Chapter 2
... • Transceivers sense that a signal is present and will not send from their connected station • If two signals are on the line at once, neither signal will make sense and a collision occurs • When a collision is detected, the host interface aborts transmission and waits (how long?) for the line to be ...
... • Transceivers sense that a signal is present and will not send from their connected station • If two signals are on the line at once, neither signal will make sense and a collision occurs • When a collision is detected, the host interface aborts transmission and waits (how long?) for the line to be ...
MAN-WAN-Lazar - Irwin Lazar`s "Real
... • Based on “Internet end-to-end principle:” keep networks as simple as possible, most intelligence and functionality at the edge • Fosters new services and application development by separating content and apps from transport - no central coordination required, empowers users • What made the Interne ...
... • Based on “Internet end-to-end principle:” keep networks as simple as possible, most intelligence and functionality at the edge • Fosters new services and application development by separating content and apps from transport - no central coordination required, empowers users • What made the Interne ...
PPT network components
... one or more of the three methods are used including: • Packet filtering • Proxy service • Stateful inspection ...
... one or more of the three methods are used including: • Packet filtering • Proxy service • Stateful inspection ...
chap4_presentation_sumana
... Usenet: Collection of newsgroups across the internet. Mailing lists: Allows group of people with a common interest to send messages to each other. Archie: Juggle through FTP sites to see if they have the information you are looking for! ...
... Usenet: Collection of newsgroups across the internet. Mailing lists: Allows group of people with a common interest to send messages to each other. Archie: Juggle through FTP sites to see if they have the information you are looking for! ...
intro-scalability
... • End devices are intelligent • Core is stupid (forward packets, no guarantees) ...
... • End devices are intelligent • Core is stupid (forward packets, no guarantees) ...
Chapter 2 Protocols and Architecture
... • Task of communication broken up into modules • For example file transfer could use three modules —File transfer application —Communication service module —Network access module ...
... • Task of communication broken up into modules • For example file transfer could use three modules —File transfer application —Communication service module —Network access module ...
Aalborg Universitet
... precise assessments must take into account the fact that the requirements for the given quality level are service-dependent. The backbone QoS monitoring and analysis requires processing of large amounts of data and knowledge of which kinds of applications the traffic is generated by. To overcome the ...
... precise assessments must take into account the fact that the requirements for the given quality level are service-dependent. The backbone QoS monitoring and analysis requires processing of large amounts of data and knowledge of which kinds of applications the traffic is generated by. To overcome the ...
Chapter 1 Introduction to Telecommunications
... communication by electrical or electromagnetic means, usually over a distance ...
... communication by electrical or electromagnetic means, usually over a distance ...
Introduction
... • Appreciate the complex trade-offs that are inherent in the design of networks • Provide a guided tour of network technologies from the lowest levels of data transmission up to network applications • Learn about the current and de facto networking standards, i.e. internet protocols ...
... • Appreciate the complex trade-offs that are inherent in the design of networks • Provide a guided tour of network technologies from the lowest levels of data transmission up to network applications • Learn about the current and de facto networking standards, i.e. internet protocols ...
EECat_ATCA_Viewpoint_Emerson(2)
... Computing, Emerson Network Power There’s certainly lots of buzz in the telecom world about next-generation 3G+ and 4G LTE wireless networks. Carriers are deploying these networks to keep up with the insatiable consumer demand for ever increasing bandwidth. But another trend that is also occurring is ...
... Computing, Emerson Network Power There’s certainly lots of buzz in the telecom world about next-generation 3G+ and 4G LTE wireless networks. Carriers are deploying these networks to keep up with the insatiable consumer demand for ever increasing bandwidth. But another trend that is also occurring is ...
Brad`s Lecture on networks
... messages on the Internet • TCP part divides message into packets that can be sent over the network • IP part is responsible for addressing, sending, and assembling the packets and for errorchecking ...
... messages on the Internet • TCP part divides message into packets that can be sent over the network • IP part is responsible for addressing, sending, and assembling the packets and for errorchecking ...
The Internet
... used for computers to communicate across phone lines uses same frequencies as voice transmission requires dedicated phone line connections ...
... used for computers to communicate across phone lines uses same frequencies as voice transmission requires dedicated phone line connections ...
CSE 301 History of Computing - SUNY
... used for computers to communicate across phone lines uses same frequencies as voice transmission requires dedicated phone line connections ...
... used for computers to communicate across phone lines uses same frequencies as voice transmission requires dedicated phone line connections ...
Slide 1
... • How to shape the technical architecture? • Pervasive, many cyberinfrastructures, constantly evolving/changing capabilities • How to customize CI to particular S&E domains ...
... • How to shape the technical architecture? • Pervasive, many cyberinfrastructures, constantly evolving/changing capabilities • How to customize CI to particular S&E domains ...
OSI Model - DePaul University
... you decide to break it up into multiple domains and use a router to connect the domains. As soon as you disconnect the networks, even with the router running properly, you can’t get data between networks. You are using four Windows NT servers (one in each subnetwork) running on Ethernet with NetBEUI ...
... you decide to break it up into multiple domains and use a router to connect the domains. As soon as you disconnect the networks, even with the router running properly, you can’t get data between networks. You are using four Windows NT servers (one in each subnetwork) running on Ethernet with NetBEUI ...
Acceptable Use Policy (AUP)
... ... use moral and ethical guidelines ... regarding network use. Students are expected to use moral and ethical guidelines in making appropriate decisions regarding network use. Use of the district network is not a right, but a privilege, and inappropriate use will result in cancellation of that pri ...
... ... use moral and ethical guidelines ... regarding network use. Students are expected to use moral and ethical guidelines in making appropriate decisions regarding network use. Use of the district network is not a right, but a privilege, and inappropriate use will result in cancellation of that pri ...
Introduction to networking
... Reliability – an error rate of each network link Hop count – the number of routers that a packet must travel through before breaching its destination Cost – an arbitrary value, usually base don bandwidth, monetary expense, or other measurement, that is assigned by an administrator ...
... Reliability – an error rate of each network link Hop count – the number of routers that a packet must travel through before breaching its destination Cost – an arbitrary value, usually base don bandwidth, monetary expense, or other measurement, that is assigned by an administrator ...
Chapter 2 Protocols and Architecture
... —Source must activate communication path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his user —May need file format translation ...
... —Source must activate communication path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his user —May need file format translation ...
Multimedia Streaming
... Principles for QoS Guarantees • Applications compete for bandwidth – Consider a 1 Mbps VoIP application and an FTP transfer sharing a single 1.5 Mbps link – Bursts of FTP traffic can cause congestion and losses – We want to give priority to the audio packets over FTP ...
... Principles for QoS Guarantees • Applications compete for bandwidth – Consider a 1 Mbps VoIP application and an FTP transfer sharing a single 1.5 Mbps link – Bursts of FTP traffic can cause congestion and losses – We want to give priority to the audio packets over FTP ...
Introducing Network Standards
... Bottommost Layer Hardware-oriented, establishes and maintains physical link between communication computers Defines how the cable is attached to the NIC Packet sent as an unstructured raw bit stream over ...
... Bottommost Layer Hardware-oriented, establishes and maintains physical link between communication computers Defines how the cable is attached to the NIC Packet sent as an unstructured raw bit stream over ...
here
... “Nested headers” means that the routing layer header is part of the NIC layer payload Because different NIC cards will use different MAC addresses to do address filtering, the packet must change its NIC layer headers during the transmission from the sender host to the receiver host The same layer wi ...
... “Nested headers” means that the routing layer header is part of the NIC layer payload Because different NIC cards will use different MAC addresses to do address filtering, the packet must change its NIC layer headers during the transmission from the sender host to the receiver host The same layer wi ...
OSI Data Link Layer
... (up/down) • Manages log-ons, password exchange, log-offs (up/down) • Terminates connection at end of session (up/down) • Three-way handshake ...
... (up/down) • Manages log-ons, password exchange, log-offs (up/down) • Terminates connection at end of session (up/down) • Three-way handshake ...
Using port pairing to simplify transparent mode
... Create an internal/wan1 pair so that all traffic accepted by the internal interface can only exit out of the wan1 interface. ...
... Create an internal/wan1 pair so that all traffic accepted by the internal interface can only exit out of the wan1 interface. ...
IP Routing
... packets from one network to another network using routers A routing protocol is a tool used by routers to dynamically find all the networks in the internetwork, as well as to ensure that all routers have the same routing table. Ex: RIP, OSPF ...
... packets from one network to another network using routers A routing protocol is a tool used by routers to dynamically find all the networks in the internetwork, as well as to ensure that all routers have the same routing table. Ex: RIP, OSPF ...