Term
... The partitioning of an RF radiating area (cell) into segments of an cell so that one cell segment uses a frequency that is far enough away in a bordering segment to not cause interference problems. Gateway GPRS support node, a wireless gateway that allows mobile cell phone users access to the public ...
... The partitioning of an RF radiating area (cell) into segments of an cell so that one cell segment uses a frequency that is far enough away in a bordering segment to not cause interference problems. Gateway GPRS support node, a wireless gateway that allows mobile cell phone users access to the public ...
pptx - Caltech
... A DHCP server maintains a pool of available IP addresses A host that wants to connect to LAN requests a dynamic IP address of the DHCP server Once granted, the host periodically renew its IP When the host leaves and the IP address expires, the DHCP server puts the IP back into the available ...
... A DHCP server maintains a pool of available IP addresses A host that wants to connect to LAN requests a dynamic IP address of the DHCP server Once granted, the host periodically renew its IP When the host leaves and the IP address expires, the DHCP server puts the IP back into the available ...
Transport Protocols
... based on understanding of network behavior can not adapt to changing network conditions too small leads to unnecessary re-transmissions too large and response to lost segments is slow should be a bit longer than round trip time ...
... based on understanding of network behavior can not adapt to changing network conditions too small leads to unnecessary re-transmissions too large and response to lost segments is slow should be a bit longer than round trip time ...
Firewalls
... datagrams with IP protocol field = 17 and with either source or dest port = 23. all incoming, outgoing UDP flows and telnet connections are blocked. example 2: Block inbound TCP segments with ...
... datagrams with IP protocol field = 17 and with either source or dest port = 23. all incoming, outgoing UDP flows and telnet connections are blocked. example 2: Block inbound TCP segments with ...
ch13
... packet uses the first number, so the starting point number actually starts at the next larger number. All the data that follows is numbered by byte, starting from the pre-established starting point. Each subsequent packet contains a sequence number that corresponds to the byte number of the first b ...
... packet uses the first number, so the starting point number actually starts at the next larger number. All the data that follows is numbered by byte, starting from the pre-established starting point. Each subsequent packet contains a sequence number that corresponds to the byte number of the first b ...
Communication and Networks
... The Internet provides a virtual circuit like the phone system. S and R can send messages back and forth in lock step fashion, or at the same time: S-->R-->S-->R-->S-->R, or S<==>R. The path between S and R is not fixed beforehand, but is established when S initiates steps to create a connection to R ...
... The Internet provides a virtual circuit like the phone system. S and R can send messages back and forth in lock step fashion, or at the same time: S-->R-->S-->R-->S-->R, or S<==>R. The path between S and R is not fixed beforehand, but is established when S initiates steps to create a connection to R ...
Chapter_4_Sec3 - ODU Computer Science
... using forwarding table in input port memory (“match plus action”) goal: complete input port processing at ‘line speed’ queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer 4-4 ...
... using forwarding table in input port memory (“match plus action”) goal: complete input port processing at ‘line speed’ queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer 4-4 ...
Slides
... Shown are all routes used by this I-SID in pink. Two trees shown blue/green. Note symmetry of trees between source/dest ...
... Shown are all routes used by this I-SID in pink. Two trees shown blue/green. Note symmetry of trees between source/dest ...
Slide set #4
... Medium Access Control: controls which device on the network get the to send data to the medium. CSMA/CD 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 ex ...
... Medium Access Control: controls which device on the network get the to send data to the medium. CSMA/CD 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 ex ...
Spanning-Tree Direct VS Indirect Link Failures
... 3768 designed to increase the availability of the default gateway servicing hosts on the same subnet. VRRP introduces the concept of a “virtual router” that is addressed by IP clients requiring gateway service. The actual routing service is provided by physical routers running the VRRP protocol. An ...
... 3768 designed to increase the availability of the default gateway servicing hosts on the same subnet. VRRP introduces the concept of a “virtual router” that is addressed by IP clients requiring gateway service. The actual routing service is provided by physical routers running the VRRP protocol. An ...
View
... Data Transmission - Concept & Terminology , Analog & Digital data transmission, Transmission Impairment, Transmission Media. Data Encoding - Digital data , Analog Data , Digital signal , Analog signal. Digital Data Communication - Asynchronous and Synchronous transmission, Error detection technique, ...
... Data Transmission - Concept & Terminology , Analog & Digital data transmission, Transmission Impairment, Transmission Media. Data Encoding - Digital data , Analog Data , Digital signal , Analog signal. Digital Data Communication - Asynchronous and Synchronous transmission, Error detection technique, ...
Local Area Networks (LAN)
... Topology: Logic bus (physically may be bus or star) Transmit: Only one can transmit at any time, all others receive transmission Speed: 10Mbps, 100Mbps (Fast Ethernet) and 1000Mbps (Gigabit Ethernet) Status: Most popular LAN and widely used History: Invented at Xerox (Palo Alto Research Center) in 1 ...
... Topology: Logic bus (physically may be bus or star) Transmit: Only one can transmit at any time, all others receive transmission Speed: 10Mbps, 100Mbps (Fast Ethernet) and 1000Mbps (Gigabit Ethernet) Status: Most popular LAN and widely used History: Invented at Xerox (Palo Alto Research Center) in 1 ...
CS155: Computer and Network Security
... There are a number of users on the client sending network requests to services on the server The attacker (you!) is trying to perform different attacks (the assignment) on the client and server ...
... There are a number of users on the client sending network requests to services on the server The attacker (you!) is trying to perform different attacks (the assignment) on the client and server ...
pushpavathi_a
... CAN bus is designed for communication between microcontrollers in an automotive environment. It is used to exchange information between on-board Electronic Control Units (ECUs) such as the engine management system, gearbox, instrument packs and body electronics. In 1993 CAN become the standards ISO ...
... CAN bus is designed for communication between microcontrollers in an automotive environment. It is used to exchange information between on-board Electronic Control Units (ECUs) such as the engine management system, gearbox, instrument packs and body electronics. In 1993 CAN become the standards ISO ...
Topology
... Topology: Logic bus (physically may be bus or star) Transmit: Only one can transmit at any time, all others receive transmission Speed: 10Mbps, 100Mbps (Fast Ethernet) and 1000Mbps (Gigabit Ethernet) Status: Most popular LAN and widely used History: Invented at Xerox (Palo Alto Research Center) in 1 ...
... Topology: Logic bus (physically may be bus or star) Transmit: Only one can transmit at any time, all others receive transmission Speed: 10Mbps, 100Mbps (Fast Ethernet) and 1000Mbps (Gigabit Ethernet) Status: Most popular LAN and widely used History: Invented at Xerox (Palo Alto Research Center) in 1 ...
Chapter 4: Data Link Layer - Joseph H. Schuessler, PhD
... Forward Error Correction (FEC) • Receiving device can correct incoming messages itself (without retransmission) • Requires extra corrective information – Sent along with the data – Allows data to be checked and corrected by the receiver – Amount of extra information: usually 50-100% of the data ...
... Forward Error Correction (FEC) • Receiving device can correct incoming messages itself (without retransmission) • Requires extra corrective information – Sent along with the data – Allows data to be checked and corrected by the receiver – Amount of extra information: usually 50-100% of the data ...
Chapter 1. Introduction to Data Communications
... Forward Error Correction (FEC) • Receiving device can correct incoming messages itself (without retransmission) • Requires extra corrective information – Sent along with the data – Allows data to be checked and corrected by the receiver – Amount of extra information: usually 50-100% of the data ...
... Forward Error Correction (FEC) • Receiving device can correct incoming messages itself (without retransmission) • Requires extra corrective information – Sent along with the data – Allows data to be checked and corrected by the receiver – Amount of extra information: usually 50-100% of the data ...
SYSTRA Course
... “Always on” / “always connected” After initial “log-on”, user is permanently connected to IP services – Instant access, no further log-on – Flat rate (about $30/mo in the LA area) – User perceived performance: fluctuates (as GPRS users defer to voice users) to a max of 50Kbps ...
... “Always on” / “always connected” After initial “log-on”, user is permanently connected to IP services – Instant access, no further log-on – Flat rate (about $30/mo in the LA area) – User perceived performance: fluctuates (as GPRS users defer to voice users) to a max of 50Kbps ...
Issue 6, Volume 2, June 2005
... Evaluation of Real Applications and Services Using the Heterogeneous Network QoS Evaluation Tool By Pedro A. L. Mindlin, Fabricio J. Barth, Edison Spina, Denis Gabos ...
... Evaluation of Real Applications and Services Using the Heterogeneous Network QoS Evaluation Tool By Pedro A. L. Mindlin, Fabricio J. Barth, Edison Spina, Denis Gabos ...
24 FE + 4 GE Combo SFP L2 SNMP Switch
... centralized control of the switch and avoids unauthorized users from altering the configuration. Comprehensive QoS LevelOne FGL-2870 offers 4 egress queues per port, which enables differentiated management of up to 4 traffic types. Traffic is prioritized according to 802.1p and DSCP, giving optimal ...
... centralized control of the switch and avoids unauthorized users from altering the configuration. Comprehensive QoS LevelOne FGL-2870 offers 4 egress queues per port, which enables differentiated management of up to 4 traffic types. Traffic is prioritized according to 802.1p and DSCP, giving optimal ...
Network Hardware and Physical Media
... Category 3 - used for LANs up to 10 Mbps Category 4 - used for LANs up to 16 Mbps Category 5 - used for LANs up to 100 Mbps ...
... Category 3 - used for LANs up to 10 Mbps Category 4 - used for LANs up to 16 Mbps Category 5 - used for LANs up to 100 Mbps ...