Introduction to network management
... variables in managed devices. When a particular performance threshold is exceeded, the NMS or the managed device detects the problem. If the managed device detects the problem, it generates an alert and sends it to the NMS. The NMS takes an appropriate action, such as alerting the network administra ...
... variables in managed devices. When a particular performance threshold is exceeded, the NMS or the managed device detects the problem. If the managed device detects the problem, it generates an alert and sends it to the NMS. The NMS takes an appropriate action, such as alerting the network administra ...
Lesson 1 Slides - Introdction
... client host requests, receives service from always-on server e.g. Web browser/server; email client/server ...
... client host requests, receives service from always-on server e.g. Web browser/server; email client/server ...
Business Data Communications and Networking
... followed; "The P Internet Protocol" (PIP), "The Simple Internet Protocol" (SIP) and "TP/IX". In the Spring of 1992 the "Simple CLNP" evolved into "TCP and UDP with Bigger Addresses" (TUBA) and "IP Encaps" evolved into "IP Address Encapsulation" (IPAE). By the fall of 1993, IPAE merged with SIP while ...
... followed; "The P Internet Protocol" (PIP), "The Simple Internet Protocol" (SIP) and "TP/IX". In the Spring of 1992 the "Simple CLNP" evolved into "TCP and UDP with Bigger Addresses" (TUBA) and "IP Encaps" evolved into "IP Address Encapsulation" (IPAE). By the fall of 1993, IPAE merged with SIP while ...
Transport layer
... DeMultiplexing: (at the receiving node) The process of delivering the received data segment to the correct application Example: Suppose that the following is running on the same computer: Downloading a web page while transferring data through FTP Two telnet sessions are also running Transport ...
... DeMultiplexing: (at the receiving node) The process of delivering the received data segment to the correct application Example: Suppose that the following is running on the same computer: Downloading a web page while transferring data through FTP Two telnet sessions are also running Transport ...
Bridges
... encoding/decoding of signals preamble generation/removal bit transmission/reception transmission medium and topology ...
... encoding/decoding of signals preamble generation/removal bit transmission/reception transmission medium and topology ...
Transport Layer
... DeMultiplexing: (at the receiving node) The process of delivering the received data segment to the correct application Example: Suppose that the following is running on the same computer: Downloading a web page while transferring data through FTP Two telnet sessions are also running Transport ...
... DeMultiplexing: (at the receiving node) The process of delivering the received data segment to the correct application Example: Suppose that the following is running on the same computer: Downloading a web page while transferring data through FTP Two telnet sessions are also running Transport ...
PPT Version
... • LSU flooding is by far the dominant contributor to overhead – can reliable flooding optimizations do better than 50% reduction? ...
... • LSU flooding is by far the dominant contributor to overhead – can reliable flooding optimizations do better than 50% reduction? ...
Part III Network Layer
... Detail of IP datagram Version Number- Four bit version number defines the version of IP Header length- Defines the total length of the datagram header Service type-How the datagram should be handelled Total length – Defines total length of IP datagram Identification,Flags and fragmentation offset- ...
... Detail of IP datagram Version Number- Four bit version number defines the version of IP Header length- Defines the total length of the datagram header Service type-How the datagram should be handelled Total length – Defines total length of IP datagram Identification,Flags and fragmentation offset- ...
Chapter 15 - William Stallings, Data and Computer
... encoding/decoding of signals preamble generation/removal bit transmission/reception transmission medium and topology ...
... encoding/decoding of signals preamble generation/removal bit transmission/reception transmission medium and topology ...
William Stallings, Cryptography and Network Security 5/e
... Each infected machine is provided with a portion of the list to scan This results in a very short scanning period, which may make it difficult to detect that infection is taking place ...
... Each infected machine is provided with a portion of the list to scan This results in a very short scanning period, which may make it difficult to detect that infection is taking place ...
An SNMP Agent for Active In-network Measurements
... module. It is captured and measured both at the source and the destination node, and the measurement results reflect the status of the network path, which the traffic traversed. Since the probe traffic imposes additional load in the network, and may interfere with user traffic, it is usually restric ...
... module. It is captured and measured both at the source and the destination node, and the measurement results reflect the status of the network path, which the traffic traversed. Since the probe traffic imposes additional load in the network, and may interfere with user traffic, it is usually restric ...
Token-Ring Networks
... – Special token frame circulates around the ring when no station is transmitting – When a station gets the token, it may transmit a frame – When a station finishes sending the frame, it releases the token ...
... – Special token frame circulates around the ring when no station is transmitting – When a station gets the token, it may transmit a frame – When a station finishes sending the frame, it releases the token ...
The OSI Model
... For a host to communicate with any other host Need a universal identification system ...
... For a host to communicate with any other host Need a universal identification system ...
Evaluating OSPF
... •R6 needs to believe that the path cost through R5 and R4 are the same. •Artificially increase the cost of the currently preferred link of R6, using IP ospf cost command, • Once the cost of the current preferred link is increased (made worse) and is made the same as the other path, equal cost load b ...
... •R6 needs to believe that the path cost through R5 and R4 are the same. •Artificially increase the cost of the currently preferred link of R6, using IP ospf cost command, • Once the cost of the current preferred link is increased (made worse) and is made the same as the other path, equal cost load b ...
Module 1: e-Learning 1 CHAPTER 2: INTRODUCTION TO
... A server is a supplier of services to clients Serves one or more clients Each client can be on different platform A program that carries out client requests Usually manages some unique resources such as: o RDBMS o Business Logic and Files ...
... A server is a supplier of services to clients Serves one or more clients Each client can be on different platform A program that carries out client requests Usually manages some unique resources such as: o RDBMS o Business Logic and Files ...
IP Forwarding
... Example 3 Router R1 in Figure 6.8 receives a packet with destination address 167.24.160.5. Show how the packet is forwarded. Solution The destination address in binary is 10100111 00011000 10100000 00000101. A copy of the address is shifted 28 bits to the right. The result is 00000000 00000000 0000 ...
... Example 3 Router R1 in Figure 6.8 receives a packet with destination address 167.24.160.5. Show how the packet is forwarded. Solution The destination address in binary is 10100111 00011000 10100000 00000101. A copy of the address is shifted 28 bits to the right. The result is 00000000 00000000 0000 ...
Optical Interconnects
... ◦ Coupler: passive device that is used to combine and split signals but can have multiple inputs and outputs. ◦ Arrayed-Waveguide Grating (AWG): AWGs are passive data-rate independent optical devices that route each wavelength of an input to a different output. They are used as demultiplexers to sep ...
... ◦ Coupler: passive device that is used to combine and split signals but can have multiple inputs and outputs. ◦ Arrayed-Waveguide Grating (AWG): AWGs are passive data-rate independent optical devices that route each wavelength of an input to a different output. They are used as demultiplexers to sep ...
WE01311391147
... With network coding, each node of the distribution network is able to generate and transmit encoded blocks of information. The randomization introduced by the coding process eases the scheduling of block propagation, and, thus, makes the distribution more efficient. This is particularly important in ...
... With network coding, each node of the distribution network is able to generate and transmit encoded blocks of information. The randomization introduced by the coding process eases the scheduling of block propagation, and, thus, makes the distribution more efficient. This is particularly important in ...
Mobile Communications
... wireless networks try to hide the fact that the network access has been changed or that a wireless link is more error prone than a wired one. Examples: Mobile IP tries to hide that fact of changing access points by redirecting packets but keeping the same IP address, and many protocols try to improv ...
... wireless networks try to hide the fact that the network access has been changed or that a wireless link is more error prone than a wired one. Examples: Mobile IP tries to hide that fact of changing access points by redirecting packets but keeping the same IP address, and many protocols try to improv ...
hit paydirt
... The equipment used was two laptops running the Linux operating system and the Kismet wireless network detector, sniffer, and intrusion detection system.1 Kismet is an open source program used by Google to collect information about residential wireless networks in the United States and more than two ...
... The equipment used was two laptops running the Linux operating system and the Kismet wireless network detector, sniffer, and intrusion detection system.1 Kismet is an open source program used by Google to collect information about residential wireless networks in the United States and more than two ...
ONF-Certified SDN Associate (SDNA-110)
... Credential Awarded: ONF Certified SDN Associate (CSDNA) upon successful completion of the exam. Exam Purpose: This certification exam attests and formally certifies that the successful candidate has vendor-neutral conceptual knowledge of the major domains of networking practices that support the the ...
... Credential Awarded: ONF Certified SDN Associate (CSDNA) upon successful completion of the exam. Exam Purpose: This certification exam attests and formally certifies that the successful candidate has vendor-neutral conceptual knowledge of the major domains of networking practices that support the the ...