A typical example of service information is a set of so-called flags, which mark the packets as having special meaning to a TCP/IP stack, such as acknowledgement of successful packet receiving.

He responded, “When the ACKs themselves are lost, TCP may retransmit data that was actually already received. For example, in my 5-packet example above, if the ‘ack 5000’ the receiver sent ...

TCP with Packet Control was implemented in ns-2.26 (ns-2.1b10 for ... user defined duplicate ACK threshold when packet control is enabled. The following is a sample OTcl script you can use to enable ...

It’s hard to imagine now, but in the mid-1980s, the Internet came close to collapsing due to the number of users congesting ...

Once you filter on an IP address, you can then extract just the TCP packets directed to and from that IP address. For this example, I used the filter ip.addr==192.168.250.102 and clicked Apply.

It is sometimes useful to know the network commands to analyze or configure your TCP/IP networks. Here is the list of commands ... to generate network load by specifying the size of the packet with ...

or TCP packets inside IP packets. The IP header that precedes the UDP or TCP packet consists of control fields followed by the source address and destination address, followed by more control fields.

In some recent newsletters, we discussed the inefficiencies caused by the way that typical legacy protocols would “Go-Back-N” whenever there was a lost packet or a packet was received in which ...

Too clever by half, perhaps –TCP RESET has several drawbacks. First, a cyber attacker can cause a “self-inflicted DoS attack” by flooding your network with thousands of offending packets.