OSI Model - courses.psu.edu
... on a network and provides no signal regeneration is called a passive hub and is not a repeater • “Hub” is a generic term applied to many different network-connection devices • If a hub in some way segments or subdivides the traffic on a network, it is an intelligent, or ...
... on a network and provides no signal regeneration is called a passive hub and is not a repeater • “Hub” is a generic term applied to many different network-connection devices • If a hub in some way segments or subdivides the traffic on a network, it is an intelligent, or ...
CHAPTER 1: Computer Systems
... Point-to-point connection from each node to the next Last node is connected back to the first to form a closed ring Each node retransmits the signal that it receives from the previous node in the ring Packets are placed on the loop at a node, and travel from node to node until the desired no ...
... Point-to-point connection from each node to the next Last node is connected back to the first to form a closed ring Each node retransmits the signal that it receives from the previous node in the ring Packets are placed on the loop at a node, and travel from node to node until the desired no ...
Chapter 1. Introduction to Data Communications
... • Increases performance in networks with many possible routes from one computer to another • Better suited for “bursty” traffic • Imposes an overhead cost (additional traffic) – Reduces overall network capacity – Should not exceed 20% Copyright 2010 John Wiley & Sons, Inc ...
... • Increases performance in networks with many possible routes from one computer to another • Better suited for “bursty” traffic • Imposes an overhead cost (additional traffic) – Reduces overall network capacity – Should not exceed 20% Copyright 2010 John Wiley & Sons, Inc ...
Chapter 3: Planning Network Data Flow
... • On an Ethernet network, it can carry data at up to 1 Gbps at a maximum distance of 100 meters over a ...
... • On an Ethernet network, it can carry data at up to 1 Gbps at a maximum distance of 100 meters over a ...
Understanding Network Performance in Extreme Congestion Scenario
... Hybrid protocol of path vector protocol and ondemand route discovery Using simulation based on real-world data we demonstrated that our solution is both efficient and ...
... Hybrid protocol of path vector protocol and ondemand route discovery Using simulation based on real-world data we demonstrated that our solution is both efficient and ...
HomePlug AV Technology Overview
... HomePlug AV (HPAV) represents the next generation of technology from the HomePlug Powerline Alliance. Its purpose is to provide high-quality, multi-stream, entertainment oriented networking over existing AC wiring within the home, while addressing interoperability with HomePlug 1.0. HPAV employs adv ...
... HomePlug AV (HPAV) represents the next generation of technology from the HomePlug Powerline Alliance. Its purpose is to provide high-quality, multi-stream, entertainment oriented networking over existing AC wiring within the home, while addressing interoperability with HomePlug 1.0. HPAV employs adv ...
Ethernet Passive Optical Networks
... In an EPON, the process of transmitting data downstream from the OLT to multiple ONUs is fundamentally different from transmitting data upstream from multiple ONUs to the OLT. The different techniques used to accomplish downstream and upstream transmission in an EPON are illustrated in Figures 4 and ...
... In an EPON, the process of transmitting data downstream from the OLT to multiple ONUs is fundamentally different from transmitting data upstream from multiple ONUs to the OLT. The different techniques used to accomplish downstream and upstream transmission in an EPON are illustrated in Figures 4 and ...
lecture
... Build the lookup table Manually? Is it practical? The answer is no. Flooding- Broadcast to all node except the one we have received the packet. ...
... Build the lookup table Manually? Is it practical? The answer is no. Flooding- Broadcast to all node except the one we have received the packet. ...
Introduction to dynamic routing with Quagga
... system can result in slow convergence OSPF – also uses multicast. Calculates shortest path using costs assigned to each link. Easy to setup but less knobs then BGP. Used inside organization BGP – uses TCP session. Can do filtering, route-maps, mangling, etc. Normally used for communicating with ...
... system can result in slow convergence OSPF – also uses multicast. Calculates shortest path using costs assigned to each link. Easy to setup but less knobs then BGP. Used inside organization BGP – uses TCP session. Can do filtering, route-maps, mangling, etc. Normally used for communicating with ...
IP addresses
... 2. No connection is opened with the node; the packet is simply sent to the node. 3. No acknowledgement is sent back to the original sender. • Since the original sender never knows if packet is received, sender never retransmits. • The receiver doesn’t know if it received all of the intended packets. ...
... 2. No connection is opened with the node; the packet is simply sent to the node. 3. No acknowledgement is sent back to the original sender. • Since the original sender never knows if packet is received, sender never retransmits. • The receiver doesn’t know if it received all of the intended packets. ...
Transformational Satellite Communications System (TSAT) Network
... – Latency – reduce/eliminate satellite hops – place services where most needed and used. – Survivability – partitioned areas receive services from local TNSEs. – COI direct support – distributed TNSEs speed response to local COIs. – Autonomous and Endurance mode operations • TNSE continues to provid ...
... – Latency – reduce/eliminate satellite hops – place services where most needed and used. – Survivability – partitioned areas receive services from local TNSEs. – COI direct support – distributed TNSEs speed response to local COIs. – Autonomous and Endurance mode operations • TNSE continues to provid ...
xDSL Modem Interface Description
... LAN port shall be used for Office Internet Access and in case of VDLS2 mode VLAN 35. Tag or untagged traffic shall be accepted from this LAN port and shall be forwarded unmodified to the bridged interface. ...
... LAN port shall be used for Office Internet Access and in case of VDLS2 mode VLAN 35. Tag or untagged traffic shall be accepted from this LAN port and shall be forwarded unmodified to the bridged interface. ...
FrameSaver SLV 9126 Router Quick Reference - 9126-A2
... Before starting to use the FrameSaver SLV Router, it is recommended that you download the User’s Guide so you have access to information about the unit, then print chapters or sections you may want to reference. This quick reference contains: ...
... Before starting to use the FrameSaver SLV Router, it is recommended that you download the User’s Guide so you have access to information about the unit, then print chapters or sections you may want to reference. This quick reference contains: ...
luxor - FX Luminaire
... character space and repeat the process until the full password is entered. ...
... character space and repeat the process until the full password is entered. ...
Comparison of IP Micromobility Protocols
... Eliminating registration in this manner reduces the signaling load experienced by the network in support of mobility. To minimize poor performance during handoff, micromobility protocols support fast, seamless, local mobility. As the numbers of wireless users grow so will the signaling overhead asso ...
... Eliminating registration in this manner reduces the signaling load experienced by the network in support of mobility. To minimize poor performance during handoff, micromobility protocols support fast, seamless, local mobility. As the numbers of wireless users grow so will the signaling overhead asso ...
Letian Li - Dr. John Durrett
... an effort to find unprotected modems. An attacker can scan in excess of a thousand telephone numbers in a single night using a single computer with a single phone line. More computers and phone line make the ...
... an effort to find unprotected modems. An attacker can scan in excess of a thousand telephone numbers in a single night using a single computer with a single phone line. More computers and phone line make the ...
AV specification
... HomePlug AV (HPAV) represents the next generation of technology from the HomePlug Powerline Alliance. Its purpose is to provide high-quality, multi-stream, entertainment oriented networking over existing AC wiring within the home, while addressing interoperability with HomePlug 1.0. HPAV employs adv ...
... HomePlug AV (HPAV) represents the next generation of technology from the HomePlug Powerline Alliance. Its purpose is to provide high-quality, multi-stream, entertainment oriented networking over existing AC wiring within the home, while addressing interoperability with HomePlug 1.0. HPAV employs adv ...
20101007-LHCOPN-JZ - Indico
... and 10 Gbps to serve these sites. Building a 2 X 2 mesh among 40 sites would mean ~780 circuits, for example, with an aggregate provisioned bandwidth of several terabits/sec (Tbps) – GP campus networks use firewalls since they must accommodate a huge number of disparate devices, and provide access f ...
... and 10 Gbps to serve these sites. Building a 2 X 2 mesh among 40 sites would mean ~780 circuits, for example, with an aggregate provisioned bandwidth of several terabits/sec (Tbps) – GP campus networks use firewalls since they must accommodate a huge number of disparate devices, and provide access f ...
Document
... and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large – Configuration file:/etc/logrotate.conf (see the manual page for logrotate) – Run logrotate as a cron job TELE 301 Lecture 10: Scheduled … ...
... and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large – Configuration file:/etc/logrotate.conf (see the manual page for logrotate) – Run logrotate as a cron job TELE 301 Lecture 10: Scheduled … ...
Mobility
... care-of-address: used by home agent to forward datagrams to mobile foreign agent functions may be done by mobile itself triangle routing: correspondent-home-networkmobile inefficient when correspondent, mobile are in same network Lecture 8: Mobility ...
... care-of-address: used by home agent to forward datagrams to mobile foreign agent functions may be done by mobile itself triangle routing: correspondent-home-networkmobile inefficient when correspondent, mobile are in same network Lecture 8: Mobility ...
Detecting Wireless LAN MAC Address Spoofing Joshua Wright
... these tools rely on using a faked MAC address, masquerading as an authorized wireless access point or as an authorized client. Using these tools, an attacker can launch denial of service attacks, bypass access control mechanisms, or falsely advertise services to wireless clients. This presents uniqu ...
... these tools rely on using a faked MAC address, masquerading as an authorized wireless access point or as an authorized client. Using these tools, an attacker can launch denial of service attacks, bypass access control mechanisms, or falsely advertise services to wireless clients. This presents uniqu ...
- SCT Web Site
... through microwave signals o Direct broadcast satellite (DBS)—consumer satellite technology that receives digital TV signals through a reception dish o Requires the computer system to have a special communications device called a network access point—sends and receives data between computer that cont ...
... through microwave signals o Direct broadcast satellite (DBS)—consumer satellite technology that receives digital TV signals through a reception dish o Requires the computer system to have a special communications device called a network access point—sends and receives data between computer that cont ...