net221 lecture 6++
... In our scenario, the sender sends segments 1 and 2, which are acknowledged immediately by an ACK. Segment 3, however, is lost. The receiver receives segment 4, which is out of order. The receiver stores the data in the segment in its buffer but leaves a gap to indicate that there is no continu ...
... In our scenario, the sender sends segments 1 and 2, which are acknowledged immediately by an ACK. Segment 3, however, is lost. The receiver receives segment 4, which is out of order. The receiver stores the data in the segment in its buffer but leaves a gap to indicate that there is no continu ...
Wireless Application Protocol (wap)
... stateless, client/server, request/response communication connection oriented, one connection per request TCP 3-way handshake, DNS lookup overheads big protocol headers, uncompressed content transfer primitive caching (often disabled, dynamic objects) security problems (using SSL/TLS with proxies) ...
... stateless, client/server, request/response communication connection oriented, one connection per request TCP 3-way handshake, DNS lookup overheads big protocol headers, uncompressed content transfer primitive caching (often disabled, dynamic objects) security problems (using SSL/TLS with proxies) ...
ECMA: A Novel Technique for Implementing Digital Evidence
... By properly terminating an employee, attempts and successes of deliberate attack by disgruntled employee can be reduced and managed within the system. Also, with a well implemented VLAN framework, network forensics which captures, records, and analyses network events (in order to discover the source ...
... By properly terminating an employee, attempts and successes of deliberate attack by disgruntled employee can be reduced and managed within the system. Also, with a well implemented VLAN framework, network forensics which captures, records, and analyses network events (in order to discover the source ...
Chapter 7 Power Point Show
... The example features the IPX network 4a1d and 3f. The IPX node number is 12 hexadecimal digits in length. This number is usually the MAC address obtained from a network interface that has a MAC address. The example features the IPX node 0000.0c56.de33 on the 4a1d network. Another node address is 00 ...
... The example features the IPX network 4a1d and 3f. The IPX node number is 12 hexadecimal digits in length. This number is usually the MAC address obtained from a network interface that has a MAC address. The example features the IPX node 0000.0c56.de33 on the 4a1d network. Another node address is 00 ...
paper
... content consumers can be serviced concurrently, while the average quality of the user experience is maintained. Specifically, the probability that a piece of content is unavailable to any user, and there being an interruption during consumption, is kept small. To achieve these small blocking probabi ...
... content consumers can be serviced concurrently, while the average quality of the user experience is maintained. Specifically, the probability that a piece of content is unavailable to any user, and there being an interruption during consumption, is kept small. To achieve these small blocking probabi ...
Minuet – Rethinking Concurrency Control in Storage Area Networks
... Standard fault tolerance techniques can be applied to mitigate the effects of DLM failures ...
... Standard fault tolerance techniques can be applied to mitigate the effects of DLM failures ...
20110310-OSG-NPW-Tools
... • Use of the network should meet user expectations. – See Examples from earlier – When things don’t look right, time to explore ‘why’ ...
... • Use of the network should meet user expectations. – See Examples from earlier – When things don’t look right, time to explore ‘why’ ...
Policy based Management of Content Distribution
... throughout the world, and some of them may be subject to regulations that prevent them from caching specific types of content. Therefore, a policy action must be able to restrict the caching function to be performed only at specific sites. As an example, the site restriction may be specified by eith ...
... throughout the world, and some of them may be subject to regulations that prevent them from caching specific types of content. Therefore, a policy action must be able to restrict the caching function to be performed only at specific sites. As an example, the site restriction may be specified by eith ...
PPT
... • RFC 2326 permits use of either TCP or UDP for the control messages connection, sometimes called the RTSP Channel • As before, meta file is communicated to web browser which then launches the Player; Player sets up an RTSP connection for control messages in addition to the connection for the stream ...
... • RFC 2326 permits use of either TCP or UDP for the control messages connection, sometimes called the RTSP Channel • As before, meta file is communicated to web browser which then launches the Player; Player sets up an RTSP connection for control messages in addition to the connection for the stream ...
전자상거래 요소기술
... Categorize and control HTTP communication based on specific URL address Operations URL client on the firewall passes the URL to the UFP server URL server returns a classification of the category for the URL Firewall determines the appropriate action in accordance with the security policy relat ...
... Categorize and control HTTP communication based on specific URL address Operations URL client on the firewall passes the URL to the UFP server URL server returns a classification of the category for the URL Firewall determines the appropriate action in accordance with the security policy relat ...
Lecture 3: Data Link Layer Security
... – E.g. giving them its own IP as default router – Result in all the traffic passing through the attacker’s computer ...
... – E.g. giving them its own IP as default router – Result in all the traffic passing through the attacker’s computer ...
Build issues
... >>Deploy WAR files in the following order on middle tier: 1.Deploy the pwp.war file under OC4J_IC container by giving the following details Application Name : pwp Map to URL : /pwp 2.Deploy the news_events.war file under OC4J_NEWS_EVENTS container by giving the following details ...
... >>Deploy WAR files in the following order on middle tier: 1.Deploy the pwp.war file under OC4J_IC container by giving the following details Application Name : pwp Map to URL : /pwp 2.Deploy the news_events.war file under OC4J_NEWS_EVENTS container by giving the following details ...
4. Process
... – child is usually a copy of its parent – usually they continue in parallel Process ...
... – child is usually a copy of its parent – usually they continue in parallel Process ...
ppt - CSE Labs User Home Pages
... • network loss: IP datagram lost due to network congestion (router buffer overflow) • delay loss: IP datagram arrives too late for playout at receiver – delays: processing, queueing in network; end-system (sender, receiver) delays – typical maximum tolerable delay: 400 ms ...
... • network loss: IP datagram lost due to network congestion (router buffer overflow) • delay loss: IP datagram arrives too late for playout at receiver – delays: processing, queueing in network; end-system (sender, receiver) delays – typical maximum tolerable delay: 400 ms ...
Document
... • If you don’t have the file you want, query 7 of your partners. • If they don’t have it, they contact 7 of their partners, for a maximum hop count of 10. • Requests are flooded, but there is no tree ...
... • If you don’t have the file you want, query 7 of your partners. • If they don’t have it, they contact 7 of their partners, for a maximum hop count of 10. • Requests are flooded, but there is no tree ...
Slide 1
... Periodically each router tests the reachability of all directly-connected routers (i.e. tests whether each of its links is “up” or “down”) ...
... Periodically each router tests the reachability of all directly-connected routers (i.e. tests whether each of its links is “up” or “down”) ...
Secure Network Infrastructure
... The connection is private. Encryption is used after an initial handshake to define a secret key. Symmetric cryptography is used for data encryption (for example, DES and RC4). The peer’s identity can be authenticated using asymmetric, or public key, cryptography (for example, RSA and DSS). The ...
... The connection is private. Encryption is used after an initial handshake to define a secret key. Symmetric cryptography is used for data encryption (for example, DES and RC4). The peer’s identity can be authenticated using asymmetric, or public key, cryptography (for example, RSA and DSS). The ...
CMPT 880: Internet Architectures and Protocols
... lost packets (buffer overflow at routers) • more work (retransmissions) for given “goodput” long delays (queueing in router buffers) ...
... lost packets (buffer overflow at routers) • more work (retransmissions) for given “goodput” long delays (queueing in router buffers) ...
XSAN - MOVES Institute
... • “serverless backups”--just send command to copy blocks from disk A to disk B. Snapshots easier, shortened backup windows-you can have a SAN particpant handle moving a volume to tape ...
... • “serverless backups”--just send command to copy blocks from disk A to disk B. Snapshots easier, shortened backup windows-you can have a SAN particpant handle moving a volume to tape ...
An Inter-domain - Distributed Systems and Networks Lab
... assume that a wired connection costs much less than a wireless link. On the other hand, depending on the network conditions it is possible that wired connections between Internet gateways have different costs (based on throughput, loss rate, latency, etc.). Our approach uses the best route to a dest ...
... assume that a wired connection costs much less than a wireless link. On the other hand, depending on the network conditions it is possible that wired connections between Internet gateways have different costs (based on throughput, loss rate, latency, etc.). Our approach uses the best route to a dest ...
Today's Challenges in Lawful Interception
... few probes to be placed; low investment needed; Few space with access control requirements may be reserved anywhere in the network; tapping is quite simple; Reduced need of secure network connectivity between system elements; No peering traffic is lost. ...
... few probes to be placed; low investment needed; Few space with access control requirements may be reserved anywhere in the network; tapping is quite simple; Reduced need of secure network connectivity between system elements; No peering traffic is lost. ...
Fastpass
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution:the use of specialized hardware ...
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution:the use of specialized hardware ...
ch01_CE - SaigonTech
... • The Microsoft .NET computing model uses the Web to deliver applications and to enable applications on different devices running different operating environments to communicate and share data – Allows a device with a wireless interface to the Web to download and run applications directly – Allows a ...
... • The Microsoft .NET computing model uses the Web to deliver applications and to enable applications on different devices running different operating environments to communicate and share data – Allows a device with a wireless interface to the Web to download and run applications directly – Allows a ...
Lag
In online gaming, lag is a noticeable delay between the action of players and the reaction of the server. Although lag may be caused by high latency, it may also occur due to insufficient processing power in the client(Screen-lag). Screen-Lag can also happened in single player games as well.The tolerance for lag depends heavily on the type of game. For instance, a strategy game or a turn-based game with a low pace may have a high threshold or even be mostly unaffected by high delays, whereas a twitch gameplay game such as a first-person shooter with a considerably higher pace may require significantly lower delay to be able to provide satisfying gameplay. But, the specific characteristics of the game matter. For example, fast chess is a turn-based game that is fast action and may not tolerate high lag. And, some twitch games can be designed such that only events that don't impact the outcome of the game introduce lag, allowing for fast local response most of the time.