Dear Jef, Thanks for your response. Win98 gave bad results as ppp did not allow mtu's above 576. Win95 works fine untill 400kbyte/s if winsock2 is used, but...
Looks like I forgot to send out the agenda for TCPSAT. Here it is: TCP over Satellite (tcpsat) Wednesday, December 9 at 1300-1515 ...
adfalk@...
Dec 4, 1998 6:38 pm
513
OOPS! Wrong day! See below for correct day. --aaron ______________________________ Forward Header __________________________________ Subject: TCPSAT agenda ...
adfalk@...
Dec 4, 1998 9:17 pm
514
I am forwarding the following message to the tcpsat group, which some of you may have already seen but others may not have seen, from the ietf-announce mailing...
Raj Jain
jain@...
Dec 5, 1998 9:16 am
515
Dear TCPSAT members, I studied issues regarding TCP over Satellite. Of course TCP performance is (also) influenced by performance of the protocols used in the...
Smirren, D. van
D.vanSmirren@...
Dec 14, 1998 11:17 am
516
In a message dated 12/14/98 6:19:43 AM Eastern Standard Time, ... Optimal performance can be achieved with SDLC, best if there communications path consists of...
Telford001@...
Dec 14, 1998 2:32 pm
517
CALL FOR PAPERS Satellite Communications Architectures and Networks At ICC'99 - Vancouver Thursday, 10 June - Full Day Workshop The objective of this workshop...
Marie-Jose Montpetit
marie@...
Dec 14, 1998 6:14 pm
518
Dear TCPSAT members- I am involved in a startup that is a reseller of HNS satellite products. We currently resell the Hughes Network Systems PES 5000 (with...
Uplinx
uplinxplus@...
Dec 16, 1998 9:45 pm
519
I'm familiar with Menstat from a distance. I was intrigued by the promise of the XTP protocol, and encourage Goddard Space Flight Center to investigate/test...
Clayton Sigman
csigman@...
Dec 18, 1998 10:01 pm
520
I was conducting SkyX (Mentat) tests at NASA Goddard. Our test configuration is over emulated "GEO-satellite" links and the results are showing a throughput...
Marian Stagarescu
marian@...
Dec 18, 1998 11:36 pm
521
... (RTT=540 msec, ... Why do you only get 72% of theoretical results for error-free links? Are you considering SONET and ATM overhead? Theory should be...
William D Ivancic
William.D.Ivancic@...
Dec 21, 1998 1:49 pm
522
The 72% is taking in consideration SONET & ATM overhead. According to my calculations the theoretical rate should be 134.513 Mbps available at application...
Marian Stagarescu
marian@...
Dec 21, 1998 4:33 pm
523
In message <2.2.32.19981229164912.006fe67c@...>, Chris Metz writ ... Hi Chris: Unfortunately the answer is "it depends." Basically you're...
Craig Partridge
craig@...
Dec 29, 1998 6:01 pm
524
Hi- I am studying TCP over Satellite considerations and have reviewed draft-ietf-tcpsat-stand-mech-06.txt. I live in a "bits per second" world in terms of...
Chris Metz
chmetz@...
Dec 29, 1998 6:01 pm
525
... Hi Chris, how are you doing? I hope everything is going well. Concerning the Satellite application, unfortunately, you can't specify a velocity in the...
Andreas Voigt
Andreas.Voigt@...
Dec 29, 1998 7:28 pm
526
Chris, Unfortunately, your sample table cannot be filled in. There is no fixed relationship between the "band" and the "bps". The different bands in ...
Fritz, David A.
David.Fritz@...
Dec 29, 1998 7:37 pm
527
Chris - As evidenced by the initial responses, often the simplest questions are the best. The bits per MHz, or the useful information rate on a satellite...
Schram, Chris
cschram@...
Dec 29, 1998 8:15 pm
528
Chris, The "GHZ" numbers you mention are shorthand for the allocated band pair (up/down) used by the satellite, and have no direct relationship to the...
Brooker, Ralph
Ralph.Brooker@...
Dec 29, 1998 8:46 pm
529
Chris, There probably is a good book but, I don't know one that would give you the answer quickly. For the real quick answer, you can use the response from...
Christopher M. Hudson
chris.hudson@...
Dec 29, 1998 9:02 pm
530
On Tuesday, December 29, 1998 10:49 AM, Chris Metz [SMTP:chmetz@...] ... conventional ... Chris- Your best bet is a good introductory text to digital...
Heidi E Anderson
handerson@...
Dec 29, 1998 8:32 pm
531
Hello Chris: I believe you are asking about how many bits per second (bit rate) one can achieve for a given bandwidth (channel width, not uplink or downlink ...
William A. Kissick
billk@...
Dec 29, 1998 8:41 pm
534
Dear Mr. tcpsat member. I'm a post-graduate student, I'm working on "Satellite Network Design and Optimization". So I'm asking for related links dealing with...
Fethi Filali
filali@...
Dec 30, 1998 10:41 am
535
Hi Chris, I saw you already got a lot of good reactions upon your question, including some definitions, and some book advices. I can give you a daily user...
Zwart, R.
R.Zwart@...
Dec 30, 1998 4:39 pm
536
... I'll try to answer this without teaching a complete course in RF communications, modulation and coding. The Uplink and Downlink GHz is the RF modulated...
William D Ivancic
William.D.Ivancic@...
Dec 30, 1998 4:40 pm
537
... You'll find some of this (more on the TCP side) at the tcpsat web page... http://tcpsat.lerc.nasa.gov/tcpsat/ allman...
Mark Allman
mallman@...
Jan 4, 1999 3:16 pm
538
Chris, The conversion between MHz/GHz and bps depends on the modulation scheme used for a specific RF channel. For example, the spectral efficiency is usually...
Ahmed, Masuma
masuma.ahmed@...
Jan 4, 1999 7:52 pm
539
TCPSAT Summary Report By: Jim Griner (jgriner@...) The TCP over Satellite group met on December 8th at 1PM. Aaron Falk, WG chair presented the WG...
adfalk@...
Jan 5, 1999 11:10 pm
540
Hello: I read RFC2085, but I cannot undersrtand how to protect againt replay. And I don't know how to get [ESP-DES-MD5]. Would anybody introduce to me some...
Byung-Cheol Shin
bcshin@...
Jan 9, 1999 2:06 pm
541
I have some ideas about improving the performance of TCP with SACK, but don't know if they are new and feasible ideas. I have read Matthew's paper on FACK and...
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