Type of Networks (Continued)
... • To avoid this problem, IEEE 802.11 provides for the optional use of a Request To Send (RTS) and Clear To Send (CTS) exchange of frames before the data transmission − Before a sender transmits its data frame, it sends a RTS frame to the receiver indicating the entire duration of the transmission in ...
... • To avoid this problem, IEEE 802.11 provides for the optional use of a Request To Send (RTS) and Clear To Send (CTS) exchange of frames before the data transmission − Before a sender transmits its data frame, it sends a RTS frame to the receiver indicating the entire duration of the transmission in ...
Data Communication Network
... Node-station links are generally dedicated pointto-point links. Node-node links are usually multiplexed, using either frequency division multiplexing (FDM) or time division multiplexing (TDM). Usually, the network is not fully connected; that is, there is not a direct link between every possible pai ...
... Node-station links are generally dedicated pointto-point links. Node-node links are usually multiplexed, using either frequency division multiplexing (FDM) or time division multiplexing (TDM). Usually, the network is not fully connected; that is, there is not a direct link between every possible pai ...
Great ideas, big data and little privacy?
... • Pervasive surveillance requires pervasive collection and active attacks (also on innocent bystanders) • active attacks undermine integrity of and trust in computing infrastructure ...
... • Pervasive surveillance requires pervasive collection and active attacks (also on innocent bystanders) • active attacks undermine integrity of and trust in computing infrastructure ...
Computer Networks BITS ZC481
... packets (Packet Switching) from one node to other towards destination host can be routers or switches. ...
... packets (Packet Switching) from one node to other towards destination host can be routers or switches. ...
TCP Review - Stanford University
... • Routers handle burstiness of traffic by queuing incoming packets • Routers try to provide fairness, high throughput, and low delay • Fair Queuing – provide each flow an equal portion – Packets placed in per flow FIFO – Calculate Fi for each packet, or time it would complete being transmitted if we ...
... • Routers handle burstiness of traffic by queuing incoming packets • Routers try to provide fairness, high throughput, and low delay • Fair Queuing – provide each flow an equal portion – Packets placed in per flow FIFO – Calculate Fi for each packet, or time it would complete being transmitted if we ...
PPT Version
... The destination/src address field is either 16 bits or 64 bits in length, according to the value specified in the destination addressing mode subfield of the frame control field, and specifies the address of the intended recipient of the frame. A 16 bit value of 0 x ffff in this field shall represen ...
... The destination/src address field is either 16 bits or 64 bits in length, according to the value specified in the destination addressing mode subfield of the frame control field, and specifies the address of the intended recipient of the frame. A 16 bit value of 0 x ffff in this field shall represen ...
ppt - School of Computer Science
... (1) Physical: transmission of a bit stream. (2) Data link: flow control, framing, error detection. (3) Network: switching and routing. (4) Transport: reliable end to end delivery. (5) Session: managing logical connections. (6) Presentation: data transformations. (7) Application: specific uses, e.g. ...
... (1) Physical: transmission of a bit stream. (2) Data link: flow control, framing, error detection. (3) Network: switching and routing. (4) Transport: reliable end to end delivery. (5) Session: managing logical connections. (6) Presentation: data transformations. (7) Application: specific uses, e.g. ...
lec6_1
... Connecting Multiple Computers • Shared Media vs. Switched: pairs communicate at same time: “point-to-point” connections • Aggregate BW in switched network is many times shared – point-to-point faster since no arbitration, simpler interface ...
... Connecting Multiple Computers • Shared Media vs. Switched: pairs communicate at same time: “point-to-point” connections • Aggregate BW in switched network is many times shared – point-to-point faster since no arbitration, simpler interface ...
for networks
... transmitted simultaneously (usually an entire byte is transmitted along a bundle of parallel lines) – On PCs information sent to your printer employs parallel transmissions ...
... transmitted simultaneously (usually an entire byte is transmitted along a bundle of parallel lines) – On PCs information sent to your printer employs parallel transmissions ...
IEEE International Conference on Network Protocols
... covering all aspects of network protocol research, including design, analysis, specification, verification, implementation, and performance. ICNP 2016, the 24th annual edition, will be held in Singapore from Nov. 8-11, 2016. Papers with significant research contributions to the field of network prot ...
... covering all aspects of network protocol research, including design, analysis, specification, verification, implementation, and performance. ICNP 2016, the 24th annual edition, will be held in Singapore from Nov. 8-11, 2016. Papers with significant research contributions to the field of network prot ...
LECTURE 10
... transmitted quasi-periodically by the access point It contains information such as the BSS-ID, timestamp (for synchronization), traffic indication map (for sleep mode), power management, and roaming Beacons are always transmitted at the expected beacon interval unless the medium is busy RSS measurem ...
... transmitted quasi-periodically by the access point It contains information such as the BSS-ID, timestamp (for synchronization), traffic indication map (for sleep mode), power management, and roaming Beacons are always transmitted at the expected beacon interval unless the medium is busy RSS measurem ...
hawaii-SPIE-aug02
... + lifetime management • to be developed by OGSA project – OGSA-DAI integrates database access – AstroGrid and MyGrid "early adopters" ...
... + lifetime management • to be developed by OGSA project – OGSA-DAI integrates database access – AstroGrid and MyGrid "early adopters" ...
Why to learn OSI reference Model?
... following totally different protocols then we have to connect a device called Gateway between such systems. Gateways are computers loaded with special software, which do the job of translation work from one protocol to other so that communication between heterogeneous systems may take place. ...
... following totally different protocols then we have to connect a device called Gateway between such systems. Gateways are computers loaded with special software, which do the job of translation work from one protocol to other so that communication between heterogeneous systems may take place. ...
Router Architecture
... algorithms to support priorities and guarantees. Support data link layer functionality. ...
... algorithms to support priorities and guarantees. Support data link layer functionality. ...
these notes (in PPT format).
... Two or more LAN’s connected to each other, over a large area, e.g. international communication networks. Common ways of connecting between LAN’s in a WAN: ...
... Two or more LAN’s connected to each other, over a large area, e.g. international communication networks. Common ways of connecting between LAN’s in a WAN: ...
AshkanPaya
... awnd : advertised window (how many more bytes the receiver is willing to accept beyond the last acknowledged byte) ss_thresh : defined constant as a critical value RTT : Round Trip Time BDP : Bandwidth Delay Product Time Out : duration from sending a packet that will be lost and retransmission of th ...
... awnd : advertised window (how many more bytes the receiver is willing to accept beyond the last acknowledged byte) ss_thresh : defined constant as a critical value RTT : Round Trip Time BDP : Bandwidth Delay Product Time Out : duration from sending a packet that will be lost and retransmission of th ...
Multiplexing
... Data link control protocols not needed at this level Flow control: – not needed, data rate of multiplexed line is fixed ...
... Data link control protocols not needed at this level Flow control: – not needed, data rate of multiplexed line is fixed ...
Malwares – Types & Defense
... Lame Example 1: Let your SMTP server be 149.169.0.1, and port be ...
... Lame Example 1: Let your SMTP server be 149.169.0.1, and port be ...
1545-13-Internet
... • View at the IP layer: – 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 ...
... • View at the IP layer: – 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 ...
ppt - Carnegie Mellon School of Computer Science
... » What happens when the user sends this character? » Use escape character when controls appear in data: ...
... » What happens when the user sends this character? » Use escape character when controls appear in data: ...