How the TCP/IP Protocol Works
... Address Recognition Protocol (ARP) • IP address is at network layer, need to map it to the MAC (Ethernet address) link layer address • Use ARP to map 48 bit Ethernet address to 32 bit IP – IP requests MAC address for IP address from local ARP table – If not there, then an ARP request packet for IP ...
... Address Recognition Protocol (ARP) • IP address is at network layer, need to map it to the MAC (Ethernet address) link layer address • Use ARP to map 48 bit Ethernet address to 32 bit IP – IP requests MAC address for IP address from local ARP table – If not there, then an ARP request packet for IP ...
SONET Overview Randy Eisenach FNTS System
... • Separate networks due to regulatory, operational, or administrative requirements ...
... • Separate networks due to regulatory, operational, or administrative requirements ...
Enterprise Ethernet Switch/Routers using PowerPC
... IP network or subnet addresses A multicast address ...
... IP network or subnet addresses A multicast address ...
Link Layer - Southern Adventist University
... • ATM, MPLS separate networks in their own right – different service models, addressing, routing from Internet ...
... • ATM, MPLS separate networks in their own right – different service models, addressing, routing from Internet ...
specification for: twisted pair video system
... the connected network device, viz., IP camera. When power requirements of a network device are greater than power available from the ER16500C unit, a local PoE supply, NITEK Model PS48 or equivalent, shall be connected at the Transmitter to provide supplemental power. An optional 2.5mm mini-jack for ...
... the connected network device, viz., IP camera. When power requirements of a network device are greater than power available from the ER16500C unit, a local PoE supply, NITEK Model PS48 or equivalent, shall be connected at the Transmitter to provide supplemental power. An optional 2.5mm mini-jack for ...
Network Devices - courses.psu.edu
... Internet Control Message Protocol (ICMP) • Provides message control and errorreporting services between two TCP/IP host and between a host server and gateway to the Internet • Routes periodically sends following messages – Destination unreachable – Buffer full – Hops – Pings – Traceroute ...
... Internet Control Message Protocol (ICMP) • Provides message control and errorreporting services between two TCP/IP host and between a host server and gateway to the Internet • Routes periodically sends following messages – Destination unreachable – Buffer full – Hops – Pings – Traceroute ...
Click Router
... • Click is a new software architecture for building extensible and configurable routers. • A Click router is assembled from packet processing modules called elements. – Individual elements implement simple router functions like packet classication, queueing, scheduling, and interfacing with network ...
... • Click is a new software architecture for building extensible and configurable routers. • A Click router is assembled from packet processing modules called elements. – Individual elements implement simple router functions like packet classication, queueing, scheduling, and interfacing with network ...
Powerpoint
... Link layer might not be enough to handle that much; Various link layer technologies have different limits As pass over various link layers, IP datagram will be fragmented if necessary Total length field will change when fragmented 4: Network Layer ...
... Link layer might not be enough to handle that much; Various link layer technologies have different limits As pass over various link layers, IP datagram will be fragmented if necessary Total length field will change when fragmented 4: Network Layer ...
Slide 1
... VCCs, and uses ATM addressing • QoS support within WinSock 2 is based on the flow specification – Source traffic description (token bucket size and token rate) – Latency (time elapsed between a bit sent by the sender and arrival at the destination), delay variation (the difference between the minimu ...
... VCCs, and uses ATM addressing • QoS support within WinSock 2 is based on the flow specification – Source traffic description (token bucket size and token rate) – Latency (time elapsed between a bit sent by the sender and arrival at the destination), delay variation (the difference between the minimu ...
Underlying Technologies
... The term Ethernet comes from the luminiferous ether, the medium through which electromagnetic radiation was thought to propagate. This was before it was discovered that electromagnetic radiation could propagate in a vacuum. ...
... The term Ethernet comes from the luminiferous ether, the medium through which electromagnetic radiation was thought to propagate. This was before it was discovered that electromagnetic radiation could propagate in a vacuum. ...
IT 605 - IIT Bombay
... • Detect collision or wait for acknowledgment • If no acknowledgment (or collision), try again after a random waiting time Collision: If more than one node transmits at the same time. If there is a collision, all nodes have to retransmit packets ...
... • Detect collision or wait for acknowledgment • If no acknowledgment (or collision), try again after a random waiting time Collision: If more than one node transmits at the same time. If there is a collision, all nodes have to retransmit packets ...
Lecture-12(ADDRESS MAPPING)
... server. When a diskless workstation is booted in a network it broadcast a RARP request packet on the local network .this address packet is broadcast on the network for all to receive because the workstation does not know the IP address of the server that can supply it with an address. It includes it ...
... server. When a diskless workstation is booted in a network it broadcast a RARP request packet on the local network .this address packet is broadcast on the network for all to receive because the workstation does not know the IP address of the server that can supply it with an address. It includes it ...
Industrial Ethernet
... • In contrast to publisher – subscriber within the producer – consumer the groups of communicating partners which are interessted in the same data sets are not maintained by a communication partner. • To enable grouping each set of data is labbeled by special communication identifierer. • The first ...
... • In contrast to publisher – subscriber within the producer – consumer the groups of communicating partners which are interessted in the same data sets are not maintained by a communication partner. • To enable grouping each set of data is labbeled by special communication identifierer. • The first ...
Internetworking
... excluding the PPP header, which leaves 512 bytes for data after the 20-byte IP header. ...
... excluding the PPP header, which leaves 512 bytes for data after the 20-byte IP header. ...
Compressed Color Histograms for Image Retrieval
... Real-time over SAN - Future works Real-time services • Normal data exchange • Synchronization of software processes • Real-time debugging • Clock synchronization • Group communication (many-tomany etc) • etc ...
... Real-time over SAN - Future works Real-time services • Normal data exchange • Synchronization of software processes • Real-time debugging • Clock synchronization • Group communication (many-tomany etc) • etc ...
EE 122: Computer Networks
... • If it’s remote, look up first hop in (very small) local routing table – E.g., by default, route via 1.2.3.19 – Now do the local case but for 1.2.3.19 rather than ultimate destination IP address ...
... • If it’s remote, look up first hop in (very small) local routing table – E.g., by default, route via 1.2.3.19 – Now do the local case but for 1.2.3.19 rather than ultimate destination IP address ...
Transmission Control Protocol (TCP)
... congestion avoidance is performed (window increases only by 1 every round-trip time) Fast recovery ensures that pipe does not become empty Window cut-down to 1 (and subsequent slowstart) performed only on time-out ...
... congestion avoidance is performed (window increases only by 1 every round-trip time) Fast recovery ensures that pipe does not become empty Window cut-down to 1 (and subsequent slowstart) performed only on time-out ...
ppt
... • Packets may be lost, corrupted, reordered • Never having to say you’re sorry… – Don’t reserve bandwidth and memory – Don’t do error detection and correction – Don’t remember from one packet to next ...
... • Packets may be lost, corrupted, reordered • Never having to say you’re sorry… – Don’t reserve bandwidth and memory – Don’t do error detection and correction – Don’t remember from one packet to next ...
CH 2 Packet Filtering
... from inside servers User could upload files in an attempt to fill a hard drive and crash a server Upload a Trojan Overwrite important server configuration files with ones that allow compromise of the server ...
... from inside servers User could upload files in an attempt to fill a hard drive and crash a server Upload a Trojan Overwrite important server configuration files with ones that allow compromise of the server ...
ch20
... To find the time-to-live field, we skip 8 bytes. The time-tolive field is the ninth byte, which is 01. This means the packet can travel only one hop. The protocol field is the next byte (02), which means that the upper-layer protocol is IGMP. ...
... To find the time-to-live field, we skip 8 bytes. The time-tolive field is the ninth byte, which is 01. This means the packet can travel only one hop. The protocol field is the next byte (02), which means that the upper-layer protocol is IGMP. ...
The Network Layer
... 1. Discover its neighbors, learn their network address. 2. Measure the delay or cost to each of its neighbors. 3. Construct a packet telling all it has just learned. 4. Send this packet to all other routers. 5. Compute the shortest path to every other router. ...
... 1. Discover its neighbors, learn their network address. 2. Measure the delay or cost to each of its neighbors. 3. Construct a packet telling all it has just learned. 4. Send this packet to all other routers. 5. Compute the shortest path to every other router. ...
2014Fa-CS61C-L38-dg-IO-Network - EECS: www
... In response to the high ––––––––––––––– cost of cellular data plans, and the near-ubiquity of WiFi availability (at home, work, campus, other places), some are dropping their cell plans, and making use of Google Voice, Skype, a FreedomPop hotspot, and a tablet for calls & texts. www.informationweek. ...
... In response to the high ––––––––––––––– cost of cellular data plans, and the near-ubiquity of WiFi availability (at home, work, campus, other places), some are dropping their cell plans, and making use of Google Voice, Skype, a FreedomPop hotspot, and a tablet for calls & texts. www.informationweek. ...
PPT
... data-link layer has responsibility of transferring datagram from one node to adjacent node over a link CPSC 441: Link Layer ...
... data-link layer has responsibility of transferring datagram from one node to adjacent node over a link CPSC 441: Link Layer ...