Chapter 2 Protocol Architecture - Department of Computer Science
... communicate with another system. — Each layer relies on the next lower layer to perform more primitive functions and to conceal the details of those functions. — Each layer provides services to the next higher layer. — Ideally, changes in one layer do not require changes in other ...
... communicate with another system. — Each layer relies on the next lower layer to perform more primitive functions and to conceal the details of those functions. — Each layer provides services to the next higher layer. — Ideally, changes in one layer do not require changes in other ...
IOSR Journal of Computer Science (IOSR-JCE) e-ISSN: 2278-0661, p-ISSN: 2278-8727 PP 58-65 www.iosrjournals.org
... is necessary to devise a mechanism which will maintain a more accurate local topology in those regions of the network where significant data forwarding activities are on-going. This is precisely what the On-DemandLearning (ODL) rule aims to achieve. As the namesuggests, a node broadcasts beacons on- ...
... is necessary to devise a mechanism which will maintain a more accurate local topology in those regions of the network where significant data forwarding activities are on-going. This is precisely what the On-DemandLearning (ODL) rule aims to achieve. As the namesuggests, a node broadcasts beacons on- ...
sockets-bridge-learning
... • Int send(int socket, char *message, int msg_len, int flags) – Send specified message using specified socket ...
... • Int send(int socket, char *message, int msg_len, int flags) – Send specified message using specified socket ...
Chapter 5
... All connections coming from the Internet must be encrypted as well as connections where sensitive data can be transmitted Ideally you want all traffic on your network to be ...
... All connections coming from the Internet must be encrypted as well as connections where sensitive data can be transmitted Ideally you want all traffic on your network to be ...
SDN security 2 - FSU Computer Science
... Not enough network capacity, delay is not so important ...
... Not enough network capacity, delay is not so important ...
lecture 09 - chap 8
... Total length: number of bytes of the IP packet including header and data, maximum length is 65535 bytes. Identification, Flags, and Fragment Offset: used for fragmentation and reassembly (More ...
... Total length: number of bytes of the IP packet including header and data, maximum length is 65535 bytes. Identification, Flags, and Fragment Offset: used for fragmentation and reassembly (More ...
Commercial Network Processors
... The Pattern Process Engine (PPE) performs pattern matching to determine how the incoming PDUs are classified. The Queue Engine manages FPP replay contexts, provide address for block buffers and maintains information on blocks, PDUs and ...
... The Pattern Process Engine (PPE) performs pattern matching to determine how the incoming PDUs are classified. The Queue Engine manages FPP replay contexts, provide address for block buffers and maintains information on blocks, PDUs and ...
Information Survivability for Mobile Wireless Systems
... other computers in the network. The portable computers in a wireless system are vulnerable not only to these network intrusions, but also to theft and loss. The highly dynamic nature of a mobile wireless network further complicates the task of defending the network by making it difficult to distingu ...
... other computers in the network. The portable computers in a wireless system are vulnerable not only to these network intrusions, but also to theft and loss. The highly dynamic nature of a mobile wireless network further complicates the task of defending the network by making it difficult to distingu ...
When you make a call… - Tufts Computer Science
... principle, called the end-to-end argument, suggests that functions placed at low levels of a system may be redundant or of little value when compared with the cost of providing them at that low level. Examples discussed in the paper include bit error recovery, security using encryption, duplicate me ...
... principle, called the end-to-end argument, suggests that functions placed at low levels of a system may be redundant or of little value when compared with the cost of providing them at that low level. Examples discussed in the paper include bit error recovery, security using encryption, duplicate me ...
Module 8: Monitoring and Reporting
... There is a failure in communication bet… An intrusion was attempted by an exte… Dial-on-demand credentials are invalid The specified user name or password… IP packet was dropped according to s… A packet with invalid IP options was d… The IP packet source address is not v… One of the service logs fai ...
... There is a failure in communication bet… An intrusion was attempted by an exte… Dial-on-demand credentials are invalid The specified user name or password… IP packet was dropped according to s… A packet with invalid IP options was d… The IP packet source address is not v… One of the service logs fai ...
Internetworking
... • if router is connected to destination network, then forward to host • if not directly connected, then forward to some router • forwarding table maps network number into next hop (router) • each host has a default router • each router maintains a forwarding table ...
... • if router is connected to destination network, then forward to host • if not directly connected, then forward to some router • forwarding table maps network number into next hop (router) • each host has a default router • each router maintains a forwarding table ...
Figure A.1: Interface to the Network Simulator
... reference model. It provides a connection oriented, reliable, and byte stream service. The term connection-oriented means any two applications using TCP must establish a TCP connection with each other before they can exchange data. It is a full duplex protocol, meaning that each TCP connection suppo ...
... reference model. It provides a connection oriented, reliable, and byte stream service. The term connection-oriented means any two applications using TCP must establish a TCP connection with each other before they can exchange data. It is a full duplex protocol, meaning that each TCP connection suppo ...
FPL-3: towards language support for distributed packet processing
... for packet processing at high speeds by sharing the workload between a number of independent RISC processors. However, for very demanding applications (e.g., payload scanning for worm signatures) more power is needed than any one processor can offer. For reasons of cost-efficiency it is infeasible t ...
... for packet processing at high speeds by sharing the workload between a number of independent RISC processors. However, for very demanding applications (e.g., payload scanning for worm signatures) more power is needed than any one processor can offer. For reasons of cost-efficiency it is infeasible t ...
the network layer 1
... − If yes, it forwards the packets to all other lines except the one it arrived on. − If no, it discards the packet, considering that the packet did not arrive through optimal route. − Simple and efficient ...
... − If yes, it forwards the packets to all other lines except the one it arrived on. − If no, it discards the packet, considering that the packet did not arrive through optimal route. − Simple and efficient ...
3.Transport Layer
... An ACK is required for each byte If an ACK is not received in a certain amount of time, data is retransmitted An ACK packet serves as an ACK for all bytes up to the byte indicated by the ACK's sequence number ...
... An ACK is required for each byte If an ACK is not received in a certain amount of time, data is retransmitted An ACK packet serves as an ACK for all bytes up to the byte indicated by the ACK's sequence number ...
Lab 12A: Intrusion Detection System (IDS)
... These are tightly bound to services, and usually traffic on this port clearly indicates the protocol for that service. For example, port 80 virtually always indicates HTTP traffic. 2. The Registered Ports are those from 1024 through 49151. These are loosely bound to services, which means that while ...
... These are tightly bound to services, and usually traffic on this port clearly indicates the protocol for that service. For example, port 80 virtually always indicates HTTP traffic. 2. The Registered Ports are those from 1024 through 49151. These are loosely bound to services, which means that while ...
The Internet Protocol - University of Calgary
... A bit of history “The decision to put a 32-bit address space on there was the result of a year's battle among a bunch of engineers who couldn't make up their minds about 32, 128, or variable-length. And after a year of fighting, I said--I'm now at ARPA, I'm running the program, I'm paying for this ...
... A bit of history “The decision to put a 32-bit address space on there was the result of a year's battle among a bunch of engineers who couldn't make up their minds about 32, 128, or variable-length. And after a year of fighting, I said--I'm now at ARPA, I'm running the program, I'm paying for this ...
Lecture 1: Course Introduction and Overview
... • Telephone: operator sets up connection between the caller and the receiver ...
... • Telephone: operator sets up connection between the caller and the receiver ...
CEN 4500C Computer Networks Fundamentals
... slowly towards the end of phase I and into phase II, until another loss occurs. In fast retransmit fast recovery (due to duplicate acks), the load is cut in half (half way into phase I), then slow (linear) increase towards phase II (as in congestion avoidance). Q. Mention the different kinds of prot ...
... slowly towards the end of phase I and into phase II, until another loss occurs. In fast retransmit fast recovery (due to duplicate acks), the load is cut in half (half way into phase I), then slow (linear) increase towards phase II (as in congestion avoidance). Q. Mention the different kinds of prot ...
Unit 3- Mobile Network layer
... Firewalls at the foreign network may not allow that Multicasting: if a MN is to participate in a multicast group, it needs to use a reverse tunnel to maintain its association with the home network. TTL: a MN might have a TTL that is suitable for communication when it is in its HM. This TTL may n ...
... Firewalls at the foreign network may not allow that Multicasting: if a MN is to participate in a multicast group, it needs to use a reverse tunnel to maintain its association with the home network. TTL: a MN might have a TTL that is suitable for communication when it is in its HM. This TTL may n ...