Ethernet in Automation
... Master/Slave communikation – and user organisations: Communication in the subsystems of automation equipment providers is handled in most cases with the use of master-slave communication. The bus master performs network channel arbitration and thus avoids collisions. Some systems employ dedicated IC ...
... Master/Slave communikation – and user organisations: Communication in the subsystems of automation equipment providers is handled in most cases with the use of master-slave communication. The bus master performs network channel arbitration and thus avoids collisions. Some systems employ dedicated IC ...
Chapter 3 Dynamic Routing Protocols
... Only knows the routing information received from its neighbors. Does not know if another path would actually be faster. Would another path that is longer actually be faster? (speed limit) ...
... Only knows the routing information received from its neighbors. Does not know if another path would actually be faster. Would another path that is longer actually be faster? (speed limit) ...
TinyOS – A Skeleton OS for Networks of Embedded Systems
... nesC much nicer to use than TinyOS: ...
... nesC much nicer to use than TinyOS: ...
TinyOS – A Skeleton OS for Networks of Embedded Systems
... nesC much nicer to use than TinyOS: ...
... nesC much nicer to use than TinyOS: ...
On Demand Network-wide VPN Deployment in GPRS
... the security endpoints. Phase 2 negotiates an IPsec SA using the pre-established channel. Multiple IPsec SAs can be established from a single ISAKMP SA, which may be considered as a “control channel”, where IKE is the control protocol. Both AH and ESP support two modes of use: transport and tunnel m ...
... the security endpoints. Phase 2 negotiates an IPsec SA using the pre-established channel. Multiple IPsec SAs can be established from a single ISAKMP SA, which may be considered as a “control channel”, where IKE is the control protocol. Both AH and ESP support two modes of use: transport and tunnel m ...
ss7 structure - Home - KSU Faculty Member websites
... signaling and controlling switches and databases (intelligence) ...
... signaling and controlling switches and databases (intelligence) ...
Ch. 13 - PPP
... Mechanical/physical – Number of pins and connector type Electrical – Defines voltage levels for 0 and 1 Functional – Specifies the functions that are performed by assigning meanings to each of the signaling lines in the interface Procedural – Specifies the sequence of events for transmitting data ...
... Mechanical/physical – Number of pins and connector type Electrical – Defines voltage levels for 0 and 1 Functional – Specifies the functions that are performed by assigning meanings to each of the signaling lines in the interface Procedural – Specifies the sequence of events for transmitting data ...
MN-0000035 r5 SLM-5650A 2
... ©2011 by Comtech EF Data, Inc. All rights reserved. No part of this manual may be copied or reproduced without prior written permission of Comtech EF Data, Inc. IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product ...
... ©2011 by Comtech EF Data, Inc. All rights reserved. No part of this manual may be copied or reproduced without prior written permission of Comtech EF Data, Inc. IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product ...
The Tenet Architecture for Tiered Sensor Networks
... sensor network will be small; wireless loss rates being what they are, large diameter sensor networks will be inefficient. The third cost is that in-mote fusion can reduce congestion inside the network. For instance, in pursuit-evasion, leader election within a one-hop neighborhood results in a sin ...
... sensor network will be small; wireless loss rates being what they are, large diameter sensor networks will be inefficient. The third cost is that in-mote fusion can reduce congestion inside the network. For instance, in pursuit-evasion, leader election within a one-hop neighborhood results in a sin ...
Ethernet - College of DuPage
... –This type of connection is described as a half-duplex. –As more devices were added to an Ethernet network, the amount of frame collisions increased significantly. ...
... –This type of connection is described as a half-duplex. –As more devices were added to an Ethernet network, the amount of frame collisions increased significantly. ...
Ethernet
... –This type of connection is described as a half-duplex. –As more devices were added to an Ethernet network, the amount of frame collisions increased significantly. ...
... –This type of connection is described as a half-duplex. –As more devices were added to an Ethernet network, the amount of frame collisions increased significantly. ...
Internet 2
... Packet is sent to SGSN. SGSN sends packet to GGSN through GTP (GPRS Tunneling Protocol) tunnel. Tunneling = encapsulation of IP packet in GTP packet Outer IP header ...
... Packet is sent to SGSN. SGSN sends packet to GGSN through GTP (GPRS Tunneling Protocol) tunnel. Tunneling = encapsulation of IP packet in GTP packet Outer IP header ...
CS 291 Special Topics on Network Security
... Sequence-number-controlled flooding: node keeps track of packet ids [src_node, sequence_num] already broadacsted. If the packet was received and forwarded before, it will get dropped. Reverse path forwarding (RPF): node only forwards a packet if it arrived on the shortest path between the node a ...
... Sequence-number-controlled flooding: node keeps track of packet ids [src_node, sequence_num] already broadacsted. If the packet was received and forwarded before, it will get dropped. Reverse path forwarding (RPF): node only forwards a packet if it arrived on the shortest path between the node a ...
Internet Protocols - RPI ECSE - Rensselaer Polytechnic Institute
... Holddown: 180 sec. When a router receives a packet declaring a route unreachable, this timer is started. No routes with worse metrics are accepted until it expires. Flush timer: 240 sec. How long after the route is declared down, before it is completely removed. Starts incrementing immediately after ...
... Holddown: 180 sec. When a router receives a packet declaring a route unreachable, this timer is started. No routes with worse metrics are accepted until it expires. Flush timer: 240 sec. How long after the route is declared down, before it is completely removed. Starts incrementing immediately after ...
MN-0000038 r1 PE CDM-CDD
... DLL Files The Parameter Editor is a shared run-time Dynamic Link Library (DLL) file which is called from both VLoad and VMS software applications. It is used as an extension to both of these programs in providing an extendable User Interface. This file resides in a locally sourced directory for acce ...
... DLL Files The Parameter Editor is a shared run-time Dynamic Link Library (DLL) file which is called from both VLoad and VMS software applications. It is used as an extension to both of these programs in providing an extendable User Interface. This file resides in a locally sourced directory for acce ...
Asynchronous Transfer Mode
... applications should be able to access ATM directly. Two approaches to the ATM specific API ...
... applications should be able to access ATM directly. Two approaches to the ATM specific API ...
SLC 500 Communications
... Network Access Methods Master / Slave: – Master talks to one slave at a time – The slave can only talk if the master asks it for some information – Polling network – Eliminates data collision – Single master network ...
... Network Access Methods Master / Slave: – Master talks to one slave at a time – The slave can only talk if the master asks it for some information – Polling network – Eliminates data collision – Single master network ...
Cisco SRW224 24 Port 10/100 + 2
... and up to 7 trunking groups. Or if you prefer, you can use the integrated console port to configure the switch. The non-blocking, wire-speed switching forwards packets as fast as your network can deliver them. All ports have automatic MDI/MDI-X crossover detection. Each port independently and automa ...
... and up to 7 trunking groups. Or if you prefer, you can use the integrated console port to configure the switch. The non-blocking, wire-speed switching forwards packets as fast as your network can deliver them. All ports have automatic MDI/MDI-X crossover detection. Each port independently and automa ...
Microsoft Windows 2000? Router Configuration Guide
... Static and dynamic routing are the two standard methods of defining routes between networks. Static routing manually defines the network routes. Dynamic routing is where the network routes are defined automatically and any changes are also made and updated automatically. Both methods have advantages ...
... Static and dynamic routing are the two standard methods of defining routes between networks. Static routing manually defines the network routes. Dynamic routing is where the network routes are defined automatically and any changes are also made and updated automatically. Both methods have advantages ...
Slides - SIGMOBILE
... Benefits of REfactor Approach • Operates at finer granularity – Ditto only works in 8-32KB object chunks Savings from redundancy as small as 64 bytes – Object chunks require overhearing several packets (not possible at 75% of nodes 50% of the time) Leverages any overhearing, even a single packet ...
... Benefits of REfactor Approach • Operates at finer granularity – Ditto only works in 8-32KB object chunks Savings from redundancy as small as 64 bytes – Object chunks require overhearing several packets (not possible at 75% of nodes 50% of the time) Leverages any overhearing, even a single packet ...
Chapter 7
... how does callee advertise its IP address, port number, encoding algorithms? Multimedia Networking ...
... how does callee advertise its IP address, port number, encoding algorithms? Multimedia Networking ...
PERFORMANCE OF OFDM IN NAKAGAMI FADING
... • Irregular LDPC codes are used, where degrees of bit nodes are varying. • DVB-S2 offers more than 30% capacity improvement • DVB-S2 is, on average, about only 0.7-0.8 dB away from Shannon limits. 14 July 2006 ...
... • Irregular LDPC codes are used, where degrees of bit nodes are varying. • DVB-S2 offers more than 30% capacity improvement • DVB-S2 is, on average, about only 0.7-0.8 dB away from Shannon limits. 14 July 2006 ...
Networks and Network Security - Nicolas T. COURTOIS` research in
... – leased line between offices would be expensive. – use the Internet: very cheap BUT dangerous/insecure ...
... – leased line between offices would be expensive. – use the Internet: very cheap BUT dangerous/insecure ...