Overview of VoIP - ITU
... – Call transfer, call on hold, caller ID, etc. Interworking between the traditional voice network and the IP network – Seamless services – Addressing, classification – Quality of service, MTBF, MTTR – Security and confidentiality Billing Operations and management ...
... – Call transfer, call on hold, caller ID, etc. Interworking between the traditional voice network and the IP network – Seamless services – Addressing, classification – Quality of service, MTBF, MTTR – Security and confidentiality Billing Operations and management ...
rural access in Nepal
... wireless bridges, access points, Wi-Fi networks can be one of cost-effective options Rural Digital Library aims to respond to demand for ICT services to rural communities. Grid of Wi-Fi links between rural areas eventually connecting to the national infrastructure. ...
... wireless bridges, access points, Wi-Fi networks can be one of cost-effective options Rural Digital Library aims to respond to demand for ICT services to rural communities. Grid of Wi-Fi links between rural areas eventually connecting to the national infrastructure. ...
You can them from here
... Takes place at OSI layers 1 and 2 Built into 802.11 Requires minimal configuration to bootstrap a network Nodes can move around while maintaining connectivity Nodes can relay traffic to extend range Any wi-fi enabled device can do it ...
... Takes place at OSI layers 1 and 2 Built into 802.11 Requires minimal configuration to bootstrap a network Nodes can move around while maintaining connectivity Nodes can relay traffic to extend range Any wi-fi enabled device can do it ...
All IP 3G Movements 3GPP Network Architecture 3GPP2 Network
... R’00 all IP core network shall allow implementations having a CS and a PS domain, that are separated like both these domains in the R’99 architecture. This implementation allows the two domains to evolve independently, e.g. to combine an all IP R’00 PS domain with a STM based R’99 CS domain. Furth ...
... R’00 all IP core network shall allow implementations having a CS and a PS domain, that are separated like both these domains in the R’99 architecture. This implementation allows the two domains to evolve independently, e.g. to combine an all IP R’00 PS domain with a STM based R’99 CS domain. Furth ...
Overview and History - University of Liverpool
... today, but this uses a 32-bit number to specify addresses. • IPv4 provides around 4.29 billion (i.e. 4.29 x 109) addresses. • The Internet Assigned Numbers Authority exhausted their allocated addresses on February 3, 2011, and the Asia-Pacific Network Information Centre (regional internet registry) ...
... today, but this uses a 32-bit number to specify addresses. • IPv4 provides around 4.29 billion (i.e. 4.29 x 109) addresses. • The Internet Assigned Numbers Authority exhausted their allocated addresses on February 3, 2011, and the Asia-Pacific Network Information Centre (regional internet registry) ...
View File - University of Engineering and Technology, Taxila
... attacks. Therefore, a more ambitious goal for ad hoc network security is to develop a multi-fence security solution that is embedded into possibly every component in the network, resulting in in-depth protection that offers multiple lines of defense against many both known and unknown security threa ...
... attacks. Therefore, a more ambitious goal for ad hoc network security is to develop a multi-fence security solution that is embedded into possibly every component in the network, resulting in in-depth protection that offers multiple lines of defense against many both known and unknown security threa ...
8 - 1
... – Strip off the header and trailer of the incoming L2 frame – Examine the destination address of the network layer – Build a new frame around the packet – Choose the “best” route for a packet (via routing tables) ...
... – Strip off the header and trailer of the incoming L2 frame – Examine the destination address of the network layer – Build a new frame around the packet – Choose the “best” route for a packet (via routing tables) ...
PDF
... devices. It is possible that, for two packet data flows, the packets may traverse completely different paths even though their originating node and the final destination node are the same. This way, the lessexposed or less-used network segments can be used and differentiated services can be provided ...
... devices. It is possible that, for two packet data flows, the packets may traverse completely different paths even though their originating node and the final destination node are the same. This way, the lessexposed or less-used network segments can be used and differentiated services can be provided ...
OneController⢠- Extreme Networks
... ability to, in real time, distinguish certain types of traffic then dynamically classify it based on host, OS, application, or end-user. Two common methods for engineering traffic are QoS modifications and traffic steering. • Learn more about how Extreme Networks is fueling Innovation with SDN: www ...
... ability to, in real time, distinguish certain types of traffic then dynamically classify it based on host, OS, application, or end-user. Two common methods for engineering traffic are QoS modifications and traffic steering. • Learn more about how Extreme Networks is fueling Innovation with SDN: www ...
Document
... • Message will be sent from the source to the destination. • Message “M” is transferred from layer 5 to layer 4, with a header containing control information, such as sequence numbers, which helps layer 4 maintain the message order. • Layer 3 break the message from layer 4 into two pieces to fit the ...
... • Message will be sent from the source to the destination. • Message “M” is transferred from layer 5 to layer 4, with a header containing control information, such as sequence numbers, which helps layer 4 maintain the message order. • Layer 3 break the message from layer 4 into two pieces to fit the ...
Document
... Scalability DCs can be physically replicated Test - 8,000 IP addresses for 34 hours – 47 million packets, 21,000 DNS requests, 150,000 TCP connections – Peak: only 200 requests/sec on DC • Test DC can handle 40x this traffic ...
... Scalability DCs can be physically replicated Test - 8,000 IP addresses for 34 hours – 47 million packets, 21,000 DNS requests, 150,000 TCP connections – Peak: only 200 requests/sec on DC • Test DC can handle 40x this traffic ...
TCP/IP for Security Administrators
... TTL: max. hops through network (decremented by routers); usually 32 next protocol: TCP, 6 | UDP, 17 | ICMP, 1 | IPsec AH, 51 | IPsec ESP, 50 header checksum: 16-bit one’s compliment of sum ...
... TTL: max. hops through network (decremented by routers); usually 32 next protocol: TCP, 6 | UDP, 17 | ICMP, 1 | IPsec AH, 51 | IPsec ESP, 50 header checksum: 16-bit one’s compliment of sum ...
Security Risks
... • Firewall default configuration – Blocks most common security threats – Preconfigured to accept and deny certain traffic types – Network administrators often customize settings ...
... • Firewall default configuration – Blocks most common security threats – Preconfigured to accept and deny certain traffic types – Network administrators often customize settings ...
LAN / WAN / Extranet และ Network Topology แบบต่าง ๆ
... Forms an electronic data communication bridge called a ...
... Forms an electronic data communication bridge called a ...
Design and performance evaluation of an improved TCP congestion
... A measured RTT can be divided into four parts: The forward fixed delay (i.e. propagation delay and ...
... A measured RTT can be divided into four parts: The forward fixed delay (i.e. propagation delay and ...
ppt
... – Example: a /30 network may have bit more traffic than /31 it covers, but not much • Reporting the /30 adds nothing to the report ...
... – Example: a /30 network may have bit more traffic than /31 it covers, but not much • Reporting the /30 adds nothing to the report ...
Analysis of Attack - FSU Computer Science
... developer hooks into the system, allowed programmers to examine operations inside the code Other term refers to gaining access to a network and inserting a program that creates an entrance for an attacker Back Orifice and NetBus are common tools to ...
... developer hooks into the system, allowed programmers to examine operations inside the code Other term refers to gaining access to a network and inserting a program that creates an entrance for an attacker Back Orifice and NetBus are common tools to ...
Network Devices - Eastern Oregon University
... Do error checking on each frame after the entire frame has arrived into the switch If the error checking algorithm determines there is no error, the switch looks in its MAC address table for the port to which to forward the destination device Highly reliable because doesn’t forward bad frames Slower ...
... Do error checking on each frame after the entire frame has arrived into the switch If the error checking algorithm determines there is no error, the switch looks in its MAC address table for the port to which to forward the destination device Highly reliable because doesn’t forward bad frames Slower ...
Heather Ames Chuan-Heng Chsiao Chaitanya Sai Gaddam 13
... companies, has made the issue of data privacy and tampering a critical one. Attempts to remotely connect to computers or networks to gain illegal access to such data are labeled intrusion attempts. Automated early detection of such behavior can greatly help network administrators in safeguarding sys ...
... companies, has made the issue of data privacy and tampering a critical one. Attempts to remotely connect to computers or networks to gain illegal access to such data are labeled intrusion attempts. Automated early detection of such behavior can greatly help network administrators in safeguarding sys ...
VeriFlow: Verifying Network- Wide Invariants in Real Time
... Unified analysis for multiple control-plane protocols Catch control-plane implementation bugs ...
... Unified analysis for multiple control-plane protocols Catch control-plane implementation bugs ...
A Novel Approach for Secure Data Transmission and Clustering based Energy
... managing these huge numbers of sensors is major issue. Clustering is one solution to this problem. Clusters can be formed based on many criteria such as number, type of sensors, geographical location and communication range. For many of the sensor network applications, Security is one of the most im ...
... managing these huge numbers of sensors is major issue. Clustering is one solution to this problem. Clusters can be formed based on many criteria such as number, type of sensors, geographical location and communication range. For many of the sensor network applications, Security is one of the most im ...
Loc TEM
... • Unnecessary power resource is consumed when there are no packets to transmit • Increase in uplink noise rise • Maintaining a dedicated downlink channel for each uplink channel will worsen the code shortage problem – Preamble transmission using DPCCH before packet data transmission ...
... • Unnecessary power resource is consumed when there are no packets to transmit • Increase in uplink noise rise • Maintaining a dedicated downlink channel for each uplink channel will worsen the code shortage problem – Preamble transmission using DPCCH before packet data transmission ...
6 - University of South Florida St. Petersburg
... Three subsets of packet filtering firewalls: Static filtering: requires that filtering rules governing how the firewall decides which packets are allowed and which are denied are developed and installed Dynamic filtering: allows firewall to react to emergent event and update or create rules to ...
... Three subsets of packet filtering firewalls: Static filtering: requires that filtering rules governing how the firewall decides which packets are allowed and which are denied are developed and installed Dynamic filtering: allows firewall to react to emergent event and update or create rules to ...
What is a Firewall
... •A firewall can be implemented in one of several ways -the choice depends on details such as the number of external connections •In many cases, each barrier in a firewall is implemented with a router that contains a packet filter •A firewall can also use a stub network to keep external traffic off n ...
... •A firewall can be implemented in one of several ways -the choice depends on details such as the number of external connections •In many cases, each barrier in a firewall is implemented with a router that contains a packet filter •A firewall can also use a stub network to keep external traffic off n ...