RTT M
... factor is 3. An end point receives an acknowledgment in which the window size is advertised as 32,768. Solution: The size of window this end can use is 32,768 × 2^3 = 262,144 bytes. Although the scale factor could be as large as 255, the largest value allowed by TCP/IP is 14, which means that the ...
... factor is 3. An end point receives an acknowledgment in which the window size is advertised as 32,768. Solution: The size of window this end can use is 32,768 × 2^3 = 262,144 bytes. Although the scale factor could be as large as 255, the largest value allowed by TCP/IP is 14, which means that the ...
Applications
... size to the sender. This is done using the AdvertisedWindow field in the TCP header. The sender is then limited to having no more than a value of AdvertisedWindow bytes of unacknowledged data at any given time. The receiver selects a suitable value for AdvertisedWindow based on the amount of memory ...
... size to the sender. This is done using the AdvertisedWindow field in the TCP header. The sender is then limited to having no more than a value of AdvertisedWindow bytes of unacknowledged data at any given time. The receiver selects a suitable value for AdvertisedWindow based on the amount of memory ...
Review of Important Networking Concepts TCP/IP Introductory
... In this case, each computer is connected to only one link and therefore has only one pair of addresses. Each router, however, is connected to three networks (only two are shown in the figure). So each router has three pairs of addresses, one for each connection. Note. The physical addresses will cha ...
... In this case, each computer is connected to only one link and therefore has only one pair of addresses. Each router, however, is connected to three networks (only two are shown in the figure). So each router has three pairs of addresses, one for each connection. Note. The physical addresses will cha ...
chap2_2ed_5July02 - National Tsing Hua University
... Client queries a root server to find com DNS server Client queries com DNS server to get amazon.com DNS server Client queries amazon.com DNS server to get IP address for www.amazon.com 2: Application Layer ...
... Client queries a root server to find com DNS server Client queries com DNS server to get amazon.com DNS server Client queries amazon.com DNS server to get IP address for www.amazon.com 2: Application Layer ...
for TCP
... • Excessive handshaking with window updates and acknowledgmentsw • Improvement: Delay acknowledgements and window updates for 500 msec to possibly piggyback with data being sent • Still sending 41-byte packets containing as little as 1 byte of data ...
... • Excessive handshaking with window updates and acknowledgmentsw • Improvement: Delay acknowledgements and window updates for 500 msec to possibly piggyback with data being sent • Still sending 41-byte packets containing as little as 1 byte of data ...
FlexNIC: Rethinking Network DMA - Washington
... pipeline issues requests to the DMA controller for transferring data between host memory and packet, after which the packet can again be enqueued in NIC queues for further processing. DMA parameters such as the range in memory and the offset in the packet to transfer are passed to the DMA engine by ...
... pipeline issues requests to the DMA controller for transferring data between host memory and packet, after which the packet can again be enqueued in NIC queues for further processing. DMA parameters such as the range in memory and the offset in the packet to transfer are passed to the DMA engine by ...
Chapter 11 n` 12
... • Sender starts with cwnd = 1 or 2 MSS • For each acknowledged segment, cwnd is increased by 1 MSS. cwnd is increased in this manner until a threshold (called “ssthresh - slow start threshold”) is reached • In most implementations, “ssthresh” is 65535 bytes • Increase of cwnd in the slow-start phase ...
... • Sender starts with cwnd = 1 or 2 MSS • For each acknowledged segment, cwnd is increased by 1 MSS. cwnd is increased in this manner until a threshold (called “ssthresh - slow start threshold”) is reached • In most implementations, “ssthresh” is 65535 bytes • Increase of cwnd in the slow-start phase ...
TCP/IP and Other Transports for High
... Preamble, which is comprised of 56 bits of alternating 0s and 1s. The preamble provides all the nodes on the network a signal against which to synchronize. Start Frame delimiter, which marks the start of a frame. The start frame delimiter is 8 bits long with the pattern10101011 Media Access Control ...
... Preamble, which is comprised of 56 bits of alternating 0s and 1s. The preamble provides all the nodes on the network a signal against which to synchronize. Start Frame delimiter, which marks the start of a frame. The start frame delimiter is 8 bits long with the pattern10101011 Media Access Control ...
Ch_22 - UCF EECS
... 22.2.2 Extension Header An IPv6 packet is made of a base header and some extension headers. The length of the base header is fixed at 40 bytes. However, to give more functionality to the IP datagram, the base header can be followed by up to six extension headers. Many of these headers are options i ...
... 22.2.2 Extension Header An IPv6 packet is made of a base header and some extension headers. The length of the base header is fixed at 40 bytes. However, to give more functionality to the IP datagram, the base header can be followed by up to six extension headers. Many of these headers are options i ...
here
... • Difficulties with firewall Firewalls allows only specific ports ( port 80 ), but DCOM and CORBA assigns port numbers dynamically. • In short, these distributed technologies do not communicate easily with each other because of lack of standards between them. ...
... • Difficulties with firewall Firewalls allows only specific ports ( port 80 ), but DCOM and CORBA assigns port numbers dynamically. • In short, these distributed technologies do not communicate easily with each other because of lack of standards between them. ...
CPDLC latency times
... text response with two timestamps included. This gives us network packet sizes between 78 and 113 bytes. The average roundtrip time for these CPDLC dialogues was 4.05 s and the median was 3.13 s. While these times may seem long compared to what we received when using a pure TCP client/server applica ...
... text response with two timestamps included. This gives us network packet sizes between 78 and 113 bytes. The average roundtrip time for these CPDLC dialogues was 4.05 s and the median was 3.13 s. While these times may seem long compared to what we received when using a pure TCP client/server applica ...
InfiniBand
... • Subnet manager (SM): discovering, configuring, activating and managing the subnet • A subnet management agent (SMA) in every device generates, responses to control packets (subnet management packets (SMPs)), and configures local components for subnet management • SM exchange control packets with S ...
... • Subnet manager (SM): discovering, configuring, activating and managing the subnet • A subnet management agent (SMA) in every device generates, responses to control packets (subnet management packets (SMPs)), and configures local components for subnet management • SM exchange control packets with S ...
DNS - FSU Computer Science Department
... • Most likely what happens when a request for a webpage, the original server will reply the text html file while asking Akamai servers to send the large files. • Good for the clients, and good for the ISPs because it reduces the upstream traffic. ...
... • Most likely what happens when a request for a webpage, the original server will reply the text html file while asking Akamai servers to send the large files. • Good for the clients, and good for the ISPs because it reduces the upstream traffic. ...
sockets-bridge-learning
... • Address: data structure of address of local system – IP address and port number (demux keys) – Same operation for both connection-oriented and ...
... • Address: data structure of address of local system – IP address and port number (demux keys) – Same operation for both connection-oriented and ...
layers
... – in step 6, html file sent over TCP connection – browser interprets html and display the document » may initiate additional TCP connections for images etc. » and GET interactions ...
... – in step 6, html file sent over TCP connection – browser interprets html and display the document » may initiate additional TCP connections for images etc. » and GET interactions ...
Switch - NDSU Computer Science
... There is no round trip time delay waiting for setup. (Host can send data when ready.) Source doesn’t know if network can deliver packet or even if the intended destination is up and accepting packets Since packets are treated independently, it is possible to route around link/node failures. Since ev ...
... There is no round trip time delay waiting for setup. (Host can send data when ready.) Source doesn’t know if network can deliver packet or even if the intended destination is up and accepting packets Since packets are treated independently, it is possible to route around link/node failures. Since ev ...
Packet Timing Security Aspects TICTOC – IETF 78
... › Timing packets could be intercepted by other than the intended recipient, remanufactured in various ways and replayed in whole or part. – An intruder could inject false time values, disrupt the protocol or congest the ...
... › Timing packets could be intercepted by other than the intended recipient, remanufactured in various ways and replayed in whole or part. – An intruder could inject false time values, disrupt the protocol or congest the ...
Socket Programming
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
Socket Programming - Wichita State University
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
Socket Programming
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
... my_addr – The address structure specifies an IP address and protocol port number. addrlen – The size of the address structure in bytes. ...
ping - SLAC
... • Well managed sites and ISPs maintain a list of email addresses such as abuse@ or postmaster@, that one can send email to, for example to complain about spam etc. – This follows an Internet recommendation (RFC 2142). – Some less helpful sites do not provide such services, for more on ...
... • Well managed sites and ISPs maintain a list of email addresses such as abuse@ or postmaster@, that one can send email to, for example to complain about spam etc. – This follows an Internet recommendation (RFC 2142). – Some less helpful sites do not provide such services, for more on ...
AFDX / ARINC 664 Tutorial
... the switch which establishes physical links between all the ESs connected to the switch. The switch is capable of forwarding data from any connected ES to one or more other ESs connected to the switch. However, which incoming data will in fact be forwarded to which ESs depends on the switch configur ...
... the switch which establishes physical links between all the ESs connected to the switch. The switch is capable of forwarding data from any connected ES to one or more other ESs connected to the switch. However, which incoming data will in fact be forwarded to which ESs depends on the switch configur ...
Networked Applications (sockets)
... • Sending process must identify the receiver – The receiving end host machine – The specific socket in a process on that machine ...
... • Sending process must identify the receiver – The receiving end host machine – The specific socket in a process on that machine ...