ppt
... periodic exchange of messages with all physical neighbors that contain information about who can be reached at what distance selection of the shortest path if several paths available periodic notification of all routers about the current state of all physical links router get a complete picture of t ...
... periodic exchange of messages with all physical neighbors that contain information about who can be reached at what distance selection of the shortest path if several paths available periodic notification of all routers about the current state of all physical links router get a complete picture of t ...
ppt
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to network layer protocol otherwise, adapter discards frame Type: indicates higher layer protocol (mostly IP ...
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to network layer protocol otherwise, adapter discards frame Type: indicates higher layer protocol (mostly IP ...
paper
... Ethernet frames and groups the data into 66b data blocks. The data blocks are distributed to h Ethernet virtual lanes in a round robin fashion. A linear encoder is introduced which packetizes the data blocks, encodes and distributes the packets to N paths in parallel, N ≥ h. The linear coding proces ...
... Ethernet frames and groups the data into 66b data blocks. The data blocks are distributed to h Ethernet virtual lanes in a round robin fashion. A linear encoder is introduced which packetizes the data blocks, encodes and distributes the packets to N paths in parallel, N ≥ h. The linear coding proces ...
document
... - Problem: how to forward information to intended node(s) • this is done by special nodes (e.g., routers, switches) ...
... - Problem: how to forward information to intended node(s) • this is done by special nodes (e.g., routers, switches) ...
A Big Test Result - Knowledge Systems Institute
... communications are known as routable protocols. • Because routable protocols can be used to tie several LANs together and create new wide-area environments, they are becoming more important in modern internetworking environment. ...
... communications are known as routable protocols. • Because routable protocols can be used to tie several LANs together and create new wide-area environments, they are becoming more important in modern internetworking environment. ...
Security
... This command install an IP filter that accepts new incoming connections to TCP port 22 (the ssh service) on our local system. ...
... This command install an IP filter that accepts new incoming connections to TCP port 22 (the ssh service) on our local system. ...
Network Security CS 478/CIS 678
... User Datagram Protocol (UDP) • UDP can be used instead of TCP to address an application • Does NOT support end-to-end retransmission, reorder out-of-order packets, or perform flow control or congestion control. • Addresses applications via 16-bit Port number Protocol: • UDP is connectionless, which ...
... User Datagram Protocol (UDP) • UDP can be used instead of TCP to address an application • Does NOT support end-to-end retransmission, reorder out-of-order packets, or perform flow control or congestion control. • Addresses applications via 16-bit Port number Protocol: • UDP is connectionless, which ...
Ch08
... the destination. • Operates by first sending out a packet with a Time To Live (TTL) of 1. The first hop then sends back an ICMP error message indicating that the packet could not be forwarded because the TTL expired. • The packet is then resent with a TTL of 2, and the second hop returns the TTL exp ...
... the destination. • Operates by first sending out a packet with a Time To Live (TTL) of 1. The first hop then sends back an ICMP error message indicating that the packet could not be forwarded because the TTL expired. • The packet is then resent with a TTL of 2, and the second hop returns the TTL exp ...
Aalborg Universitet Morten Videbæk
... to guarantee the performance of PlayNCool is that each helper should play it cool and wait until it has received enough packets before it starts to transmit. A distinctive feature of PlayNCool is that it is aware to competition from other nodes. Whenever the network becomes congested due to other fl ...
... to guarantee the performance of PlayNCool is that each helper should play it cool and wait until it has received enough packets before it starts to transmit. A distinctive feature of PlayNCool is that it is aware to competition from other nodes. Whenever the network becomes congested due to other fl ...
4th Edition: Chapter 1
... A note on the use of these ppt slides: We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you can add, modify, and delete slides (including this one) and slide content to suit your needs. They obviously represent a lot of work on our part. I ...
... A note on the use of these ppt slides: We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you can add, modify, and delete slides (including this one) and slide content to suit your needs. They obviously represent a lot of work on our part. I ...
IP2515381543
... investigated. Protocols are simulated using NS-2 simulator. It is observed that modified MAC 802.11KT protocol outperform IEEE 802.11 MAC protocol and it is suitable as low cost wireless network protocol for rural villages. ...
... investigated. Protocols are simulated using NS-2 simulator. It is observed that modified MAC 802.11KT protocol outperform IEEE 802.11 MAC protocol and it is suitable as low cost wireless network protocol for rural villages. ...
Terminode Routing
... – scalability (geography, number of terminodes) – support irregular network – minimal intermediate system functions and overhead ...
... – scalability (geography, number of terminodes) – support irregular network – minimal intermediate system functions and overhead ...
Lab Exercise – ICMP
... The source and destination IP addresses in an IP packet denote the endpoints of an Internet path, not the IP routers on the network path the packet travels from the source to the destination. traceroute is a utility for discovering this path. It works by eliciting ICMP TTL Exceeded responses from th ...
... The source and destination IP addresses in an IP packet denote the endpoints of an Internet path, not the IP routers on the network path the packet travels from the source to the destination. traceroute is a utility for discovering this path. It works by eliciting ICMP TTL Exceeded responses from th ...
Why Big Data Needs Big Buffer Switches
... Why would small buffer switches create such a wide range of bandwidth for different flows? The answer to this is inherent in the way TCP/IP works and TCP/IP flows interact when packets are dropped. The TCP/IP protocol relies on ACK packets from the receiver to pace the speed of transmission of packe ...
... Why would small buffer switches create such a wide range of bandwidth for different flows? The answer to this is inherent in the way TCP/IP works and TCP/IP flows interact when packets are dropped. The TCP/IP protocol relies on ACK packets from the receiver to pace the speed of transmission of packe ...
Lecture 7
... • The IP layer allows packets to be sent over gateways to machines not on the physical network • Addresses used are IP addresses, 32-bit numbers divided into a network address (used for routing) and a host address • The IP protocol is connectionless, implying: – gateways route discrete packets indep ...
... • The IP layer allows packets to be sent over gateways to machines not on the physical network • Addresses used are IP addresses, 32-bit numbers divided into a network address (used for routing) and a host address • The IP protocol is connectionless, implying: – gateways route discrete packets indep ...
firewalls - Faculty Personal Homepage
... For higher security, two chokes and a gateway are used The external choke and gateway are configured as in a screened host firewall. The second choke is a failsafe – if an attacker gains access to the gate, the internal choke prevents further attacks against the internal network. Internet acce ...
... For higher security, two chokes and a gateway are used The external choke and gateway are configured as in a screened host firewall. The second choke is a failsafe – if an attacker gains access to the gate, the internal choke prevents further attacks against the internal network. Internet acce ...
F41023946
... protocol that generates a route on demand using source routing protocol. In Dynamic Source Routing, each source determines the route to be used in transmitting its packets to selected destinations. This protocol floods a route request message in the network to establish a route and there are two mai ...
... protocol that generates a route on demand using source routing protocol. In Dynamic Source Routing, each source determines the route to be used in transmitting its packets to selected destinations. This protocol floods a route request message in the network to establish a route and there are two mai ...
ppt
... them purely based on destination address alone (not quite in reality) • Problem – End host may lie about other fields and not affect delivery • Source address – host may trick destination into believing that packet is from trusted source • Many applications use IP address as a simple authentication ...
... them purely based on destination address alone (not quite in reality) • Problem – End host may lie about other fields and not affect delivery • Source address – host may trick destination into believing that packet is from trusted source • Many applications use IP address as a simple authentication ...
Integrated Service - National Tsing Hua University
... admission test may embody a number of requests merged together, a reservation error must be reported to all the concerned receivers. • These reservation errors are reported within ResvError messages, then receivers can reduce the amount of resource that they request and try reserving again. ...
... admission test may embody a number of requests merged together, a reservation error must be reported to all the concerned receivers. • These reservation errors are reported within ResvError messages, then receivers can reduce the amount of resource that they request and try reserving again. ...