Review For Exam notes
... Ephemeral/dynamic/private ports (49152-65535) Not permanently assigned by ICANN. Web server applications www:80 FTP:21 SMTP:25 Operating System ...
... Ephemeral/dynamic/private ports (49152-65535) Not permanently assigned by ICANN. Web server applications www:80 FTP:21 SMTP:25 Operating System ...
View File - UET Taxila
... Addresses: 6 bytes, frame is received by all adapters on a LAN and dropped if address does not match ...
... Addresses: 6 bytes, frame is received by all adapters on a LAN and dropped if address does not match ...
Darwin: Customizable Resource Management for Value
... – Can make the link full duplex (really simple protocol!) – Simplifies the protocol and hardware used (only two stations on the link) – no longer full CSMA/CD – Can have different port speeds on the same switch • Unlike in a hub, packets can be stored ...
... – Can make the link full duplex (really simple protocol!) – Simplifies the protocol and hardware used (only two stations on the link) – no longer full CSMA/CD – Can have different port speeds on the same switch • Unlike in a hub, packets can be stored ...
Routing
... eg- small cooperation. Multihomed AS: connected with more than one other AS. refuses to carry transit traffic. eg- large corporations. Transit AS: it has more connection and designed carry both transit and local traffic. (backbone) ...
... eg- small cooperation. Multihomed AS: connected with more than one other AS. refuses to carry transit traffic. eg- large corporations. Transit AS: it has more connection and designed carry both transit and local traffic. (backbone) ...
Games and the Impossibility of Realizable Ideal Functionality
... Attacker sends many packets Route from attacker to victim remains relatively ...
... Attacker sends many packets Route from attacker to victim remains relatively ...
Towards an In-depth Understanding of Deep Packet Inspection
... 2-byte addressing scheme, there are over 65,500 available addresses in which every DNP3 device is required to have a unique address for sending and receiving messages to and from each other. Three destination addresses are reserved by DNP3 as broadcast addresses. The data payload is divided into blo ...
... 2-byte addressing scheme, there are over 65,500 available addresses in which every DNP3 device is required to have a unique address for sending and receiving messages to and from each other. Three destination addresses are reserved by DNP3 as broadcast addresses. The data payload is divided into blo ...
Chapter 18 - William Stallings, Data and Computer
... when it times out, a probe segment is sent alerting the receiver that the ACK is lost and be resent. Keep-Alive timer: used in most implementations to prevent long idle connection, each time one end receive segment from other side, timer is reset, otherwise (after 2H) a probe is sent, after severa ...
... when it times out, a probe segment is sent alerting the receiver that the ACK is lost and be resent. Keep-Alive timer: used in most implementations to prevent long idle connection, each time one end receive segment from other side, timer is reset, otherwise (after 2H) a probe is sent, after severa ...
IP Trace-back - HKU Information Technology Services
... chances of two packets digest forwarded within a short gap of time is much smaller. More generally, the ICMP traceback scheme is really interesting as it can handle DDoS very well with fast recognition and requires low interoperability between ISPs as Caddie propagators transmit the Caddie packet li ...
... chances of two packets digest forwarded within a short gap of time is much smaller. More generally, the ICMP traceback scheme is really interesting as it can handle DDoS very well with fast recognition and requires low interoperability between ISPs as Caddie propagators transmit the Caddie packet li ...
514-01-ATM
... • If ATM switch is congested and has to drop packets, it should first drop packets with this bit set ...
... • If ATM switch is congested and has to drop packets, it should first drop packets with this bit set ...
CAS: Central Authentication Service
... – unreliable -- packets can be damaged, lost, duplicated, delivered out of order – packets can arrive too fast to be processed – stateless: no memory from one packet to next – limited size: long messages have to be fragmented and reassembled ...
... – unreliable -- packets can be damaged, lost, duplicated, delivered out of order – packets can arrive too fast to be processed – stateless: no memory from one packet to next – limited size: long messages have to be fragmented and reassembled ...
IP Forwarding and ICMP
... Connectionless: Each packet (“datagram”) is handled independently. IP is not aware that packets between hosts may be sent in a logical sequence Best effort: IP does not make guarantees on the service (no throughput guarantee, no delay guarantee,…) ...
... Connectionless: Each packet (“datagram”) is handled independently. IP is not aware that packets between hosts may be sent in a logical sequence Best effort: IP does not make guarantees on the service (no throughput guarantee, no delay guarantee,…) ...
NAME: Computer Science 461 Midterm Exam March 30, 2009
... 1D. [4 points] In the previous example of 1c, would anything be different if all packets were lost after you reached 32,000 bytes per second, instead of just a single packet? If so, what is the next instantaneous rate TCP will send at in this example, and how long (in terms of RTTs) would it now tak ...
... 1D. [4 points] In the previous example of 1c, would anything be different if all packets were lost after you reached 32,000 bytes per second, instead of just a single packet? If so, what is the next instantaneous rate TCP will send at in this example, and how long (in terms of RTTs) would it now tak ...
PDF
... Mobile AdHoc Network (MANET) is a wireless network with a set of mobile nodes that can communicate with each other with no access point and without any fixed infrastructure. But mobile devices usually have limited resources (battery power, memory, CPU) which limit their transmission range. Hence, in ...
... Mobile AdHoc Network (MANET) is a wireless network with a set of mobile nodes that can communicate with each other with no access point and without any fixed infrastructure. But mobile devices usually have limited resources (battery power, memory, CPU) which limit their transmission range. Hence, in ...
Network Routing Algorithms
... aware of network topology and the spanning tree can be computed • With Distance Vector Routing reverse path forwarding is used. – When a router receives a packet for a multicast group for which it has no subscribers (hosts or other routers), the router sends a PRUNE message to the source router. ...
... aware of network topology and the spanning tree can be computed • With Distance Vector Routing reverse path forwarding is used. – When a router receives a packet for a multicast group for which it has no subscribers (hosts or other routers), the router sends a PRUNE message to the source router. ...
Network Management - Department of Computer Science, HKBU
... A sniffer can be a hardware, or software running on a computer. It accepts all packets received on the network interface(s). When a network interface operates in this manner, it is configured for “promiscuous mode” ...
... A sniffer can be a hardware, or software running on a computer. It accepts all packets received on the network interface(s). When a network interface operates in this manner, it is configured for “promiscuous mode” ...
