Computer Network Final Exam 2005
... from home agent If mobile changes visited network Accommodating mobility with direct routing anchor foreign agent: FA in first visited network data always routed first to anchor FA when mobile moves: new FA arranges to have data forwarded from old FA ...
... from home agent If mobile changes visited network Accommodating mobility with direct routing anchor foreign agent: FA in first visited network data always routed first to anchor FA when mobile moves: new FA arranges to have data forwarded from old FA ...
Network forensics is the capture, recording, and analysis of
... reverse DNS lookup etc.This method of tracing the source of attack backwards, starting from the victim node, has its own shortcomings. Often firewalls in the path block the trace routes, so the network administrator’s ability to analyze the traffic is limited to the network in his/her control, there ...
... reverse DNS lookup etc.This method of tracing the source of attack backwards, starting from the victim node, has its own shortcomings. Often firewalls in the path block the trace routes, so the network administrator’s ability to analyze the traffic is limited to the network in his/her control, there ...
OLD_chapter_18
... • site looks to rest of internet like single network • each LAN assigned subnet number • host portion of address partitioned into subnet number and host number • local routers route within subnetted network • subnet mask indicates which bits are subnet number and which are host number ...
... • site looks to rest of internet like single network • each LAN assigned subnet number • host portion of address partitioned into subnet number and host number • local routers route within subnetted network • subnet mask indicates which bits are subnet number and which are host number ...
Application of Networks
... Network is highly dependent upon the operation of the central server. If it were to slow significantly then the network becomes slow. In addition, if it were to become un-operational then the complete network would shut down. ...
... Network is highly dependent upon the operation of the central server. If it were to slow significantly then the network becomes slow. In addition, if it were to become un-operational then the complete network would shut down. ...
Overlay Network Monitoring and its Applications
... – Care about path loss rates than any interior links – Poor router alias resolution present show multiple links for one => assign similar loss rates to all the links ...
... – Care about path loss rates than any interior links – Poor router alias resolution present show multiple links for one => assign similar loss rates to all the links ...
Week Eight
... Gigabit Ethernet – Other Terms Backpressure – a flow-control technique that avoids frame loss by impeding external traffic from sending frames to congested interfaces GBIC (gigabit interface converter) – type of hotswappable, standards-based transceiver used with switches. It converts electrical si ...
... Gigabit Ethernet – Other Terms Backpressure – a flow-control technique that avoids frame loss by impeding external traffic from sending frames to congested interfaces GBIC (gigabit interface converter) – type of hotswappable, standards-based transceiver used with switches. It converts electrical si ...
Declarative Networking - CIS @ UPenn
... “Ask for what you want, not how to implement it” Success of database research 70’s – today: Database research has revolutionized data ...
... “Ask for what you want, not how to implement it” Success of database research 70’s – today: Database research has revolutionized data ...
chapter2ccna
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
ppt
... • Elements (send/receive) data in terms of Frames. • Unique MAC (Media Access Control) address as an identifier for each element. • NIC within every element uses MAC addresses as an address of a house, determining if a frame carries its own address in the sake of passing it on to upper layers (accep ...
... • Elements (send/receive) data in terms of Frames. • Unique MAC (Media Access Control) address as an identifier for each element. • NIC within every element uses MAC addresses as an address of a house, determining if a frame carries its own address in the sake of passing it on to upper layers (accep ...
Lec_1: Syllabus
... IPv6 Datagram Format Priority: identify priority among datagrams in flow Flow label: identify datagrams in same “flow.” (Concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
... IPv6 Datagram Format Priority: identify priority among datagrams in flow Flow label: identify datagrams in same “flow.” (Concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
Grid: Scalable Ad Hoc Networking
... • Geographic forwarding is less fragile than source routing. • DSR queries use too much b/w with > 300 nodes. ...
... • Geographic forwarding is less fragile than source routing. • DSR queries use too much b/w with > 300 nodes. ...
revision class 1, 21/4/2016
... COPE incorporates three main techniques: – Opportunistic Listening – Opportunistic Coding – Learning Neighbor State ...
... COPE incorporates three main techniques: – Opportunistic Listening – Opportunistic Coding – Learning Neighbor State ...
Lecture03
... Update forwarding table with the v that achieves least cost to y Eventually, assuming that link costs do not change, the estimate Dx(y) converges to the actual least cost dx(y) for all x, y ...
... Update forwarding table with the v that achieves least cost to y Eventually, assuming that link costs do not change, the estimate Dx(y) converges to the actual least cost dx(y) for all x, y ...
1545-13-Internet
... – An IP network is a logical entity with a network number – We represent an IP network as a “cloud” – The IP delivery service takes the view of clouds, and ignores the data link layer view ...
... – An IP network is a logical entity with a network number – We represent an IP network as a “cloud” – The IP delivery service takes the view of clouds, and ignores the data link layer view ...
FJ2110091012
... other nodes. The most important characteristics is the dynamic topology,which is a consequence of node mobility.Nodes can change position quite frequently leading to packet loss. The biggest challenge in MANETs is to find a path between communicating nodes, that is, the MANET routing problem. The co ...
... other nodes. The most important characteristics is the dynamic topology,which is a consequence of node mobility.Nodes can change position quite frequently leading to packet loss. The biggest challenge in MANETs is to find a path between communicating nodes, that is, the MANET routing problem. The co ...
Client-server - Dipartimento di Informatica
... - used for indexing and forwarding - large state and high load on supernodes • Flat structured: constraints based on node ids - allows for efficient data location ...
... - used for indexing and forwarding - large state and high load on supernodes • Flat structured: constraints based on node ids - allows for efficient data location ...
CAN
... The probing phase: probe nearby nodes for distance measurements as soon as join the system The jumping phase: pick the closest zone accordingly to jump to ...
... The probing phase: probe nearby nodes for distance measurements as soon as join the system The jumping phase: pick the closest zone accordingly to jump to ...
6.11 Advanced Topics: Networks
... provide traffic isolation—that is, multiple domains—but the hub does not. ...
... provide traffic isolation—that is, multiple domains—but the hub does not. ...
Document
... A bridge operates in both physical and data link layers A bridge has filtering capability: Having a table used in filtering decisions A bridge can check, does not change the physical (MAC) addresses in a frame ...
... A bridge operates in both physical and data link layers A bridge has filtering capability: Having a table used in filtering decisions A bridge can check, does not change the physical (MAC) addresses in a frame ...