CSCI6268L20
... Local Routing Table • Our local routing table (on host of user1) is not going to have a route to IP of user2 – Routing table will therefore send our packet to the gateway – Gateway is the machine/router on the “edge” of the network responsible for processing all incoming/outgoing traffic from/to th ...
... Local Routing Table • Our local routing table (on host of user1) is not going to have a route to IP of user2 – Routing table will therefore send our packet to the gateway – Gateway is the machine/router on the “edge” of the network responsible for processing all incoming/outgoing traffic from/to th ...
Document
... • MPLS makes use of FECs • MPLS nodes assign a label to each FEC • Packet classification (into a FEC) is done where the packet enters the MPLS network • No sub-sequent packet classification in the MPLS network ...
... • MPLS makes use of FECs • MPLS nodes assign a label to each FEC • Packet classification (into a FEC) is done where the packet enters the MPLS network • No sub-sequent packet classification in the MPLS network ...
Providing Guaranteed Services without Per Flow Management
... Egress router removes state from packet’s header ...
... Egress router removes state from packet’s header ...
Part I: Introduction
... each end-end data stream divided into packets user A, B packets share network resources each packet uses full link bandwidth ...
... each end-end data stream divided into packets user A, B packets share network resources each packet uses full link bandwidth ...
Ch. 8 Circuit Switching
... • Specialized software is run on a computer that turns it into a smart phone switch (Fig.10.10). – Performs traditional circuit-switching functions. – Can convert a stream of digitized voice into packets (VoIP). ...
... • Specialized software is run on a computer that turns it into a smart phone switch (Fig.10.10). – Performs traditional circuit-switching functions. – Can convert a stream of digitized voice into packets (VoIP). ...
Cisco Systems Networking Academy S2 C 11
... • As frames are received, the data link layer header is removed and discarded and the network layer frame is sent to the appropriate network layer process • Network protocol header is examined to determine destination of packet • Packet is then passed back to data link layer where it is encapsulated ...
... • As frames are received, the data link layer header is removed and discarded and the network layer frame is sent to the appropriate network layer process • Network protocol header is examined to determine destination of packet • Packet is then passed back to data link layer where it is encapsulated ...
Link Layer - Southern Adventist University
... right – different service models, addressing, routing from Internet ...
... right – different service models, addressing, routing from Internet ...
ppt
... • When new packets arrive, new state is created and a byte counter is initialized along with a time-to-live field that is decremented/incremented ...
... • When new packets arrive, new state is created and a byte counter is initialized along with a time-to-live field that is decremented/incremented ...
Congestion Control
... VC numbers, one number for each link along path entries in forwarding tables in ...
... VC numbers, one number for each link along path entries in forwarding tables in ...
Middleboxes
and
Tunneling
Reading:
Sect
8.5,
9.4.1,
4.5
COS
461:
Computer
Networks
Spring
2011
... – Packets forwarded based only on circuit idenGfier Source 1 Destination Source 2 ...
... – Packets forwarded based only on circuit idenGfier Source 1 Destination Source 2 ...
PPT - TIME.mk
... Link State Routing Each router must do the following: A. Discover its neighbors, learn their network address. B. Measure the delay or cost to each of its neighbors. C. Construct a packet telling all it has just learned. D. Send this packet to all other routers. E. Compute the shortest path to every ...
... Link State Routing Each router must do the following: A. Discover its neighbors, learn their network address. B. Measure the delay or cost to each of its neighbors. C. Construct a packet telling all it has just learned. D. Send this packet to all other routers. E. Compute the shortest path to every ...
Wireless Communications and Networks
... Circuits provided by a common carrier Consists of interconnected switching nodes ...
... Circuits provided by a common carrier Consists of interconnected switching nodes ...
CS412 Introduction to Computer Networking & Telecommunication
... Weighting function changed for different criteria ...
... Weighting function changed for different criteria ...
Advanced Networks Course Topics
... "an integrated digital network in which the same digital switches and digital paths are used to establish connections for different services; for example, telephony and data.” ...
... "an integrated digital network in which the same digital switches and digital paths are used to establish connections for different services; for example, telephony and data.” ...
William Stallings Data and Computer Communications
... IS used to connect two LANs using similar LAN protocols Address filter passing on packets to the required network only OSI layer 2 (Data Link) ...
... IS used to connect two LANs using similar LAN protocols Address filter passing on packets to the required network only OSI layer 2 (Data Link) ...
Week 5 Link Layer & Local Area Networking
... Frame relay was designed to make more efficient use of existing physical resources, thereby allowing the over-provisioning of data services to telco customers, as most clients are unlikely to be utilizing a data service 100 percent of the time. Frame relay has acquired a bad reputation in some mar ...
... Frame relay was designed to make more efficient use of existing physical resources, thereby allowing the over-provisioning of data services to telco customers, as most clients are unlikely to be utilizing a data service 100 percent of the time. Frame relay has acquired a bad reputation in some mar ...
Wide Area Network
... Digital subscriber line is a technology used by traditional telephone companies to deliver advanced services (high-speed data and sometimes video) over twisted-pair copper telephone wires. ...
... Digital subscriber line is a technology used by traditional telephone companies to deliver advanced services (high-speed data and sometimes video) over twisted-pair copper telephone wires. ...
IP Forwarding and ICMP
... Connectionless: Each packet (“datagram”) is handled independently. IP is not aware that packets between hosts may be sent in a logical sequence Best effort: IP does not make guarantees on the service (no throughput guarantee, no delay guarantee,…) ...
... Connectionless: Each packet (“datagram”) is handled independently. IP is not aware that packets between hosts may be sent in a logical sequence Best effort: IP does not make guarantees on the service (no throughput guarantee, no delay guarantee,…) ...
Document
... • A list of groups of nodes along the explicit route (generically called "source route") • Thinking: source routing is better for calls than hop-by-hop routing as it can take into account loading conditions • Constrained shortest path first (CSPF) algorithm executed at the first node to compute end- ...
... • A list of groups of nodes along the explicit route (generically called "source route") • Thinking: source routing is better for calls than hop-by-hop routing as it can take into account loading conditions • Constrained shortest path first (CSPF) algorithm executed at the first node to compute end- ...
8-2_diffserv07
... – Set Diff- Service Code Point (DSCP) in Diffserv (DS) field • Core routers – Implement Per Hop Behavior (PHB) for each DSCP – Process packets based on DSCP DS-2 ...
... – Set Diff- Service Code Point (DSCP) in Diffserv (DS) field • Core routers – Implement Per Hop Behavior (PHB) for each DSCP – Process packets based on DSCP DS-2 ...
Link Layer
... • Delivery: When you broadcast a packet, how does a receiver know who it is for? (packet goes to everyone!) – Put header on front of packet: [ Destination | Packet ] – Everyone gets packet, discards if not the target – In Ethernet, this check is done in hardware • No OS interrupt if not for particul ...
... • Delivery: When you broadcast a packet, how does a receiver know who it is for? (packet goes to everyone!) – Put header on front of packet: [ Destination | Packet ] – Everyone gets packet, discards if not the target – In Ethernet, this check is done in hardware • No OS interrupt if not for particul ...