ch 18
... connection and the values are entered for the tables of each switch. SVC : In a switched virtual-circuit connection, each time an endpoint wants to make a connection with another endpoint, a new virtual circuit must be established. ATM cannot do the job by itself, but needs the network layer address ...
... connection and the values are entered for the tables of each switch. SVC : In a switched virtual-circuit connection, each time an endpoint wants to make a connection with another endpoint, a new virtual circuit must be established. ATM cannot do the job by itself, but needs the network layer address ...
Network Fundamentals
... – Establish a point-to-point connection to ISP – Use PPTP (etc.) to establish an internet connection – Private link ...
... – Establish a point-to-point connection to ISP – Use PPTP (etc.) to establish an internet connection – Private link ...
Document
... the Internet To understand the levels of activity in network traffic flow To understand the basis for vulnerabilities To understand the basis for security tools and how they work ...
... the Internet To understand the levels of activity in network traffic flow To understand the basis for vulnerabilities To understand the basis for security tools and how they work ...
Chapter 9 Slides - Hafr Al-Batin Community College (HBCC)
... A cut-through switch provides reduced latency because it begins to forward the frame as soon as it reads the destination address and determines the outgoing interface. ...
... A cut-through switch provides reduced latency because it begins to forward the frame as soon as it reads the destination address and determines the outgoing interface. ...
Countering DoS Through Filtering
... • Source Independent Routing – Next hop forwarding in packet switched networks is not dependent on • a packet’s original source • the path that packet has taken before it arrives at a particular packet switch ...
... • Source Independent Routing – Next hop forwarding in packet switched networks is not dependent on • a packet’s original source • the path that packet has taken before it arrives at a particular packet switch ...
Module 1: Introduction to TCP/IP
... Adds traffic flow information to determine when the packet gets sent Adds error-handling information Sequencing and address information is added to the packet Adds error-checking information and prepares data for going on to the physical connection Packet sent as a bit stream ...
... Adds traffic flow information to determine when the packet gets sent Adds error-handling information Sequencing and address information is added to the packet Adds error-checking information and prepares data for going on to the physical connection Packet sent as a bit stream ...
ppt - The Fengs
... Application layer Transport layer Network layer – Network-layer functions – Specific network layer protocols (IPv4) • IP demux, IP security, IP fragmentation, IP addressing, etc. • IP routing – Who provides functionality? (Source-routing, virtual circuits, routers) – IP route lookups, Internet area ...
... Application layer Transport layer Network layer – Network-layer functions – Specific network layer protocols (IPv4) • IP demux, IP security, IP fragmentation, IP addressing, etc. • IP routing – Who provides functionality? (Source-routing, virtual circuits, routers) – IP route lookups, Internet area ...
Network Layer (3)
... • So, how to design lookup mechanism, such that I can find the node providing the service I need? • For simplicity, let’s use the same model as in our project – Each node may have some files, and the job is to find a node with the file I need. ...
... • So, how to design lookup mechanism, such that I can find the node providing the service I need? • For simplicity, let’s use the same model as in our project – Each node may have some files, and the job is to find a node with the file I need. ...
Overview/Questions Network Addresses Network Addresses
... Combine these ingredients to get the Internet (use only as directed; results may vary). ...
... Combine these ingredients to get the Internet (use only as directed; results may vary). ...
networking and internetworking
... • A seq. of packets may follow different routers • The Internet’s network layer (IP) • Ethernet and most local network technologies ...
... • A seq. of packets may follow different routers • The Internet’s network layer (IP) • Ethernet and most local network technologies ...
foils-4.1-to-4.4-1199
... • No connection set-up and tear-down, thus routers do not have to maintain any connection state information • Packets carry source and destination addresses and are switched in a router based on the destination address • packets may follow different end-to-end routes, and thus may arrive out of orde ...
... • No connection set-up and tear-down, thus routers do not have to maintain any connection state information • Packets carry source and destination addresses and are switched in a router based on the destination address • packets may follow different end-to-end routes, and thus may arrive out of orde ...
Cisco – Chapter 11 - YSU Computer Science & Information Systems
... • Combines advantages of link-state protocols and distance vector protocols ...
... • Combines advantages of link-state protocols and distance vector protocols ...
Marks for each part of each question are
... In the ATM case VCIs have two components: The virtual path identifier (VPI) identifies (usually) a path between two hosts. VPIs must be unique within the scope of links. The virtual channel identifier (VCI) acts as a submultiplexor identifying a particular activity on the VPI. VCIs must be unique w ...
... In the ATM case VCIs have two components: The virtual path identifier (VPI) identifies (usually) a path between two hosts. VPIs must be unique within the scope of links. The virtual channel identifier (VCI) acts as a submultiplexor identifying a particular activity on the VPI. VCIs must be unique w ...
Switching vs Routing Overview
... where you can mix various types of cards in the same router, it is possible that not all of the cards you are using support CEF. When a line card that does not support CEF receives a packet, the line card forwards the packet to the next higher switching layer (the route processor) or forwards the pa ...
... where you can mix various types of cards in the same router, it is possible that not all of the cards you are using support CEF. When a line card that does not support CEF receives a packet, the line card forwards the packet to the next higher switching layer (the route processor) or forwards the pa ...
SI202: Week 1
... know they are alive. This interval is called the Hello Interval. Question 3: Using the information in the captured Hello Packets, what is the Hello Interval for the router they were captured from? Verify the Hello Interval by observing the amount of time between two OSPF hello packets in your packet ...
... know they are alive. This interval is called the Hello Interval. Question 3: Using the information in the captured Hello Packets, what is the Hello Interval for the router they were captured from? Verify the Hello Interval by observing the amount of time between two OSPF hello packets in your packet ...
Evolution of Data Networks
... Workstation-Based • Aggregate bandwidth – 1/2 of the I/O bus bandwidth – capacity shared among all hosts connected to switch – example: 800Mbps bus can support 8 T3 ports • Packets-per-second – must be able to switch small packets – 100,000 packets-persecond is achievable – e.g., 64-byte packets im ...
... Workstation-Based • Aggregate bandwidth – 1/2 of the I/O bus bandwidth – capacity shared among all hosts connected to switch – example: 800Mbps bus can support 8 T3 ports • Packets-per-second – must be able to switch small packets – 100,000 packets-persecond is achievable – e.g., 64-byte packets im ...
of the packet
... – it requires no initial exchange of control information to establish an end-to-end connection before packets are forwarded – nor does it require additional fields in the PDU header to maintain this connection. ...
... – it requires no initial exchange of control information to establish an end-to-end connection before packets are forwarded – nor does it require additional fields in the PDU header to maintain this connection. ...
Chapter 1 Data Networks and the Internet
... Determined by the length of data / the transmission rate (in bps, Kbps, Gbps, etc.) of the sender. — Propagation delay: Time for one bit to travel from source to destination. Determined by the length of channel / the propagation speed of the medium. — Processing delay: Time required to process packe ...
... Determined by the length of data / the transmission rate (in bps, Kbps, Gbps, etc.) of the sender. — Propagation delay: Time for one bit to travel from source to destination. Determined by the length of channel / the propagation speed of the medium. — Processing delay: Time required to process packe ...
VoIP and Desktop Video Teleconferencing
... Introduction to Cisco Routers and Switches Willis Kim 8 October 2005 ...
... Introduction to Cisco Routers and Switches Willis Kim 8 October 2005 ...
intro-Routing240
... virtual circuit network: • each packet carries tag (virtual circuit ID), tag determines next hop • fixed path determined at call setup time, remains fixed thru call • routers maintain per-call state ...
... virtual circuit network: • each packet carries tag (virtual circuit ID), tag determines next hop • fixed path determined at call setup time, remains fixed thru call • routers maintain per-call state ...
physical
... • Control & old data planes need to be kept “online” • Solution: redirect routing messages through tunnels Physical router A ...
... • Control & old data planes need to be kept “online” • Solution: redirect routing messages through tunnels Physical router A ...