IP addresses
... 2. No connection is opened with the node; the packet is simply sent to the node. 3. No acknowledgement is sent back to the original sender. • Since the original sender never knows if packet is received, sender never retransmits. • The receiver doesn’t know if it received all of the intended packets. ...
... 2. No connection is opened with the node; the packet is simply sent to the node. 3. No acknowledgement is sent back to the original sender. • Since the original sender never knows if packet is received, sender never retransmits. • The receiver doesn’t know if it received all of the intended packets. ...
2001 Midterm Solutions
... level. A and E understand IPv4 and Ipv6. But B, C, and D are legacy IPv4 routers. A wants to route a pack to E. On potential difficulty with the tunneling solution to the problem is that the host has to figure out that an IPv6 packet is encapsulated within the IPv4 packet. Give a reasonable solution ...
... level. A and E understand IPv4 and Ipv6. But B, C, and D are legacy IPv4 routers. A wants to route a pack to E. On potential difficulty with the tunneling solution to the problem is that the host has to figure out that an IPv6 packet is encapsulated within the IPv4 packet. Give a reasonable solution ...
VLANS Presentation
... substantially. One vendor’s bridge may provide the functions of a router. • Multiprotocol bridges - translate between different data link layer protocols. • Multiprotocol routers -can understand several different network layer protocols. • Protocol filtering bridges - multiprotocol bridges that forw ...
... substantially. One vendor’s bridge may provide the functions of a router. • Multiprotocol bridges - translate between different data link layer protocols. • Multiprotocol routers -can understand several different network layer protocols. • Protocol filtering bridges - multiprotocol bridges that forw ...
Network Layer - e-learning website
... • The network layer is responsible for the source-todestination (computer-to-computer or host-to-host) delivery of a packet, possibly across multiple networks (links). The network layer ensures that each packet gets from its point of origin to its final destination. • If two systems are connected to ...
... • The network layer is responsible for the source-todestination (computer-to-computer or host-to-host) delivery of a packet, possibly across multiple networks (links). The network layer ensures that each packet gets from its point of origin to its final destination. • If two systems are connected to ...
ppt
... • Improvement is largest when uplink to downlink has similar traffic • Interesting follow-on work using analog coding ...
... • Improvement is largest when uplink to downlink has similar traffic • Interesting follow-on work using analog coding ...
Dell SonicWALL Application Risk Management Report (SWARM)
... Integrating traditional end-point security protection into the firewall, Dell SonicWALL Gateway Anti-Virus, Anti-Spyware, and Intrusion Prevention provide a platform for additional protection at the network boundary. Security definitions are automatically delivered by Dell SonicWALL, ensuring both e ...
... Integrating traditional end-point security protection into the firewall, Dell SonicWALL Gateway Anti-Virus, Anti-Spyware, and Intrusion Prevention provide a platform for additional protection at the network boundary. Security definitions are automatically delivered by Dell SonicWALL, ensuring both e ...
Document
... Figure 1-11: Internets • Single LANs Versus Internets – In single networks (LANs and WANs), all devices connect to one another by switches—our focus so far. – In contrast, an internet is a group of networks connected by routers so that any application on any host on any single network can communica ...
... Figure 1-11: Internets • Single LANs Versus Internets – In single networks (LANs and WANs), all devices connect to one another by switches—our focus so far. – In contrast, an internet is a group of networks connected by routers so that any application on any host on any single network can communica ...
NAME: Computer Science 461 Midterm Exam March 30, 2009
... restart". Namely, it will perform slowstart until half of its prior cwnd (16,000 bytes/second), then do additive-increase from 16,000 to 32,000 bytes/second. (In fact, the question as written didn't include quite enough information, as you actually do need to know the RTT in this example in order to ...
... restart". Namely, it will perform slowstart until half of its prior cwnd (16,000 bytes/second), then do additive-increase from 16,000 to 32,000 bytes/second. (In fact, the question as written didn't include quite enough information, as you actually do need to know the RTT in this example in order to ...
NAME: Computer Science 461 Midterm Exam March 30, 2009
... restart". Namely, it will perform slowstart until half of its prior cwnd (16,000 bytes/second), then do additive-increase from 16,000 to 32,000 bytes/second. (In fact, the question as written didn't include quite enough information, as you actually do need to know the RTT in this example in order to ...
... restart". Namely, it will perform slowstart until half of its prior cwnd (16,000 bytes/second), then do additive-increase from 16,000 to 32,000 bytes/second. (In fact, the question as written didn't include quite enough information, as you actually do need to know the RTT in this example in order to ...
Slide 1
... Else, does routing table have entry that matches the longest prefix of the destination IP address? If so, use this entry to forward Else, does the routing table have a default entry? If so, use this entry. Else, packet is undeliverable ...
... Else, does routing table have entry that matches the longest prefix of the destination IP address? If so, use this entry to forward Else, does the routing table have a default entry? If so, use this entry. Else, packet is undeliverable ...
Lektion 1-Introduktion
... • Frame relay – public data network that have improved performance ○ Developed having in mind new transmission media that have much lower probability of error ○ Does not provide error checking and acknowledgement at both, the datalink layer and the network layer ...
... • Frame relay – public data network that have improved performance ○ Developed having in mind new transmission media that have much lower probability of error ○ Does not provide error checking and acknowledgement at both, the datalink layer and the network layer ...
投影片 1 - PEARL
... Generic solution regardless of device or application type Permits integrating 802.15.4 devices without requiring gateway cognizant of the application • A programming tool can communicate directly to a device without special application software and mapping, communications are simply routed throu ...
... Generic solution regardless of device or application type Permits integrating 802.15.4 devices without requiring gateway cognizant of the application • A programming tool can communicate directly to a device without special application software and mapping, communications are simply routed throu ...
network
... network protocols: machines rather than humans all communication activity in Internet governed by protocols protocols define format, order of msgs sent and received among network entities, and actions taken on msg transmission, receipt ...
... network protocols: machines rather than humans all communication activity in Internet governed by protocols protocols define format, order of msgs sent and received among network entities, and actions taken on msg transmission, receipt ...
CSC383 Lecture notes Ch 1 2 3
... Some applications are usually provided with machines (e.g. web clients, e-mail clients, file sharing). New custom applications must use the interface (API) to the network facilities provided by the system. We will look at a simple API and three sample applications (both the client and the serv ...
... Some applications are usually provided with machines (e.g. web clients, e-mail clients, file sharing). New custom applications must use the interface (API) to the network facilities provided by the system. We will look at a simple API and three sample applications (both the client and the serv ...
TCP/IP and Other Transports for High
... Connection less service over IP No setup teardown One packet at a time Minimal overhead – high performance Provides best effort delivery It is unreliable: Packet may be lost Duplicated Out of order Application is responsible for Data reliability Flow control Error handling ...
... Connection less service over IP No setup teardown One packet at a time Minimal overhead – high performance Provides best effort delivery It is unreliable: Packet may be lost Duplicated Out of order Application is responsible for Data reliability Flow control Error handling ...
General Background - Network Design
... Demands seen to be injected at transport network nodes, lower level networks not visible ...
... Demands seen to be injected at transport network nodes, lower level networks not visible ...
MPLS
... • The control component created and maintained labelforwarding information surrounded by a group of interconnected label switches which IP routing protocols can exchange routing information and another component manages label distribution. • The forwarding component uses a label-forwarding database ...
... • The control component created and maintained labelforwarding information surrounded by a group of interconnected label switches which IP routing protocols can exchange routing information and another component manages label distribution. • The forwarding component uses a label-forwarding database ...
Network Layer and Path Determination
... Media layers: Control physical delivery of messages over the network ...
... Media layers: Control physical delivery of messages over the network ...
Media Communication
... First product appeared in February of 1995: – Internet Phone Software by Vocaltec, Inc., “free” long distance call via PC – Software compressed the voice and sent it as IP packets. Other software/products soon followed NetMeeting, Skype, Gphone, … ...
... First product appeared in February of 1995: – Internet Phone Software by Vocaltec, Inc., “free” long distance call via PC – Software compressed the voice and sent it as IP packets. Other software/products soon followed NetMeeting, Skype, Gphone, … ...
Real Time Block Transfer Related Survey
... Provides access to non-Microsoft systems for resource connection and network browsing and for remote file and device I/O through a common Win32 API (the Wnet API) Allows multiple network transport protocol drivers to be loaded at the same time and allows redirectors to call a single, common inte ...
... Provides access to non-Microsoft systems for resource connection and network browsing and for remote file and device I/O through a common Win32 API (the Wnet API) Allows multiple network transport protocol drivers to be loaded at the same time and allows redirectors to call a single, common inte ...
Lecturing Notes 1
... – Flow Control Mechanism Design Ceriteria » Simple to implement and use least network resources » Scales well as the network size increases » Must be stable and converging to equilibriums ...
... – Flow Control Mechanism Design Ceriteria » Simple to implement and use least network resources » Scales well as the network size increases » Must be stable and converging to equilibriums ...
Network LANScape
... Name Resolution Servers • On TCP/IP networks computers use IP Addresses to connect to other computers and devices • But humans use friendly names to refer to computers (see example below) Used to point friendly names to IP Addresses • Examples of Name servers • DNS (Domain Name System) • WINS (Wind ...
... Name Resolution Servers • On TCP/IP networks computers use IP Addresses to connect to other computers and devices • But humans use friendly names to refer to computers (see example below) Used to point friendly names to IP Addresses • Examples of Name servers • DNS (Domain Name System) • WINS (Wind ...
Network Models
... We use the concept of layers in our daily life. As an example, let us consider two friends who communicate through postal mail. The process of sending a letter to a friend would be complex if there were no services available from the post office. ...
... We use the concept of layers in our daily life. As an example, let us consider two friends who communicate through postal mail. The process of sending a letter to a friend would be complex if there were no services available from the post office. ...
irt2006 - Columbia University
... Motivation: expenses, overhead, flexibility of end-toend IP-based services. How it is done: switch fabric, rules and regulations that manage sending and receiving data among one ...
... Motivation: expenses, overhead, flexibility of end-toend IP-based services. How it is done: switch fabric, rules and regulations that manage sending and receiving data among one ...
OSI Model - Pioneer Student
... The Physical Layer provides the mechanical and electrical connections to the network. In other words, it sends bits down a wire. Repeaters connect media segments and provide amplification and retransmission of signals with no filtering and will propagate all errors. Use them only for connecting long ...
... The Physical Layer provides the mechanical and electrical connections to the network. In other words, it sends bits down a wire. Repeaters connect media segments and provide amplification and retransmission of signals with no filtering and will propagate all errors. Use them only for connecting long ...