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1
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2answers
53 views

Weird TCP ports open on remote host, Apple Airport Extreme, my network only

I'm getting strange results for open ports on internet hosts on my network. I suspect some kind of weird router behavior, but I can't really figure out what it is. NMAP from my workstation (on my ...
0
votes
0answers
42 views

Rate Based Satellite Control Protocol [closed]

Has anyone ever experimented with Cisco's RBSCP? Rate Based Satellite Control Protocol There is very little blogs and POC's using this GRE protocol and I am curious if anyone has come across it. ...
2
votes
2answers
94 views

How do the Application, Presentation and Session layers of the OSI model map to TCP/IP's Application Layer and vice versa?

I need to map TCP/IP protocols to the OSI model for some university test revision I am doing. I was wondering if it is generally acceptable to assume any OSI Level 7, 6 and 5 protocol will be ...
-3
votes
1answer
65 views

Transfer a TCP connection from one Linux box to another behind NAT? [closed]

While experiencing an extremely slow download rate on one of my HTTP connections, I thought it'd be nice if I could just transfer the connection from my PC to an energy-saving home server that shares ...
10
votes
6answers
231 views

TCP acceleration over satellite or high latency networks

What viable companies, products or options are out there today for TCP Acceleration over satellite or high latency IP networks? The average satellite RTT is upwards from 600ms (depends on the ...
1
vote
1answer
70 views

UDP Message Length Field and Pseudo Header

I'm learning some tcp/ip basics, and am having trouble understanding the Message Length field in UDP. In my book, it says that the Message Length represents the UDP header and data in octets, and ...
9
votes
4answers
242 views

How can I formulate the communication latency in TCP/IP?

I have difficulty in deriving a mathematical model/equation to estimate the round trip latency between two nodes communicating using TCP/IP. The nodes are exchanging data based on HTTP protocol. In ...
-7
votes
1answer
66 views

Help me to answer this hard question [closed]

Frames are used to transfer the generated TCP/UDP segments across the links. The performance of the networking technology can be directly measured at the link layer. Using the link layer knowledge ...
5
votes
2answers
134 views

Is TCP maximum segment size (MSS) “clamping” compatible with IPv6?

With IPv4, TCP MSS "clamping" (a network device editing the MSS value in a TCP header) can help when path maximum transmission unit discovery is not working. (e.g., when ICMP is being blocked ...