Chapter 5
... the network since each node must receive and regenerate the signal • The more workstations added, the slower the ring • Access to ring topology is more fair than with bus topology access (Why?) ...
... the network since each node must receive and regenerate the signal • The more workstations added, the slower the ring • Access to ring topology is more fair than with bus topology access (Why?) ...
Overlay networks
... Multicast packets do not impose as high a rate of bandwidth utilization as unicast packets, so there is a greater possibility that they will arrive almost simultaneously at the receivers ...
... Multicast packets do not impose as high a rate of bandwidth utilization as unicast packets, so there is a greater possibility that they will arrive almost simultaneously at the receivers ...
CMPT 880: Internet Architectures and Protocols
... • more users or faster transfer (a single user can use entire bw) • Well suited for bursty traffic (typical in data networks) ...
... • more users or faster transfer (a single user can use entire bw) • Well suited for bursty traffic (typical in data networks) ...
route around failure
... RON makes use of underlying path redundancy of Internet to provide better path and route around failure RON is end to end solution, packets are simply wrapped around and sent normally ...
... RON makes use of underlying path redundancy of Internet to provide better path and route around failure RON is end to end solution, packets are simply wrapped around and sent normally ...
Network Topology: Physical & Logical
... Tree Network • In hub or tree network, the wires that are used to connect different nodes are collapsed into a central unit, called hub. • Hub does not perform switching function. • It consists of repeaters that retransmitted all the signals from nodes to all other nodes in the same way. • The mult ...
... Tree Network • In hub or tree network, the wires that are used to connect different nodes are collapsed into a central unit, called hub. • Hub does not perform switching function. • It consists of repeaters that retransmitted all the signals from nodes to all other nodes in the same way. • The mult ...
What is a Network?
... Ethernet running over UTP cables terminated with RJ45 connectors made use of hubs Hubs became the new backbone of many installations As hubs became less expensive, extra hubs were often used a repeaters in more complex networks Hubs are layer one devices (physical/electrical devices) and do not alte ...
... Ethernet running over UTP cables terminated with RJ45 connectors made use of hubs Hubs became the new backbone of many installations As hubs became less expensive, extra hubs were often used a repeaters in more complex networks Hubs are layer one devices (physical/electrical devices) and do not alte ...
PDF (Updated 1/18)
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
Performance Evaluation of the IEEE 802.16 MAC for QoS Support
... subscriber stations (SS) with radio base stations (BS) Offers an alternative to cabled access networks – fiber optic links, coaxial cables using cable modems, DSL links Supports nomadic and mobile clients on the go (IEEE 802.16 e, 2004) ...
... subscriber stations (SS) with radio base stations (BS) Offers an alternative to cabled access networks – fiber optic links, coaxial cables using cable modems, DSL links Supports nomadic and mobile clients on the go (IEEE 802.16 e, 2004) ...
Figure 9.1: Communication at the data
... To better understand the functionality of and the services provided by the link layer, we can divide the data-link layer into two sublayers: data link control (DLC) and media access control (MAC). This is not unusual because, as we will see in later chapters, LAN protocols actually use the same stra ...
... To better understand the functionality of and the services provided by the link layer, we can divide the data-link layer into two sublayers: data link control (DLC) and media access control (MAC). This is not unusual because, as we will see in later chapters, LAN protocols actually use the same stra ...
Basics
... various kinds such as DRAM or SRAM as their primary storage. Main memory is much faster than mass storage devices like hard disks or optical discs, but does not usually retain its contents (instructions or data) in the absence of power, and is much more expensive for a given capacity than is most ma ...
... various kinds such as DRAM or SRAM as their primary storage. Main memory is much faster than mass storage devices like hard disks or optical discs, but does not usually retain its contents (instructions or data) in the absence of power, and is much more expensive for a given capacity than is most ma ...
CMPT 880: Internet Architectures and Protocols
... • more users or faster transfer (a single user can use entire bw) • Well suited for bursty traffic (typical in data networks) ...
... • more users or faster transfer (a single user can use entire bw) • Well suited for bursty traffic (typical in data networks) ...
Class Extra Switching, etc for
... Bootstrapping: Networks of Interfaces • LAN/Physical/MAC address – Flat structure – Unique to physical interface (no two alike)…how? datagram ...
... Bootstrapping: Networks of Interfaces • LAN/Physical/MAC address – Flat structure – Unique to physical interface (no two alike)…how? datagram ...
ppt
... routers: no state about end-to-end connections no network-level concept of “connection” ...
... routers: no state about end-to-end connections no network-level concept of “connection” ...
$doc.title
... b. An Ethernet adapter passes every non-‐corrupt frame that it receives up to the network layer. c. When many hosts seek to actively communicate, token-‐ring schemes can achieve higher total goodput on a ...
... b. An Ethernet adapter passes every non-‐corrupt frame that it receives up to the network layer. c. When many hosts seek to actively communicate, token-‐ring schemes can achieve higher total goodput on a ...
Ethernet over Coax HPNA Network Adapter Product
... increased bandwidth within the home and office is becoming critical. The wired network is no longer simply a series of pathways to transfer small files or share applications; there is now a real need for high-performance IP networking that can deliver huge multimedia files at high rates of speed wit ...
... increased bandwidth within the home and office is becoming critical. The wired network is no longer simply a series of pathways to transfer small files or share applications; there is now a real need for high-performance IP networking that can deliver huge multimedia files at high rates of speed wit ...
ppt
... more potential for aggregation (and reducing routing table size), but not always so… – Multi-homing a PA address – Traffic engineering between multiple links to same single provider ...
... more potential for aggregation (and reducing routing table size), but not always so… – Multi-homing a PA address – Traffic engineering between multiple links to same single provider ...
lecture02
... packets, can be potentially lost, can be potentially delivered out-of-order • What you may want: application-to-application (end-to-end) channel, communication stream, reliable, in-order delivery ...
... packets, can be potentially lost, can be potentially delivered out-of-order • What you may want: application-to-application (end-to-end) channel, communication stream, reliable, in-order delivery ...
Lesson 07 Bridges, Hub, Switches and Routers
... Routing table tells What is the IP address a of next target for the packet (next-hop or addressee) On which link this host is located (and directly reachable) Broadcast “who-as a” on the link The host whose IP is a replies: “a is-at m” Encapsulated the IP packet in a Ethernet frame: Source MAC addre ...
... Routing table tells What is the IP address a of next target for the packet (next-hop or addressee) On which link this host is located (and directly reachable) Broadcast “who-as a” on the link The host whose IP is a replies: “a is-at m” Encapsulated the IP packet in a Ethernet frame: Source MAC addre ...
Addressing - Punjab University College of Information
... IEEE as G/L bit IEEE sets G/L = 0 when giving out the blocks of addresses Addresses with G/L = 1 can be used without paying IEEE but the network administrator is responsible to assign addresses such that there is no collision This leaves with 222 unique OUIs ...
... IEEE as G/L bit IEEE sets G/L = 0 when giving out the blocks of addresses Addresses with G/L = 1 can be used without paying IEEE but the network administrator is responsible to assign addresses such that there is no collision This leaves with 222 unique OUIs ...
KIS – Cvičenie #1
... • Divides network into broadcast domains: – A broadcast domain is a logical area in a computer network where any computer connected to the computer network can directly transmit to any other in the domain without having to go through a routing device ...
... • Divides network into broadcast domains: – A broadcast domain is a logical area in a computer network where any computer connected to the computer network can directly transmit to any other in the domain without having to go through a routing device ...