Slide 1
... • Improved access when a base station and user are not in line of sight • Security is based on AES and EAP ...
... • Improved access when a base station and user are not in line of sight • Security is based on AES and EAP ...
Lecture #15: Network layer
... call setup, teardown for each call before data can flow each packet carries VC identifier not destination host address every router on source-dest path maintains “state” for ...
... call setup, teardown for each call before data can flow each packet carries VC identifier not destination host address every router on source-dest path maintains “state” for ...
View
... Service-point addressing: source-to-destination delivery means delivery not only from one computer to the next but also from a specific running program to specific running program. The transport layer header must therefore include a type of address called a service-point address (or port address). T ...
... Service-point addressing: source-to-destination delivery means delivery not only from one computer to the next but also from a specific running program to specific running program. The transport layer header must therefore include a type of address called a service-point address (or port address). T ...
Chapter 13 slides
... • Functionality of transport layer – Support arbitrary message size at the application level – Support in-order delivery of messages – Shield the application from loss of messages – Shield the application from bit errors in ...
... • Functionality of transport layer – Support arbitrary message size at the application level – Support in-order delivery of messages – Shield the application from loss of messages – Shield the application from bit errors in ...
1-ITN-chap-4g
... No affect on logical topology. The logical connection (in some cases) may be a virtual circuit. A virtual circuit is a logical connection created within a network between two network devices. The two nodes exchange the frames with each other. Data Link Destination address is the device at ...
... No affect on logical topology. The logical connection (in some cases) may be a virtual circuit. A virtual circuit is a logical connection created within a network between two network devices. The two nodes exchange the frames with each other. Data Link Destination address is the device at ...
Week 6
... to the physical layer by adding mechanism to detect and retransmit damage or lost frames and prevent duplication of frames. • Access control: When two or more devices are connected to the same link, data link layer protocols are necessary to determine which device has control over the link at any gi ...
... to the physical layer by adding mechanism to detect and retransmit damage or lost frames and prevent duplication of frames. • Access control: When two or more devices are connected to the same link, data link layer protocols are necessary to determine which device has control over the link at any gi ...
GLOBAL International Educational Organization Computer Networks
... They are 48 binary bits in length. They are considered physical addresses. They are generally represented in hexadecimal format. They consist of four eight-bit octets of binary numbers. They are used to determine the data path through the network. They must be changed when an Ethernet device is adde ...
... They are 48 binary bits in length. They are considered physical addresses. They are generally represented in hexadecimal format. They consist of four eight-bit octets of binary numbers. They are used to determine the data path through the network. They must be changed when an Ethernet device is adde ...
Packet Tracer – Map a Network Using CDP
... the branch office network. You must record all of the network device names, IP addresses and subnet masks, and physical interfaces interconnecting the network devices, as well as the name of the switch that does not have an IP address. To map the network, you will use SSH for remote access and the C ...
... the branch office network. You must record all of the network device names, IP addresses and subnet masks, and physical interfaces interconnecting the network devices, as well as the name of the switch that does not have an IP address. To map the network, you will use SSH for remote access and the C ...
Lecture 13
... The Internet Protocol Suite (commonly known as TCP/IP) is the set of communications protocols used for the Internet and other similar networks. Transmission Control Protocol (TCP) and the Internet Protocol (IP) The Internet Protocol Suite may be viewed as a set of layers. Each layer solves a set of ...
... The Internet Protocol Suite (commonly known as TCP/IP) is the set of communications protocols used for the Internet and other similar networks. Transmission Control Protocol (TCP) and the Internet Protocol (IP) The Internet Protocol Suite may be viewed as a set of layers. Each layer solves a set of ...
OSI
... Concept • OSI: Open Systems Interconnection. It was developed by ISO as a first step toward international standardization of the protocol used in various layers. It deals with connecting open system.. ...
... Concept • OSI: Open Systems Interconnection. It was developed by ISO as a first step toward international standardization of the protocol used in various layers. It deals with connecting open system.. ...
Chap 3 Layer 3 Protocol
... Indirect routing If the router cannot locate the mapped destination address and MAC address of the final target device, it locates the MAC address of another router, and forwards the data to that router ...
... Indirect routing If the router cannot locate the mapped destination address and MAC address of the final target device, it locates the MAC address of another router, and forwards the data to that router ...
Encapsulation Topics discussed in this section
... Stream Control Transmission Protocol (SCTP) Simple Network Management Protocol (SNMP) Internet Control Message Protocol (ICMP ) Internet Group Management Protocol (IGMP) Reverse Address Resolution Protocol (RARP) Address Resolution Protocol (ARP) ...
... Stream Control Transmission Protocol (SCTP) Simple Network Management Protocol (SNMP) Internet Control Message Protocol (ICMP ) Internet Group Management Protocol (IGMP) Reverse Address Resolution Protocol (RARP) Address Resolution Protocol (ARP) ...
Document
... protocol that replaces EGP. BGP exchanges reachability information with other BGP systems. BGP4, EGP bit rate Speed at which bits are transmitted, usually expressed in bits per second. ...
... protocol that replaces EGP. BGP exchanges reachability information with other BGP systems. BGP4, EGP bit rate Speed at which bits are transmitted, usually expressed in bits per second. ...
Link Layer - Instituto Tecnológico de Morelia
... Network (e.g. TokenRing, Ethernet) and Wide Area Network (e.g. FDDI, WiMax). • These standars are focused in DataLink Layer. The transmission medium can be wired o wireless. • Some standards are focused in define services in DataLink Layer such quality of service, security, among others. ...
... Network (e.g. TokenRing, Ethernet) and Wide Area Network (e.g. FDDI, WiMax). • These standars are focused in DataLink Layer. The transmission medium can be wired o wireless. • Some standards are focused in define services in DataLink Layer such quality of service, security, among others. ...
MAC Address - 6-byte sequence assigned to NIC by the
... • although essential elements of OSI model were in place quickly, final standard ...
... • although essential elements of OSI model were in place quickly, final standard ...
PowerPoint-05
... • Power management allows mobile devices to be off as much as possible to conserve battery life but not miss data transmissions • Mobile IP provides a mechanism within the TCP/IP protocol to support mobile computing ...
... • Power management allows mobile devices to be off as much as possible to conserve battery life but not miss data transmissions • Mobile IP provides a mechanism within the TCP/IP protocol to support mobile computing ...
UoD_CISCO Networking Academy
... Participants who complete the Connecting Networks course will be able to perform the following functions: ...
... Participants who complete the Connecting Networks course will be able to perform the following functions: ...
slides 2
... • Point-to-point network: a network in which every physical wire is connected to only two computers • Switch: a bridge that transforms a shared-bus configuration into a point-to-point network. • Router: a device that acts as a junction between two networks to transfer data packets among them. ...
... • Point-to-point network: a network in which every physical wire is connected to only two computers • Switch: a bridge that transforms a shared-bus configuration into a point-to-point network. • Router: a device that acts as a junction between two networks to transfer data packets among them. ...
PPT
... RIP routing tables managed by application-level process called route-d (daemon) advertisements sent in UDP packets, periodically repeated routed ...
... RIP routing tables managed by application-level process called route-d (daemon) advertisements sent in UDP packets, periodically repeated routed ...
Collision domains vs. broadcast domains.
... network media and are capable of transmitting data at any time. This can lead to data collisions. With CSMA/CD, a device listens to the carrier signal on the network media. If no other device is transmitting, the device is free to send data. If another device sends data at the same time, a collision ...
... network media and are capable of transmitting data at any time. This can lead to data collisions. With CSMA/CD, a device listens to the carrier signal on the network media. If no other device is transmitting, the device is free to send data. If another device sends data at the same time, a collision ...
Thursday, October 25th
... strict timing, reliability timing req. requirements “smart” end systems need for guaranteed (computers) service can adapt, perform “dumb” end systems control, error recovery telephones simple inside network, complexity inside complexity at “edge” network many link types different ...
... strict timing, reliability timing req. requirements “smart” end systems need for guaranteed (computers) service can adapt, perform “dumb” end systems control, error recovery telephones simple inside network, complexity inside complexity at “edge” network many link types different ...
