WLAN - GVSU School of Computing an Information Systems
... Seed RC4 with TKIP XOR output with data ...
... Seed RC4 with TKIP XOR output with data ...
OS3e_16
... – Determine the best route between two points – Send packets along this route Routers determine the next host for a given datagram based on information, such as network topologies and link quality – Link quality includes strength of signal, error rate and interference • Interference is broadcast thr ...
... – Determine the best route between two points – Send packets along this route Routers determine the next host for a given datagram based on information, such as network topologies and link quality – Link quality includes strength of signal, error rate and interference • Interference is broadcast thr ...
detection of peer to peer applications
... patterns and packets. Network scanning looks for common ports or protocols that may be open. These methods are useful for detecting P2P applications such as Piolet. Piolet is an executable which can be dropped and run from anywhere. It requires no installation and leaves no footprint behind. An admi ...
... patterns and packets. Network scanning looks for common ports or protocols that may be open. These methods are useful for detecting P2P applications such as Piolet. Piolet is an executable which can be dropped and run from anywhere. It requires no installation and leaves no footprint behind. An admi ...
presentation source
... Internet Services Whiteboarding - Whiteboarding is an Internet application in which two or more users in different locations can view and edit the same document on line at the same time. Changes show up automatically on each user’s computer screen as they are made. ...
... Internet Services Whiteboarding - Whiteboarding is an Internet application in which two or more users in different locations can view and edit the same document on line at the same time. Changes show up automatically on each user’s computer screen as they are made. ...
$doc.title
... – ACKs will be piggybacked on the data packets – ACK will correspond to the next byte it expects to receive => this may acknowledge mulMple packets received previously ...
... – ACKs will be piggybacked on the data packets – ACK will correspond to the next byte it expects to receive => this may acknowledge mulMple packets received previously ...
Solution to test 2
... Assume the followings: All routers inside the network turn off the support for subnet-directed and all-subnet-directed IP broadcasts, i.e., drop those packets. All nodes (hosts and routers) must reply with an ICMP echo reply message when receiving an ICMP echo request message. When forwarding ...
... Assume the followings: All routers inside the network turn off the support for subnet-directed and all-subnet-directed IP broadcasts, i.e., drop those packets. All nodes (hosts and routers) must reply with an ICMP echo reply message when receiving an ICMP echo request message. When forwarding ...
Service Function Chaining - Open Networking Foundation
... functions that must be applied to traffic for a given service are physically inserted on the data-‐forwarding path between communicating peers, and traffic is directed through them using VLANs and ...
... functions that must be applied to traffic for a given service are physically inserted on the data-‐forwarding path between communicating peers, and traffic is directed through them using VLANs and ...
Nessun titolo diapositiva - uni
... – Policy Enforcement Points (PEP) • gateway, router or server – Policy Decision Points (PDP) • Customer databases • Access and rules information • Billing policies UNSA / Telelinea ...
... – Policy Enforcement Points (PEP) • gateway, router or server – Policy Decision Points (PDP) • Customer databases • Access and rules information • Billing policies UNSA / Telelinea ...
Internal Networks and Physical Attacks
... A secure approach is the single sign- on system which provides centralized access control list. Single sign- on systems keep a list of who is authorized to access different areas of the network. The Systems use a directory to store the names, passwords and access control for each user and system res ...
... A secure approach is the single sign- on system which provides centralized access control list. Single sign- on systems keep a list of who is authorized to access different areas of the network. The Systems use a directory to store the names, passwords and access control for each user and system res ...
answers - Princeton CS
... (2b) If a packet is lost on either link, the sender must retransmit the packet over the entire path. What is the likelihood that the packet must be transmitted more than five times (i.e., retransmitted more than four times)? Drawing on the result from question 2a, the likelihood the packet is lost s ...
... (2b) If a packet is lost on either link, the sender must retransmit the packet over the entire path. What is the likelihood that the packet must be transmitted more than five times (i.e., retransmitted more than four times)? Drawing on the result from question 2a, the likelihood the packet is lost s ...
Intradomain routing protocols
... Backup DR (BDR) also syncs with all routers, and takes over if DR dies (typically 5 s wait) Total: 2N – 1 adjacencies DR election: ...
... Backup DR (BDR) also syncs with all routers, and takes over if DR dies (typically 5 s wait) Total: 2N – 1 adjacencies DR election: ...
IC30304pt2
... Effect of ARP spoofing • Attacker keeps a relay index: a table containing the true association between MAC addresses and IP addresses. • But the two devices at 192.168.0.20 and 192.18.0.40 update their ARP caches with false information. • All traffic for 192.168.0.20 and 192.168.0.40 gets sent to a ...
... Effect of ARP spoofing • Attacker keeps a relay index: a table containing the true association between MAC addresses and IP addresses. • But the two devices at 192.168.0.20 and 192.18.0.40 update their ARP caches with false information. • All traffic for 192.168.0.20 and 192.168.0.40 gets sent to a ...
The Transport Layer: TCP and UDP
... 1 S sends packets to multicast address m; there is no member, the data is simply lost at router R5. 2 A joins the multicast address m. 3 R1 informs the rest of the network that m has a member at R1; the multicast routing protocol builds a tree. Data sent by S now reach A. 4 B joins the multicast add ...
... 1 S sends packets to multicast address m; there is no member, the data is simply lost at router R5. 2 A joins the multicast address m. 3 R1 informs the rest of the network that m has a member at R1; the multicast routing protocol builds a tree. Data sent by S now reach A. 4 B joins the multicast add ...
- Snistnote
... The transport layer, on the other hand, ensures that the whole message arrives intact and in order, overseeing both error control and flow control at the source-to-destination level. ...
... The transport layer, on the other hand, ensures that the whole message arrives intact and in order, overseeing both error control and flow control at the source-to-destination level. ...
Chap 8 The Internet - California State University, Sacramento
... reading capabilities in their software. The following slide shows Microsoft’s Internet Explorer 6 in its newsreading mode. There are, however, many more single purpose readers that incorporate added features, including ...
... reading capabilities in their software. The following slide shows Microsoft’s Internet Explorer 6 in its newsreading mode. There are, however, many more single purpose readers that incorporate added features, including ...
Security Incidents Response in China
... Delete, modify or add the functions of computer networks Delete, modify, or add the data or application programs which are stored, processed or transmitted in computer networks Intentionally create, spread destroying programs like computer viruses Other behaviors that compromise computer network sec ...
... Delete, modify or add the functions of computer networks Delete, modify, or add the data or application programs which are stored, processed or transmitted in computer networks Intentionally create, spread destroying programs like computer viruses Other behaviors that compromise computer network sec ...
CIS222 - Data Communications and Enterprise Networking
... Protocol Data Units are exchanged between peer entities at the same layer. The Network File System uses remote procedure calls to access files on a remote system. Simple Mail Transfer Protocol is used by mail clients to send and receive messages. ...
... Protocol Data Units are exchanged between peer entities at the same layer. The Network File System uses remote procedure calls to access files on a remote system. Simple Mail Transfer Protocol is used by mail clients to send and receive messages. ...
Bass - JIE Way Ahead
... • Dynamically segregate traffic; single network, multiple branch, mission, ...
... • Dynamically segregate traffic; single network, multiple branch, mission, ...
Towards Software-Friendly Networks
... simply send data into and out of the socket. The application needs no knowledge of the topology or current state of the network, and needs no control over how packets are delivered. The network is a set of dumb pipes. However, many applications can benefit from a richer interface to the network with ...
... simply send data into and out of the socket. The application needs no knowledge of the topology or current state of the network, and needs no control over how packets are delivered. The network is a set of dumb pipes. However, many applications can benefit from a richer interface to the network with ...
NAME: Computer Science 461 Midterm Exam March 14, 2014
... than those implementing drop-tail policies. c. With ECN, if a packet is marked as ECN-capable, routers send congestion notification messages back to the sender to cause them to backoff. d. Routers start using ECN when their queues are full. e. Strict priority queuing ensures that all TCP flows achie ...
... than those implementing drop-tail policies. c. With ECN, if a packet is marked as ECN-capable, routers send congestion notification messages back to the sender to cause them to backoff. d. Routers start using ECN when their queues are full. e. Strict priority queuing ensures that all TCP flows achie ...
layering
... – Each user subscribes to 5 Mbps, for videos – But a user is active only 50% of the time … • How many users can the ISP support? – With dedicated bandwidth for each user: ...
... – Each user subscribes to 5 Mbps, for videos – But a user is active only 50% of the time … • How many users can the ISP support? – With dedicated bandwidth for each user: ...
Chapter 5 Overview of Network Services - computerscience
... • To use Active Directory, at least one server must be configured as a Domain Controller (DC). • It is recommended that there be at least two DCs in each domain, for fault tolerance. • Replication is the process of copying data from one computer to one or more other computers and synchronizing that ...
... • To use Active Directory, at least one server must be configured as a Domain Controller (DC). • It is recommended that there be at least two DCs in each domain, for fault tolerance. • Replication is the process of copying data from one computer to one or more other computers and synchronizing that ...
OptiSwitch® 940 Series - MV Communications Co., Ltd.
... Administration & Maintenance (OAM) support. The uniqueness of a full suite of Carrier-Ethernet tools enables flexible service awareness and rigid SLAs for converged Triple Play, Business, and Mobile backhaul services. The OptiSwitch 940 series meets IEEE, ITU, IETF standards, as well as MEF specific ...
... Administration & Maintenance (OAM) support. The uniqueness of a full suite of Carrier-Ethernet tools enables flexible service awareness and rigid SLAs for converged Triple Play, Business, and Mobile backhaul services. The OptiSwitch 940 series meets IEEE, ITU, IETF standards, as well as MEF specific ...
スライド 1
... • One of the biggest exhibition/conference for network equipment / service vendors. • The Network Operation Center (NOC) team builds an experimental advanced network called "ShowNet" as a backbone of the event. • The experimental network was connected to several peering points (Internet Exchange Poi ...
... • One of the biggest exhibition/conference for network equipment / service vendors. • The Network Operation Center (NOC) team builds an experimental advanced network called "ShowNet" as a backbone of the event. • The experimental network was connected to several peering points (Internet Exchange Poi ...