Is there any problem with network connectivity to Nasdaq or NYSE. Specifically
on Yipes.
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ephen Wilcox <[EMAIL PROTECTED]>
To: Philip Lavine <[EMAIL PROTECTED]>
Cc: nanog
Sent: Thursday, July 12, 2007 1:09:24 PM
Subject: Re: TCP congestion
Well, if its out of order its the same as if its lost or delayed, it needs to
see that missing segment before the window is full
As m
CTED]>
Cc: Philip Lavine <[EMAIL PROTECTED]>; nanog
Sent: Thursday, July 12, 2007 11:56:06 AM
Subject: Re: TCP congestion
On Jul 12, 2007, at 11:42 AM, Brian Knoll ((TTNET)) wrote:
> If the receiver is sending a DUP ACK, then the sender either never
> received the first ACK or it didn
Can someone explain how a TCP conversation could degenerate into congestion
avoidance on a long fat pipe if there is no packet/segment loss or out of order
segments?
Here is the situation:
WAN = 9 Mbps ATM connection between NY and LA (70 ms delay)
LAN = Gig Ethernet
Receiver: LA server = Win2
qwest had a core router outage in Burbank, it reloaded at 6 am PDT
- Original Message
From: Jeff Shultz <[EMAIL PROTECTED]>
To: Philip Lavine <[EMAIL PROTECTED]>; nanog@merit.edu
Sent: Thursday, June 14, 2007 6:28:56 AM
Subject: Re: issues with qwest
Philip Lavine wrote:
Is anybody having issues with qwest?
Pinpoint customers who are looking for what you sell.
http://searchmarketing.yahoo.com/
Any issues on the qwest backbone
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I have 2 data transmission scenarios:
1. Microsoft MSMQ data using TCP
2. "Streaming" market data stock quotes transmitted via a TCP sockets
Philip
- Original Message
From: William F. Maton Sotomayor <[EMAIL PROTECTED]>
To: Philip Lavine <[EMAIL PROTECTED]>
S
yed to the registry based on the some
of the aforementioned sites I have seen no improvement.
I guess I am looking for a product that as a wrapper can multiplex a single
socket connection.
Philip
- Original Message
From: Robert Boyle <[EMAIL PROTECTED]>
To: Philip Lavine <[EMAIL
To all,
I have an east coast and west coast data center connected with a DS3. I am
running into issues with streaming data via TCP and was wondering besides
hardware acceleration, is there any options at increasing throughput and
maximizing the bandwidth? How can I overcome the TCP stack limit
To all,
Probabaly the the latter; however here is the situation. I am advertising a rte
1.1.1.1 via BGP to the Internet via ISP_A via my location in NJ. At my other
location in CA where I am advertising another rte 2.2.2.2 via BGP to the
Internet via the same ISP_A. I am using the same AS for
Times have changed,
My experience has been recently that ISP's and ASP's have dramatically
malnourished their first level support staff which in turn has created a
resentful and lazy second teir. I am sick of the "It must be your
network/cabling/CPE" attitude that I am getting from some teir 1
Can someone tell me if I am out of luck. I am trying to get a 10x10 cage in New
Jersey (Jersey City area) but it seems everybody is at capacity. What happened?
I have decided to mux down a DS3 into T1's so that my
vendors and customers have redundant access to my
site.
Here is the situation:
Right now my customers/vendors ride the ILEC (I am in
Burbank)into my building. I have another carrier with
an OC3 running into my building so I wanted to take a
DS3
I am having problems with people connecting from the
East Coast to my AS 17021 via qwest AS 209 on the West
Coast. How do I troubleshoot this?
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I plan to design a hub and spoke WAN using ATM. The
data traversing the WAN is US equities market data.
Market data can be in two flavors multicast and TCP
client/server. Another facet of market data is it is
bursty in nature and is very sensitive to packet loss
and latency (like voice). What type
24.194.105
>AS path: 1273 ?
> > to 208.174.228.1 via ae0.0
>
>
>
> no evidence of the 3356_1273 or the 1239_1273 path.
> if i lose the
> direct 1273 path, then one of those paths would then
> be propogated as
&g
over the phone that I was using
with that AS.
Philip
--- Jon Lewis <[EMAIL PROTECTED]> wrote:
> On Fri, 8 Apr 2005, Philip Lavine wrote:
>
> > I am using AS prepending to favor one ISP over
> > another, in a BGP multihomed/multiISP scenario.
> Why
> > does the
To all,
I am using AS prepending to favor one ISP over
another, in a BGP multihomed/multiISP scenario. Why
does the ISP receiving the prepends fail to add my
network into their routing table? Is this a "feature"
of BGP, or have I gone too far with 3 prepend
statements.
Thx
Philip
I have recently been turned down by ARIN for an
address block. I currently have 4 /24's from ISP's and
would like IP independence. How do I convince ARIN to
give me a block -- /20 I guess? The form I filled out
does not make it easy.
Philip
__
D
27;t
> like TNS (to all TNS guys outthere, sorry). Hope
> this helps.
>
> AC
>
> On Tue, Sep 21, 2004 at 06:01:36AM -0700, Philip
> Lavine wrote:
> > I am assuming this means that I have a POP on the
> East
> > Coast. I am Burbank California, currently.
> >
3 or M13/M23 vs CBIT.
>
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Philip Lavine
> Sent: Monday, September 20, 2004 1:26 PM
> To: nanog
> Subject: Re: HSSI-adtran
>
>
> To all,
>
> I tried
Phone: 260-625-3273
>
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Philip Lavine
> Sent: Friday, September 17, 2004 2:38 PM
> To: [EMAIL PROTECTED]
> Subject: NYSE
>
&
To all,
I tried the attenuator and they failed to provide any
relief.
Philip
--- Alex Bligh <[EMAIL PROTECTED]> wrote:
>
>
>
> --On 20 September 2004 07:56 -0700 Philip Lavine
> <[EMAIL PROTECTED]>
> wrote:
>
> > I am having a problem witha DS3
I am having a problem witha DS3 that terminates into a
Adtran CSU (T3SU-300) and then into a 7200 with HSSI.
I can not ping with a data pattern and I
experience packet loss and errors when I pass TCP
traffic.
Adtran recommended an attenuator.
What is the issue here? Is the signalling incomp
Does anyone have experience in setting up a direct
connection with NYSE, specifically SIAC or SFTI?
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Does anyone know the best way to get a IPV6 address
block from ARIN. How can I assure that ARIN will honor
my request?
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Is inbound as-path filtering an efficient way of
preventing routes from entering your bgp table? How
come the filtered routes still show up in the bgp
table and not in the routing table? What is hit on the
CPU?
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Has anybody seen an interuption in service in Las
Vegas with Sprint or Savvis
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Has anybody seen any malicous traffic eminating from AS 9800? Specifically, MS-SQL worms.
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