Network Address Translation
... The number of hosts communicating is generally limited by the number of NAT IPs available Dynamic NAT is more complex than static NAT, since we must keep track of communicating hosts and possibly even of connections which requires looking at TCP information in packets. ...
... The number of hosts communicating is generally limited by the number of NAT IPs available Dynamic NAT is more complex than static NAT, since we must keep track of communicating hosts and possibly even of connections which requires looking at TCP information in packets. ...
Chapter
... • MAC (media access control) address is a unique 48-bit hexadecimal number hard-coded on the card by the manufacturer • Also known as hardware address, physical address, adapter address, or Ethernet address • Only used on local netowrks. ...
... • MAC (media access control) address is a unique 48-bit hexadecimal number hard-coded on the card by the manufacturer • Also known as hardware address, physical address, adapter address, or Ethernet address • Only used on local netowrks. ...
Firewalls and VPN
... Data within IP packet is encrypted, but header information is not Allows user to establish secure link directly with remote host, encrypting only data contents of packet Two popular uses: End-to-end transport of encrypted data Remote access worker connects to office network over Internet by con ...
... Data within IP packet is encrypted, but header information is not Allows user to establish secure link directly with remote host, encrypting only data contents of packet Two popular uses: End-to-end transport of encrypted data Remote access worker connects to office network over Internet by con ...
SEMESTER 1 MODULE 1
... – If the destination host is in the same network, – the packet is delivered between the two hosts on the local media without the need for a router. – If communication is between hosts in different networks, – The local network delivers the packet from the source to its gateway router. – The router e ...
... – If the destination host is in the same network, – the packet is delivered between the two hosts on the local media without the need for a router. – If communication is between hosts in different networks, – The local network delivers the packet from the source to its gateway router. – The router e ...
The PCI bus debuted over a decade ago at 33MHz, with a 32
... scenario is all too prevalent in datacenters and server farms to mention a few. Today, these access mechanisms are implemented via local area network (LAN) with technologies such as InfiniBand, 10 Gigabit Ethernet, Fibre Channel and the like. Another point to note, the phenomenal rate of deployment ...
... scenario is all too prevalent in datacenters and server farms to mention a few. Today, these access mechanisms are implemented via local area network (LAN) with technologies such as InfiniBand, 10 Gigabit Ethernet, Fibre Channel and the like. Another point to note, the phenomenal rate of deployment ...
port
... Each LAN interfaces as an address known as the mac address. Mac stands for media access control. There are 8 byte addresses. Each device has a unique address. These are not addresses as used on the Internet. LAN addresses have to be mapped to Internet addresses. ...
... Each LAN interfaces as an address known as the mac address. Mac stands for media access control. There are 8 byte addresses. Each device has a unique address. These are not addresses as used on the Internet. LAN addresses have to be mapped to Internet addresses. ...
networking - VCE IT Lecture Notes by Mark Kelly
... Note – several complex issues have been grossly simplified in this presentation. For example, detailed differences between switches and routers at the transport level are not necessary in any VCE course and will only serve to frighten sensitive souls. ...
... Note – several complex issues have been grossly simplified in this presentation. For example, detailed differences between switches and routers at the transport level are not necessary in any VCE course and will only serve to frighten sensitive souls. ...
IT 605 - IIT Bombay
... – Accepts a serial stream of bits as input and produces a modulated carrier as output (or vice versa) ...
... – Accepts a serial stream of bits as input and produces a modulated carrier as output (or vice versa) ...
Lecture 2 Protocol Layers
... control and error control can be done either: between endpoints of the communication -orbetween every 2 nodes on the path between the ...
... control and error control can be done either: between endpoints of the communication -orbetween every 2 nodes on the path between the ...
DNS and ARP
... 2. In CSMA/CD network there are two computers A and B which collide in round 1. Give the table of possible outcomes of the second round and their probabilities. Assume that the initial delay period after the collision is D=1 (the hosts pick a random number between 0 and D before trying to re-transmi ...
... 2. In CSMA/CD network there are two computers A and B which collide in round 1. Give the table of possible outcomes of the second round and their probabilities. Assume that the initial delay period after the collision is D=1 (the hosts pick a random number between 0 and D before trying to re-transmi ...
Protocols and Quality of Service
... Use of techniques that mitigate the problem e.g. multicasting for broadcasts Use of Protocols that can deliver guaranteed capacity (and QoS). Use of Resource broker architectures that dynamically allocate resources ...
... Use of techniques that mitigate the problem e.g. multicasting for broadcasts Use of Protocols that can deliver guaranteed capacity (and QoS). Use of Resource broker architectures that dynamically allocate resources ...
Square D® Model 6 Motor Control Centers
... Ethernet in Model 6 Low Voltage MCC Ethernet (Modbus TCP) is simply Modbus protocol over Ethernet utilizing TCP/IP. Modbus TCP benefits by combining an open communication standard, over the most common physical network and universal network standard. The architecture of Modbus TCP simplifies commun ...
... Ethernet in Model 6 Low Voltage MCC Ethernet (Modbus TCP) is simply Modbus protocol over Ethernet utilizing TCP/IP. Modbus TCP benefits by combining an open communication standard, over the most common physical network and universal network standard. The architecture of Modbus TCP simplifies commun ...
Network security
... users cannot be trusted to correctly identify themselves a user could pretend to be another user a user may alter the network address of their computer so that requests appear to be coming from a different computer a user may eavesdrop on exchanges and attempt attacks to gain unauthorized access ...
... users cannot be trusted to correctly identify themselves a user could pretend to be another user a user may alter the network address of their computer so that requests appear to be coming from a different computer a user may eavesdrop on exchanges and attempt attacks to gain unauthorized access ...
chapter 7 networks: communicating and sharing resources
... In circuit switching, the network creates a physical end-to-end circuit between the sending and receiving computers. Circuit switching works best when it is essential to avoid delivery delays. In a circuit-switching network, high-speed electronic switches handle the job of establishing and maintaini ...
... In circuit switching, the network creates a physical end-to-end circuit between the sending and receiving computers. Circuit switching works best when it is essential to avoid delivery delays. In a circuit-switching network, high-speed electronic switches handle the job of establishing and maintaini ...
IP20 Ethernet Switches and Media Converter
... and Media Converter For industrial and harsh commercial environments where the need for IP 67 connectivity is not required, Ethernet switching components can be housed in a protective controls enclosure. However, the vibration and temperature operating ranges offered by standard datacoms switches an ...
... and Media Converter For industrial and harsh commercial environments where the need for IP 67 connectivity is not required, Ethernet switching components can be housed in a protective controls enclosure. However, the vibration and temperature operating ranges offered by standard datacoms switches an ...
Network
... the computer when a DHCP server is not available. • Default Gateway – The IP address of the Layer 3 device, such as a router, that is directly connected to its immediate network and acts as a doorway or director to other remote networks. ...
... the computer when a DHCP server is not available. • Default Gateway – The IP address of the Layer 3 device, such as a router, that is directly connected to its immediate network and acts as a doorway or director to other remote networks. ...
Lecture3
... • Mobile host needs access to internal network • Gateway must provide user with access while barring intruders from accessing internal network • May also need to protect identity of mobile user • IP-address of mobile user changes ...
... • Mobile host needs access to internal network • Gateway must provide user with access while barring intruders from accessing internal network • May also need to protect identity of mobile user • IP-address of mobile user changes ...
ITI 510 - CJU.com - The Homepage Site of Chris Uriarte
... the local network. Most commonly, this is used to associated IP addresses (32-bits long) with Ethernet MAC addresses (48-bits long) • A host usually keeps a table, known as the ARP cache, which maintains a correlation between each MAC address and its corresponding IP address. • You can view a host’s ...
... the local network. Most commonly, this is used to associated IP addresses (32-bits long) with Ethernet MAC addresses (48-bits long) • A host usually keeps a table, known as the ARP cache, which maintains a correlation between each MAC address and its corresponding IP address. • You can view a host’s ...
the school board of broward county
... 3.1.4. Click the radio button to “Append these DNS suffixes (in order). 3.1.4.1. Click the “Add” button. 3.1.4.2. Input: broward.k12.fl.us 3.1.5. Click the WINS tab 3.1.5.1. Click the “Add” button. 3.1.5.2. Input the WINS address4 3.1.5.3. Click the “Add” button. 3.1.5.4. Input 10.251.192.90 as the ...
... 3.1.4. Click the radio button to “Append these DNS suffixes (in order). 3.1.4.1. Click the “Add” button. 3.1.4.2. Input: broward.k12.fl.us 3.1.5. Click the WINS tab 3.1.5.1. Click the “Add” button. 3.1.5.2. Input the WINS address4 3.1.5.3. Click the “Add” button. 3.1.5.4. Input 10.251.192.90 as the ...
TCP/IP Internetworking (Part 2)
... In this case network 192.168.x.x and network 60.x.x.x). An “x” indicates anything Corporate network 192.168.x.x ...
... In this case network 192.168.x.x and network 60.x.x.x). An “x” indicates anything Corporate network 192.168.x.x ...
layer
... procedures that were platform independent and open open systems - open architecture - readily available to all open system networking – network based on well known and standardized protocols – standards readily available – networking open systems using a network protocol ...
... procedures that were platform independent and open open systems - open architecture - readily available to all open system networking – network based on well known and standardized protocols – standards readily available – networking open systems using a network protocol ...
hardware addressing and frame type identification.
... •In contrast with wired LAN, not all participants may be able to reach each other •Low signal strength •Propagation blocked by walls, etc. •Can't depend on CD; not all participants may hear ...
... •In contrast with wired LAN, not all participants may be able to reach each other •Low signal strength •Propagation blocked by walls, etc. •Can't depend on CD; not all participants may hear ...