Internetworking, or IP and Networking Basics
... IP router - action for each packet Packet is received on one interface Check whether the destination address is the router itself Decrement TTL (time to live), and discard packet if it reaches zero Look up the destination IP address in the forwarding table Destination could be on a directly at ...
... IP router - action for each packet Packet is received on one interface Check whether the destination address is the router itself Decrement TTL (time to live), and discard packet if it reaches zero Look up the destination IP address in the forwarding table Destination could be on a directly at ...
ppt
... protocols needed for reliable data transfer, congestion control Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 6 of KuroseRoss) ...
... protocols needed for reliable data transfer, congestion control Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 6 of KuroseRoss) ...
UNIT 5. Instruction to Computer Networks
... Internet Protocol (IP协议) :One of the most important protocols Uses connectionless（无连接） delivery – it does not guarantee delivery ...
... Internet Protocol (IP协议) :One of the most important protocols Uses connectionless（无连接） delivery – it does not guarantee delivery ...
8 - 1
... – Breaking LAN frame into 48-byte long blocks and transmit them in an ATM cell – Called encapsulation and done by edge switches – Reassembling done at the destination edge switch and LAN frame is sent to the LAN – Requires translating of MAC addresses to VC Identifiers ...
... – Breaking LAN frame into 48-byte long blocks and transmit them in an ATM cell – Called encapsulation and done by edge switches – Reassembling done at the destination edge switch and LAN frame is sent to the LAN – Requires translating of MAC addresses to VC Identifiers ...
ppt - EECS: www-inst.eecs.berkeley.edu
... ‣ Data is sent as chunks of formatted bits (Packets) ‣ Packets consist of a “header” and “payload” ‣ Switches “forward” packets based on their headers ...
... ‣ Data is sent as chunks of formatted bits (Packets) ‣ Packets consist of a “header” and “payload” ‣ Switches “forward” packets based on their headers ...
HUANG LAYOUT - Systems and Computer Engineering
... (LSP). Multiple LSPs can be merged at a specific node if packets from these LSPs are forwarded in the same manner (e.g., over the same downstream path, with the same forwarding treatment). This is called label merging. In conventional forwarding, if it is desirable to force a packet to follow a part ...
... (LSP). Multiple LSPs can be merged at a specific node if packets from these LSPs are forwarded in the same manner (e.g., over the same downstream path, with the same forwarding treatment). This is called label merging. In conventional forwarding, if it is desirable to force a packet to follow a part ...
Lecture Notes - Computer Science & Engineering
... ISO – International Standard Organization OSI – Open System Interconnection Goal: a general open standard ...
... ISO – International Standard Organization OSI – Open System Interconnection Goal: a general open standard ...
WAN_Unit_2
... Fast packet technologies typically use advanced fiber-optic transport media, such as T3 and SONET. ...
... Fast packet technologies typically use advanced fiber-optic transport media, such as T3 and SONET. ...
lec 3 - handout3
... characterize the traffic it will send through the network • R-spec: defines the QoS being requested by receiver (e.g., rate r) • T-spec: defines the traffic characteristics of sender (e.g., leaky bucket with rate r and buffer size b). • A signaling protocol is needed to carry the R-spec and Tspec to ...
... characterize the traffic it will send through the network • R-spec: defines the QoS being requested by receiver (e.g., rate r) • T-spec: defines the traffic characteristics of sender (e.g., leaky bucket with rate r and buffer size b). • A signaling protocol is needed to carry the R-spec and Tspec to ...
Exam Paper Stationery - University of East Anglia
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
Digital forensics chapter 2
... Switches contain a “content addressable memory” (CAM) table, which stores mappings between physical ports and each network card’s MAC address. using mac address investigator determine switches and corresponding port. It also provide VLAN to capture traffic from the mirroring port with a ...
... Switches contain a “content addressable memory” (CAM) table, which stores mappings between physical ports and each network card’s MAC address. using mac address investigator determine switches and corresponding port. It also provide VLAN to capture traffic from the mirroring port with a ...
Homework Assignment #1 Solutions - EECS: www
... • Packets might take routes that are longer (less direct) than the shortest path. • Packets can be delayed due to queuing (waiting behind other packets for transmission). • Packet can travel along links for which the propogation speed is slower than that of light in a vacuum. • Packets will encounte ...
... • Packets might take routes that are longer (less direct) than the shortest path. • Packets can be delayed due to queuing (waiting behind other packets for transmission). • Packet can travel along links for which the propogation speed is slower than that of light in a vacuum. • Packets will encounte ...
Enabling Innovation inside the Network
... –Software bundled with hardware –Vendor-specific interfaces ...
... –Software bundled with hardware –Vendor-specific interfaces ...
20061206-fiveelements-snow
... Direct end-to-end Low latency & low jitter Predictable QoS Off-load Routers ...
... Direct end-to-end Low latency & low jitter Predictable QoS Off-load Routers ...
Ch 7 - Backbone
... When a packet needs to go from one switch to another • 16-byte VLAN tag inserted into the 802.3 packet by the sending switch When the IEEE 802.1q packet reaches its destination switch • Its header (VLAN tag) stripped off and Ethernet packet inside is sent to its destination computer ...
... When a packet needs to go from one switch to another • 16-byte VLAN tag inserted into the 802.3 packet by the sending switch When the IEEE 802.1q packet reaches its destination switch • Its header (VLAN tag) stripped off and Ethernet packet inside is sent to its destination computer ...
Network Layer Routing
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...
Presentation
... can't track propagation of a routing update across the Internet can't get router to give you all available routes, just best routes can't get precise one-way delay from two places on the Internet can't get an hour of packets from the core can't get accurate flow counts from the core can't get anythi ...
... can't track propagation of a routing update across the Internet can't get router to give you all available routes, just best routes can't get precise one-way delay from two places on the Internet can't get an hour of packets from the core can't get accurate flow counts from the core can't get anythi ...
Document
... maps and giving directions Forwarding = moving packets between interfaces according to the “directions” ...
... maps and giving directions Forwarding = moving packets between interfaces according to the “directions” ...
Network Layer
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...
Network Layer
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...
... 2. Each router constructs a link state packet (LSP) which consists of a list of names and cost to reach each of its neighbors. 3. The LSP is transmitted to ALL other routers. Each router stores the most recently generated LSP from each other router. 4. Each router uses complete information on the ne ...