Business Data Communications 4e
... – Discusses the use of the technology defined in the core specifications to implement a particular usage model – General access profile specifies how the baseband architecture should be used between devices that implement one or multiple profiles – Other profiles fall into one of two categories: cab ...
... – Discusses the use of the technology defined in the core specifications to implement a particular usage model – General access profile specifies how the baseband architecture should be used between devices that implement one or multiple profiles – Other profiles fall into one of two categories: cab ...
ppt
... OSI Model: 7 Protocol Layers Physical -- how to transmit bits Data link -- how to transmit frames Network -- how to route packets Transport -- how to send packets reliably Session -- how to tie groups together Presentation -- byte ordering, security Application -- everything else! ...
... OSI Model: 7 Protocol Layers Physical -- how to transmit bits Data link -- how to transmit frames Network -- how to route packets Transport -- how to send packets reliably Session -- how to tie groups together Presentation -- byte ordering, security Application -- everything else! ...
Introduction - School of Engineering
... in which the line transmits only data from the two devices), or a shared channel (switched connections in which the line transmits multiplexed data from multiple sources). Furthermore, the latter can belong to a circuit switched (e.g. telephone system) or a packet switched (e.g. the Internet) networ ...
... in which the line transmits only data from the two devices), or a shared channel (switched connections in which the line transmits multiplexed data from multiple sources). Furthermore, the latter can belong to a circuit switched (e.g. telephone system) or a packet switched (e.g. the Internet) networ ...
William Stallings Data and Computer Communications
... Name server Sending process request to well known address ...
... Name server Sending process request to well known address ...
Chapter 17 - Networking Essentials
... Protocols at the Internetwork Layer • Address Resolution Protocol (cont.) – To avoid sending an ARP request every time an IP packet is sent, PCs and other devices store learned IP address/MAC address pairs in an ARP cache, which is a temporary location in RAM – If the destination computer is on ano ...
... Protocols at the Internetwork Layer • Address Resolution Protocol (cont.) – To avoid sending an ARP request every time an IP packet is sent, PCs and other devices store learned IP address/MAC address pairs in an ARP cache, which is a temporary location in RAM – If the destination computer is on ano ...
LECTURE 10
... AC power maybe a problem, power over Ethernet option delivers AC power over UTP (Unshielded Twisted Pair) Ethernet cable ...
... AC power maybe a problem, power over Ethernet option delivers AC power over UTP (Unshielded Twisted Pair) Ethernet cable ...
Multimedia Streaming
... • Cannot support traffic beyond link capacity – If total traffic exceeds capacity, you are out of luck – Degrade the service for all, or deny someone access ...
... • Cannot support traffic beyond link capacity – If total traffic exceeds capacity, you are out of luck – Degrade the service for all, or deny someone access ...
CSE3213 Computer Network I
... Network layer connection and connectionless service • datagram network provides network-layer connectionless service • VC network provides network-layer connection service • analogous to the transport-layer services, ...
... Network layer connection and connectionless service • datagram network provides network-layer connectionless service • VC network provides network-layer connection service • analogous to the transport-layer services, ...
Application, Transport, Network and Link Layers
... m encapsulate datagram into frame, adding header, trailer m implement channel access if shared medium, m ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! r Reliable delivery between two physically connected ...
... m encapsulate datagram into frame, adding header, trailer m implement channel access if shared medium, m ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! r Reliable delivery between two physically connected ...
lesson5
... The UDP Checksum field is computed using an algorithm based upon ones-complement addition of the 16-bit words in the entire UDP segment (its data and its header), along with an extra structure known as the UDP Pseudo-Header ...
... The UDP Checksum field is computed using an algorithm based upon ones-complement addition of the 16-bit words in the entire UDP segment (its data and its header), along with an extra structure known as the UDP Pseudo-Header ...
Aalborg Universitet 5G small cell optimized radio design
... data traffic and to take full advantage of the evolution of the technology components without any legacy burden [1]. The specifications of the Long Term Evolution - Advanced (LTE-A) standard, which is agreed to be the 4th generation (4G) mobile communication technology, were finalized back in 2010 [ ...
... data traffic and to take full advantage of the evolution of the technology components without any legacy burden [1]. The specifications of the Long Term Evolution - Advanced (LTE-A) standard, which is agreed to be the 4th generation (4G) mobile communication technology, were finalized back in 2010 [ ...
The Application Layer
... The layer boundaries should be chosen to minimize the information flow across the interfaces. The number of layers should be large enough that distinct function need not be thrown together in the same layer out of necessity. The number of layers should be small enough that the architecture doe ...
... The layer boundaries should be chosen to minimize the information flow across the interfaces. The number of layers should be large enough that distinct function need not be thrown together in the same layer out of necessity. The number of layers should be small enough that the architecture doe ...
The Infrastructure Technologies
... – corresponds to OSI Application and Presentation layers – protocols that directly support application programs – protocols such as telnet, FTP, SMTP, DNS, POP, and ...
... – corresponds to OSI Application and Presentation layers – protocols that directly support application programs – protocols such as telnet, FTP, SMTP, DNS, POP, and ...
LAN Transmission Equipment
... Switch receives the entire frame Switch examines frame for errors using the CRC Switch reads Dest. Address & determine Dest. port Frame is buffered until Dest. port is available Switch transmit frame out Dest. Port ...
... Switch receives the entire frame Switch examines frame for errors using the CRC Switch reads Dest. Address & determine Dest. port Frame is buffered until Dest. port is available Switch transmit frame out Dest. Port ...
fagu2004_seamonster - talus-and
... nature of the network is intended to flexibly accommodate and take advantage of appropriate spatial scale sizes and communication technologies. For example, monitoring soil chemistry or snow accumulation of a single watershed may require closely spaced sensors communicating over Blue Tooth links. Th ...
... nature of the network is intended to flexibly accommodate and take advantage of appropriate spatial scale sizes and communication technologies. For example, monitoring soil chemistry or snow accumulation of a single watershed may require closely spaced sensors communicating over Blue Tooth links. Th ...
Internet - Rose
... Protocol layering and data Each layer takes data from above adds header information to create new Protocol Data Unit (PDU) – may also break into smaller segments passes new data unit to layer below ...
... Protocol layering and data Each layer takes data from above adds header information to create new Protocol Data Unit (PDU) – may also break into smaller segments passes new data unit to layer below ...
The Internet in Perspective
... A Data Network • Switches Packets, not circuits • Each packet may be independently forwarded, delayed or dropped by each router • Each packet is independently switched to its addressed destination • There is no time synchronization between sender and receiver ...
... A Data Network • Switches Packets, not circuits • Each packet may be independently forwarded, delayed or dropped by each router • Each packet is independently switched to its addressed destination • There is no time synchronization between sender and receiver ...
Switching Networks - NYU Computer Science
... Each packet treated independently Packets can take any practical route Packets may arrive out of order Packets may go missing Up to receiver to re-order packets and recover from missing packets ...
... Each packet treated independently Packets can take any practical route Packets may arrive out of order Packets may go missing Up to receiver to re-order packets and recover from missing packets ...
Multimedia Streaming
... • Cannot support traffic beyond link capacity – If total traffic exceeds capacity, you are out of luck – Degrade the service for all, or deny someone access ...
... • Cannot support traffic beyond link capacity – If total traffic exceeds capacity, you are out of luck – Degrade the service for all, or deny someone access ...
Introduction and Overview - Assignment #1
... 4. Problem 4 – Segmentation: (a) Why was segmentation introduced in IPv4? Dividing of the datagram/packet into smaller fragments is referred to as “Segmentation”. It was introduced so that packets may be formed that can pass through a link with a smaller maximum transmission unit (MTU) than the ori ...
... 4. Problem 4 – Segmentation: (a) Why was segmentation introduced in IPv4? Dividing of the datagram/packet into smaller fragments is referred to as “Segmentation”. It was introduced so that packets may be formed that can pass through a link with a smaller maximum transmission unit (MTU) than the ori ...
LAN Transmission Equipment
... Receives frame at a port (Physical layer) De-encapsulates frame to read Dest. Address (Data Link layer) Uses Switching table to determine the destination port Î Transmit frame out destination port to destination station Î Î Î ...
... Receives frame at a port (Physical layer) De-encapsulates frame to read Dest. Address (Data Link layer) Uses Switching table to determine the destination port Î Transmit frame out destination port to destination station Î Î Î ...