[ENet-discuss] Enet Header size
Lee Salzman
lsalzman1 at cox.net
Wed Jan 7 22:29:59 PST 2009
This all depends on what is acceptable latency for you and how often you
are sending packets. Packets are sent out when you call
enet_host_service(), so schedule this according to your needs.
Lee
Peter Soxberger wrote:
> In what periods should enet_host_service() be called? I'm using a thread and alwas wait 2 milliseconds until I call enet_host_service(). Should I wait longer? What are your typical periods?
>
> Greets,
> Peter Soxberger
>
> -------- Original-Nachricht --------
>
>> Datum: Wed, 07 Jan 2009 20:11:06 -0800
>> Von: Lee Salzman <lsalzman1 at cox.net>
>> An: Discussion of the ENet library <enet-discuss at cubik.org>
>> Betreff: Re: [ENet-discuss] Enet Header size
>>
>
>
>> It collects packets in between calls to enet_host_service(), yes.
>>
>> Lee
>>
>> Peter Soxberger wrote:
>>
>>> Ok does this mean that ENet collects the small packets and send it as
>>>
>> one big packet for saving overhead?
>>
>>> I worried that this isn't implented because I use a lot of packets with
>>>
>> small data in them and this would produce a lot of unnecessary overhead.
>>
>>> -------- Original-Nachricht --------
>>>
>>>
>>>> Datum: Wed, 07 Jan 2009 19:18:15 -0800
>>>> Von: Lee Salzman <lsalzman1 at cox.net>
>>>> An: Discussion of the ENet library <enet-discuss at cubik.org>
>>>> Betreff: Re: [ENet-discuss] Enet Header size
>>>>
>>>>
>>>
>>>
>>>> The size of a header for an individual user packet WITHIN a protocol
>>>> packet is about 6-8 bytes. Each protocol packet (which groups as many
>>>> user packets as it can up to the MTU) has a header size of 8 bytes.
>>>>
>>>> Lee
>>>>
>>>> Peter Soxberger wrote:
>>>>
>>>>
>>>>> Hi!
>>>>>
>>>>> I'm currently improving my code that calculates the actual
>>>>>
>> transferrate.
>>
>>>>>
>>>>>
>>>> Does anybody of you know, how much overhead I produce if I send a
>>>>
>> single
>>
>>>> packet? I know that there is the UDP Header which is 8 Byte big. But
>>>>
>> how
>>
>>>> much is used by ENet?
>>>>
>>>>
>>>>> If I calculate the real size of a packet, is this correct:
>>>>>
>>>>> [UDP Header]+[ENet Headers]+[packet->dataLength] = Packet Size
>>>>>
>>>>> Thanks for your help!
>>>>>
>>>>>
>>>>>
>>>> _______________________________________________
>>>> ENet-discuss mailing list
>>>> ENet-discuss at cubik.org
>>>> http://lists.cubik.org/mailman/listinfo/enet-discuss
>>>>
>>>>
>>>
>>>
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>
>
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