Switching and Forwarding
... setup; a host can send data as soon as it is ready. • Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. • Since packets are treated independently, it is possible to route around link and node failures. ...
... setup; a host can send data as soon as it is ready. • Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. • Since packets are treated independently, it is possible to route around link and node failures. ...
b) simplex channels.
... such as an HR department, library, dormitory areas, dining halls etc. This isolates the traffic within areas of common usage. A backbone network would provide the interconnections between all of these LANs, thus making it possible to extend the overall range of the combined networks well beyond that ...
... such as an HR department, library, dormitory areas, dining halls etc. This isolates the traffic within areas of common usage. A backbone network would provide the interconnections between all of these LANs, thus making it possible to extend the overall range of the combined networks well beyond that ...
Packet Switching
... link idle for 327.68us while both arrive at end of 327.68us, still have 8KB to transmit in contrast, can transmit first cell after 4.24us at end of 327.68us, just over 4KB left in queue ...
... link idle for 327.68us while both arrive at end of 327.68us, still have 8KB to transmit in contrast, can transmit first cell after 4.24us at end of 327.68us, just over 4KB left in queue ...
Part 1 - CSE Labs User Home Pages
... • All resources (e.g. communication links) needed by a call dedicated to that call for its duration – Example: telephone network – Call blocking when all resources are used ...
... • All resources (e.g. communication links) needed by a call dedicated to that call for its duration – Example: telephone network – Call blocking when all resources are used ...
Distributed processing
... Performance degradation due to a growing number of remote locations over greater distances. ...
... Performance degradation due to a growing number of remote locations over greater distances. ...
Distributed Databases
... Do update synchronization Each data node’s local DBMS does its processing Nodes translate data, if heterogeneous system Nodes send results to requesting node or other destination node Consolidate results, edit, format results Return results to user ...
... Do update synchronization Each data node’s local DBMS does its processing Nodes translate data, if heterogeneous system Nodes send results to requesting node or other destination node Consolidate results, edit, format results Return results to user ...
IEEE 802.11 based WLANs
... from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without statistical multiplexing degradation of performance because the medium is shared for pair-wise stations (2) In practice several packets can simultaneous circulate between different pair ...
... from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without statistical multiplexing degradation of performance because the medium is shared for pair-wise stations (2) In practice several packets can simultaneous circulate between different pair ...
Slide 1
... Automatic Repeat Request (ARQ) – Based on the retransmission of packets that have been detected to be in error. Packets carry a checksum which is used by the receiver to detect errors. Requires a feedback channel. With FEC one pays an a priori battery power consumption overhead and packet delay by ...
... Automatic Repeat Request (ARQ) – Based on the retransmission of packets that have been detected to be in error. Packets carry a checksum which is used by the receiver to detect errors. Requires a feedback channel. With FEC one pays an a priori battery power consumption overhead and packet delay by ...
Declarative Networking - CIS @ UPenn
... Similar to Datalog, with the special construct “says” Rules in different context Export: Alice says may-access(charlie,o,read). Alice’s context A1: may-access(P,O,read) :- good(P). A2: may-access(P,O,read) :- bob says may-access(P,O,read). ...
... Similar to Datalog, with the special construct “says” Rules in different context Export: Alice says may-access(charlie,o,read). Alice’s context A1: may-access(P,O,read) :- good(P). A2: may-access(P,O,read) :- bob says may-access(P,O,read). ...
lecture20
... “no frills,” “bare bones” Internet transport protocol “best effort” service, UDP segments may be: lost delivered out-of-order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
... “no frills,” “bare bones” Internet transport protocol “best effort” service, UDP segments may be: lost delivered out-of-order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
Data Communications
... through links. A link is a communications pathway that transfers data from one device to another. There are two possible types of connections: point-to-point and multipoint. ...
... through links. A link is a communications pathway that transfers data from one device to another. There are two possible types of connections: point-to-point and multipoint. ...
Workflow Strategy
... • Express the analysis of plant systems in terms of the data and operations on those data – Multiple types of data (e.g., experimental, computed, archival) – Mutliple types of operations (e.g., analytical, visualization, search) ...
... • Express the analysis of plant systems in terms of the data and operations on those data – Multiple types of data (e.g., experimental, computed, archival) – Mutliple types of operations (e.g., analytical, visualization, search) ...
PowerPoint Title
... On receiving RTS, node A responds by sending Clear-toSend (CTS), provided node A is able to receive the packet When a node (such as C) overhears a CTS, it keeps quiet for the duration of the transfer Transfer duration is included in RTS and CTS both ...
... On receiving RTS, node A responds by sending Clear-toSend (CTS), provided node A is able to receive the packet When a node (such as C) overhears a CTS, it keeps quiet for the duration of the transfer Transfer duration is included in RTS and CTS both ...
Chapter 20-22
... Routing Protocol: determines the best path (route) that the packets should follow to arrive to the desired destination Routing Protocols: A software in the network layer that implements routing algorithms and responsible for: Filling and updating routing tables (by finding the shortest paths from ...
... Routing Protocol: determines the best path (route) that the packets should follow to arrive to the desired destination Routing Protocols: A software in the network layer that implements routing algorithms and responsible for: Filling and updating routing tables (by finding the shortest paths from ...
The OSI Model - DMC Cisco Networking Academy
... After the data is transmitted and received, the process is reversed and the headers and trailers are stripped off the lower layer data package and handed up to the next layer where the process is repeated. ...
... After the data is transmitted and received, the process is reversed and the headers and trailers are stripped off the lower layer data package and handed up to the next layer where the process is repeated. ...
Introduction
... Switched Networks • A network can be defined recursively as... – two or more nodes connected by a link, or ...
... Switched Networks • A network can be defined recursively as... – two or more nodes connected by a link, or ...
Resume - WordPress.com
... Glass Break detection relies inherently on DSP techniques involving processing the sound of glass break for detection and sensing for certain high frequency components. Over the course of this project I leveraged the low power modes of MSP430, learnt power management, us ...
... Glass Break detection relies inherently on DSP techniques involving processing the sound of glass break for detection and sensing for certain high frequency components. Over the course of this project I leveraged the low power modes of MSP430, learnt power management, us ...
ppt
... • Guideline not a law • Argument • If you have to implement a function end-to-end anyway (e.g., because it requires the knowledge and help of the end-point host or application), don’t implement it inside the communication system • Unless there’s a compelling performance enhancement Further Reading: ...
... • Guideline not a law • Argument • If you have to implement a function end-to-end anyway (e.g., because it requires the knowledge and help of the end-point host or application), don’t implement it inside the communication system • Unless there’s a compelling performance enhancement Further Reading: ...
National Semiconductor® General Purpose I/O Controller
... Each input pin can be enabled to provide level-sensitive interrupt capabability, with programmable polarity. The interrupt output signal from the General Purpose I/O Controller is the logic OR of all interrupt-enabled inputs. A functional test feature enables the I/O pins to be controlled and driven ...
... Each input pin can be enabled to provide level-sensitive interrupt capabability, with programmable polarity. The interrupt output signal from the General Purpose I/O Controller is the logic OR of all interrupt-enabled inputs. A functional test feature enables the I/O pins to be controlled and driven ...
florida institue of technology
... A. To enable creation of new LANs in spite of lack of IP addresses. Due to rapid growth of Internet and limitations imposed by the size of address field in IP header there are very few IP addresses available. B. [1] Based on Network Architectural model, IP is supposed to uniquely identify each machi ...
... A. To enable creation of new LANs in spite of lack of IP addresses. Due to rapid growth of Internet and limitations imposed by the size of address field in IP header there are very few IP addresses available. B. [1] Based on Network Architectural model, IP is supposed to uniquely identify each machi ...
Industrial Wireless Sensor Networks_ Challenges, Design Principles
... -significant cost savings and enable new functionalities. ...
... -significant cost savings and enable new functionalities. ...
Accompanying slides for Project 3
... CS415 Minithreads Project 3 Overview Adrian Bozdog (Adi) [email protected] ...
... CS415 Minithreads Project 3 Overview Adrian Bozdog (Adi) [email protected] ...