Basic Networking Hardware
... are relatively easy to install and manage, but bottlenecks can occur because all data must pass through the hub. This is not much of a problem anymore with the widespread deployment of switches. ring topology: All devices are connected to one another in the shape of a closed loop, so that each devic ...
... are relatively easy to install and manage, but bottlenecks can occur because all data must pass through the hub. This is not much of a problem anymore with the widespread deployment of switches. ring topology: All devices are connected to one another in the shape of a closed loop, so that each devic ...
Overlay/Underlay Interaction
... – Conventional computers act as logical routers – Real routers deliver packets to intermediate hosts – No need for cooperation from the real routers ...
... – Conventional computers act as logical routers – Real routers deliver packets to intermediate hosts – No need for cooperation from the real routers ...
slides - TNC15
... • It was a peer network of communicating equals not a hierarchical network connecting a mainframe master with terminal slaves. • The approach required coordinating distributed shared state at different scopes, which were treated as black boxes. This lead to the concept of layers being adopted from o ...
... • It was a peer network of communicating equals not a hierarchical network connecting a mainframe master with terminal slaves. • The approach required coordinating distributed shared state at different scopes, which were treated as black boxes. This lead to the concept of layers being adopted from o ...
Multiple Processor Systems
... – Each machine has its own virtual mem and page tables – When a page fault occurs, OS locates the page and requests it from the CPU holding it • Basically going to remote memory rather than disk. ...
... – Each machine has its own virtual mem and page tables – When a page fault occurs, OS locates the page and requests it from the CPU holding it • Basically going to remote memory rather than disk. ...
Wired communication standards solutions
... 13 True or false? TCP is a connection-oriented protocol that creates and verifies a connection with a remote host before sending information. True. UDP is connectionless. ...
... 13 True or false? TCP is a connection-oriented protocol that creates and verifies a connection with a remote host before sending information. True. UDP is connectionless. ...
Study Guide
... 22. The 16-bit binary number can be represented as a four-digit _____________ number. For example, 0010000100000010 in binary equals _____ in hex. The word hexadecimal is often abbreviated ___ when used with a value as shown with the above number: 0x2102. 23. A computer is referred to as the _____. ...
... 22. The 16-bit binary number can be represented as a four-digit _____________ number. For example, 0010000100000010 in binary equals _____ in hex. The word hexadecimal is often abbreviated ___ when used with a value as shown with the above number: 0x2102. 23. A computer is referred to as the _____. ...
Z - Aidan Hogan
... consistency (all nodes have the same up-to-date view), availability (every read/write is acted upon) and partitiontolerance (the system works even if messages are lost) at the same time. (“Proof” as shown on previous slide ) ...
... consistency (all nodes have the same up-to-date view), availability (every read/write is acted upon) and partitiontolerance (the system works even if messages are lost) at the same time. (“Proof” as shown on previous slide ) ...
LAN BASICS
... to manage network devices • For example, a manageable hub that support SNMP can be managed from a remote location using a SNMP based LAN management software ...
... to manage network devices • For example, a manageable hub that support SNMP can be managed from a remote location using a SNMP based LAN management software ...
Defense Techniques
... – barrier provides access control – helps with system monitoring and simplifies management such a barrier is called firewall ...
... – barrier provides access control – helps with system monitoring and simplifies management such a barrier is called firewall ...
TCPdump
... flags: S (SYN), F (FIN), P(PUSH), R(RST), . (no flags) Data-seqno: describes the portion of sequence space covered by the data in the packet Ack: sequence number of the next data Window: the number of byte of receive buffer space Urg: indicates there is “urgent” data in the packet Options: tcp optio ...
... flags: S (SYN), F (FIN), P(PUSH), R(RST), . (no flags) Data-seqno: describes the portion of sequence space covered by the data in the packet Ack: sequence number of the next data Window: the number of byte of receive buffer space Urg: indicates there is “urgent” data in the packet Options: tcp optio ...
Lecture 2 - Networking Devices
... 2. Ethernet supports networks built with twisted pair, thin and thick coaxial and fiber optic cabling. 3. Each device on an Ethernet network operates independently and equally, precluding the need for a central controlling device. 4. Ethernet supports a wide array of data types, including TCP/IP, ,a ...
... 2. Ethernet supports networks built with twisted pair, thin and thick coaxial and fiber optic cabling. 3. Each device on an Ethernet network operates independently and equally, precluding the need for a central controlling device. 4. Ethernet supports a wide array of data types, including TCP/IP, ,a ...
Accounting of a large TCP/IP network with SAS/CPEr software for open systems at Deutsche Telekom AG
... in all departments of the company after deregulation Responsibility of IT users (user groups) for usage of IT resources IT department became a financial service centre, all IT services should be accounted to cost centres. ...
... in all departments of the company after deregulation Responsibility of IT users (user groups) for usage of IT resources IT department became a financial service centre, all IT services should be accounted to cost centres. ...
A day in the life of an IEEE802.11 Station
... first AP must send the frame over the backbone Ethernet to the second AP so it can be delivered to its ultimate destination No standardized method for communication Major project in the IEEE802.11 working group the standardization of the IAPP ...
... first AP must send the frame over the backbone Ethernet to the second AP so it can be delivered to its ultimate destination No standardized method for communication Major project in the IEEE802.11 working group the standardization of the IAPP ...
AfriMeet: An Internet meeting tool designed for low bandwidth and
... ◦ coordinates current usage of shared resources ◦ provides access to continuous multimedia data streams ◦ enables coherency and organized meeting procedures ...
... ◦ coordinates current usage of shared resources ◦ provides access to continuous multimedia data streams ◦ enables coherency and organized meeting procedures ...
Routing
... carry only local traffic. eg- small cooperation. Multihomed AS: connected with more than one other AS. refuses to carry transit traffic. eg- large corporations. Transit AS: it has more connection and designed carry both transit and local traffic. (backbone) ...
... carry only local traffic. eg- small cooperation. Multihomed AS: connected with more than one other AS. refuses to carry transit traffic. eg- large corporations. Transit AS: it has more connection and designed carry both transit and local traffic. (backbone) ...
pptx - NOISE
... Internet (though not all of it). This is because Con Ed Communications, a competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions o ...
... Internet (though not all of it). This is because Con Ed Communications, a competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions o ...
High-Performance Data Transfer for Hybrid Optical
... Segments are buffered until acknowledged Congestion (sender) and flow control (receiver) “windows” Everyone obeys the same rules to promote stability, fairness, and ...
... Segments are buffered until acknowledged Congestion (sender) and flow control (receiver) “windows” Everyone obeys the same rules to promote stability, fairness, and ...
Admissible traffic load of real time class of service for inter
... Steps to calculate the admissible load when all the input parameters (Buffer, Ploss, d1, d2, percentage contribution of different types of traffic - w1, w2) are given: 1. Given Ploss and Buffer, determine the parameter z0 (Eq.12) 2. Create the equation (14) taking into account the number of traffic ...
... Steps to calculate the admissible load when all the input parameters (Buffer, Ploss, d1, d2, percentage contribution of different types of traffic - w1, w2) are given: 1. Given Ploss and Buffer, determine the parameter z0 (Eq.12) 2. Create the equation (14) taking into account the number of traffic ...
Establishing a common language
... Web services that provide common, compatible information among Partners and allow its easy integration, aggregation and access. – Use Query or Solicit Web services as the preferred approach when data publication is (or could be) the right model for Partner interactions; and – Description of this com ...
... Web services that provide common, compatible information among Partners and allow its easy integration, aggregation and access. – Use Query or Solicit Web services as the preferred approach when data publication is (or could be) the right model for Partner interactions; and – Description of this com ...
Optical Burst Switching.pdf
... Internet. A router is connected to two or more data lines from different networks. When data comes in on one of the lines, the router reads the address information in the packet to determine its ultimate destination. Then, using information in its routing table, it directs the packet to the next net ...
... Internet. A router is connected to two or more data lines from different networks. When data comes in on one of the lines, the router reads the address information in the packet to determine its ultimate destination. Then, using information in its routing table, it directs the packet to the next net ...
Cisco Router - SlidePapers
... As the name specify “The Router” exactly it works like that to find the next route. They route data from a LAN to an other Router, then another Router, and so on until data is received at its destination. Routers also act as traffic cops, allowing only authorized machines to transmit data into the l ...
... As the name specify “The Router” exactly it works like that to find the next route. They route data from a LAN to an other Router, then another Router, and so on until data is received at its destination. Routers also act as traffic cops, allowing only authorized machines to transmit data into the l ...