| Source Code (HTML)
| -
| -
| -
| X
| X,
Y
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
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| Recipes for creating VPN's
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
| X
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| Popularity (Court. freshmeat.net,
How Popularity is Calculated?)
| -
| -
| 0.23%
| 2.71%
| 3.71%
| 2.68%
| 2.68%
| 6.86%
| 1.55%
| 1.92%
| 2.26%
| 1.85%
| 1.9%
| 0.58%
| 0.4%
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| How Tunneling is Acheived?
| PPP + Pseudo Terminal (PTY).
| PPP + Pseudo Terminal (PTY).
| .. <--> IP <--> ipsec <--> Slave PTY <--> Master Pty <--> IP (modified IP stack) <--> ..
| cipecb
| PPP + Pseudo Terminal (PTY).
| Universal Tun/Tap driver.
| PPP + Pseudo Terminal (PTY).
| Universal Tun/Tap driver.
| Universal Tun/Tap driver.
| SLIP + Pseudo Terminal (PTY).
| Universal Tun/Tap driver.
| Universal Tun/Tap driver.
| PPP + Pseudo Terminal (PTY).
| Universal Tun/Tap driver.
| PPP + Pseudo Terminal (PTY).
|
| Security Protocol Suite Used
| SSH (v.2)
| SSL (v.3)
| IPsec
| Proprietary
| MS CHAP + MPPE (Proprietary)
| Proprietary
| Proprietary
| SSL
| SSL (v.3)
| Proprietary
| Proprietary
| None
| SSL
| Proprietary
| None
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| Authentication Method
| RSA, password +
| X.509 Certificates +
| RSA, Shared Secret +
| Shared secret +
| MS Chap v2
| Secret password
| Secret password
| Shared Secret, X.509 Certificates +
| X.509 certifcates
| Shared Secret
| RSA
| UserName, Password
| X.509 Certificates
| Password
| CHAP +
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| Cipher (to provide confidentiality)
| Blowfish-cbc +
| 3DES-cbc +
| Cannot specify
| blowfish +
| MPPE (Microsoft Proprietary)
| blowfish
| blowfish
| blowfish +
| Cannot Specify
| blowfish (Prop. Impl.)
| blowfish
| NONE
| Cannot Specify
| BF-SBC, DES-CBC(default)
| NONE
|
| HMAC (to provide data-integrity)
| md5 +
| sha +
| Cannot Specify
| NONE
| NONE
| NONE
| NONE
| md5 +
| Cannot Specify
| MD5 +
| Sha
| NONE
| Cannot Specify
| MD5-96
| NONE
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| Compression
| none, gzip
| NA
| Available
| NONE
| NONE
| zlib, lzo
| zlib, lzo
| lzo
| NONE
| Available, but buggy.
| zlib, lzo
| NONE
| NONE
| zlib
| NONE
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| Compression Level (default value)
| 6
| NA
| NA
| NA
| NA
| zlib:1
| zlib:1
| NA
| NA
| NA
| 0:No-Comp, 1-9: zlib, 10-11 lzo
| NA
| NA
| NA
| NONE
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| Support for QoS negotiations.
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| Inbuilt recovery mechanism
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| Recovery during peer crashes
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| Recovery during Physical link Failures
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| Overhead/packet assuming No compression (Bytes)
| 150 (X)
| 180 (X)
| 98 (X)
| 87 (X)
| 78, 82 (X)
| 101 (X)
| 115 (X)
| 111 (X)
| 155 (X)
| 120 (X)
| 97 (X)
| 261 (X)
| 125 (X)
| 97 (X)
| 80 (X)
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| Avg. Overhead/packet assuming full compression (Bytes)
| 70 (X)
| 65 (X)
| 38 (X)
| 87 (X)
| -17.5, 79 (X)
| 9B (X)
| 17 (X
| 111 (X)
| (NA)
| 120 (X)
| 39 (X)
| 261 (X)
| 27 (X)
| 36 (X)
| -15 (X)
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| TCP Bandwith (Mbps)
| 6.87
| 6.83
| 6.71
| 6.97
| 6.95
| 6.76
| 7.19
| 6.02
| 6.04
| 6.32
| 3.6
| 3.57
| 6.87
| 6.15
| 8.825
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| RTT(ms)
| 4.6
| 2.26
| 1.08
| 9.6
| 1.12
| 0.93
| 1.306
| 2.124
| 1.9
| 8.12
| 1.98
| 77.32
| 0.55
| 4.38
| 0.61
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| Jitter(ms)
| 0.219
| 0.084
| 0.29
| 2.55
| 0.75
| 0.44
| 0.34
| 0.11
| 0.49
| 3.42
| 1.14
| 14/92
| 0.01
| 0.193
| 0.016
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| Inbuilt Support for Routing (Y/N)
| N
| N
| N
| N
| N
| N
| N
| N
| N
| N
| Y
| N
| N
| N
| X
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| Tunneling Technique Used
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-HTTP
| IP-in-IP
| IP-in-IP
| IP-in-IP
| IP-in-IP
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| Cipher algorithms plug-ins?
| X
| X
| -
| X
| X
| X
| X
| X
| X
| X
| X
| N/A
| X
| X
| N/A
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| Message Digest Algorithms plugins?
| X
| X
| -
| X
| X
| X
| X
| X
| X
| X
| X
| N/A
| X
| X
| N/A
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| Compression algorithms plugins?
| X
| X
| -
| X
| X
| X
| X
| X
| X
| X
| X
| N/A
| X
| X
| N/A
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| Scalability
| Highly unscalable (X)
| Highly unscalable (X)
| -
| ?
| ?
| X
| X
| X
| (X)
| (X)
| (X)
| (X)
| (X)
| (?)
| (?)
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| OpenSource (Y/N)
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
| Y
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| Internet Standard (Y/N)
| Y
| N
| Y
| N
| Y
| N
| N
| N
| N
| N
| N
| N
| N
| N
| Y
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| Linked back to my Site
| -
| -
| -
| -
| X
| -
| -
| X
| X
| -
| -
| X
| -
| -
| -
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| # of tunnels that need to be manually set up between N nodes.
| N(N-1)/2
| N(N-1)/2
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| N(N-1)/2
| Simplest is start network, with poptop server at the center node, and pptp client on the leaves. Hence
(N-1) tunnels will need to be configured. Somehow the center node will have to be maintain routing table to route to all
other nodes.
| Simplest is star network.
| Simplest is Star network
| N(N-1)/2
| N(N-1)/2
| N(N-1)/2
| Best
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