PowerPoint XP
... • A receiver acknowledges if a packet is received properly • A sender resends the same message after not hearing the acknowledgment for some time (a timeout period) ...
... • A receiver acknowledges if a packet is received properly • A sender resends the same message after not hearing the acknowledgment for some time (a timeout period) ...
Network
... into fixed-length packets which are sent to the destination. Each packet may take a different path through the network. The packets must be reassembled into messages as they arrive. ...
... into fixed-length packets which are sent to the destination. Each packet may take a different path through the network. The packets must be reassembled into messages as they arrive. ...
UNIX Networking
... Basic Networking Concepts: Identifying Computers Each computer in network has a host name and IP address • a host name may be simple, e.g., sodapop,or a Fully Qualified ...
... Basic Networking Concepts: Identifying Computers Each computer in network has a host name and IP address • a host name may be simple, e.g., sodapop,or a Fully Qualified ...
CSE524: Lecture 2
... – Goal: run protocols over packet satellite net, packet radio net, and wired ARPANET – Problems • NCP can only address networks connected to IMPs on ARPANET • NCP relied on ARPANET for end2end reliability • NCP assumed no packet loss: applications halt upon loss • NCP had no end-end host error contr ...
... – Goal: run protocols over packet satellite net, packet radio net, and wired ARPANET – Problems • NCP can only address networks connected to IMPs on ARPANET • NCP relied on ARPANET for end2end reliability • NCP assumed no packet loss: applications halt upon loss • NCP had no end-end host error contr ...
UPnP & DLNA
... • The two most common reasons for delivery failures – Link transmission failures – Queue congestion at the receiver ...
... • The two most common reasons for delivery failures – Link transmission failures – Queue congestion at the receiver ...
Presentación de PowerPoint
... Applications need to identify multiple requests coming from the same user during the same session ...
... Applications need to identify multiple requests coming from the same user during the same session ...
Lecture 9: Communication Security
... o Host-to-Gateway Architecture. Commonly used to provide secure remote access. The organization deploys a VPN gateway onto its network; each remote access user then establishes a VPN connection between the local computer (host) and the VPN gateway. As with the gateway-to-gateway model, the VPN gatew ...
... o Host-to-Gateway Architecture. Commonly used to provide secure remote access. The organization deploys a VPN gateway onto its network; each remote access user then establishes a VPN connection between the local computer (host) and the VPN gateway. As with the gateway-to-gateway model, the VPN gatew ...
Wireless Data Communication
... User agent: An application program which initiates SIP requests (User agent client) and also acts upon (accepts, rejects or re-directs) incoming SIP requests (User agent server) Location server provides SIP redirect or proxy servers information about a callee's possible location(s). Proxy server tak ...
... User agent: An application program which initiates SIP requests (User agent client) and also acts upon (accepts, rejects or re-directs) incoming SIP requests (User agent server) Location server provides SIP redirect or proxy servers information about a callee's possible location(s). Proxy server tak ...
CS335 Networking & Network Administration
... Packet switches send each other routing info Distance vector routing – packet switch sends routing info across network and updates routes based on distance vector algorithm (13.2 in book) Link state routing (known as SPF - Shortest path first) ...
... Packet switches send each other routing info Distance vector routing – packet switch sends routing info across network and updates routes based on distance vector algorithm (13.2 in book) Link state routing (known as SPF - Shortest path first) ...
Servlet.ppt - Southern Methodist University
... • Web server can use this data to generate dynamic content (Response) • Web server isn’t just serving up static content anymore – may be taking request params and accessing a database or other service to generate content for the user. ...
... • Web server can use this data to generate dynamic content (Response) • Web server isn’t just serving up static content anymore – may be taking request params and accessing a database or other service to generate content for the user. ...
行動多媒體通訊標準參考模式(Reference Models)
... – The MH reregisters its new IP address with its home (e.g. the redirect or SIP server) by sending a REGISTER message. • Mid-call mobility – Terminal mobility requires SIP to establish connection in the middle of a session. – The terminal need to intimate the CH by sending an INVITE message about th ...
... – The MH reregisters its new IP address with its home (e.g. the redirect or SIP server) by sending a REGISTER message. • Mid-call mobility – Terminal mobility requires SIP to establish connection in the middle of a session. – The terminal need to intimate the CH by sending an INVITE message about th ...
CS315-L03-NetworkProtocols
... o Traceroute attempts to measure delay from source to each router along an Internet path towards destination. o ...
... o Traceroute attempts to measure delay from source to each router along an Internet path towards destination. o ...
Slide 1
... abort purchase but chooses to proceed User clicks on “submit” button Client sends all three cookies Form data ...
... abort purchase but chooses to proceed User clicks on “submit” button Client sends all three cookies Form data ...
Microsoft Lync SIP Trunking with Lync
... SIP Trunking enables an enterprise to communicate with internal and external users over IP, including calls to traditional PSTN networks. Utilizing the SIP protocol provides a platform for future delivery of other real time communication modalities. ...
... SIP Trunking enables an enterprise to communicate with internal and external users over IP, including calls to traditional PSTN networks. Utilizing the SIP protocol provides a platform for future delivery of other real time communication modalities. ...
2. Poison Message Failure Propagation Problem
... • Assume a link box can be put at each link of the network that can be configured to block certain message types or all messages belonging to a protocol. The link box can also record the recent communication history (messages exchanged). • Passive diagnosis:- Finite State Machine Method: Analyze pro ...
... • Assume a link box can be put at each link of the network that can be configured to block certain message types or all messages belonging to a protocol. The link box can also record the recent communication history (messages exchanged). • Passive diagnosis:- Finite State Machine Method: Analyze pro ...
Chapter 8 Internet Protocols
... network from the point of view of the rest of internet • Each subnet is assigned a subnet number • Host portion of address partitioned into subnet number and host number • Local routers route within subnetted network • Subnet mask indicates which bits are network/subnet number and which are host num ...
... network from the point of view of the rest of internet • Each subnet is assigned a subnet number • Host portion of address partitioned into subnet number and host number • Local routers route within subnetted network • Subnet mask indicates which bits are network/subnet number and which are host num ...
Network Operating Systems (1)
... Objective: Open the BIOS setup program on a computer. Description: Start the BIOS setup program so that you know where to set the disk boot priority on a computer. If your computer does not display a key combination for the BIOS setup on the first screens presented, you may have to consult the user' ...
... Objective: Open the BIOS setup program on a computer. Description: Start the BIOS setup program so that you know where to set the disk boot priority on a computer. If your computer does not display a key combination for the BIOS setup on the first screens presented, you may have to consult the user' ...
Ensuring Service Quality While Increasing Revenue
... Data Segmentation • Network-wide assessment is not sufficient for specific SLAs • Data segmentation is a mandatory requirement – Per network segment or component – Per interconnect point – Per customer (typically large enterprise) ...
... Data Segmentation • Network-wide assessment is not sufficient for specific SLAs • Data segmentation is a mandatory requirement – Per network segment or component – Per interconnect point – Per customer (typically large enterprise) ...
Exact Time Speaking System
... IMG95 has 120 VoIP channels supporting G.711 and G.729 codecs, and a large number of VQE (Voice Quality Enhancement) functions. The paper presents a description of ETS functions, benefits over the previous solution and first exploitation experiences. II. ETS FUNCTIONS The basic IMG95 function is to ...
... IMG95 has 120 VoIP channels supporting G.711 and G.729 codecs, and a large number of VQE (Voice Quality Enhancement) functions. The paper presents a description of ETS functions, benefits over the previous solution and first exploitation experiences. II. ETS FUNCTIONS The basic IMG95 function is to ...
SSL and IPSec
... SSL • Transport layer security – Provides confidentiality, integrity, authentication of endpoints – Developed by Netscape for WWW browsers and servers ...
... SSL • Transport layer security – Provides confidentiality, integrity, authentication of endpoints – Developed by Netscape for WWW browsers and servers ...
data sheet
... broadband access networks. The EdgeMarc 4700 series combines advanced real-time, high availability, management, networking, security features, and capabilities for voice and data services into a single, easy to use enterprise session border controller. The EdgeMarc 4700 and EdgeMarc 4750 delivers su ...
... broadband access networks. The EdgeMarc 4700 series combines advanced real-time, high availability, management, networking, security features, and capabilities for voice and data services into a single, easy to use enterprise session border controller. The EdgeMarc 4700 and EdgeMarc 4750 delivers su ...
presentation
... • Networks of similar machines. Requires only one version of executables. Heterogeneous networks ...
... • Networks of similar machines. Requires only one version of executables. Heterogeneous networks ...