![spoofed IP packets](http://s1.studyres.com/store/data/004852428_1-1123027d43bf12bd6edc4ce4ab9f2e70-300x300.png)
spoofed IP packets
... waits for SYN-ACK from server w/ matching ACK number responds with SYN-ACK packet w/ initial “random” sequence number Sets window size to zero waits for ACK packet from client with matching sequence number ...
... waits for SYN-ACK from server w/ matching ACK number responds with SYN-ACK packet w/ initial “random” sequence number Sets window size to zero waits for ACK packet from client with matching sequence number ...
unit7 - WCU Computer Science
... fragmentation requires a sender to discover the path MTU to each destination, and to fragment any outgoing datagram that is larger than the path MTU. End-to-end fragmentation does not accommodate route changes. • To solve the problem of route changes that affect the path MTU, IPv6 includes a new ICM ...
... fragmentation requires a sender to discover the path MTU to each destination, and to fragment any outgoing datagram that is larger than the path MTU. End-to-end fragmentation does not accommodate route changes. • To solve the problem of route changes that affect the path MTU, IPv6 includes a new ICM ...
Internetworking
... • Each network has some MTU (why not uniform?) – Why not some uniform standard? – What is a reasonable choice for a given host? ...
... • Each network has some MTU (why not uniform?) – Why not some uniform standard? – What is a reasonable choice for a given host? ...
PPT - Pages
... – E.g. Source routing, record route, etc. – Performance issues at routers • Poorly supported or not at all ...
... – E.g. Source routing, record route, etc. – Performance issues at routers • Poorly supported or not at all ...
ppt
... • Identifier, flags, fragment offset used primarily for fragmentation • Time to live • Must be decremented at each router • Packets with TTL=0 are thrown away • Ensure packets exit the network ...
... • Identifier, flags, fragment offset used primarily for fragmentation • Time to live • Must be decremented at each router • Packets with TTL=0 are thrown away • Ensure packets exit the network ...
Multimedia Networking
... error recover: time permitting TCP send at maximum possible rate under TCP fill rate fluctuates due to TCP congestion control larger playout delay: smooth TCP delivery rate HTTP/TCP passes more easily through firewalls ...
... error recover: time permitting TCP send at maximum possible rate under TCP fill rate fluctuates due to TCP congestion control larger playout delay: smooth TCP delivery rate HTTP/TCP passes more easily through firewalls ...
LectureClientServerP..
... On the server side: when contacted by the client, the server TCP creates a new socket for communication with the client thus, each client session gets its own private socket on the server ...
... On the server side: when contacted by the client, the server TCP creates a new socket for communication with the client thus, each client session gets its own private socket on the server ...
packet-switched - University Of Worcester
... SEVEN software layers included a further three levels of abstraction from physical network through to screen display, this was the MINIMUM number OSI committee could agree on helpful for efficient client-server communication across different networks, with different protocols ...
... SEVEN software layers included a further three levels of abstraction from physical network through to screen display, this was the MINIMUM number OSI committee could agree on helpful for efficient client-server communication across different networks, with different protocols ...
Network
... Keeping Track of Fragments 2 • Another way is to define elementary fragment size that can pass through every network. • When packet fragmented, all pieces equal to elementary fragment size, except last one (may be smaller). • Packet may contain several fragments. ...
... Keeping Track of Fragments 2 • Another way is to define elementary fragment size that can pass through every network. • When packet fragmented, all pieces equal to elementary fragment size, except last one (may be smaller). • Packet may contain several fragments. ...
A High-Level Toolkit for Development of Distributed
... ClientSession session = new ClientSessionImpl(communicator()); ...
... ClientSession session = new ClientSessionImpl(communicator()); ...
IPv4 and IPv6
... b) PRI: priority field defines priority of packets w.r.t. traffic congestion; 0-7: for packets that can slow down in event of congestion; 8-15 for real-time traffic with constant sending rate – Audio & Video. c) Flow label: (~ Service in IPv4) Special handling for a particular flow of data; pseudo-c ...
... b) PRI: priority field defines priority of packets w.r.t. traffic congestion; 0-7: for packets that can slow down in event of congestion; 8-15 for real-time traffic with constant sending rate – Audio & Video. c) Flow label: (~ Service in IPv4) Special handling for a particular flow of data; pseudo-c ...
PRACTICE QUESTIONS ON RESOURCE ALLOCATION QUESTION 1: Internet Versus Station Wagon
... bits/second. And, suppose for simplicity that the data transfer can fully consume the link bandwidth, with no additional overhead (e.g., for headers or the TCP sawtooth). At what file size (in bytes) does the station-wagon solution start delivering the data faster? Show your work. ...
... bits/second. And, suppose for simplicity that the data transfer can fully consume the link bandwidth, with no additional overhead (e.g., for headers or the TCP sawtooth). At what file size (in bytes) does the station-wagon solution start delivering the data faster? Show your work. ...
Security The big picture Some consequences Three types of threat
... - Many implementations blocked reading message ...
... - Many implementations blocked reading message ...
Sockets
... Can send to 500 nodes, would need 500 sessions with the connection-oriented model If one of the messages are not received no problem… ...
... Can send to 500 nodes, would need 500 sessions with the connection-oriented model If one of the messages are not received no problem… ...
Document
... • The client sends 3 transactions per minute (0.05 tps), whose messages average lenght is 400 bytes. The 80% of replies are 8092 bytes lenght and the 20% are 100.000 bytes • Assuming that no fragmentation exists and the TCP layer does not know the netwotk MTU, evaluate the average service time for r ...
... • The client sends 3 transactions per minute (0.05 tps), whose messages average lenght is 400 bytes. The 80% of replies are 8092 bytes lenght and the 20% are 100.000 bytes • Assuming that no fragmentation exists and the TCP layer does not know the netwotk MTU, evaluate the average service time for r ...
REST
... REST stands for Representational State Transfer. (It is sometimes spelled "ReST".) It relies on a stateless, client-server, cacheable communications protocol -- and in virtually all cases, the HTTP protocol is used. REST is an architecture style for designing networked ...
... REST stands for Representational State Transfer. (It is sometimes spelled "ReST".) It relies on a stateless, client-server, cacheable communications protocol -- and in virtually all cases, the HTTP protocol is used. REST is an architecture style for designing networked ...
Network Management - Department of Computer Science, HKBU
... The client system begins by sending a SYN message to the server. The server then acknowledges the SYN message by sending SYN-ACK message to the client. The client then finishes establishing the connection by responding with an ACK message. the server system has sent an acknowledgment (SYN-ACK) back ...
... The client system begins by sending a SYN message to the server. The server then acknowledges the SYN message by sending SYN-ACK message to the client. The client then finishes establishing the connection by responding with an ACK message. the server system has sent an acknowledgment (SYN-ACK) back ...
The Transport Layer
... them up into pieces not exceeding 64K (usually about 1460 bytes to fit in a single Ethernet frame) and sends each piece as a separate IP datagram. •The receiver side gives IP datagrams containing TCP data to its TCP entity, which reconstructs the original byte streams. •IP gives no guarantees that d ...
... them up into pieces not exceeding 64K (usually about 1460 bytes to fit in a single Ethernet frame) and sends each piece as a separate IP datagram. •The receiver side gives IP datagrams containing TCP data to its TCP entity, which reconstructs the original byte streams. •IP gives no guarantees that d ...
TCP/IP Concepts (Part 1)
... found to be mismatched, then the packet is discarded. Note that errors in the data field are up to the encapsulated protocol to handle . ...
... found to be mismatched, then the packet is discarded. Note that errors in the data field are up to the encapsulated protocol to handle . ...
$doc.title
... determine which output links to send a packet. d. In addition to packet forwarding, routers decrement the TTL field in the IP header. e. The BGP protocol exchanges link weights. f. Congestion ...
... determine which output links to send a packet. d. In addition to packet forwarding, routers decrement the TTL field in the IP header. e. The BGP protocol exchanges link weights. f. Congestion ...
The Transport Layer
... Transitions labeled in italics are caused by packet arrivals. The solid lines show the client's state sequence. The dashed lines show the server's state sequence. ...
... Transitions labeled in italics are caused by packet arrivals. The solid lines show the client's state sequence. The dashed lines show the server's state sequence. ...