Part I: Introduction
... what’s a protocol? network edge network core access net, physical media Internet/ISP structure performance: loss, delay ...
... what’s a protocol? network edge network core access net, physical media Internet/ISP structure performance: loss, delay ...
Lecture 1 - Project Open
... Byte: 8 bits. Megabyte (MB): A million bits. Gigabyte (GB): a billion bits. A bit of information is commonly represented by ―1‖ or ―0‖ rather than ―head‖ or ―tail‖, which fits nicely into a digital data stream! We will, in the next class, explain how a speech or video signal can be represented by a ...
... Byte: 8 bits. Megabyte (MB): A million bits. Gigabyte (GB): a billion bits. A bit of information is commonly represented by ―1‖ or ―0‖ rather than ―head‖ or ―tail‖, which fits nicely into a digital data stream! We will, in the next class, explain how a speech or video signal can be represented by a ...
Lab 2
... To crack WEP or WPA2 security we are going to use a toolkit called AirCrack-ng. This toolkit is freely available. More details about the tools required for this assignment is available in section Required Tools of the lab hand-out. Even though cracking a WEP or WPA2 network requires slightly differe ...
... To crack WEP or WPA2 security we are going to use a toolkit called AirCrack-ng. This toolkit is freely available. More details about the tools required for this assignment is available in section Required Tools of the lab hand-out. Even though cracking a WEP or WPA2 network requires slightly differe ...
Performance of companies in the telecommunications sector, Slovenia
... Mobile network user is every active end-user of a public mobile telephone network, having the possibility to perform the services in a public mobile telephone network. It can be the active end-user/subscriber who has at least once within the last 90 days paid the subscription or has used any service ...
... Mobile network user is every active end-user of a public mobile telephone network, having the possibility to perform the services in a public mobile telephone network. It can be the active end-user/subscriber who has at least once within the last 90 days paid the subscription or has used any service ...
Network Types
... shaking hands, with the data automatically written into both their PDAs, the paper said. The companies have confirmed in an experiment that data can be transmitted at 10 megabits per second, comparable to the speed of a broadband Internet connection, it said. The technology could allow data communic ...
... shaking hands, with the data automatically written into both their PDAs, the paper said. The companies have confirmed in an experiment that data can be transmitted at 10 megabits per second, comparable to the speed of a broadband Internet connection, it said. The technology could allow data communic ...
RMDCN network architecture
... In this direction, the Network takes precedence over the sender User Site (using COS) and automatically classifies the received data in the same COS. If the COS used is not configured on the access, then the received traffic is classified as “unknown type of traffic” and put in the “by default” COS ...
... In this direction, the Network takes precedence over the sender User Site (using COS) and automatically classifies the received data in the same COS. If the COS used is not configured on the access, then the received traffic is classified as “unknown type of traffic” and put in the “by default” COS ...
DTN Interworking for Future Internet
... =>who verify delivery Limited Resources =>how to reduce buffer usage ...
... =>who verify delivery Limited Resources =>how to reduce buffer usage ...
Introduction to Quality of Service (QoS)
... voice, video, and data over packet-switched infrastructures were QoS technologies. QoS allows for the differentiated treatment of data traffic. As QoS technologies evolved, enterprises saw the value of a single-network infrastructure and began planning toward ...
... voice, video, and data over packet-switched infrastructures were QoS technologies. QoS allows for the differentiated treatment of data traffic. As QoS technologies evolved, enterprises saw the value of a single-network infrastructure and began planning toward ...
NOT permitted beyond the intended personal use. personal routers, wireless routers,
... These restrictions include, but are not limited to, the use of personal routers, wireless routers, wireless access points, NAT devices, or any other device that acts as a router (i.e. personal computer configured to bridge or share network connections).These devices can cause unexpected network outa ...
... These restrictions include, but are not limited to, the use of personal routers, wireless routers, wireless access points, NAT devices, or any other device that acts as a router (i.e. personal computer configured to bridge or share network connections).These devices can cause unexpected network outa ...
GIT 335 Lecture 6 - Arizona State University
... Wireless Communications Media Personal Area Wireless • Bluetooth – Short-range wireless standard to link cellphones, PDAs, computers, and peripherals at distances up to 30 ft – Named after King Harald Bluetooth, the Viking who unified Denmark and Norway – Transmits up to 3 megabits per second – Whe ...
... Wireless Communications Media Personal Area Wireless • Bluetooth – Short-range wireless standard to link cellphones, PDAs, computers, and peripherals at distances up to 30 ft – Named after King Harald Bluetooth, the Viking who unified Denmark and Norway – Transmits up to 3 megabits per second – Whe ...
Network Architectures
... The access point functions as a bridge. The MAC protocol may be fully distributed or controlled by a central coordination function housed in the access point. The BSS generally corresponds to a cell. The DS can be a switch, a wired network or a wireless network. The figure above shows the simplest c ...
... The access point functions as a bridge. The MAC protocol may be fully distributed or controlled by a central coordination function housed in the access point. The BSS generally corresponds to a cell. The DS can be a switch, a wired network or a wireless network. The figure above shows the simplest c ...
Chapter 5: Telecommunications, Wireless Technologies, and
... Enables digital devices to communicate directly with each other wirelessly over short distances Communicates at speeds of up to 1 Mbps within a range of up to 33 feet (10 meters) Can connect devices to a computer network using access points like Wi-Fi Bluetooth and Wi-Fi Compete in some areas, but ...
... Enables digital devices to communicate directly with each other wirelessly over short distances Communicates at speeds of up to 1 Mbps within a range of up to 33 feet (10 meters) Can connect devices to a computer network using access points like Wi-Fi Bluetooth and Wi-Fi Compete in some areas, but ...
Network
... Computer Networks Centralized Computing (1970s) The centralized computing model utilizes a central computer (mainframe) connected to terminals with all processing being done on the central computer Distributed Computing (1980s) The use of small computers networked together allowing users to perform ...
... Computer Networks Centralized Computing (1970s) The centralized computing model utilizes a central computer (mainframe) connected to terminals with all processing being done on the central computer Distributed Computing (1980s) The use of small computers networked together allowing users to perform ...
presentation source
... E-mail messages arrive at the mail server from a remote PC or from a node on a LAN. The message then leaves the local mail server and travels through a router (a special purpose computer) that ensures each message is sent to its ...
... E-mail messages arrive at the mail server from a remote PC or from a node on a LAN. The message then leaves the local mail server and travels through a router (a special purpose computer) that ensures each message is sent to its ...
service user
... Indication: A primitive issued by a service provider either to: Indicate that a procedure has been invoked by the peer service user on the connection and to provide the associated parameters, or Notify the service user of a provider-initiate action. ...
... Indication: A primitive issued by a service provider either to: Indicate that a procedure has been invoked by the peer service user on the connection and to provide the associated parameters, or Notify the service user of a provider-initiate action. ...
internet_and_WWW
... • The World Wide Web is an information service that uses the Internet as its communication medium • It is based on the technology called hypertext • Hypertext is a method of presenting information • Selected words in a text can be "expanded" – to provide other information about the word – These word ...
... • The World Wide Web is an information service that uses the Internet as its communication medium • It is based on the technology called hypertext • Hypertext is a method of presenting information • Selected words in a text can be "expanded" – to provide other information about the word – These word ...
What is an Optical Internet?
... data format consistent with LAN format with no translation low cost tributary service - do not need to terminate link on a router or SONET DCS equipment new 10xGigabit Ethernet will equal OC-192 standard SNMP MIBs, but not accessible by out of band interoperable standard from many vendors ...
... data format consistent with LAN format with no translation low cost tributary service - do not need to terminate link on a router or SONET DCS equipment new 10xGigabit Ethernet will equal OC-192 standard SNMP MIBs, but not accessible by out of band interoperable standard from many vendors ...
Figure 1.5. Hybrid Wireless Mesh Network
... Wireless communication is without a doubt a very desirable service as emphasized by the tremendous growth in both cellular and wireless local area networks (WLANs). The cellular networks offer wide area coverage, but the service is relatively expensive and offers low data rates, even the third gene ...
... Wireless communication is without a doubt a very desirable service as emphasized by the tremendous growth in both cellular and wireless local area networks (WLANs). The cellular networks offer wide area coverage, but the service is relatively expensive and offers low data rates, even the third gene ...
MXview Lite
... network performance. Administrators can get each device’s port preference information from the report function to analyze continuous network status. • Network traffic statistics for Moxa’s managed Ethernet switches • Multiple statistics charts can be displayed on a single page ...
... network performance. Administrators can get each device’s port preference information from the report function to analyze continuous network status. • Network traffic statistics for Moxa’s managed Ethernet switches • Multiple statistics charts can be displayed on a single page ...
Chapter_1_V6.1 - Rose
... simpler, no call setup excessive congestion possible: packet delay and loss protocols needed for reliable data transfer, congestion control Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 7) ...
... simpler, no call setup excessive congestion possible: packet delay and loss protocols needed for reliable data transfer, congestion control Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 7) ...
Prof. Younghee Lee
... – Real time Internet services: end to end QoS – From free-of-charge access to value-based transactions » collaborative services emerge and the distinction between producers and consumers becomes blurred. » some business models will be based on payment for services, others on payment by third parties ...
... – Real time Internet services: end to end QoS – From free-of-charge access to value-based transactions » collaborative services emerge and the distinction between producers and consumers becomes blurred. » some business models will be based on payment for services, others on payment by third parties ...
Theodoros Salonidis - Rice ECE
... Investigated link establishment and topology construction in ad hoc networks where multiple channels are available and defined by distinct frequency hopping sequences. Multi-channel systems can increase throughput by assigning simultaneous co-located transmissions to different channels. However, hos ...
... Investigated link establishment and topology construction in ad hoc networks where multiple channels are available and defined by distinct frequency hopping sequences. Multi-channel systems can increase throughput by assigning simultaneous co-located transmissions to different channels. However, hos ...