chapter2
... guarantees delivery? Are your packets “individual” and so can arrive in any order or possibly even not at all? Example: Suppose you plan to send a single packet and get a single reply? ...
... guarantees delivery? Are your packets “individual” and so can arrive in any order or possibly even not at all? Example: Suppose you plan to send a single packet and get a single reply? ...
CEG3185 Tutorial 4
... network. Once so "plugged in", the programs so connected communicate. y Network communication can be done by exchanging some data through transmitting that data in a message between a socket in one process and another socket in another process. y When messages are sent, the messages are queued at th ...
... network. Once so "plugged in", the programs so connected communicate. y Network communication can be done by exchanging some data through transmitting that data in a message between a socket in one process and another socket in another process. y When messages are sent, the messages are queued at th ...
Mobile IP
... mobile computer. Client applications then interacts directly with the local copy of the RDA If cached RDO is updated it can be tentatively considered the primary copy and is exported back to the fixed network Advantages: Performance (under weak connectivity) and functionality (under disconnectio ...
... mobile computer. Client applications then interacts directly with the local copy of the RDA If cached RDO is updated it can be tentatively considered the primary copy and is exported back to the fixed network Advantages: Performance (under weak connectivity) and functionality (under disconnectio ...
Systems Programming 8 (Connection
... Assign file descriptor (fd) to port for listening Wait for connection request on that fd Return communication file descriptor when request comes Handles connection by reading or writing, using the ...
... Assign file descriptor (fd) to port for listening Wait for connection request on that fd Return communication file descriptor when request comes Handles connection by reading or writing, using the ...
Ch04 : Simple Network Troubleshooting
... With Linux, the telnet command will abort the attempted connection after waiting a predetermined time for a response. This is called a timeout. In some cases, telnet won't abort, but will just wait indefinitely. This is also known as hanging. These symptoms can be caused by the one of the following ...
... With Linux, the telnet command will abort the attempted connection after waiting a predetermined time for a response. This is called a timeout. In some cases, telnet won't abort, but will just wait indefinitely. This is also known as hanging. These symptoms can be caused by the one of the following ...
3rd Edition: Chapter 2 - Universidad de Sevilla
... … if there’s no entry in the cache: The DNS service sends a DNS REQUEST (DNS_PDU) to the DNS Server IP address configured on the host (at least one is usually configured) and wait for the DNS REPLY (another type of DNS_PDU) from the DNS Server it was requested. The reply is then added to the cac ...
... … if there’s no entry in the cache: The DNS service sends a DNS REQUEST (DNS_PDU) to the DNS Server IP address configured on the host (at least one is usually configured) and wait for the DNS REPLY (another type of DNS_PDU) from the DNS Server it was requested. The reply is then added to the cac ...
Chapter 2: Application layer
... Object can be HTML file, JPEG image, Java applet, audio file,… Web page typically consists of base HTML-file which includes several referenced objects Each object is addressable by a URL ...
... Object can be HTML file, JPEG image, Java applet, audio file,… Web page typically consists of base HTML-file which includes several referenced objects Each object is addressable by a URL ...
Step 5 - Ning.com
... The S-CSCF checks the iFC conditions. If any of them match, the S-CSCF contact by order the ASs. Each AS returns a result in the body of the SIP 200 OK message. Then the S-CSCF is able to generate the answer according to the result it receives from ASs. Based on iFC, the S-CSCF sends the REGISTER me ...
... The S-CSCF checks the iFC conditions. If any of them match, the S-CSCF contact by order the ASs. Each AS returns a result in the body of the SIP 200 OK message. Then the S-CSCF is able to generate the answer according to the result it receives from ASs. Based on iFC, the S-CSCF sends the REGISTER me ...
The Token Based Switch: per-packet access authorisation to optical shortcuts
... The Fairly Fast Packet Filter (FFPF) is a flexible soft- token key (K) from a local KeysTable by looking up an agware framework designed for high-speed packet process- gregation identifier (e.g., a flow identified by the IP source ing. FFPF supports both commodity PCs and IXP net- address and/or IP ...
... The Fairly Fast Packet Filter (FFPF) is a flexible soft- token key (K) from a local KeysTable by looking up an agware framework designed for high-speed packet process- gregation identifier (e.g., a flow identified by the IP source ing. FFPF supports both commodity PCs and IXP net- address and/or IP ...
Chapter8 Phase3: Gaining Access Using Network Attacks
... Attacker interacts with targeted trusting server to determine predictability of initial sequence number Attacker launches a denial-of-service attack (eg. SYN flood or smurf attack) against trusted system to force it not to respond to a spoofed TCP connection Attacker rsh to targeted trusting server ...
... Attacker interacts with targeted trusting server to determine predictability of initial sequence number Attacker launches a denial-of-service attack (eg. SYN flood or smurf attack) against trusted system to force it not to respond to a spoofed TCP connection Attacker rsh to targeted trusting server ...
BootP and DHCP
... If a gateway does decide to forward the request, it should look at the 'giaddr' (gateway IP address) field. If zero, it should plug its own IP address (on the receiving cable) into this field. It may also use the 'hops' field to optionally control how far the packet is reforwarded. Hops should be in ...
... If a gateway does decide to forward the request, it should look at the 'giaddr' (gateway IP address) field. If zero, it should plug its own IP address (on the receiving cable) into this field. It may also use the 'hops' field to optionally control how far the packet is reforwarded. Hops should be in ...
Java – Secure Application Manager How-to
... Remote users can use the Citrix Web Interface for MetaFrame server to access a variety of applications via the IVE. This process does not require any alterations to the user permissions on the client. After a user browses to a Citrix Web Interface for MetaFrame server and selects an application, the ...
... Remote users can use the Citrix Web Interface for MetaFrame server to access a variety of applications via the IVE. This process does not require any alterations to the user permissions on the client. After a user browses to a Citrix Web Interface for MetaFrame server and selects an application, the ...
Intro to ATM - CS Course Webpages
... • LECs can communicate directly with each other only when they are connected to the same LES • Multiple LESs on the same physical ATM LAN ...
... • LECs can communicate directly with each other only when they are connected to the same LES • Multiple LESs on the same physical ATM LAN ...
Autonomic Response to Distributed Denial of Service Attacks*
... This continues until either the attack is traced back to the source of the attack or to the edge of the CITRA system. This technique is immune to address spoofing because it relies on empirical (audit) data rather than the contents of IP source address fields to determine whether a boundary controller ...
... This continues until either the attack is traced back to the source of the attack or to the edge of the CITRA system. This technique is immune to address spoofing because it relies on empirical (audit) data rather than the contents of IP source address fields to determine whether a boundary controller ...
Chapter 2 Lecture Presentation
... HTTP assumes messages can be exchanged directly between HTTP client and HTTP server In fact, HTTP client and server are processes running in two different machines across the Internet HTTP uses the reliable stream transfer service provided by TCP ...
... HTTP assumes messages can be exchanged directly between HTTP client and HTTP server In fact, HTTP client and server are processes running in two different machines across the Internet HTTP uses the reliable stream transfer service provided by TCP ...
LDAP- Lightweight Directory Access Protocol
... It was given its lightweight name because it can be easily implemented over the internet due to its lightweight bandwidth usage. ...
... It was given its lightweight name because it can be easily implemented over the internet due to its lightweight bandwidth usage. ...
Part 1 - CSE Labs User Home Pages
... Each end-end “data stream” divided into packets • users A, B packets share network resources • each packet uses full link bandwidth • resources used as needed Bandwidth division into “pieces” Dedicated allocation Resource reservation CSci4211: ...
... Each end-end “data stream” divided into packets • users A, B packets share network resources • each packet uses full link bandwidth • resources used as needed Bandwidth division into “pieces” Dedicated allocation Resource reservation CSci4211: ...
Chapter9 (ICMP)
... The identifier field defines a group of problems ex) process ID that originated the request ...
... The identifier field defines a group of problems ex) process ID that originated the request ...
DHCP for Wireless Ad
... Every node in the network can reach the Access Point Either directly or through multiple hops ...
... Every node in the network can reach the Access Point Either directly or through multiple hops ...
CCNA2 3.1-08 TCPIP Suite Error and Control Messages
... – The interface on which the packet comes into the router is the same interface on which the packet gets routed out. – The subnet/network of the source IP address is the same subnet/network of the next-hop IP address of the routed packet. – The datagram is not source-routed. – The route for the redi ...
... – The interface on which the packet comes into the router is the same interface on which the packet gets routed out. – The subnet/network of the source IP address is the same subnet/network of the next-hop IP address of the routed packet. – The datagram is not source-routed. – The route for the redi ...
Chap-18 Telnet
... Some options require additional information. The client and server agree through a process called suboption negotiation. ...
... Some options require additional information. The client and server agree through a process called suboption negotiation. ...
Secure Network Infrastructure
... optional and not often used Many application protocols incorporate their own client authentication mechanism such as username/password or S/Key These authentication mechanisms are more secure when run over SSL ...
... optional and not often used Many application protocols incorporate their own client authentication mechanism such as username/password or S/Key These authentication mechanisms are more secure when run over SSL ...