Hi. I'm a portuguese researcher and I have been studying TCP over Satellite. I would appreciate very much if you could give me all the information you can...
Claudia Garcia
cgarcia@...
Dec 5, 2000 5:51 pm
1021
Hi. I would appreciate if you could give me the e-mail address of the IPoS WG mailing list, so that I can subscribe. Thanks in advance, Cláudia Garcia. Hi. I...
I was asked to forward this announcement to folks on tcpsat and pilc, as there very well could be interested folks on these lists. allman ... Date: Fri, 20 Oct...
Mark Allman
mallman@...
Dec 6, 2000 1:09 am
1024
Hi, I'm an MS student and I'm going to define my MS thesis about TCP optimization over satellite links. I've read several articles about this matter esp. RFC...
Mohammad Reza Samandi
SAMANDI@...
Dec 9, 2000 4:25 pm
1025
Dear colleagues, Does anyone know a multiple entry/output satellite simulator for the uplink? The frequency is in IF band Thanks ABC...
bc azur
azurbc@...
Dec 14, 2000 11:48 am
1026
[My apologies if you receive this more than once] ====================================================== MATA'2001 Third International Workshop on Mobile...
Ahmed Karmouch
Karmouch@...
Dec 18, 2000 8:07 pm
1027
!!! OUR APOLOGIES FOR MULTIPLE COPIES !!! C A L L F O R P A R T I C I P A T I O N I E E E I N F O C O M 2 0 0 1 http://www.ieee-infocom.org/2001 ...
Andreas Pitsillides
andreas.pitsillides@...
Jan 8, 2001 11:11 am
1028
Can somebody shed some light on a few things pleas please? 1. People claim that TCP semantics is not violated if TCP acks are "spoofed", as long as the initial...
eric.verlind@...
Jan 8, 2001 3:56 pm
1029
... You're right, spoofing ACKs does violate TCP semantics. Some folks argue that if their intermediate node, that spoofs ACKs, also buffers data then you're...
Craig Partridge
craig@...
Jan 8, 2001 4:20 pm
1030
... ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ how is this different from what you say next ... i.e. how is your "remote system" different from any intermediate in the way...
Luigi Rizzo
luigi@...
Jan 8, 2001 11:17 pm
1031
... Hi Luigi: That's an astute point, thanks! The answer is that I view the probability of failure as part of the TCP semantics. That is, TCP says it provides...
Craig Partridge
craig@...
Jan 9, 2001 12:29 am
1032
What is a system? and what are "TCP end-to-end semantics"? Where are they defined? I think saying remote and intermediate "system" does more harm than good in...
Alhussein Abouzeid
hussein@...
Jan 9, 2001 5:09 am
1033
Hi, What you say is probably true. However I am puzzled about the consequences of the remark on "session". So the spoofer TCP I am talking to happily sends me...
eric.verlind@...
Jan 9, 2001 10:37 am
1034
Some quotation from RFC793: [page 2] "Some computer systems will be connected to networks via front-end computers which house the TCP and internet protocol...
Morten Schlaeger
morten@...
Jan 9, 2001 10:41 am
1035
I, the application, expect from you, TCP, the following: When my peer application has received all the data I sent in order and uncorrupted AND I have received...
Jacob Heitz
jheitz@...
Jan 9, 2001 4:45 pm
1036
All, Here is another way to look at whether "TCP-spoofing" causes violation of end-to-end TCP semantics. This is similar to Hussein's analysis. 1. In a purely,...
Anil Agarwal
agarwal@...
Jan 9, 2001 4:45 pm
1037
In message <200101091551.f09FplA12716@...>, Anil Agarwal wr ... Which may fail when spoofing is done. If the RTT between the sender and ...
Craig Partridge
craig@...
Jan 9, 2001 6:31 pm
1038
... What about any connection whose spoofed ACKs cause the sender's window to reuse offsets (i.e., roll-around), and then has a change in the path that causes...
Joe Touch
touch@...
Jan 9, 2001 6:41 pm
1039
... Modulo LINGER working correctly (which my experience suggests is an iffy proposition). ... I believe the strict application of the end-to-end principle is...
Mark Allman
mallman@...
Jan 9, 2001 6:51 pm
1040
... The E2E argument makes assertions about the differences between composing services (e.g., ACKs here) or not. The ultimate effect of that would be...
Joe Touch
touch@...
Jan 9, 2001 6:53 pm
1041
... Practically speaking, a FIN timeout takes 3.5 minutes, on most systems, with 11 retransmissions with backoff timeout values and a minimum timer value of...
Anil Agarwal
agarwal@...
Jan 9, 2001 7:57 pm
1042
... yes. Financial applications, wherein the transmission of information results in money being removed from an account. When your bank tells your ATM to spit...
Fred Baker
fred@...
Jan 9, 2001 9:32 pm
1043
... TCP's e2e semantics are described in RFC 793. With respect to the relationship to applications above TCP, it says: Much of this document is written in the...
Fred Baker
fred@...
Jan 9, 2001 9:32 pm
1044
By the way, I missed the initial message in this thread. What is proposed? Is it suggested that we move the acknowledge pointer (the sequence number of the...
Fred Baker
fred@...
Jan 9, 2001 11:02 pm
1045
... Nonsense. TCP can and should provide 100% guarantee of detecting a failed connection. What it cannot do is provide a 100% guarantee of a successful...
Jacob Heitz
jheitz@...
Jan 9, 2001 11:09 pm
1046
... I have a question: if by using the spoofer (or other type of PEPs that basically violate the e-t-e semantics) the performance is improved under certain...
Mingyan Liu
mingyan@...
Jan 9, 2001 11:43 pm
1047
... yes. Financial applications, wherein the transmission of information results in money being removed from an account. When your bank tells your ATM to spit...
George Michaelson
ggm@...
Jan 9, 2001 11:46 pm
1048
... this is what makes me wonder "what is the objective here"? If what we're trying to do is make the sender put additional data in flight, we don't have to...
Fred Baker
fred@...
Jan 10, 2001 12:22 am
1049
... In general, I would agree with that. Now tell me this: do you know that the spoofer is there? How do you evade it? The cases that come quickly to mind are...
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