Fast and compact object serialization in .NET


Question

I want to use object serialization to communicate over the network between a Mono server and Silverlight clients. It is pretty important that serialization is space efficient and pretty fast, as the server is going to host multiple real time games.

What technique should I use? The BinaryFormatter adds a lot of overhead to serialized classes (Version, culture, class name, property names, etc.) that is not required within this application.

What can I do to make this more space efficient?

2
57
9/6/2011 6:42:10 PM

Accepted Answer

You can use Protocol Buffers. I'm changing all my serialization code from BinaryFormatter with compression to Protocol Buffers and obtaining very good results. It's more efficient in both time and space.

There are two .NET implementations by Jon Skeet and Marc Gravell.

Update: Official .NET implementation can be found here.

68
1/17/2018 9:55:47 AM

Exper Answer

As the author, I would invite you to try protobuf-net; it ships with binaries for both Mono 2.0 and Silverlight 2.0, and is fast and efficient. If you have any problems whatsoever, just drop me an e-mail (see my Stack Overflow profile); support is free.

Jon's version (see the earlier accepted answer) is also very good, but IMO the protobuf-net version is more idiomatic for C# - Jon's would be ideal if you were talking C# to Java, so you could have a similar API at both ends.

28
8/4/2012 11:08:46 AM

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