On Dec 27, 2011, at 5:00 PM, Manish Yadav wrote: > Hi Michael, > > thanks for info, could you please do let me know in case of dtls how much > memory is allocated per connection? or any clue how do i Hi Manish,
I don't know. But you need a socket per peer and might use select() for multiplexing which might also introduce some limits. For the memory overhead I suggest that you do some measurements... Best regards Michael > calculate this? i want to define maximum number of concurrent connections > could be supported for any dtls server. > > thanks, > manish > > On Tue, Dec 27, 2011 at 12:31 AM, Michael Tuexen > <michael.tue...@lurchi.franken.de> wrote: > On Dec 26, 2011, at 7:09 PM, Manish Yadav wrote: > > > Hi all, > > > > i am building dtls server using OpenSSL v0.9.8r. i see following crash in > > openssl code: > Whenever you are using DTLS: Upgrade to the latest version OpenSSL 1.0.0. > > Please report if your problem persists with the latest version of OpenSSL. > See http://sctp.fh-muenster.de/dtls-patches.html for the patches which > will be included in the next revision. > > Best regards > Michael > > > > (gdb) bt > > #0 0x485b0297 in kill () from /lib/libc.so.7 > > #1 0x485b01f6 in raise () from /lib/libc.so.7 > > #2 0x485aedca in abort 28) from /lib/libc.so.7 > > #3 0x4852f9d5 in malloc () from /lib/libc.so.7 > > #4 0x4821ce1e in BN_clear_free () from /lib/libcrypto.so.6 > > #5 0x4821d4af in CRYPTO_malloc () from /lib/libcrypto.so.6 > > #6 0x4828f495 in ssl3_setup_buffers () from /usr/lib/libssl.so.6 > > #7 0x4828d5c5 in dtls1_read_bytes () from /usr/lib/libssl.so.6 > > #8 0x4828db82 in ssl3_renegotiate_check () from /usr/lib/libssl.so.6 > > #9 0x48282e28 in SSL_read () from /usr/lib/libssl.so.6 > > > > could you please let me know what could be reason for this? i am curious to > > understand how much memory ssl library allocates per connection/session, so > > that i could calculate maximum number of connection i could support using > > my server. > > > > thanks, > > manish > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > Development Mailing List openssl-dev@openssl.org > Automated List Manager majord...@openssl.org > ______________________________________________________________________ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
