Exploration_LAN_Switching_Chapter5
... Layer 2 Loops When multiple paths exist between two devices on the network and STP has been disabled on those switches, a Layer 2 loop can occur. Ethernet frames do not have a time to live (TTL) like IP packets traversing routers. If they are not terminated properly on a switched network, th ...
... Layer 2 Loops When multiple paths exist between two devices on the network and STP has been disabled on those switches, a Layer 2 loop can occur. Ethernet frames do not have a time to live (TTL) like IP packets traversing routers. If they are not terminated properly on a switched network, th ...
TDC 463-98-501/502, Summer II 2002 2-1
... Unlike Ethernet, there is a fixed limit on how long a station must wait to transmit frame. b) Eight data priority levels ensure that important data get sent first. ...
... Unlike Ethernet, there is a fixed limit on how long a station must wait to transmit frame. b) Eight data priority levels ensure that important data get sent first. ...
Chap32-PSWan
... – Public prefers diversity over technical quality – Video on demand can't compete with video rental • Digital Signal Processing – Video compressed into 1.5 Mb/s – XDSL allows up to 6 Mb/s over copper local loop • Internet – Explosive success of cheap, low quality but very diversified universal commu ...
... – Public prefers diversity over technical quality – Video on demand can't compete with video rental • Digital Signal Processing – Video compressed into 1.5 Mb/s – XDSL allows up to 6 Mb/s over copper local loop • Internet – Explosive success of cheap, low quality but very diversified universal commu ...
Framing - NDSU Computer Science
... Assume 2 discrete signal: high and low (ignoring modulation concepts and issues) Most functions are performed by Network adapter which encodes/decodes bits in signals. ...
... Assume 2 discrete signal: high and low (ignoring modulation concepts and issues) Most functions are performed by Network adapter which encodes/decodes bits in signals. ...
Lecture06: IP Security
... IPSec does not provide all security services: IPSec cannot provide total security for credit card payment systems ...
... IPSec does not provide all security services: IPSec cannot provide total security for credit card payment systems ...
An Overview on Ad Hoc Networks
... But the reactive schemes have smaller Route discovery overheads, because they don’t have to save all possible routes in the networks. Destination Sequenced Distance Vector (DSDV) is an example of proactive scheme. Ad Hoc On Demand Distance Vector (AODV) and Dynamic Source Routing are examples of rea ...
... But the reactive schemes have smaller Route discovery overheads, because they don’t have to save all possible routes in the networks. Destination Sequenced Distance Vector (DSDV) is an example of proactive scheme. Ad Hoc On Demand Distance Vector (AODV) and Dynamic Source Routing are examples of rea ...
Chapter 5 Lectures Notes
... • CSMA is a contention-based protocol making sure that all stations first sense the medium before transmitting (physically and virtually). Coming! • The main goal of CSMA/CA is to avoid having stations transmit at the same time, which will then result in collisions and eventual ...
... • CSMA is a contention-based protocol making sure that all stations first sense the medium before transmitting (physically and virtually). Coming! • The main goal of CSMA/CA is to avoid having stations transmit at the same time, which will then result in collisions and eventual ...
Lect14
... Encapsulation: Multiple Hops • Each router in the path from the source to the destination: – Unencapsulates incoming datagram from frame – Processes datagram - determines next hop – Encapsulates datagram in outgoing frame ...
... Encapsulation: Multiple Hops • Each router in the path from the source to the destination: – Unencapsulates incoming datagram from frame – Processes datagram - determines next hop – Encapsulates datagram in outgoing frame ...
APAN201202_FlowSpace_yamanaka
... – Network resources for application-specific performance – Functions of in-network processing ...
... – Network resources for application-specific performance – Functions of in-network processing ...
module11-ospf
... Link State Database • The collection of all LSAs is called the link-state database • Each router has and identical link-state database – Useful for debugging: Each router has a complete description of the network ...
... Link State Database • The collection of all LSAs is called the link-state database • Each router has and identical link-state database – Useful for debugging: Each router has a complete description of the network ...
Routing PowerPoint - University at Albany
... contacted through a router or gateway. • Router is a specific device (software or hardware) that forwards a transmission from a local network to other networks. • Since the router is another device on the network, it needs to have its own internal IP address that the computers can contact. Router Ne ...
... contacted through a router or gateway. • Router is a specific device (software or hardware) that forwards a transmission from a local network to other networks. • Since the router is another device on the network, it needs to have its own internal IP address that the computers can contact. Router Ne ...
Quality of Service Networking
... Quality of Service (QoS) refers to the capability of a network to provide better service to selected network traffic over various technologies, including Frame Relay, Asynchronous Transfer Mode (ATM), Ethernet and 802.1 networks, SONET, and IP-routed networks that may use any or all of these underly ...
... Quality of Service (QoS) refers to the capability of a network to provide better service to selected network traffic over various technologies, including Frame Relay, Asynchronous Transfer Mode (ATM), Ethernet and 802.1 networks, SONET, and IP-routed networks that may use any or all of these underly ...
TRILL Link
... Introduce a new Hierarchical L2VPN architecture with RBridge and IP/MPLS It is an informational draft because it requires no changes to the TRILL or MPLS standards ...
... Introduce a new Hierarchical L2VPN architecture with RBridge and IP/MPLS It is an informational draft because it requires no changes to the TRILL or MPLS standards ...
I41026670
... SP.MPLS-enabled IP VPNs are connectionless IP networks with the same privacy as frame relay and multiple IP service classes to enforce business-based policies. MPLS-based VPNs make operations much more efficient. The traditional overlay VPN solutions require tunnelling or encryption deployed over a ...
... SP.MPLS-enabled IP VPNs are connectionless IP networks with the same privacy as frame relay and multiple IP service classes to enforce business-based policies. MPLS-based VPNs make operations much more efficient. The traditional overlay VPN solutions require tunnelling or encryption deployed over a ...
transport entity
... delivery not only from one computer to the next but also from a specific process on one computer to a specific process on the other. • The transport layer header must therefore include a type of address called a service-point address in the OSI model and port number or port addresses in the Internet ...
... delivery not only from one computer to the next but also from a specific process on one computer to a specific process on the other. • The transport layer header must therefore include a type of address called a service-point address in the OSI model and port number or port addresses in the Internet ...
Network Layer and Data Center Topologies
... • router knows physicallyconnected neighbors, link costs to neighbors • iterative process of computation, exchange of info with neighbors ...
... • router knows physicallyconnected neighbors, link costs to neighbors • iterative process of computation, exchange of info with neighbors ...
Future Trends in Fiber Optics Communication
... communication network. In such networks, all signals will be processed in the optical domain, without any form of electrical manipulation. Presently, processing and switching of signals take place in the electrical domain, optical signals must first be converted to electrical signal before they can ...
... communication network. In such networks, all signals will be processed in the optical domain, without any form of electrical manipulation. Presently, processing and switching of signals take place in the electrical domain, optical signals must first be converted to electrical signal before they can ...
Network Layer
... reason not to put the complexity in the hosts. 2. The subnet is a major international investment that will last for decades, so it should not be cluttered up with features that may become obsolete quickly. 3. Some applications, such as digitized voice and real-time data collection may regard speedy ...
... reason not to put the complexity in the hosts. 2. The subnet is a major international investment that will last for decades, so it should not be cluttered up with features that may become obsolete quickly. 3. Some applications, such as digitized voice and real-time data collection may regard speedy ...
Presentation
... When the wireless medium is congested and the traffic consists of many random UDP flows, COPE increases the throughput 3-4x. In the absence of congestion controlled traffic (UDP), COPE’s throughput improvement may substantially exceed the expected theoretical coding gain. ...
... When the wireless medium is congested and the traffic consists of many random UDP flows, COPE increases the throughput 3-4x. In the absence of congestion controlled traffic (UDP), COPE’s throughput improvement may substantially exceed the expected theoretical coding gain. ...
class - Chabot College
... • Because the network number provides logical order, it can not be randomly assigned. • One organization administrates IP addressing. ...
... • Because the network number provides logical order, it can not be randomly assigned. • One organization administrates IP addressing. ...
pdf
... • router knows physicallyconnected neighbors, link costs to neighbors • iterative process of computation, exchange of info with neighbors ...
... • router knows physicallyconnected neighbors, link costs to neighbors • iterative process of computation, exchange of info with neighbors ...
Countering DoS Through Filtering
... – Next hop forwarding in packet switched networks is not dependent on • a packet’s original source • the path that packet has taken before it arrives at a particular packet switch ...
... – Next hop forwarding in packet switched networks is not dependent on • a packet’s original source • the path that packet has taken before it arrives at a particular packet switch ...
Incorporating Network RAM and Flash into Fast Backing Store for
... performance improvements, especially if the OS is modified to remove the classical assumption that I/O is very slow compared to computation. The FlashVM project [14] examines using flash as the virtual memory system’s paging and swapping device. They show that many changes need to be made to the ope ...
... performance improvements, especially if the OS is modified to remove the classical assumption that I/O is very slow compared to computation. The FlashVM project [14] examines using flash as the virtual memory system’s paging and swapping device. They show that many changes need to be made to the ope ...