Internet History and Architectural Principles
... Excessive congestion: packet delay and loss protocols needed for reliable data transfer congestion control needed Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still a research question Q: human analogies of reserved resources (circuit switchin ...
... Excessive congestion: packet delay and loss protocols needed for reliable data transfer congestion control needed Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still a research question Q: human analogies of reserved resources (circuit switchin ...
NetworkingReview
... b. Bandwidth is 10Mbps, but after each packet we must wait 1 RTT before sending the next one. c. Link allows infinitely fast transmit, but limits bandwidth to only 20 packets per RTT. d. Link is infinitely fast as in (c), but we can send 1 packet in the first RTT, 2 in the second, 4 in the third, et ...
... b. Bandwidth is 10Mbps, but after each packet we must wait 1 RTT before sending the next one. c. Link allows infinitely fast transmit, but limits bandwidth to only 20 packets per RTT. d. Link is infinitely fast as in (c), but we can send 1 packet in the first RTT, 2 in the second, 4 in the third, et ...
Document
... Stateful packet filtering • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
... Stateful packet filtering • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
IP packet filtering Packet filtering
... Stateful packet filtering • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
... Stateful packet filtering • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
Powerpoint
... – change routes based on topology and traffic – info: locally, adjacent routers, all routers – freq: every T seconds, load change, topology change ...
... – change routes based on topology and traffic – info: locally, adjacent routers, all routers – freq: every T seconds, load change, topology change ...
Document
... – AAL attaches an additional header to the packet needed for reassembly at the receiver – Five different AAL protocols were defined; AAL5 was the most popular in data networks ...
... – AAL attaches an additional header to the packet needed for reassembly at the receiver – Five different AAL protocols were defined; AAL5 was the most popular in data networks ...
CCNA2 3.1-09 Basic Router Troubleshooting
... it looks for the prefix 192.168.4.0/24 in its table. •RTA then forwards the packet out an interface (Ethernet0) based on the routing table entry. •If RTA receives a packet destined for 10.3.21.5, it sends that packet out Serial 0 Version 3.1 ...
... it looks for the prefix 192.168.4.0/24 in its table. •RTA then forwards the packet out an interface (Ethernet0) based on the routing table entry. •If RTA receives a packet destined for 10.3.21.5, it sends that packet out Serial 0 Version 3.1 ...
doc - Andrew.cmu.edu
... 11. Suppose a hacker obtains control of all the BGP-speaking routers in several different Autonomous Systems (ASes). Our hacker has each AS “hijack” several IP blocks. That is, each AS under his or her control announces via BGP that it owns IP blocks for which it does not. For example, our hacker ha ...
... 11. Suppose a hacker obtains control of all the BGP-speaking routers in several different Autonomous Systems (ASes). Our hacker has each AS “hijack” several IP blocks. That is, each AS under his or her control announces via BGP that it owns IP blocks for which it does not. For example, our hacker ha ...
Switching
... • Doesn’t work so well w. 48-byte ATM cell payloads! • Solution: AAL – ATM adaptation layer - Segments larger packets into cells, reassembles ...
... • Doesn’t work so well w. 48-byte ATM cell payloads! • Solution: AAL – ATM adaptation layer - Segments larger packets into cells, reassembles ...
Internetworking - University of Maine System
... Universal Service is the concept that any device on any network can communicate with any arbitrary device on another network. The Internet is a heterogeneous environment, with multiple, independent network topologies. In LANs, we have seen that heterogeneous technologies cannot interconnect without ...
... Universal Service is the concept that any device on any network can communicate with any arbitrary device on another network. The Internet is a heterogeneous environment, with multiple, independent network topologies. In LANs, we have seen that heterogeneous technologies cannot interconnect without ...
Serverland Clean-up
... – Autonomous system is collection of networks under a common administration sharing a common routing strategy – Can also be thought of as a routing domain ...
... – Autonomous system is collection of networks under a common administration sharing a common routing strategy – Can also be thought of as a routing domain ...
Switching and Forwarding
... • Typically wait full RTT for connection setup before sending first data packet. • While the connection request contains the full address for destination, each data packet contains only a small identifier, making the per-packet header overhead small. • If a switch or a link in a connection fails, th ...
... • Typically wait full RTT for connection setup before sending first data packet. • While the connection request contains the full address for destination, each data packet contains only a small identifier, making the per-packet header overhead small. • If a switch or a link in a connection fails, th ...
Question 1
... 4. A bridge can carry out traffic filtering based on Layer-2 addressing. 5. In a switched star Ethernet, one might expect the performance of the network to improve later than at the instant the network is started up. 6. Bridging can be used to increase the number of hosts connected to a shared Ether ...
... 4. A bridge can carry out traffic filtering based on Layer-2 addressing. 5. In a switched star Ethernet, one might expect the performance of the network to improve later than at the instant the network is started up. 6. Bridging can be used to increase the number of hosts connected to a shared Ether ...
Lucent Slide Guide - Asia Pacific Regional Internet
... • Application specific behavior for different IP Flows – Deliver bandwidth, and access privileges as required ...
... • Application specific behavior for different IP Flows – Deliver bandwidth, and access privileges as required ...
Switching
... • That switch finds a dedicated channel between itself and the next switch in the sequence, and forwards the request through that channel. • The next switch creates a dedicated channel between itself and the next switch down the line….. • etc., until the switch that R is connected to is found. • R s ...
... • That switch finds a dedicated channel between itself and the next switch in the sequence, and forwards the request through that channel. • The next switch creates a dedicated channel between itself and the next switch down the line….. • etc., until the switch that R is connected to is found. • R s ...
Lec 1
... • Routers send packets on best path to the destination. This is necessary for path redundancy • Because they operate at layer 3 they are inherently slower than bridges but more complex technologies are compensating – Route on IP addresses can use different paths • They maintain separate network segm ...
... • Routers send packets on best path to the destination. This is necessary for path redundancy • Because they operate at layer 3 they are inherently slower than bridges but more complex technologies are compensating – Route on IP addresses can use different paths • They maintain separate network segm ...
Traffic Engineering and Routing
... QoS Routing for High-Speed Networks QoS Routing for Multimedia ...
... QoS Routing for High-Speed Networks QoS Routing for Multimedia ...
Slides - Nipun Arora
... A holistic view on the lifetime of a packet – a series of events collected from routers/switches that the packet goes through during its routing. – similar to IP Traceback output. ...
... A holistic view on the lifetime of a packet – a series of events collected from routers/switches that the packet goes through during its routing. – similar to IP Traceback output. ...
An Analytics Approach to Traffic Analysis in Network Virtualization
... A holistic view on the lifetime of a packet – a series of events collected from routers/switches that the packet goes through during its routing. – similar to IP Traceback output. ...
... A holistic view on the lifetime of a packet – a series of events collected from routers/switches that the packet goes through during its routing. – similar to IP Traceback output. ...
