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 <p...@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@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/ ------------------------------------------------------------------------------ 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@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development