Jeff Garzik [ARCHIVE] on Nostr: ð Original date posted:2014-02-26 ð Original message:Just pushed out a mempool ...
ð
Original date posted:2014-02-26
ð Original message:Just pushed out a mempool janitor change to
https://github.com/bitcoin/bitcoin/pull/3753 The goal was to create
a simple bolt-on change, and /not/ rewrite the mempool code.
I'll be running some metrics on what does and does not get into the
mempools of my public nodes for 48 hours, ending Friday ~midnight EST.
On Mon, Feb 24, 2014 at 11:41 PM, Peter Todd <pete at petertodd.org> wrote:
> So, just to be clear, we're adding, say, a memory limited mempool or
> something prior to release so this fee drop doesn't open up an obvious
> low-risk DDoS exploit.... right? As we all know, the network bandwidth
> DoS attack mitigation strategy relies on transactions we accept to
> mempools getting mined, and the clearance rate of the new low-fee
> transactions is going to be pretty small; we've already had problems in
> the past with mempool growth in periods of high demand. Equally it
> should be obvious to people how you can create large groups of low-fee
> transactions, and then cheaply double-spend them with higher fee
> transactions to suck up network bandwidth - just like I raised for the
> equally foolish double-spend propagation pull-req.
>
> Of course, there's also the problem that we're basically lying to people
> about whether or not Bitcoin is a good medium for microtransactions.
> It's not. Saying otherwise by releasing software that has known and
> obvious DoS attack vulnerabilities that didn't exist in the previous
> version is irresponsible on multiple levels.
>
> --
> 'peter'[:-1]@petertodd.org
> 0000000000000000b28e2818c4d8019fb71e33ec2d223f5e09394a89caccf4e2
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
--
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc. https://bitpay.com/
ð Original message:Just pushed out a mempool janitor change to
https://github.com/bitcoin/bitcoin/pull/3753 The goal was to create
a simple bolt-on change, and /not/ rewrite the mempool code.
I'll be running some metrics on what does and does not get into the
mempools of my public nodes for 48 hours, ending Friday ~midnight EST.
On Mon, Feb 24, 2014 at 11:41 PM, Peter Todd <pete at petertodd.org> wrote:
> So, just to be clear, we're adding, say, a memory limited mempool or
> something prior to release so this fee drop doesn't open up an obvious
> low-risk DDoS exploit.... right? As we all know, the network bandwidth
> DoS attack mitigation strategy relies on transactions we accept to
> mempools getting mined, and the clearance rate of the new low-fee
> transactions is going to be pretty small; we've already had problems in
> the past with mempool growth in periods of high demand. Equally it
> should be obvious to people how you can create large groups of low-fee
> transactions, and then cheaply double-spend them with higher fee
> transactions to suck up network bandwidth - just like I raised for the
> equally foolish double-spend propagation pull-req.
>
> Of course, there's also the problem that we're basically lying to people
> about whether or not Bitcoin is a good medium for microtransactions.
> It's not. Saying otherwise by releasing software that has known and
> obvious DoS attack vulnerabilities that didn't exist in the previous
> version is irresponsible on multiple levels.
>
> --
> 'peter'[:-1]@petertodd.org
> 0000000000000000b28e2818c4d8019fb71e33ec2d223f5e09394a89caccf4e2
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
--
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc. https://bitpay.com/