requested host. Once found, the reply works its way back up through the chain until it reaches ccse.kfupm.edu.sa, which passes on the information to the resolver running on ...
Gigabit Smart Managed Switches
... guarantee the quality and security of VoIP traffic. The DSCP markings on Ethernet packets enable different levels of service to be assigned to network traffic. As a result, these voice and video packets take precedence over other packets. In addition, with bandwidth control, network administrators c ...
... guarantee the quality and security of VoIP traffic. The DSCP markings on Ethernet packets enable different levels of service to be assigned to network traffic. As a result, these voice and video packets take precedence over other packets. In addition, with bandwidth control, network administrators c ...
Lecture 12 - Personal Web Pages - University of North Carolina at
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections ...
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections ...
Intradomain routing
... the entire Internet topology Different organizations may use different routing policies ...
... the entire Internet topology Different organizations may use different routing policies ...
How a Switch Works
... for errors before forwarding it on to the frame’s destination network segment. If a frame fails this inspection, the switch drops the frame from its buffers, and the frame is thrown in to the proverbial bit bucket. A drawback to the store-and-forward switching method is one of performance, because t ...
... for errors before forwarding it on to the frame’s destination network segment. If a frame fails this inspection, the switch drops the frame from its buffers, and the frame is thrown in to the proverbial bit bucket. A drawback to the store-and-forward switching method is one of performance, because t ...
product catalog 02-17 v1 - SM
... When addressing the refurbishing of a Networking infrastructure, the activities to be carried out will depend on the network state, the products deployed, type of services running and new services to be introduced. The first step is to consolidate the existing infrstructure resulting in a solid tran ...
... When addressing the refurbishing of a Networking infrastructure, the activities to be carried out will depend on the network state, the products deployed, type of services running and new services to be introduced. The first step is to consolidate the existing infrstructure resulting in a solid tran ...
1. Introduction - Telecommunications Industry Association
... by MLTS installations. The “model legislation” specifically exempts IP Telephony support of E911 until two years after appropriate standards for such support are developed. The model legislation has been approved by NENA, and will be forwarded soon to State legislatures and the FCC for consideration ...
... by MLTS installations. The “model legislation” specifically exempts IP Telephony support of E911 until two years after appropriate standards for such support are developed. The model legislation has been approved by NENA, and will be forwarded soon to State legislatures and the FCC for consideration ...
Network Coding and Reliable Communications
... theory and networking, in collaboration with other faculty at RLE, as well as at CSAIL, MTL, LIDS, Caltech, the University of Illinois Urbana-Champaign (UIUC), Stanford, the University of Porto, the University of Aalborg, the University of Waterloo, Northeaster University and the Technical Universit ...
... theory and networking, in collaboration with other faculty at RLE, as well as at CSAIL, MTL, LIDS, Caltech, the University of Illinois Urbana-Champaign (UIUC), Stanford, the University of Porto, the University of Aalborg, the University of Waterloo, Northeaster University and the Technical Universit ...
the User Manual of Fingbox
... sent every time a new unknown device comes online in your network. This is great to detect network intrusions. Alert on state change: go to the node details and enable it. An alert is sent every time alert-enabled nodes change state. This is great for monitoring when a server shuts down or reboots ...
... sent every time a new unknown device comes online in your network. This is great to detect network intrusions. Alert on state change: go to the node details and enable it. An alert is sent every time alert-enabled nodes change state. This is great for monitoring when a server shuts down or reboots ...
EWA: an Adaptive Algorithm for Energy Saving in IP-over-WDM Networks
... traffic demands D(t), there must be at least one path in the LT determined by yl (t) to route each traffic demand. Therefore the first step of EWA is to ensure that all the demands are routable. In particular, starting from the current network configuration the unroutable demands are identified and ...
... traffic demands D(t), there must be at least one path in the LT determined by yl (t) to route each traffic demand. Therefore the first step of EWA is to ensure that all the demands are routable. In particular, starting from the current network configuration the unroutable demands are identified and ...