
TNS07%20PPP
... With a serial connection (串列連線) , information is sent across one wire, one data bit at a time. In reality, it is often the case that serial links can be clocked considerably faster than parallel links, and they achieve a higher data rate. ...
... With a serial connection (串列連線) , information is sent across one wire, one data bit at a time. In reality, it is often the case that serial links can be clocked considerably faster than parallel links, and they achieve a higher data rate. ...
ECE 4400:427/527 - Computer Networks Spring 2012
... ARP query broadcast, received by router, which replies with ARP reply giving MAC address of router interface client now knows MAC address of first hop router, so can now send frame containing DNS query ...
... ARP query broadcast, received by router, which replies with ARP reply giving MAC address of router interface client now knows MAC address of first hop router, so can now send frame containing DNS query ...
Institutionen för systemteknik
... processor. The main objective of this project was to integrate these components into an IP router with two or more Gigabit Ethernet interfaces. A working system has been designed and found working. It consists of three main components, the input module, the output module and a packet buffer. Due to ...
... processor. The main objective of this project was to integrate these components into an IP router with two or more Gigabit Ethernet interfaces. A working system has been designed and found working. It consists of three main components, the input module, the output module and a packet buffer. Due to ...
APPENDIX A INTRODUCTION TO ATM NETWORKS
... integrated traffic consisting of voice, video and data [10,28]. ATM is a connection-oriented technology in the sense that before two systems on the network can communicate, they should inform all intermediate switches about their service requirements and traffic parameters. This is similar to the te ...
... integrated traffic consisting of voice, video and data [10,28]. ATM is a connection-oriented technology in the sense that before two systems on the network can communicate, they should inform all intermediate switches about their service requirements and traffic parameters. This is similar to the te ...
Introduction to MPLS
... The head router attaches the tunnel label (to reach the tail router) Routers in the middle forward as usual The tail router removes the tunnel label, finds the demultiplexing label, and identifies the VC The tail router modifies the VCID to the next ATM switch value (202) and sends it to the ATM swi ...
... The head router attaches the tunnel label (to reach the tail router) Routers in the middle forward as usual The tail router removes the tunnel label, finds the demultiplexing label, and identifies the VC The tail router modifies the VCID to the next ATM switch value (202) and sends it to the ATM swi ...
3rd Edition, Chapter 5
... that travels from A to B, specifying B as the destination. Each router along the path must make a routing decision based on B’s address This is the identical problem in IP In addition to simply forwarding the call setup packet, the goal is to assign the call a small identifier, which we now call the ...
... that travels from A to B, specifying B as the destination. Each router along the path must make a routing decision based on B’s address This is the identical problem in IP In addition to simply forwarding the call setup packet, the goal is to assign the call a small identifier, which we now call the ...
lect22 - Computer and Information Sciences
... cheap $20 for 10/100Mbps! first widely used LAN technology Simpler, cheaper than token LANs and ATM Kept up with speed race: 10, 100, 1000 Mbps ...
... cheap $20 for 10/100Mbps! first widely used LAN technology Simpler, cheaper than token LANs and ATM Kept up with speed race: 10, 100, 1000 Mbps ...
IP address - Andrew.cmu.edu
... At this level reliability and adaptation are performed, such as detection of failures and automatic recovery. ...
... At this level reliability and adaptation are performed, such as detection of failures and automatic recovery. ...
Chapter 2 Protocol Architecture - Department of Computer Science
... — Ethernet has many physical layer protocols: one for twisted-pair copper wire, another one for coaxial cable, some others for optical fiber, and so on. — IEEE 802.11b, 802.11a, 802.11g are different physical protocols for Wireless LAN, each with different transmission capabilities. ...
... — Ethernet has many physical layer protocols: one for twisted-pair copper wire, another one for coaxial cable, some others for optical fiber, and so on. — IEEE 802.11b, 802.11a, 802.11g are different physical protocols for Wireless LAN, each with different transmission capabilities. ...
ULAF+ Overview 2008 EIP version 2
... user to increase the capacity by parallel connection of several links between two end points. The connection remains available in case one of the physical link fails. ...
... user to increase the capacity by parallel connection of several links between two end points. The connection remains available in case one of the physical link fails. ...
Solution
... A datagram can travel through different networks. Each router decapsulates the IP datagram from the frame it receives, processes it, and then encapsulates it in another frame. The format and size of the received frame depend on the protocol used by the physical network through which the frame has ju ...
... A datagram can travel through different networks. Each router decapsulates the IP datagram from the frame it receives, processes it, and then encapsulates it in another frame. The format and size of the received frame depend on the protocol used by the physical network through which the frame has ju ...
A performance analysis modeling of a QoS
... stochastic variables RTi with mean rti. Once there is a packet in the output buffer of the j th interface (j = 1, · · · , n), the transmitter of that interface picks the packet from the output buffer and transmits it. The times for transmitters to do this are independent, identically distributed sto ...
... stochastic variables RTi with mean rti. Once there is a packet in the output buffer of the j th interface (j = 1, · · · , n), the transmitter of that interface picks the packet from the output buffer and transmits it. The times for transmitters to do this are independent, identically distributed sto ...
TSIN02 Internetworking
... households. Instead you plan to set up a network layer multicast service. To better understand the problem, you model the distribution network as a tree, where each node is connecting to 2 nodes at each level, and where there are 28 levels. The households are all on level 28, and all nodes on this l ...
... households. Instead you plan to set up a network layer multicast service. To better understand the problem, you model the distribution network as a tree, where each node is connecting to 2 nodes at each level, and where there are 28 levels. The households are all on level 28, and all nodes on this l ...
Routing
... – Cost of group formation with these schemes: join/prune information store per source per group per interface in each router. – Both suffer from scaling problems.Building trees installs state in the routers. It is easy to observe that both do not scale well when a relatively small proportion (sparse ...
... – Cost of group formation with these schemes: join/prune information store per source per group per interface in each router. – Both suffer from scaling problems.Building trees installs state in the routers. It is easy to observe that both do not scale well when a relatively small proportion (sparse ...
A Hardware Independent Real-time Ethernet for Motion Control
... of the hardware [12]. Dedicated Network Interface Card (NIC) or real-time OS are mandatory for the master node in time critical applications. For example, PROFINET IRT is achieved with a special switch ASIC (see [12]); dedicated NICs are mandatory for SERCOS III and Ethernet Powerlink’s master/manag ...
... of the hardware [12]. Dedicated Network Interface Card (NIC) or real-time OS are mandatory for the master node in time critical applications. For example, PROFINET IRT is achieved with a special switch ASIC (see [12]); dedicated NICs are mandatory for SERCOS III and Ethernet Powerlink’s master/manag ...
Downloading topology
... Each partitioned entity possesses belongs_to attribute that indicates its attachment. Currently cNIS supports partitioning on a user group's level. Using the dedicated application (cABS) it is possible to retrieve the whole partitioned network topology, but DAO supports retrieving single types of pa ...
... Each partitioned entity possesses belongs_to attribute that indicates its attachment. Currently cNIS supports partitioning on a user group's level. Using the dedicated application (cABS) it is possible to retrieve the whole partitioned network topology, but DAO supports retrieving single types of pa ...
ATM
... Broadband-Integrated Service Digital Network (BISDN): A standard for transmitting voice, video and data at the same time over fiber optic telephone lines The goal of B-ISDN is to accommodate all existing services along with those that will come in the future. The services that BISDN will support inc ...
... Broadband-Integrated Service Digital Network (BISDN): A standard for transmitting voice, video and data at the same time over fiber optic telephone lines The goal of B-ISDN is to accommodate all existing services along with those that will come in the future. The services that BISDN will support inc ...
Introduction to Routing
... OSI & TCP/IP. In this course we are mainly interested in one particular layer – the network layer, which is also divided into two approaches: ...
... OSI & TCP/IP. In this course we are mainly interested in one particular layer – the network layer, which is also divided into two approaches: ...
Lecture_5_Routing Protocols
... The routing table is shared with the neighbor router(s) Can not be used in large networks The size of the N/W, in each direction, can not exceed 15 hops Examples are RIP and IGRP ...
... The routing table is shared with the neighbor router(s) Can not be used in large networks The size of the N/W, in each direction, can not exceed 15 hops Examples are RIP and IGRP ...
modeling lane dynamics
... performs its address resolution function. Each LEC maintains a mapping (ARP cache) of known MAC addresses to ATM addresses. However, this mapping might not be exhaustive and furthermore is purged periodically. When a frame is received with an unknown MAC/ATM address, the LEC sends an address resolut ...
... performs its address resolution function. Each LEC maintains a mapping (ARP cache) of known MAC addresses to ATM addresses. However, this mapping might not be exhaustive and furthermore is purged periodically. When a frame is received with an unknown MAC/ATM address, the LEC sends an address resolut ...
Link Layer
... call setup, teardown for each call before data can flow each packet carries VC identifier (not destination ID) every switch on source-dest path maintain “state” for each ...
... call setup, teardown for each call before data can flow each packet carries VC identifier (not destination ID) every switch on source-dest path maintain “state” for each ...
Unit 3- Mobile Network layer
... Multicasting: if a MN is to participate in a multicast group, it needs to use a reverse tunnel to maintain its association with the home network. TTL: a MN might have a TTL that is suitable for communication when it is in its HM. This TTL may not be sufficient when moving around (longer routes p ...
... Multicasting: if a MN is to participate in a multicast group, it needs to use a reverse tunnel to maintain its association with the home network. TTL: a MN might have a TTL that is suitable for communication when it is in its HM. This TTL may not be sufficient when moving around (longer routes p ...
EX6200 Line of Ethernet Switches
... whether access should be granted and for how long. If access is granted, the switch assigns the user to a specific VLAN based on authorization levels. The switch can also apply QoS policies or mirror user traffic to a central location for logging, monitoring, or threat detection by intrusion prevent ...
... whether access should be granted and for how long. If access is granted, the switch assigns the user to a specific VLAN based on authorization levels. The switch can also apply QoS policies or mirror user traffic to a central location for logging, monitoring, or threat detection by intrusion prevent ...
Packet Reading for Network Emulation
... known as a MAC, or link layer, or physical address), conventionally written in hex with the bytes separated by colons, e.g., 00:AA:C4:45:12:10. When a host or router needs to send an IP packet to another host on the same network it needs to determine the Ethernet address of the destination so the in ...
... known as a MAC, or link layer, or physical address), conventionally written in hex with the bytes separated by colons, e.g., 00:AA:C4:45:12:10. When a host or router needs to send an IP packet to another host on the same network it needs to determine the Ethernet address of the destination so the in ...
Layer 2 Fundamentals
... • Early 1970s: At the University of Hawaii a system called Alohanet was developed to control access of various stations. This work formed the basis for the Ethernet access method known as CSMA/CD. • 1980: First Ethernet standard; published by Digital Equipment Company, Intel, and Xerox (DIX); open s ...
... • Early 1970s: At the University of Hawaii a system called Alohanet was developed to control access of various stations. This work formed the basis for the Ethernet access method known as CSMA/CD. • 1980: First Ethernet standard; published by Digital Equipment Company, Intel, and Xerox (DIX); open s ...