ECEN 689 Special Topics in Data Science for Communications
... • Generated continuously, 100s of Terabytes per day • Many other operational datasets • Used in network management over a range of timescales – From months (network planning) to seconds (network attack detection) ...
... • Generated continuously, 100s of Terabytes per day • Many other operational datasets • Used in network management over a range of timescales – From months (network planning) to seconds (network attack detection) ...
View File
... The AH ICV is computed over: IP header fields that are either immutable in transit or that are predictable in value upon arrival at the endpoint for the AH SA, e.g., source address (immutable), destination address with source routing (mutable but predictable) The AH header (Next Header, Payload Len, ...
... The AH ICV is computed over: IP header fields that are either immutable in transit or that are predictable in value upon arrival at the endpoint for the AH SA, e.g., source address (immutable), destination address with source routing (mutable but predictable) The AH header (Next Header, Payload Len, ...
TCPdump
... for the extraction of particular types of network traffic based on header information. They can filter any field in the IP, ICMP, UDP, or TCP header using byte offsets. ...
... for the extraction of particular types of network traffic based on header information. They can filter any field in the IP, ICMP, UDP, or TCP header using byte offsets. ...
ppt
... – Some loss of flexibility, but the gain in interoperability more than makes up for this – Because IP is embedded in applications and in interdomain routing, it is very hard to change – Having IP be universal made this mistake easier to make, but it didn’t cause this problem ...
... – Some loss of flexibility, but the gain in interoperability more than makes up for this – Because IP is embedded in applications and in interdomain routing, it is very hard to change – Having IP be universal made this mistake easier to make, but it didn’t cause this problem ...
Networking
... A client first binds to the server, I.e., locates it in the network and establishes a connection. The client then sends requests to perform actions; this is done by sending messages that indicate which service is desired, along with params. The server returns a response. ...
... A client first binds to the server, I.e., locates it in the network and establishes a connection. The client then sends requests to perform actions; this is done by sending messages that indicate which service is desired, along with params. The server returns a response. ...
single physical link
... in the following figure, the switch has to multiplex three incoming packet streams onto one outgoing link it is possible that the switch will receive packets faster than the shared link can accommodate in this case, the switch is forced to buffer these packets in its memory should a switch r ...
... in the following figure, the switch has to multiplex three incoming packet streams onto one outgoing link it is possible that the switch will receive packets faster than the shared link can accommodate in this case, the switch is forced to buffer these packets in its memory should a switch r ...
What is H.323?
... Client and Server interoperability with commercial clients Call Status: “In Session”, “Normal Close”, “Exception Close” ...
... Client and Server interoperability with commercial clients Call Status: “In Session”, “Normal Close”, “Exception Close” ...
The Power of Modern Information Systems
... networks designed by different vendors into a network of networks (the "Internet"). It was initially successful because it delivered a few basic services that everyone needs (file transfer, electronic mail, remote logon) across a very large number of client and server systems. Several computers in a ...
... networks designed by different vendors into a network of networks (the "Internet"). It was initially successful because it delivered a few basic services that everyone needs (file transfer, electronic mail, remote logon) across a very large number of client and server systems. Several computers in a ...
Example
... – Using MPI: Portable Parallel Programming with the Message-Passing Interface (2nd edition), by Gropp, Lusk, and Skjellum, MIT Press, 1999. – Using MPI-2: Extending the Message-Passing Interface, by Gropp, Lusk, and Thakur, MIT Press, 1999 ...
... – Using MPI: Portable Parallel Programming with the Message-Passing Interface (2nd edition), by Gropp, Lusk, and Skjellum, MIT Press, 1999. – Using MPI-2: Extending the Message-Passing Interface, by Gropp, Lusk, and Thakur, MIT Press, 1999 ...
module_52
... – If timeout expires before all fragments arrive, discard partial data Use packet lifetime (remaining time to live in IP) – If time to live runs out, kill partial data ...
... – If timeout expires before all fragments arrive, discard partial data Use packet lifetime (remaining time to live in IP) – If time to live runs out, kill partial data ...
Games and the Impossibility of Realizable Ideal Functionality
... Sends packets to A that resemble B’s transmission E cannot receive, but may execute commands on A ...
... Sends packets to A that resemble B’s transmission E cannot receive, but may execute commands on A ...
Week 10
... IP packet fragmentation details all fragments of the same packet carry the same identifier all fragments except the last one have the “MF” bit set fragment offset points to the first byte of the fragment ...
... IP packet fragmentation details all fragments of the same packet carry the same identifier all fragments except the last one have the “MF” bit set fragment offset points to the first byte of the fragment ...
Sep 27, 2007
...
– Request
<0013><6>
– Piece: is 0009+X and message ID is 7. The payload is
as follows:
X is block size
...
...
Answer Key - EECS: www-inst.eecs.berkeley.edu
... Below are three design decisions, followed by three design principles. Please match each decision with the principle most applicable to that decision. ...
... Below are three design decisions, followed by three design principles. Please match each decision with the principle most applicable to that decision. ...
D-Link DCS-930L Wireless N Network Camera
... receives an IP address and port number in return. The client uses these to open the data connection to the server. ...
... receives an IP address and port number in return. The client uses these to open the data connection to the server. ...
Solution
... Errors in the IP header can be a disaster, For example: - If the destination IP address is corrupted, the packet can be delivered to the wrong host. - If the protocol field is corrupted, the payload may be delivered to the wrong protocol. - If the fields related to the fragmentation are corrupted, t ...
... Errors in the IP header can be a disaster, For example: - If the destination IP address is corrupted, the packet can be delivered to the wrong host. - If the protocol field is corrupted, the payload may be delivered to the wrong protocol. - If the fields related to the fragmentation are corrupted, t ...
Lim-TMC09-slide
... The AMM replaces2 the destination IP address of the IP or IPSec packet by the Care-of-Address of the MN based on its entry in the M-Table Finally, for IPSec packet, it pastes the MN’s SID into the reserved bits of the AH This packet is then directly routed to the MN. At the network layer of MN ...
... The AMM replaces2 the destination IP address of the IP or IPSec packet by the Care-of-Address of the MN based on its entry in the M-Table Finally, for IPSec packet, it pastes the MN’s SID into the reserved bits of the AH This packet is then directly routed to the MN. At the network layer of MN ...
Defense Techniques
... – application that acts as an intermediary between client within the protected network and server in the outside world and vice versa – when a client requests a connection to the outside, it actually connects to the proxy – proxy examines the connection request with respect to security ...
... – application that acts as an intermediary between client within the protected network and server in the outside world and vice versa – when a client requests a connection to the outside, it actually connects to the proxy – proxy examines the connection request with respect to security ...
introconcepts2
... • World Wide Web (usually port 80) – Hyper media interface to internet – Connects clients and servers using HTTP • Hyper Text Transfer Protocol ...
... • World Wide Web (usually port 80) – Hyper media interface to internet – Connects clients and servers using HTTP • Hyper Text Transfer Protocol ...
$doc.title
... – E.g., if client has not already started playing data – Data can be retransmiHed within $me constraint ...
... – E.g., if client has not already started playing data – Data can be retransmiHed within $me constraint ...
514-01-ATM
... • Main contribution of cell networking is to prevent the medium being blocked by a large packet – Not as important as it once was – 1500 byte packet at 10Mbps = 1.2ms – 1500 byte packet at 10Gbps = 1.2us ...
... • Main contribution of cell networking is to prevent the medium being blocked by a large packet – Not as important as it once was – 1500 byte packet at 10Mbps = 1.2ms – 1500 byte packet at 10Gbps = 1.2us ...
8) Network layer-3
... 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 ...
Transport - cs.wisc.edu
... Layers make complex system easier to understand and specify Makes implementation more flexible Can make implementation a bigger and less efficient Layers are implemented by protocols – rules for communication ...
... Layers make complex system easier to understand and specify Makes implementation more flexible Can make implementation a bigger and less efficient Layers are implemented by protocols – rules for communication ...