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 ...
Public Key Protected Data Plane and Demo
... Dynamic enable/diable of data-packet mode through hipconf parameter Signature and HostId support implemented and verified at the receiver. HMAC for data packets needs to be implemeted. Current assumption is that both sender and receiver understand HIP Data. Need to modify the code to send R1 when it ...
... Dynamic enable/diable of data-packet mode through hipconf parameter Signature and HostId support implemented and verified at the receiver. HMAC for data packets needs to be implemeted. Current assumption is that both sender and receiver understand HIP Data. Need to modify the code to send R1 when it ...
Introduction to networking, protocol layers, TCP/IP protocol suite
... total length : length of both header and data identification : all fragments of a datagram contain the same id value host can determine which datagram an incoming fragment belongs DF : do not fragment MF : more fragments (All fragments except last one must have this bit set to true ) Fragment offset ...
... total length : length of both header and data identification : all fragments of a datagram contain the same id value host can determine which datagram an incoming fragment belongs DF : do not fragment MF : more fragments (All fragments except last one must have this bit set to true ) Fragment offset ...
0511refb_dos
... • bulk volume of ECT(0)less bulk volume of CE • measure of downstream congestion allowed by upstream nets • volume charging tries to do this, but badly • aggregates and deaggregates precisely to responsible networks • upstream networks that do nothing about policing, DoS, zombies break SLA or NB get ...
... • bulk volume of ECT(0)less bulk volume of CE • measure of downstream congestion allowed by upstream nets • volume charging tries to do this, but badly • aggregates and deaggregates precisely to responsible networks • upstream networks that do nothing about policing, DoS, zombies break SLA or NB get ...
Wireless Communication Systems
... roams from one access point (e.g. foreign agent in Mobile IP) to another while there are still packets in transit to the wrong access point and forwarding is not possible The performance of an unchanged TCP degrades severely however, TCP cannot be changed fundamentally due to the large base of i ...
... roams from one access point (e.g. foreign agent in Mobile IP) to another while there are still packets in transit to the wrong access point and forwarding is not possible The performance of an unchanged TCP degrades severely however, TCP cannot be changed fundamentally due to the large base of i ...
LAN Protocols and TCP/IP
... TCP/IP Configuration Options • Dynamic IP – A DHCP server must be present in the network to issue dynamic IP – In a number of cases, the MAC address of the client is registered to prevent unauthorized leasing of IP addresses to clients ...
... TCP/IP Configuration Options • Dynamic IP – A DHCP server must be present in the network to issue dynamic IP – In a number of cases, the MAC address of the client is registered to prevent unauthorized leasing of IP addresses to clients ...
PDF
... at the end points of the communication system. Therefore, providing that questioned function as a feature of the communication system itself is not possible. (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.)" ...
... at the end points of the communication system. Therefore, providing that questioned function as a feature of the communication system itself is not possible. (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.)" ...
PPTX
... at the end points of the communication system. Therefore, providing that questioned function as a feature of the communication system itself is not possible. (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.)" ...
... at the end points of the communication system. Therefore, providing that questioned function as a feature of the communication system itself is not possible. (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.)" ...
Cellular IP Modems
... a fail-safe mechanism that re-establishes the connection when the remote device is down. Moreover, if the “Inactivity Timeout” mode is enabled, the connection will disconnect if data has not been transmitted between the serial device and cellular network during a user-specified time period, or the r ...
... a fail-safe mechanism that re-establishes the connection when the remote device is down. Moreover, if the “Inactivity Timeout” mode is enabled, the connection will disconnect if data has not been transmitted between the serial device and cellular network during a user-specified time period, or the r ...
20070716-wenji-demar-bowden
... Send/Receive (Socket) buffer size; Timestamp option enabled? Window scaling option enabled? Window scaling parameter; TCP reordering threshold; Congestion control algorithm; Total TCP memory size; Maximum Segment Size; ...
... Send/Receive (Socket) buffer size; Timestamp option enabled? Window scaling option enabled? Window scaling parameter; TCP reordering threshold; Congestion control algorithm; Total TCP memory size; Maximum Segment Size; ...
TCP/IP and Other Transports for High
... increase the congestion window size to probe for additional available bandwidth cwnd increased by 1 /MTU for each ACK – linear increase in rate ...
... increase the congestion window size to probe for additional available bandwidth cwnd increased by 1 /MTU for each ACK – linear increase in rate ...
ppt
... • Simple resource allocation: FIFO queue & drop-tail • Access to the bandwidth: first-in first-out queue – Packets transmitted in the order they arrive ...
... • Simple resource allocation: FIFO queue & drop-tail • Access to the bandwidth: first-in first-out queue – Packets transmitted in the order they arrive ...
PPT - University of Pittsburgh
... • We need some sort of address in order to identify different nodes, as if every house has a mailing address in order to receive mail from others • The one used by Internet Protocol is called IP address • Every host on the Internet has a unique IP address, made up of four numbers. E.g.. 192.56.215.1 ...
... • We need some sort of address in order to identify different nodes, as if every house has a mailing address in order to receive mail from others • The one used by Internet Protocol is called IP address • Every host on the Internet has a unique IP address, made up of four numbers. E.g.. 192.56.215.1 ...
Introduction Lecture 1
... In Ethernet, multiport repeater or concentrator Connects 2 networks of same ...
... In Ethernet, multiport repeater or concentrator Connects 2 networks of same ...
CSE331-13
... • Designed to be used with end-to-end congestion control – Doesn’t restrict transmission rates of end hosts – Badly-behaved end hosts only hurt themselves ...
... • Designed to be used with end-to-end congestion control – Doesn’t restrict transmission rates of end hosts – Badly-behaved end hosts only hurt themselves ...
ppt
... acks with NFE-1 if sender gets acks that don’t advance NFE, resends missing packet – stop and wait for ack for missing packet? – Resend entire window? ...
... acks with NFE-1 if sender gets acks that don’t advance NFE, resends missing packet – stop and wait for ack for missing packet? – Resend entire window? ...
Ethernet.pdf
... Set up is fast and simple. An RJ-45 connector is used to connect to 10Base-T network wiring. The IP address and gateway are set via the terminal set-up menu and keypad. The appropriate subnet mask is automatically generated for the selected IP address. No special set-up programs are required at the ...
... Set up is fast and simple. An RJ-45 connector is used to connect to 10Base-T network wiring. The IP address and gateway are set via the terminal set-up menu and keypad. The appropriate subnet mask is automatically generated for the selected IP address. No special set-up programs are required at the ...
COS
461:
Computer
Networks
Midterm
Review Spring
2011
... – Larger flows may fast retransmit (detecQng loss through Trip Dup ACKs), small flows may have to wait for Qmeout ...
... – Larger flows may fast retransmit (detecQng loss through Trip Dup ACKs), small flows may have to wait for Qmeout ...
OSI Model
... Use the connection Release the connection The sender, receiver and the network may conduct a negotiation about data transfer speed, maximum message size, etc ...
... Use the connection Release the connection The sender, receiver and the network may conduct a negotiation about data transfer speed, maximum message size, etc ...
Prezentacja programu PowerPoint
... Increase of the number of TCP sessions works only for long latency links ...
... Increase of the number of TCP sessions works only for long latency links ...
Re-ECN - Bob Briscoe
... not IETF role to pre-judge which is right answer to these socio-economic issues Internet needs all these answers – balance to be determined by natural selection ‘do-nothing’ doesn’t maintain liberal status quo, we just get more walls ...
... not IETF role to pre-judge which is right answer to these socio-economic issues Internet needs all these answers – balance to be determined by natural selection ‘do-nothing’ doesn’t maintain liberal status quo, we just get more walls ...