1b.chapter1
... a layer should be created where a different level of abstraction is needed; each layer should perform a well defined function) The function of each layer should be chosen with an eye toward defining internationally standardized protocols ...
... a layer should be created where a different level of abstraction is needed; each layer should perform a well defined function) The function of each layer should be chosen with an eye toward defining internationally standardized protocols ...
Experimental framework
... Desire for speech input for handheld devices (mobile phones, PDA’s, etc.) ...
... Desire for speech input for handheld devices (mobile phones, PDA’s, etc.) ...
Intro to Wireless Mesh Networks - McMaster Computing and Software
... through wired Ethernet – Adding more backhaul access modems only increases capacity locally, but does not improve robustness to link failures, network congestion and other problems of the entire enterprise network. ...
... through wired Ethernet – Adding more backhaul access modems only increases capacity locally, but does not improve robustness to link failures, network congestion and other problems of the entire enterprise network. ...
Computer Security: Principles and Practice, 1/e
... Sockets Layer (SSL) / Transport Layer Security (TLS) IPsec: IPv4 and IPv6 Security S/MIME (Secure/Multipurpose Internet Mail Extension) ...
... Sockets Layer (SSL) / Transport Layer Security (TLS) IPsec: IPv4 and IPv6 Security S/MIME (Secure/Multipurpose Internet Mail Extension) ...
Link layer addressing and Ethernet
... frames are being transmitted on the channel without collisions when there is a large number of active nodes with large number of frames to send. tprop = max prop between 2 nodes in LAN ttrans = time to transmit max-size frame (approx 1.2 msecs on ...
... frames are being transmitted on the channel without collisions when there is a large number of active nodes with large number of frames to send. tprop = max prop between 2 nodes in LAN ttrans = time to transmit max-size frame (approx 1.2 msecs on ...
Evaluating OSPF
... on the OSPF packet, the key, and the keyid to generate a "message digest" that gets appended to the packet. Unlike the simple authentication, the key is not exchanged over the wire. A non-decreasing sequence number is also included in each OSPF packet to protect against replay attacks. ...
... on the OSPF packet, the key, and the keyid to generate a "message digest" that gets appended to the packet. Unlike the simple authentication, the key is not exchanged over the wire. A non-decreasing sequence number is also included in each OSPF packet to protect against replay attacks. ...
$doc.title
... • Let Pr(AB) be probability that both A and B occur • What is the condiHonal probability that A occurs assuming B ...
... • Let Pr(AB) be probability that both A and B occur • What is the condiHonal probability that A occurs assuming B ...
Slide set #4
... Token Ring Token Bus Packet: small chunk of data. Protocol: a set of rules that governs the operation of functional units to achieve communication. TCP/IP: Transport protocols concurrently with existing Ethernet. NFS: network file system - file system sharing, remote disk mounting. ...
... Token Ring Token Bus Packet: small chunk of data. Protocol: a set of rules that governs the operation of functional units to achieve communication. TCP/IP: Transport protocols concurrently with existing Ethernet. NFS: network file system - file system sharing, remote disk mounting. ...
Ch04 : Simple Network Troubleshooting
... FIFO and Overrun Errors: The number of times that the NIC was unable of handing data to its memory buffers because the data rate the capabilities of the hardware. This is usually a sign of excessive traffic. Length Errors: The received frame length was less than or exceeded the Ethernet standard. Th ...
... FIFO and Overrun Errors: The number of times that the NIC was unable of handing data to its memory buffers because the data rate the capabilities of the hardware. This is usually a sign of excessive traffic. Length Errors: The received frame length was less than or exceeded the Ethernet standard. Th ...
An Energy-efficient MAC protocol for Wireless Sensor
... interrelated units of data Transmitting a long message as a packet is disadvantageous as the re-transmission cost is high Fragmentation into small packets will lead to high control overhead as each packet ...
... interrelated units of data Transmitting a long message as a packet is disadvantageous as the re-transmission cost is high Fragmentation into small packets will lead to high control overhead as each packet ...
XORs in The Air: Practical Wireless Network Coding
... • Broadcast Ethernet packets at the 2Mbit/s rate for all protocol implementations • The size of the file we distributed was 6.1 MBytes, which at the 1.7 Mbit/s link rate of our testbed takes about 30 seconds to transfer.We limited the experiment run time to 300 seconds. ...
... • Broadcast Ethernet packets at the 2Mbit/s rate for all protocol implementations • The size of the file we distributed was 6.1 MBytes, which at the 1.7 Mbit/s link rate of our testbed takes about 30 seconds to transfer.We limited the experiment run time to 300 seconds. ...
fw_detect
... sequence by using simple scanning, banner grabbing, etc. They may even be able to identify the version, type, and maybe even some certain rules. This identification doesn't seem important, but once they map out your firewall's strategic points, weaknesses begin to surface. About the most simplest de ...
... sequence by using simple scanning, banner grabbing, etc. They may even be able to identify the version, type, and maybe even some certain rules. This identification doesn't seem important, but once they map out your firewall's strategic points, weaknesses begin to surface. About the most simplest de ...
Set Up a Wireless Connection using Apple Mac OS 10.5
... wireless channel used by your modem to try and avoid those interferences. Start by trying channels 1, 6 or 11, then try all channels in between if necessary. Wait for 60 seconds each time after changing the channel to verify if the signal has improved. As all environments are different, there is no ...
... wireless channel used by your modem to try and avoid those interferences. Start by trying channels 1, 6 or 11, then try all channels in between if necessary. Wait for 60 seconds each time after changing the channel to verify if the signal has improved. As all environments are different, there is no ...
mMOM: Efficient Mobile Multicast Support Based on the Mobility of
... mMOM: Efficient Mobile Multicast Support Based on the Mobility of Mobile Hosts YUNGOO HUH and CHEEHA KIM Presented by Kiran Kumar Bankupally ...
... mMOM: Efficient Mobile Multicast Support Based on the Mobility of Mobile Hosts YUNGOO HUH and CHEEHA KIM Presented by Kiran Kumar Bankupally ...
A Network
... Dealing with complex systems: • Layering model is a solution to the problem of complexity in network protocols • Model suggests dividing the network protocol into layers, each of which solves part of the network communication problem • These layers have several constraints, which ease the design pro ...
... Dealing with complex systems: • Layering model is a solution to the problem of complexity in network protocols • Model suggests dividing the network protocol into layers, each of which solves part of the network communication problem • These layers have several constraints, which ease the design pro ...
Rethinking the Service Model: Scaling Ethernet to a Million Nodes∗
... any location on the network; no manual configuration was required; and any host could reach all other hosts on the network with a single broadcast message. Over the years, as Ethernet has been almost completely transformed, this service model has remained remarkably unchanged. It is the need to supp ...
... any location on the network; no manual configuration was required; and any host could reach all other hosts on the network with a single broadcast message. Over the years, as Ethernet has been almost completely transformed, this service model has remained remarkably unchanged. It is the need to supp ...
No Slide Title - BNRG - University of California, Berkeley
... Plug FC devices directly into iFCP switches Session and naming semantics ...
... Plug FC devices directly into iFCP switches Session and naming semantics ...
Chapter1-Intro - Communications Systems Center (CSC)
... client host requests, receives service from always-on server e.g. Web browser/server; email client/server ...
... client host requests, receives service from always-on server e.g. Web browser/server; email client/server ...
Chapter 15 Local Area Network Overview
... • Switch has multiple parallel data paths — Can handle multiple frames at a time ...
... • Switch has multiple parallel data paths — Can handle multiple frames at a time ...
TCP/IP protokolu kopa
... The Internet Society (ISOC). A group of volunteers who manages the standards of TCP/IP The Internet Architecture Board (IAB) is the technical advisory group of ISOC, and responsible for setting standards, publishing RFCs and overseeing the Internet Standards process. RFCs. A document written by anyo ...
... The Internet Society (ISOC). A group of volunteers who manages the standards of TCP/IP The Internet Architecture Board (IAB) is the technical advisory group of ISOC, and responsible for setting standards, publishing RFCs and overseeing the Internet Standards process. RFCs. A document written by anyo ...
Overview of Sensor Networks
... microprocessor, data storage, sensors, analog-todigital converters (ADCs), a data transceiver, controllers that tie the pieces together, and an energy source. Recently, a new operating point has emerged that suits all these components. As semiconductor circuits become smaller, they consume less powe ...
... microprocessor, data storage, sensors, analog-todigital converters (ADCs), a data transceiver, controllers that tie the pieces together, and an energy source. Recently, a new operating point has emerged that suits all these components. As semiconductor circuits become smaller, they consume less powe ...
Ch05a
... Breaking outgoing messages from the application layer into a set of smaller segments for transmission through network. When the transport layer is set up, it determines what size segments will make best use of its data link protocols. ...
... Breaking outgoing messages from the application layer into a set of smaller segments for transmission through network. When the transport layer is set up, it determines what size segments will make best use of its data link protocols. ...
Overview of VoIP - ITU
... – Call transfer, call on hold, caller ID, etc. Interworking between the traditional voice network and the IP network – Seamless services – Addressing, classification – Quality of service, MTBF, MTTR – Security and confidentiality Billing Operations and management ...
... – Call transfer, call on hold, caller ID, etc. Interworking between the traditional voice network and the IP network – Seamless services – Addressing, classification – Quality of service, MTBF, MTTR – Security and confidentiality Billing Operations and management ...
Broszura PDF - dataline
... The PCB depaneling phase should never be a bottleneck in your production, not in terms of quality, cycle time, change-over time or maintenance. Therefore the right choice for high volume depaneling is the Cencorp 1000 Volume Router (VR). Cencorp 1000 VR concept provides the best reliable handling fo ...
... The PCB depaneling phase should never be a bottleneck in your production, not in terms of quality, cycle time, change-over time or maintenance. Therefore the right choice for high volume depaneling is the Cencorp 1000 Volume Router (VR). Cencorp 1000 VR concept provides the best reliable handling fo ...
Wake-on-LAN
Wake-on-LAN (WoL) is an Ethernet or Token ring computer networking standard that allows a computer to be turned on or awakened by a network message.The message is usually sent by a program executed on another computer on the same local area network. It is also possible to initiate the message from another network by using subnet directed broadcasts or a WOL gateway service. Equivalent terms include wake on WAN, remote wake-up, power on by LAN, power up by LAN, resume by LAN, resume on LAN and wake up on LAN. In case the computer being awakened is communicating via Wi-Fi, a supplementary standard called Wake on Wireless LAN (WoWLAN) must be employed.The WOL and WoWLAN standards are often supplemented by vendors to provide protocol-transparent on-demand services, for example in the Apple Bonjour wake-on-demand (Sleep Proxy) feature.