S_V07 - Raadio- ja sidetehnika instituut
... • Wasted bandwidth: retransmission of dropped packets • Poor user service : unpredictable delay, low user goodput • Increased load can even result in lower network goodput – Switched nets: packet losses create lots of retransmissions ...
... • Wasted bandwidth: retransmission of dropped packets • Poor user service : unpredictable delay, low user goodput • Increased load can even result in lower network goodput – Switched nets: packet losses create lots of retransmissions ...
Packet Filtering
... STATE = NEW | ESTABLISHED | RELATED | … ACTION = DROP | ACCEPT | REJECT | DNAT | ...
... STATE = NEW | ESTABLISHED | RELATED | … ACTION = DROP | ACCEPT | REJECT | DNAT | ...
Week13_2
... hold back at the same time, i.e., when the router starts to drop packets. Then they will start in increase at the same time. • Global synchronization is not good because it puts more pressure on the router buffers. – If not synchronized, the buffer size needs to prepare for the average case. If sync ...
... hold back at the same time, i.e., when the router starts to drop packets. Then they will start in increase at the same time. • Global synchronization is not good because it puts more pressure on the router buffers. – If not synchronized, the buffer size needs to prepare for the average case. If sync ...
Chapter 1 Introduction
... heterogeneous networks can communicate. • The two most know standards: – OSI model: defines a seven layer network. – Internet model: defines a five layer network. ...
... heterogeneous networks can communicate. • The two most know standards: – OSI model: defines a seven layer network. – Internet model: defines a five layer network. ...
summary notes basic 6 (term 2)
... considerable savings compared to buying individual licensed copies. Its allows easier upgrading of the program. 6. Security. Files and programs on a network are more secure as the users do not have to worry about illegal copying of programs. Passwords can be applied for specific directories to restr ...
... considerable savings compared to buying individual licensed copies. Its allows easier upgrading of the program. 6. Security. Files and programs on a network are more secure as the users do not have to worry about illegal copying of programs. Passwords can be applied for specific directories to restr ...
Part I: Introduction
... relationship of complex system’s pieces m layered reference model for discussion r modularization eases maintenance, updating of system m change of implementation of layer’s service transparent to rest of system m e.g., change in gate procedure doesn’t affect rest of system r layering considered har ...
... relationship of complex system’s pieces m layered reference model for discussion r modularization eases maintenance, updating of system m change of implementation of layer’s service transparent to rest of system m e.g., change in gate procedure doesn’t affect rest of system r layering considered har ...
Presentation
... With municipal condominium fiber builds multiple carriers share in the cost of fiber build out to neighbourhood nodes serving ...
... With municipal condominium fiber builds multiple carriers share in the cost of fiber build out to neighbourhood nodes serving ...
The role of Software Defined Networking in Wireless Mesh
... every nodes. This becomes an issue in WMN. On the one hand, management packet are more in mesh network topology than other network, because each node has direct access to other nodes. One the other hand, Wireless network deliver less bandwidths than the wired network. Thus, network failures and pack ...
... every nodes. This becomes an issue in WMN. On the one hand, management packet are more in mesh network topology than other network, because each node has direct access to other nodes. One the other hand, Wireless network deliver less bandwidths than the wired network. Thus, network failures and pack ...
IP
Addressing
and
Forwarding
... • IdenPfy the mask automaPcally from the address – First bit of 0: class A address (/8) – First two bits of 10: class B address (/16) – First three bits of 110: class C address (/24) ...
... • IdenPfy the mask automaPcally from the address – First bit of 0: class A address (/8) – First two bits of 10: class B address (/16) – First three bits of 110: class C address (/24) ...
Document
... then the station must additionally wait a random back-off time (collision avoidance, multiple of slot-time) – if another station occupies the medium during the back-off time of the station, the back-off timer stops (fairness) ...
... then the station must additionally wait a random back-off time (collision avoidance, multiple of slot-time) – if another station occupies the medium during the back-off time of the station, the back-off timer stops (fairness) ...
The Transport Layer: TCP and UDP
... Part 1: Firewalls TCP/IP architecture separates hosts and routers network = packet transportation only private networks may want more protection “access control” ...
... Part 1: Firewalls TCP/IP architecture separates hosts and routers network = packet transportation only private networks may want more protection “access control” ...
IEEE 1905.1
... More robust home networks increase consumer confidence. Example Use Case A service provide is concerned with the amount of time and money spent troubleshooting. ...
... More robust home networks increase consumer confidence. Example Use Case A service provide is concerned with the amount of time and money spent troubleshooting. ...
“Practical Theory” Papers
... the “best” choice can be misguided, and even lead to instability. Instead, selecting the best of two randomly-chosen options is a better approach. Over the years, I have found both of these papers very helpful in thinking about how to make load-sensitive routing stable and efficient. ...
... the “best” choice can be misguided, and even lead to instability. Instead, selecting the best of two randomly-chosen options is a better approach. Over the years, I have found both of these papers very helpful in thinking about how to make load-sensitive routing stable and efficient. ...
Powerpoint format - Department of Computer and Information
... relationship of complex system’s pieces layered reference model for discussion modularization eases maintenance, updating of system change of implementation of layer’s service transparent to rest of system e.g., change in gate procedure doesn’t affect rest of system ...
... relationship of complex system’s pieces layered reference model for discussion modularization eases maintenance, updating of system change of implementation of layer’s service transparent to rest of system e.g., change in gate procedure doesn’t affect rest of system ...
OSI Model - Pioneer Student
... Bridgesconnect different types of networks (token ring, Ethernet, etc.), filter network traffic based on MAC address, and remove errors from the network. Use them to connect different types of internal networks. Switches, also known as Multiport Bridges, transfer data between different ports based o ...
... Bridgesconnect different types of networks (token ring, Ethernet, etc.), filter network traffic based on MAC address, and remove errors from the network. Use them to connect different types of internal networks. Switches, also known as Multiport Bridges, transfer data between different ports based o ...
module4.1
... • To ensure confidentiality, a simple scheme is to let all group members share the same secret key, which is used to encrypt and decrypt all messages transmitted between group members. • Because the secret key in this scheme is shared by all members, it is necessary that all members are trusted to i ...
... • To ensure confidentiality, a simple scheme is to let all group members share the same secret key, which is used to encrypt and decrypt all messages transmitted between group members. • Because the secret key in this scheme is shared by all members, it is necessary that all members are trusted to i ...
Chapter 5
... Describe port scanning Describe different types of port scans Describe various port-scanning tools Explain what ping sweeps are used for Explain how shell scripting is used to automate security tasks ...
... Describe port scanning Describe different types of port scans Describe various port-scanning tools Explain what ping sweeps are used for Explain how shell scripting is used to automate security tasks ...
ppt
... 1) A site (target) selects a number of SOS nodes to act as secret servlets; that is, nodes that are allowed to forward traffic to that site. Routers in the perimeter of the site are instructed to only allow traffic from these servlets to reach the internal of the site’s network. 2) When an SOS node ...
... 1) A site (target) selects a number of SOS nodes to act as secret servlets; that is, nodes that are allowed to forward traffic to that site. Routers in the perimeter of the site are instructed to only allow traffic from these servlets to reach the internal of the site’s network. 2) When an SOS node ...
Product Brochure
... TLC system while providing many new features. The TLX400 is a simple cost effective solution for system expansion and development. As with all ELPRO products, the TLX400 is backed by ELPRO’s industry leading Lifetime Warranty. ...
... TLC system while providing many new features. The TLX400 is a simple cost effective solution for system expansion and development. As with all ELPRO products, the TLX400 is backed by ELPRO’s industry leading Lifetime Warranty. ...
IC3: Network Security _______________ Firewalls
... Firewalls typically defend a protected network against an attacker, who tries to access vulnerable services which should not be available from outside the network eg: Microsoft Exchange server running SMTP ...
... Firewalls typically defend a protected network against an attacker, who tries to access vulnerable services which should not be available from outside the network eg: Microsoft Exchange server running SMTP ...
ppt - Zoo
... How does an Application Access the Transport Service? API: application programming interface Defines interface between application and transport layer Multiple APIs proposed in history ...
... How does an Application Access the Transport Service? API: application programming interface Defines interface between application and transport layer Multiple APIs proposed in history ...