osi

OSI model - What's the presentation and session layer for?

So I feel I pretty well understand the application layer, and everything below (and including) the transport layer. The session and presentation layers, though, I don't fully understand. I've read the simplistic descriptions in Wikipedia, but it doesn't have an example of why separating out those layers is useful. So: What is the se...

Looking for OSS for OSI Layer 2 Traffic Generator

I am looking for layer 2 traffic generator [open source]. Some OSS using winpcap or libpcap. Thanks a lot. ...

What is the Main Job of Logical Link Layer in Layer 2.

I am curious to know what Logical Link Layer Does. what is its main significance. Is it part of Software ?. I am looking some detail's of LLC. Advance Thanks. ...

How Ethernet receives the bits and forms the Data Link Layer Frame.

I am curious to know how the incoming bits at the physical layer are properly framed and sent to the data link layer. How the OS deal with this process. It would be grateful if you explained it in detail or give me some links/pdf. I am interested to know in depth about Layer 1 and 2 operations. Advance Thanks. ...

Practical implications of OSI vs TCP/IP networking.

Hi. I'm supposed to be setting up a 'geolocation based', ipv6, wireless mesh network to run on google android. I found what seems to be a good app to support the meshing: http://www.open-mesh.net/wiki/batman-adv "Batman-advanced is a new approach to wireless networking which does no longer operate on the IP basis. Unlike B....

tco/ip,osi model,socket programming, networking

Hi experts, can anybody give me the names of best books(writer names also) on 1.tcp/ip 2.osi model 3.socket programming and a good book of networking? ...

Access data passing through the networkcard using C++

Hi, Is there a way to control the data coming from the internet from specific address through the network card before it received by the kernel of the operating system using C++ or any language? In another word, Is there a way to access OSI Seven Layer Model using C++ to control the data passing through any layer of the seven layer or ...

risk related to using winPcap in place of socket

What I have read so far, winPcap allows you to bypass OS and bypass application and transport layer processing for TCP and provides direct access to the link layer. I am planning to use winpcap to do some user application stuff and not just sniffing. I will be receiving and sending critical information using pcap which I am currently do...

Java OSI Transport Layer

I'm working on a project where I need to communicate with a device using the transport layer. The network connection will be OSI/CLNS over IP. I could be wrong, but I don't believe I can use sockets for this type of connection. I'm looking for examples on how to create an application that can communicate over the transport layer (eit...